Original published: 8/6/2026

熊本地震で地面がずれた場所、35kmの線状に　衛星データで「変位境界」を判読　国土地理院

AI summary

Japan's Geospatial Information Agency analyzed satellite radar data to identify a "displacement boundary" where the ground shifted over approximately 35 km during the Kumamoto earthquake, confirming a 2-meter right-lateral offset via aerial photos.

Key points

•Analysis was conducted using radar data from the ALOS-2 and ALOS-4 Earth observation satellites.
•It was determined that the boundary of ground displacement caused by the Reiwa 8 Kumamoto earthquake extended approximately 35 km.
•Analysis of aerial photos revealed a right-lateral offset of approximately 2 meters.

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熊本地震で地面がずれた場所、35kmの線状に 衛星データで「変位境界」を判読 国土地理院