Overall Green Earthquake alert in Tonga Islands Region on 11 Nov 2022 10:48 UTC

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M 7.3 in Tonga Islands Region on 11 Nov 2022 10:48 UTC

2022-11-11 11:01 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.5 occurred in the TONGA ISLANDS region at 1049 UTC on friday NOVEMBER 11 2022
Based on the preliminary earthquake parameters hazardous TSUNAMI waves are possible for coasts located within 300 km of the earthquake epicenter

Threat Forecast

Hazardous TSUNAMI waves from this earthquake are possible within 300 km of the epicenter along the coasts of NIUE and TONGA

Measurements Levels

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

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