Overall Green Earthquake alert Off-shore on 28 Jul 2025 22:10 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 6.9 Off-shore on 28 Jul 2025 22:10 UTC

2025-07-28 22:24 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.0 occurred in the macquarie ISLANDS region at 1111 am sst on monday JULY 28 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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