Overall Green Earthquake alert in Samoa on 30 Mar 2015 08:18 UTC

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

M 6.4 in Samoa on 30 Mar 2015 08:18 UTC

2022-09-16 12:15 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred in the TONGA ISLANDS at 0818 UTC on monday MARCH 30 2015
Based on all available data there is no TSUNAMI threat from this earthquake

Measurements Levels

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

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