M7.7 28 March 2025 Sagaing Earthquake, Satellite-Based Comprehensive Damage Assessment Report

✦ DISCOVERED BY ORIONAIUnited Nations Satellite Centre (UNOSAT)GeoscienceMyanmar
Myanmar

About this dataset

**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This report provides a comprehensive damage assessment based on satellite analysis and mapping efforts carried out by UNOSAT and other agencies such as Copernicus-EMS and SERTIT to support emergency operations following the M7.7 Sagaing earthquake of 28 March 2025.

Documentation

UNOSAT datasets and maps are produced using a variety of methods. In general, analysts closely review satellite imagery, often comparing two or more images together, and determine notable changes between the images. For damage assessments, refugee or IDP assessments, and similar analyses, these changes are then manually documented in the vector data by the analyst. For flood extractions, landcover mapping and similar analyses, a variety of automated remote sensing techniques are used to extract the relevant information which is then reviewed and revised as necessary by the analyst. In all cases, resulting data is then loaded into a standardized UNOSAT geodatabase and exported asshapefiles for dissemination. This is a preliminary assessment and has not yet been validated in the field. It is important to consider the characteristics of the source imagery used in the analyses when interpreting results. For damage assessments it should be noted that only significant damage to the structural integrity of the buildings analyzed can be seen in imagery, while minor damage such as cracks or holes may not be visible at all. For flood extractions using radar data it is important to note that urban areas and highly vegetated areas may mask the flood signature and result in underestimation of flood waters. Users with specific questions or concerns should contact unosat@unitar.org to seek clarification.

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UNOSAT Live Web Map - M 7.7 Sagaing Earthquake in Myanmar & Thailand

**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This application provides geospatial information on ongoing satellite based-assessment related with the 7.7M magnitude Saigaing earthquake in Myanmar & Thailand on the 28 March 2025. Important note: The boundaries and names shown, and the designations used on this map do not imply official endorsement or acceptance by the United Nations. The United Nations Satellite Centre -UNOSAT is not responsible for the misuse or misrepresentation of the map.

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Damage Assessment in Sagaing Township, Sagaing District, Sagaing Region, Myanmar as of 30 March 2025

**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This map illustrates the potentially damaged structures/buildings affected by the March 28, 2025, earthquake in Mandalay. The analysis focuses on a part of Sagaing Township, Sagaing District, Sagaing Region, where damage was detected using a Pleiades very high-resolution satellite image acquired on March 30, 2025, at 11:01 local time. UNOSAT identified 233 damaged structures and 557 potentially damaged ones. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

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**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This map illustrates the density of damaged buildings affected by the March 28, 2025, earthquake in Mandalay. The analysis focuses on Mandalay & Sagaing Districts. Within the map extent of about 2,100 km², UNOSAT, Copernicus EMS and ICube-SERTIT observed a total of 4,764 destroyed and damaged structures & 4,369 potentially damaged structures. Within Mandalay City boundary of about 110km², a total of 1,076 structures are observed as destroyed and damaged, & a total of 519 structures are observed as potentially damaged. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

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**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This map illustrates the number of affected buildings within specific Towns/Village Tracts boundaries of interest in Sagaing and Mandalay, Myanmar, as of 30 March 2025. Within the analyzed area—52 Towns/Village Tracts covering approximately 340 km², UNOSAT identified 1,095 damaged structures and 1,325 potentially damaged ones. The analysis represents areas where more than 50% of each Village Tract has been assessed for impact. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

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Damage Assessment in Monywa Township, Monywa District, Sagaing Region, Myanmar as of 25 April 2025

**UNOSAT code: EQ20250328MMR, GDACS ID: 1474477** This map illustrates the potentially damaged structures/buildings affected by the March 28, 2025, earthquake in Mandalay. The analysis focuses on a part of Monywa Township, Monywa District, Sagaing Region, where damage was detected using a WorldView-2 very high-resolution satellite image acquired on April 25, 2025. UNOSAT identified 27 damaged structures and 170 potentially damaged. This is a preliminary analysis and has not yet been validated in the field. Ground verification is encouraged, and feedback can be sent to the United Nations Satellite Centre (UNOSAT).

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Sagaing_post2025Earthquake_MaxarODP_50cm

satellite imagery by Maxar Open Data Program, acquired 2025-03-30 to 2025-03-30, 30.5 cm per pixel, published on OpenAerialMap.

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Indexed by OrionGIS from Humanitarian Data Exchange (HDX). Data is loaded from the publisher's own server when you use it. Permanent link