Overall Orange Earthquake in Japan on 20 Apr 2026 07:53 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 7.4 Earthquake and Tsunami (1 m) in Japan on 20 Apr 2026 07:53 UTC

2026-04-20 08:45 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.4 occurred off the east coast of honshu JAPAN at 0753 UTC on monday APRIL 20 2026
Based on all available data hazardous TSUNAMI waves are forecast for some coasts

Measurements Levels

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

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