{"id":1388,"date":"2025-10-01T10:47:11","date_gmt":"2025-10-01T10:47:11","guid":{"rendered":"https:\/\/detektia.com\/en\/?p=1388"},"modified":"2025-10-01T11:42:11","modified_gmt":"2025-10-01T11:42:11","slug":"opera-disp","status":"publish","type":"post","link":"https:\/\/detektia.com\/en\/opera-disp\/","title":{"rendered":"OPERA DISP: continental-Scale Deformations"},"content":{"rendered":"\n<p>Through various programs, NASA develops projects aimed at transforming satellite observations into practical information for land management, natural resources, and infrastructure. In this post, we will focus on <strong>OPERA (Observational Products for End-Users from Remote Sensing Analysis)<\/strong>, an initiative that produces ready-to-analyze data from optical and radar imagery.<\/p>\n\n\n\n<p>Throughout the article, we will explore the <strong>scope of this project<\/strong>, the <strong>key actors involved<\/strong> in its development, and<strong> how its products can be applied across different fields<\/strong>, highlighting those most relevant to <strong>civil engineering and geotechnics<\/strong>.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#What_is_OPERA_DISP\" >What is OPERA DISP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#What_are_the_main_OPERA_products\" >What are the main OPERA products?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#DSWx_Dynamic_Surface_Water_Extent\" >DSWx: Dynamic Surface Water Extent<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#DIST_Surface_Change_Detection\" >DIST: Surface Change Detection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#DISP_Surface_Displacement\" >DISP: Surface Displacement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#All_about_OPERAs_DISP_Product\" >All about OPERA\u2019s DISP Product<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#DISP_Satellites_and_Input_Data\" >DISP Satellites and Input Data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Geographical_coverage\" >Geographical coverage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Spatial_resolution\" >Spatial resolution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Update_frequency\" >Update frequency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Algorithm_and_methodology_used\" >Algorithm and methodology used<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#How_to_get_the_most_out_of_it\" >How to get the most out of it<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Temporal_availability\" >Temporal availability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#Data_access_how_to_download_DISP_data\" >Data access: how to download DISP data<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#References_and_further_reading\" >References and further reading<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_OPERA_DISP\"><\/span>What is OPERA DISP?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>OPERA (Observational Products for End-Users from Remote Sensing Analysis) is a <strong>NASA project<\/strong> led by the <strong>Jet Propulsion Laboratory (JPL)<\/strong> that began in April 2021.<\/p>\n\n\n\n<p>Its main goal is to produce <strong>analysis-ready data products from optical and radar satellite observations<\/strong>, addressing the needs of U.S. government agencies as identified by the <strong>NASA Satellite Needs Working Group (SNWG)<\/strong>.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>NASA's OPERA produces ready-to-analyze data products from both optical and radar satellite imagery, supporting government agencies and collaborating with research centers and universities.<\/p><\/div>\n\n\n\n<p>The project is managed by JPL (Caltech) in collaboration with other NASA centers, such as the Goddard Space Flight Center, the U.S. Geological Survey (USGS), and universities. For example, the University of Maryland (Matt Hansen\u2019s GLAD lab) contributed to the development of change-detection algorithms, while USGS scientists provided expertise in surface water detection.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"394\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-product-1024x394.jpg\" alt=\"OPERA DISP Product: Satellite Displacement Data for Ground Deformation Studies\" class=\"wp-image-1391\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-product-1024x394.jpg 1024w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-product-300x115.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-product-768x295.jpg 768w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-product.jpg 1300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">OPERA DISP provides harmonized displacement products derived from satellite radar data, supporting geoscience and engineering applications. More information: <a href=\"https:\/\/www.earthdata.nasa.gov\/about\/nasa-support-snwg\/solutions\/opera-north-america-disp-product\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.earthdata.nasa.gov\/about\/nasa-support-snwg\/solutions\/opera-north-america-disp-product<\/a>.<\/figcaption><\/figure><\/div>\n\n\n<br>\n\n\n\n<p>OPERA was created to provide <strong>remote sensing\u2013derived products<\/strong> that support <strong>environmental monitoring<\/strong> and <strong>disaster response<\/strong>. In particular, <strong>three main types of Level-3 (final derivative) products<\/strong> have been identified, focused on:<\/p>\n\n\n\n<ol class=\"wp-block-list detektia-ordered-list\">\n<li><strong>Dynamic Surface Water Extent<\/strong>: Mapping surface water almost in real time (30\u202fm resolution) by combining optical and radar imagery, supporting water management, emergency response, and environmental studies.<\/li>\n\n\n\n<li><strong>Surface Change Detection:<\/strong> Detects abrupt changes on the Earth\u2019s surface (deforestation, wildfires, droughts, landslides) with 30\u202fm resolution and near real-time alerts at a global scale.<\/li>\n\n\n\n<li><strong>Surface Displacement or Movement:<\/strong> Monitors surface displacements and deformations.<\/li>\n<\/ol>\n\n\n\n<p>These products integrate data from <a href=\"https:\/\/detektia.com\/en\/sar-synthetic-aperture-radar\/\" target=\"_blank\" rel=\"noreferrer noopener\">synthetic aperture radar (SAR)<\/a> and optical satellites to provide actionable information for end users, such as in <strong>water resource management<\/strong>, <strong>ecosystem change monitoring<\/strong>, and <strong>geological hazard control<\/strong> (subsidence, earthquakes, landslides).<\/p>\n\n\n\n<p><strong>Two of OPERA\u2019s products<\/strong> have <strong>near-global coverage<\/strong>, spanning almost all continents <strong>except Antarctica<\/strong>.<\/p>\n\n\n\n<p>The <strong>third product<\/strong>, focused on <strong>ground deformation<\/strong>, <strong>covers North America<\/strong>, defined as the <strong>United States<\/strong> (including U.S. territories), <strong>Canada up to ~200\u202fkm from the U.S. border<\/strong>, <strong>Mexico<\/strong>, and the <strong>other continental countries down to Panama<\/strong>.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>OPERA products combine optical and radar data to provide information on water resources, ecosystems, and geological hazards, with near-global or continental coverage depending on the product. OPERA delivers data at continental and global scales to support a wide range of large-scale applications.<\/p><\/div>\n\n\n\n<p>Below, we briefly <strong>describe these three OPERA products<\/strong> and their <strong>main features<\/strong>. Once the three products are outlined, we will focus in detail on the one most relevant to Detektia: the ground displacement product, known as DISP within the OPERA project.<\/p>\n\n\n\n<br>\n\n\n<div id='newsletter-detektia'><p>Not yet subscribed to the 'Innovating with InSAR' newsletter?<\/p><p>Every Thursday, I share relevant industry information completely free of charge. I\u2019m not a fan of spam either\u2014if you leave your email, I promise to send you only content that will be genuinely interesting to you.<\/p><form action=\"https:\/\/detektia.ipzmarketing.com\/f\/WYCxBS0OvfI\" accept-charset=\"UTF-8\" method=\"post\"><input type=\"text\" name=\"anotheremail\" id=\"anotheremail\" style=\"position: absolute; left: -5000px\" tabindex=\"-1\" autocomplete=\"new-password\" \/><div class=\"signup-form-content\"><div><div style=\"float: left; width: 75%;\"><div><input placeholder=\"E-mail address\" type=\"email\" name=\"subscriber[email]\" id=\"subscriber_email\" style=\"width: 100%; margin-bottom: 0px; background-color: white;\" required\/><\/div><\/div><div style=\"float: left; width: 22%; margin-left: 3%;\"><input type=\"submit\" name=\"commit\" value=\"Send\" class=\"btn btn-primary\" data-disable-with=\"Loading\" style=\"margin-top: 0px; width: 100%;\" \/><\/div><div style=\"clear: both;\"><\/div><\/div><div class=\"recaptcha\"><script src=\"https:\/\/www.recaptcha.net\/recaptcha\/api.js\" async defer ><\/script><div data-sitekey=\"6LfxSlQUAAAAAE2wMx0128AjWWFXJoBkiNQn2m8m\" class=\"g-recaptcha \"><\/div><noscript><div><div style=\"width:302px;height:422px;position:relative\"><div style=\"width:302px;height:422px;position:absolute\"><iframe src=\"https:\/\/www.recaptcha.net\/recaptcha\/api\/fallback?k=6LfxSlQUAAAAAE2wMx0128AjWWFXJoBkiNQn2m8m\" name=\"ReCAPTCHA\" style=\"width:302px;height:422px;border-style:none;border:0;overflow:hidden\"><\/iframe><\/div><\/div><div style=\"width:300px;height:60px;border-style:none;bottom:12px;left:25px;margin:0;padding:0;right:25px;background:#f9f9f9;border:1px solid #c1c1c1;border-radius:3px\"><textarea name=\"g-recaptcha-response\" class=\"g-recaptcha-response\" style=\"width:250px;height:40px;border:1px solid #c1c1c1;margin:10px 25px;padding:0;resize:none\">\n                <\/textarea><\/div><\/div><\/noscript><\/div><div style=\"width: 100%; margin-top: 20px;\"><div><div class=\"checkbox\"><input value=\"0\" autocomplete=\"off\" type=\"hidden\" name=\"subscriber[subscribed_with_acceptance]\" \/><label class=\"boolean required\" for=\"subscriber_subscribed_with_acceptance\"><input class=\"boolean required\" required=\"required\" aria-required=\"true\" type=\"checkbox\" value=\"1\" name=\"subscriber[subscribed_with_acceptance]\" id=\"subscriber_subscribed_with_acceptance\" \/> I Agree to <a href=\"https:\/\/detektia.com\/en\/privacy-policy\/\" target=\"_blank\">Privacy Policy<\/a>.<\/label><\/div><\/div><\/div><\/div><\/form><\/div>\n\n\n\n<br>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_main_OPERA_products\"><\/span>What are the main OPERA products?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>OPERA\u2019s Level-3 products are derived, ready-to-use data for end users, generated from combinations of optical and SAR satellite data. As mentioned, there are currently three main product suites:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DSWx_Dynamic_Surface_Water_Extent\"><\/span>DSWx: Dynamic Surface Water Extent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>OPERA\u2019s <strong>DSWx (Dynamic Surface Water Extent)<\/strong> product enables frequent <strong>mapping of surface water<\/strong> (lakes, rivers, wetlands, and floods) at 30 m resolution, providing <strong>near real-time data for water resource management<\/strong>, <strong>emergency response<\/strong>, and <strong>environmental studies<\/strong>.<\/p>\n\n\n\n<p>It draws on both optical imagery (Landsat 8\/9 and Sentinel\u20112 via the Harmonized Landsat and Sentinel\u20112 product) and SAR data (Sentinel\u20111 and, soon, NISAR), ensuring near-global coverage even in areas with persistent cloud cover.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DSWx.jpg\" alt=\"DSWx Product: Mapping Dynamic Surface Water Extent with NASA Data\" class=\"wp-image-1393\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DSWx.jpg 600w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DSWx-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Map generated by the DSWx product showing dynamic surface water extent. Source: NASA.<\/figcaption><\/figure><\/div>\n\n\n<p>Each pixel is updated on average every 2\u20134 days, reaching an almost daily cadence in many regions.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DSWx monitors lakes, rivers, wetlands, and floods almost in real time with 30-meter resolution, combining optical and radar data to provide global coverage and frequent updates.<\/p><\/div>\n\n\n\n<p>The algorithm combines spectral indices and radar techniques to distinguish water from soil and vegetation, also incorporating auxiliary layers such as probability, clouds, and DEM.<\/p>\n\n\n\n<p>DSWx was launched in 2023 in its optical version and will be expanded with radar data in the coming months.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DIST_Surface_Change_Detection\"><\/span>DIST: Surface Change Detection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The <strong>DIST <\/strong>product from OPERA <strong>detects alterations and changes on the Earth\u2019s surface<\/strong>, primarily <strong>vegetation loss<\/strong> or other abrupt deviations from the norm, generating <strong>near real-time alerts on a global scale<\/strong>.<\/p>\n\n\n\n<p>It is based on the Harmonized Landsat and Sentinel\u20112 optical time series with 30 m resolution and updates every 2\u20134 days, enabling the identification of deforestation, wildfires, agricultural or urban expansion, droughts, landslides, and pest outbreaks.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"725\" height=\"547\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DIST.jpg\" alt=\"DIST Product: Surface Change Detection\" class=\"wp-image-1394\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DIST.jpg 725w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-nasa-DIST-300x226.jpg 300w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><figcaption class=\"wp-element-caption\">Map generated by the DIST product highlighting abrupt surface changes and disturbances. Source: NASA.<\/figcaption><\/figure><\/div>\n\n\n<p>The <strong>DIST\u2011ALERT system compares each new image<\/strong> with a <strong>three-year baseline to distinguish real changes<\/strong> from seasonal variations and can <strong>update an alert within just six hours<\/strong> of receiving a new scene.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DIST detects abrupt changes on the Earth's surface almost in real time, from deforestation and wildfires to droughts and landslides, with 30-meter resolution and global coverage, supporting environmental management and early warning systems.<\/p><\/div>\n\n\n\n<p>Additionally, an annual product, <strong>DIST\u2011ANN<\/strong>, <strong>consolidates all confirmed disturbances over the year<\/strong>. Its coverage is near-global (except Antarctica), and it has already been integrated into platforms such as Global Forest Watch, facilitating environmental monitoring and risk management across diverse ecosystems.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DISP_Surface_Displacement\"><\/span>DISP: Surface Displacement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Finally, the surface <strong>displacement and deformation<\/strong> product, known as <strong>DISP <\/strong>within the OPERA project, has inspired this blog post.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/disp-surface-displacement-1024x576.jpg\" alt=\"OPERA DISP Product Suite: Comprehensive Satellite Data for Ground Deformation Analysis\" class=\"wp-image-1395\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/disp-surface-displacement-1024x576.jpg 1024w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/disp-surface-displacement-300x169.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/disp-surface-displacement-768x432.jpg 768w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/disp-surface-displacement.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The OPERA DISP Product Suite combines multiple satellite-based products, providing a complete solution for monitoring ground movements and surface changes. More information: <a href=\"https:\/\/www.jpl.nasa.gov\/go\/opera\/products\/disp-product-suite\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.jpl.nasa.gov\/go\/opera\/products\/disp-product-suite\/<\/a>.<\/figcaption><\/figure><\/div>\n\n\n<p>Due to its importance and impact on sectors such as civil engineering, <strong>we will analyze it in depth in the following section<\/strong>.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP monitors surface displacements and deformations, providing crucial information for civil engineering and infrastructure management. We explore it in more detail below.<\/p><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"All_about_OPERAs_DISP_Product\"><\/span>All about OPERA\u2019s DISP Product<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>DISP provides <strong>ground deformation data at a continental scale<\/strong>.<\/p>\n\n\n\n<p>It is a product comparable to the <a href=\"https:\/\/detektia.com\/en\/egms-european-ground-motion-service\/\" target=\"_blank\" rel=\"noreferrer noopener\">European Ground Motion Service (EGMS)<\/a> in terms of impact, extent, and coverage, and even surpasses EGMS in aspects such as update frequency.<\/p>\n\n\n\n<p>The DISP product delivers information on the <strong>evolution of ground surface deformation<\/strong> using radar interferometry (<a href=\"https:\/\/detektia.com\/en\/insar\/\" target=\"_blank\" rel=\"noreferrer noopener\">InSAR<\/a>) over time.<\/p>\n\n\n\n<p>It is initially focused on the North American region (as defined, including the U.S., southern Canada, and Central America down to Panama), thus providing continental-scale ground deformation measurements.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP measures ground deformations at a continental scale in North America, detecting subtle or abrupt movements caused by natural or human factors, with high resolution and regular updates.<\/p><\/div>\n\n\n\n<p>The goal is to <strong>detect <\/strong>and <strong>quantify subtle or abrupt ground movements<\/strong> caused by natural or human activities, such as subsidence from water or underground extraction, tectonic deformation associated with earthquakes or active faults, volcanic uplift or subsidence, landslides, and even deformation from infrastructure loads or mining activities.<\/p>\n\n\n\n<p>In short, this product provides an <strong>integrated view of changes in ground elevation<\/strong> with <strong>high spatial resolution<\/strong> and <strong>regular updates<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:25px\">Detektia is a tech company specializing in InSAR satellite technology, offering solutions to identify and quantify ground subsidence. We can help you monitor:<\/p>\n\n\n<div id=\"detektia-cta-services\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-2154\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-dams.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-dams.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-dams-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-dams-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/dams\/\" target=\"_blank\" rel=\"noreferrer noopener\">dams<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-2155\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-ports.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-ports.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-ports-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-ports-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-base-3-color has-text-color has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/ports\/\" target=\"_blank\" rel=\"noreferrer noopener\">ports<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-2156\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-embankments.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-embankments.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-embankments-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-embankments-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-base-3-color has-text-color has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/embankments\/\" target=\"_blank\" rel=\"noreferrer noopener\">embankments<\/a><\/p><\/div><\/div><\/div><\/div><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-2157\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-tunnels.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-tunnels.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-tunnels-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-tunnels-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/tunnels\/\" target=\"_blank\" rel=\"noreferrer noopener\">tunnels<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#baa276\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-3069\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-aquifers.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-aquifers.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-aquifers-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-aquifers-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/insar-ground-movement-monitoring\/aquifers\/\" target=\"_blank\" rel=\"noreferrer noopener\">groundwater dynamics<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#665c4e\"><\/span><img decoding=\"async\" width=\"400\" height=\"400\" class=\"wp-block-cover__image-background wp-image-3070\" alt=\"\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-landslides.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-landslides.jpg 400w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-landslides-300x300.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/eyeradar-landslides-150x150.jpg 150w\" sizes=\"(max-width: 400px) 100vw, 400px\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><p class=\"has-text-align-center has-large-font-size\"><a href=\"https:\/\/detektia.com\/en\/insar-ground-movement-monitoring\/landslides\/\" target=\"_blank\" rel=\"noreferrer noopener\">landslides<\/a><\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DISP_Satellites_and_Input_Data\"><\/span>DISP Satellites and Input Data<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>To generate DISP, OPERA uses <strong>InSAR data from Sentinel\u20111<\/strong> radar (Sentinel\u20111A and 1B satellites) and will <strong>incorporate NISAR data in the future<\/strong>.<\/p>\n\n\n\n<p>Sentinel\u20111 provides C-band (~5.4\u202fGHz) SAR imagery in Interferometric Wide swath (IW) mode with a 6-day revisit (with both satellites, before the loss of S1B in 2021) or 12-day revisit (currently with only S1A active).<\/p>\n\n\n\n<p>OPERA uses <strong>coregistered Sentinel\u20111 SLC (Single Look Complex) products<\/strong> (see Level\u20112 section below) as the main input. In other words, the complex radar images, already aligned to a common grid, are processed in a time series to extract the interferometric phase corresponding to ground displacements.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP is generated from InSAR data from Sentinel-1 and, soon, NISAR, processing radar time series to measure ground displacements with high precision and improved coverage.<\/p><\/div>\n\n\n\n<p><strong>NISAR <\/strong>(which will operate in L-band, ~1.2\u202fGHz) will <strong>complement <\/strong>the time series starting<strong> in 2025<\/strong>, <strong>improving coherence in vegetated areas<\/strong> and potentially <strong>expanding the temporal and spatial coverage<\/strong> of the products (possibly beyond North America, if resources allow).<\/p>\n\n\n\n<p>Displacement products derived specifically from Sentinel\u20111 are labeled DISP\u2011S1, while future products including NISAR data will be designated DISP\u2011NI.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Geographical_coverage\"><\/span>Geographical coverage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The coverage of this product is broadly defined as North America: it includes the entire territory of the <strong>United States<\/strong> (continental and insular territories), <strong>Canada <\/strong>(areas <strong>up to 200\u202fkm from the U.S. border<\/strong>), <strong>Mexico<\/strong>, and <strong>Central America down to Panama<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/sentinel1-opera-disp-1024x576.jpg\" alt=\"Sentinel-1 Satellite: Radar Observation for Ground Deformation Monitoring\" class=\"wp-image-1396\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/sentinel1-opera-disp-1024x576.jpg 1024w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/sentinel1-opera-disp-300x169.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/sentinel1-opera-disp-768x432.jpg 768w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/sentinel1-opera-disp.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Sentinel-1 satellite in orbit, capturing radar data used in OPERA DISP products for monitoring ground deformation and surface changes.<\/figcaption><\/figure><\/div>\n\n\n<p>This area aligns with the priority requirements initially identified by U.S. agencies through the SNWG to monitor critical infrastructure, geological hazards, and resources within the country and surrounding region.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP covers North and Central America up to Panama, including the continental and insular U.S., Canada (~200 km from the border), Mexico, and Sentinel\u20111 tracks for infrastructure monitoring and geological hazard assessment.<\/p><\/div>\n\n\n\n<p>Within this region, displacement products are generated for all available Sentinel\u20111 tracks, including Alaska, Hawaii, Puerto Rico, and other U.S. territories.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spatial_resolution\"><\/span>Spatial resolution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The spatial resolution is <strong>30\u202fm<\/strong>. Although Sentinel\u20111\u2019s original Single Look Complex (SLC) images have a nominal resolution of approximately 10\u202fm (ranges around 5 \u00d7 20\u202fm before multilooking), the final OPERA displacement product is <strong>gridded at 30\u202fm in UTM coordinates<\/strong>.<\/p>\n\n\n\n<p>This approach reduces noise and data volume, and facilitates integration with other OPERA products that also use 30\u202fm resolution, such as DSWx and DIST.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP has a 30\u202fm resolution, optimized to reduce noise and facilitate integration with other OPERA products, with each pixel representing accumulated displacement or ground velocity.<\/p><\/div>\n\n\n\n<p>Essentially, <strong>each 30\u202fm pixe<\/strong>l in DISP contains the <strong>estimated cumulative displacement (or velocity)<\/strong> for that area. Even at 30\u202fm resolution, localized deformations (e.g., subsidence over wells) can be detected as long as they span multiple pixels.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Update_frequency\"><\/span>Update frequency<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The update frequency matches Sentinel\u20111 overpasses, typically <strong>every 6 to 12 days<\/strong>, depending on whether the area is covered by a single track or two satellites.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-toolbox-asf-data-search-vertex-1024x576.jpg\" alt=\"ASF Vertex: Visualizing Sentinel-1 Data Coverage and Update Frequency\" class=\"wp-image-1397\" style=\"width:1024px;height:auto\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-toolbox-asf-data-search-vertex-1024x576.jpg 1024w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-toolbox-asf-data-search-vertex-300x169.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-toolbox-asf-data-search-vertex-768x432.jpg 768w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-toolbox-asf-data-search-vertex.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The ASF Vertex viewer allows users to explore Sentinel-1 data coverage and temporal update frequency for monitoring ground deformation.<\/figcaption><\/figure><\/div>\n\n\n<p>In regions with both ascending and descending coverage, there will be two different line-of-sight observations per cycle.<\/p>\n\n\n\n<p>OPERA generates a displacement product for each new significant acquisition in the time series. In other words, <strong>as a new SLC image becomes available<\/strong>, it is <strong>integrated into the temporal InSAR processing<\/strong>, producing an update.<\/p>\n\n\n\n<p>The historical time series dates back to mid\u20112016 (when Sentinel\u20111 achieved full coverage of the U.S.) and continues from there.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP is updated every 6\u201312 days depending on Sentinel\u20111 coverage, integrating each new image into the time series since 2016 to analyze both historical trends and recent events.<\/p><\/div>\n\n\n\n<p>In this way, OPERA plans to provide a set of displacement products from 2016 to the present, allowing users to analyze long-term trends as well as recent events shortly after they occur. Specifically, in DISP\u2011S1 version 1, the input data spans from July 2016 to 2025, and the collection will continue to expand with each new image (at a rate of 6\u201312 days per region).<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Algorithm_and_methodology_used\"><\/span>Algorithm and methodology used<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The DISP product is generated through <strong>advanced InSAR time-series <\/strong>analysis, using a hybrid approach that combines Persistent Scatterer <a href=\"https:\/\/detektia.com\/en\/insar\/ps-insar-ds-insar\/\" target=\"_blank\" rel=\"noreferrer noopener\">(PS) and Distributed Scatterer (DS) techniques<\/a>.<\/p>\n\n\n\n<p>The processing <strong>identifies both persistent scatterers<\/strong> (pixels with highly coherent backscatter over time, typically buildings, exposed rocks, etc.) and <strong>distributed scatterers<\/strong> (natural surfaces that maintain statistical coherence when averaging multiple pixels, e.g., soil or homogeneous vegetation) to <strong>extract deformation signals while minimizing noise<\/strong>.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP uses a hybrid InSAR analysis combining persistent and distributed scatterers, generating radar line-of-sight displacement time series with minimal interference and noise.<\/p><\/div>\n\n\n\n<p>The <strong>result <\/strong>for each track is a <strong>time series of displacements in the radar line-of-sight (LOS) direction<\/strong>. DISP products typically represent cumulative deformation or deformation velocity.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_get_the_most_out_of_it\"><\/span>How to get the most out of it<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The surface displacement product is especially <strong>valuable in civil engineering and geotechnics<\/strong>, as well as in <strong>geophysics <\/strong>and <strong>risk management<\/strong>.<\/p>\n\n\n\n<p>Thanks to this product, it is possible to <strong>identify areas of urban or agricultural subsidence<\/strong> (due to <a href=\"https:\/\/detektia.com\/en\/insar-ground-movement-monitoring\/aquifers\/\" target=\"_blank\" rel=\"noreferrer noopener\">groundwater extraction<\/a>, mining, or soil compaction) and <a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/\" target=\"_blank\" rel=\"noreferrer noopener\">monitor the stability of civil infrastructure<\/a> (roads, bridges, levees, <a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/dams\/\" target=\"_blank\" rel=\"noreferrer noopener\">dams<\/a>, <a href=\"https:\/\/detektia.com\/en\/structural-health-monitoring\/buildings\/\" target=\"_blank\" rel=\"noreferrer noopener\">buildings<\/a>) by detecting differential settlements.<\/p>\n\n\n\n<p>It also enables monitoring of coastal areas or deltas prone to subsidence, mapping deformation in seismic zones to understand active faults and quantify interseismic or coseismic deformation after an earthquake, tracking volcanic inflation\/deflation for early eruption warning, and <a href=\"https:\/\/detektia.com\/en\/insar-ground-movement-monitoring\/landslides\/\" target=\"_blank\" rel=\"noreferrer noopener\">detecting active or potential landslides<\/a> (precursory movements).<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP is essential in engineering, geotechnics, and risk management, enabling the monitoring of subsidence, infrastructure stability, seismic and volcanic activity, and landslide detection, supporting mitigation and planning decisions.<\/p><\/div>\n\n\n\n<p>Organizations such as the USGS, transportation departments, water management agencies, and civil protection authorities can <strong>integrate these data for decision-making and prioritization of mitigation measures<\/strong>.<\/p>\n\n\n\n<p>For example, DISP can help <strong>delineate basins<\/strong> where the <strong>ground is sinking<\/strong> several millimeters per year due to <strong>groundwater overexploitation<\/strong>, or detect areas of a city experiencing <a href=\"https:\/\/detektia.com\/en\/land-subsidence\/\" target=\"_blank\" rel=\"noreferrer noopener\">accelerated subsidence<\/a>, indicating <strong>risks to structures<\/strong>.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temporal_availability\"><\/span>Temporal availability<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The <strong>DISP\u2011S1<\/strong> product (Sentinel\u20111) <strong>is already available<\/strong> for users to access version 1 of the L3_DISP\u2011S1 product across much of the <strong>U.S.<\/strong>, all of <strong>Mexico<\/strong>, and <strong>Central America<\/strong>.<\/p>\n\n\n\n<p>Once NISAR becomes operational (launch expected in 2025), the DISP\u2011NI product will be added to complement deformation detection, especially in densely vegetated areas thanks to its longer wavelength.<\/p>\n\n\n<div class=\"detektia-postcta\"><p>DISP\u2011S1 is already available for much of North and Central America, and in 2025 DISP\u2011NI will incorporate NISAR data to improve detection in vegetated areas and potentially expand geographic coverage.<\/p><\/div>\n\n\n\n<p>It is possible that the geographic coverage will be expanded in the future using NISAR (potentially to near-global coverage), but the initial focus is on North America due to the project\u2019s original requirements.<\/p>\n\n\n\n<br>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_access_how_to_download_DISP_data\"><\/span>Data access: how to download DISP data<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>DISP products are distributed through the <a href=\"https:\/\/asf.alaska.edu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Alaska Satellite Facility DAAC (ASF DAAC)<\/a>. This includes access via the <a href=\"https:\/\/search.asf.alaska.edu\/#\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASF Vertex search and download interface<\/a>, as well as through AWS S3 (ASF public bucket).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-data-search-download-toolbox-1024x576.jpg\" alt=\"ASF Vertex: Searching and Downloading OPERA DISP Products\" class=\"wp-image-1398\" srcset=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-data-search-download-toolbox-1024x576.jpg 1024w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-data-search-download-toolbox-300x169.jpg 300w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-data-search-download-toolbox-768x432.jpg 768w, https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/opera-disp-data-search-download-toolbox.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Screenshot of ASF Vertex showing the search and download interface for OPERA DISP products.<\/figcaption><\/figure><\/div>\n\n\n<p>It is also possible to download all OPERA data using the <a href=\"https:\/\/search.earthdata.nasa.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\">NASA Earthdata Search web tool<\/a>, a general search engine for NASA Earth Science collections.<\/p>\n\n\n\n<p>The following video, shared on the <a href=\"https:\/\/www.youtube.com\/@NASAEarthdata\" target=\"_blank\" rel=\"noreferrer noopener\">@NASAEarthdata YouTube channel<\/a>, provides a step-by-step guide on how to use the ASF Vertex platform to search for and download OPERA DISP surface displacement data.<\/p>\n\n\n<div class=\"detektia-youtube\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/BLzEvT-mdkU?si=uTvZqgpOmuXd5WbR\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"References_and_further_reading\"><\/span>References and further reading<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li>OPERA-DISP ToolBox: <a href=\"https:\/\/displacement.asf.alaska.edu\/#\/?dispOverview=VEL\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/displacement.asf.alaska.edu\/#\/?dispOverview=VEL<\/a>.<\/li>\n\n\n\n<li>Observational Products for End-Users from Remote Sensing Analysis (OPERA): <a href=\"https:\/\/asf.alaska.edu\/datasets\/daac\/opera\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/asf.alaska.edu\/datasets\/daac\/opera\/<\/a>.<\/li>\n\n\n\n<li>OPERA Surface Displacement from Sentinel-1 validated product (Version 1): <a href=\"https:\/\/registry.opendata.aws\/nasa-operal3disp-s1v1\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/registry.opendata.aws\/nasa-operal3disp-s1v1\/<\/a>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Through various programs, NASA develops projects aimed at transforming satellite observations into practical information for land management, natural resources, and infrastructure. In this post, we will focus on OPERA (Observational Products for End-Users from Remote Sensing Analysis), an initiative that produces ready-to-analyze data from optical and radar imagery. Throughout the article, we will explore the &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"OPERA DISP: continental-Scale Deformations\" class=\"read-more button\" href=\"https:\/\/detektia.com\/en\/opera-disp\/#more-1388\" aria-label=\"Read more about OPERA DISP: continental-Scale Deformations\">Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":1414,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-1388","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-detektia","8":"generate-columns","9":"tablet-grid-50","10":"mobile-grid-100","11":"grid-parent","12":"grid-50","13":"no-featured-image-padding"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 Discover OPERA DISP: Continental-Scale Deformations<\/title>\n<meta name=\"description\" content=\"Get an In-Depth Look at NASA\u2019s OPERA-DISP Project \u2714\ufe0f Ground Deformations \u2714\ufe0f Key in Civil Engineering, Geotechnics, and More\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/detektia.com\/en\/opera-disp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Discover OPERA DISP: Continental-Scale Deformations\" \/>\n<meta property=\"og:description\" content=\"Get an In-Depth Look at NASA\u2019s OPERA-DISP Project \u2714\ufe0f Ground Deformations \u2714\ufe0f Key in Civil Engineering, Geotechnics, and More\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/detektia.com\/en\/opera-disp\/\" \/>\n<meta property=\"og:site_name\" content=\"Detektia Earth Surface Monitoring\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-01T10:47:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T11:42:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Candela Sancho\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@detektia\" \/>\n<meta name=\"twitter:site\" content=\"@detektia\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Candela Sancho\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u25b7 Discover OPERA DISP: Continental-Scale Deformations","description":"Get an In-Depth Look at NASA\u2019s OPERA-DISP Project \u2714\ufe0f Ground Deformations \u2714\ufe0f Key in Civil Engineering, Geotechnics, and More\u2026","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/detektia.com\/en\/opera-disp\/","og_locale":"en_US","og_type":"article","og_title":"\u25b7 Discover OPERA DISP: Continental-Scale Deformations","og_description":"Get an In-Depth Look at NASA\u2019s OPERA-DISP Project \u2714\ufe0f Ground Deformations \u2714\ufe0f Key in Civil Engineering, Geotechnics, and More\u2026","og_url":"https:\/\/detektia.com\/en\/opera-disp\/","og_site_name":"Detektia Earth Surface Monitoring","article_published_time":"2025-10-01T10:47:11+00:00","article_modified_time":"2025-10-01T11:42:11+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg","type":"image\/jpeg"}],"author":"Candela Sancho","twitter_card":"summary_large_image","twitter_creator":"@detektia","twitter_site":"@detektia","twitter_misc":{"Written by":"Candela Sancho","Est. reading time":"13 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/detektia.com\/en\/opera-disp\/#article","isPartOf":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/"},"author":{"name":"Candela Sancho","@id":"https:\/\/detektia.com\/en\/#\/schema\/person\/9c2c9d7f3421ef85c0c0baceeee015cb"},"headline":"OPERA DISP: continental-Scale Deformations","datePublished":"2025-10-01T10:47:11+00:00","dateModified":"2025-10-01T11:42:11+00:00","mainEntityOfPage":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/"},"wordCount":2579,"commentCount":0,"publisher":{"@id":"https:\/\/detektia.com\/en\/#organization"},"image":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/#primaryimage"},"thumbnailUrl":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg","articleSection":["Detektia"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/detektia.com\/en\/opera-disp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/detektia.com\/en\/opera-disp\/","url":"https:\/\/detektia.com\/en\/opera-disp\/","name":"\u25b7 Discover OPERA DISP: Continental-Scale Deformations","isPartOf":{"@id":"https:\/\/detektia.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/#primaryimage"},"image":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/#primaryimage"},"thumbnailUrl":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg","datePublished":"2025-10-01T10:47:11+00:00","dateModified":"2025-10-01T11:42:11+00:00","description":"Get an In-Depth Look at NASA\u2019s OPERA-DISP Project \u2714\ufe0f Ground Deformations \u2714\ufe0f Key in Civil Engineering, Geotechnics, and More\u2026","breadcrumb":{"@id":"https:\/\/detektia.com\/en\/opera-disp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/detektia.com\/en\/opera-disp\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/detektia.com\/en\/opera-disp\/#primaryimage","url":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg","contentUrl":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/nasa-opera-disp.jpg","width":1200,"height":675,"caption":"OPERA DISP provides satellite-based deformation data to support monitoring of ground movements worldwide."},{"@type":"BreadcrumbList","@id":"https:\/\/detektia.com\/en\/opera-disp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/detektia.com\/en\/"},{"@type":"ListItem","position":2,"name":"OPERA DISP: continental-Scale Deformations"}]},{"@type":"WebSite","@id":"https:\/\/detektia.com\/en\/#website","url":"https:\/\/detektia.com\/en\/","name":"Detektia Earth Surface Monitoring","description":"Detektia","publisher":{"@id":"https:\/\/detektia.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/detektia.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/detektia.com\/en\/#organization","name":"Detektia Earth Surface SL","url":"https:\/\/detektia.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/detektia.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/2022\/09\/logo-detektia.png","contentUrl":"https:\/\/detektia.com\/en\/wp-content\/uploads\/sites\/3\/2022\/09\/logo-detektia.png","width":250,"height":55,"caption":"Detektia Earth Surface SL"},"image":{"@id":"https:\/\/detektia.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/detektia","https:\/\/es.linkedin.com\/organization-guest\/company\/detektiamonitoring"]},{"@type":"Person","@id":"https:\/\/detektia.com\/en\/#\/schema\/person\/9c2c9d7f3421ef85c0c0baceeee015cb","name":"Candela Sancho","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/detektia.com\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/3eb47726a63efe97e49781c24571c0cca20427a4170c77f71e424075772b72c5?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/3eb47726a63efe97e49781c24571c0cca20427a4170c77f71e424075772b72c5?s=96&d=mm&r=g","caption":"Candela Sancho"},"description":"Experta en el an\u00e1lisis de los procesos naturales y antropog\u00e9nicos que impulsan la deformaci\u00f3n del terreno. Ha trabajado en el departamento de Geociencias del CSIC-Instituto Jaume Almera (Barcelona, Espa\u00f1a) y en el departamento de Tectonof\u00edsica de la Universidad de Utrecht (Utrecht, Holanda)."}]}},"_links":{"self":[{"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/posts\/1388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/comments?post=1388"}],"version-history":[{"count":13,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/posts\/1388\/revisions"}],"predecessor-version":[{"id":1415,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/posts\/1388\/revisions\/1415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/media\/1414"}],"wp:attachment":[{"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/media?parent=1388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/categories?post=1388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/detektia.com\/en\/wp-json\/wp\/v2\/tags?post=1388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}