Overall Green Earthquake alert in New Caledonia on 20 May 2023 01:51 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 7.1 in New Caledonia on 20 May 2023 01:51 UTC

2023-05-20 01:58 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.4 occurred southeast of the loyalty ISLANDS at 0151 UTC on saturday MAY 20 2023
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 no areas covered by this message appear to be immediately threatened. however... the situation is still under investigation. this threat evaluation will be updated as soon as further information becomes available.

Measurements Levels

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

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