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The Geospatial Information Authority of Japan (GSI) analyzed satellite SAR data to detect crustal deformation caused by the 2026 Kumamoto Earthquake. Using observations from ALOS-2, ALOS-4, and NISAR, a three-dimensional displacement field was estimated, and displacement boundaries associated with the earthquake were identified.
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国土交通省国土地理院 測地部宇宙測地課・地理地殻活動研究センター宇宙測地研究室 (2026) studied this question.
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