Overall Green Earthquake alert in Northern Mariana Is. on 15 Dec 2025 23:06 UTC

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

M 5.7 in Northern Mariana Is. on 15 Dec 2025 23:06 UTC

2025-12-15 23:19 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 5.8 occurred about 48 miles southeast of tinian at 906 am chst on tuesday december 16 2025
Based on all available data there is no TSUNAMI threat to guam rota tinian or saipan from this earthquake
Some areas MAY have experienced shaking

Measurements Levels

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

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