Overall Green Earthquake alert in Northern Mariana Islands on 28 Aug 2018 22:35 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 6.4 in Northern Mariana Islands on 28 Aug 2018 22:35 UTC

2018-08-28 23:31 message from NTWC

Key information extracted from original GTS message :

Evaluation ? an earthquake with a preliminary magnitude of 6.6 occurred in the mariana ISLANDS region at 2235 UTC on tuesday AUGUST 28.2018.

? based on all available data there is no TSUNAMI threat from this earthquake

Measurements Levels

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

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