Overall Green Earthquake in Japan on 08 Dec 2025 14:15 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

M 7.6 in Japan on 08 Dec 2025 14:15 UTC

2025-12-08 14:44 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.6 occurred in the hokkaido JAPAN region at 315 am sst on monday december 8 2025
Based on all available data there is no TSUNAMI threat to AMERICAN SAMOA from this earthquake

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

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