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Sentinel-1 Resources

Earthdata resources for users working with NASA’s Sentinel-1 data include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.

Sentinel-1 Documents

Name Description File Type Date Published
OPERA_DISP-S1_ATBD_D-108765_Rev_A_v1.0.0_Final Algorithm Theoretical Basis Document for OPERA Surface Displacement from Sentinel-1 data PDF (1.2 mb) March 30, 2026
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Sentinel-1 Learning Resources

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This four-panel image is a NASA composite illustrating different types of natural hazards or the aftermath of a single major event like Hurricane Harvey.

Remote Sensing for Disasters Scenarios

This ARSET training shows how NASA remote sensing data can be used to characterize and monitor disaster-related events and support relief efforts.
Training
April 16-30, 2019
This is a Sentinel-1 image of Hawaii’s Big Island before subsetting. Credit: Copernicus Sentinel data 2018, processed by ESA.

Create a Subset of a Sentinel-1 Product

This recipe will go over the basic steps to get started in the Sentinel-1 Toolbox and to create a subset of your desired area of study.
Data Recipe
Oct. 18, 2018
image of layer icon over data points

Geocode Sentinel-1 with QGIS 3.X

This data recipe walks users through geocoding Sentinel-1 GRD products in QGIS 3.X using the Warp (Reproject) tool.
Data Recipe
Oct. 18, 2017
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Sentinel-1 News

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SAR land data image with globe pattern overlay

From ERS-1 to NISAR: 35 Years of SAR at ASF

August 2026 marks 35 years since the first downlink of synthetic aperture radar data to the Alaska SAR Facility. ASF has supported many missions and archived many Earth observations since then.
Blog
Aug. 17, 2026
Pictured is satellite imagery of portions of Montana, Idaho, and Wyoming. Portions of the map are colored blue for areas of EMIT and SAR data masking. Yellow where there is landing cover masking. Red where high-resolution model training was used. Dots for training point data. And white to show the total area of analysis extent.

Homing In On the Range

USGS researchers found NASA’s imaging spectroscopy satellite data could significantly improve identification of vegetation types across rangelands.
News
June 25, 2026
OPERA Radiometric Terrain Corrected Synthetic Aperture Radar Backscatter image of Singapore on 17 February 2026 from ESA's Sentinel-1C satellite

Singapore's Shipping Strait

Image captured on February 17, 2026, by the C-Band SAR instrument aboard ESA's Sentinel-1C platform.
Worldview Image of the Week
Feb. 27, 2026
OPERA RTC SAR Backscatter image of flooding in Mozambique on 24 January 2026 from the C-Band SAR instrument aboard the Sentinel-1 satellite.

Flooding in Mozambique

Image captured on December 18, 2025, by the C-Band SAR instrument aboard ESA's Sentinel-1A platform.
Worldview Image of the Week
Jan. 29, 2026
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