Overall Green Earthquake alert in United States on 23 Jan 2018 09:31 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 7.9 in United States on 23 Jan 2018 09:31 UTC

2018-01-23 10:31 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 8.2 occurred in the gulf of alaska at 0932 UTC on tuesday JANUARY 23 2018
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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