Overall Green Earthquake alert in Tonga on 23 Nov 2013 07:48 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 6.5 in Tonga on 23 Nov 2013 07:48 UTC

2013-11-23 07:57 message from NTWC

Key information extracted from original GTS message :

Evaluation

Measurements Levels

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

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