Overall Green Earthquake alert in United States on 12 Aug 2018 14:58 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 United States on 12 Aug 2018 14:58 UTC

2018-08-12 15:31 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake has occurred a TSUNAMI is not expected
Preliminary earthquake parameters
The following parameters are based on a rapid preliminary assessment and changes MAY occur
Magnitude 6.4
Origin time 0659 akdt aug 12.2018 0759 pdt aug 12 2018 1459 UTC aug 12
Coordinates 69.7 north 145 1 west
Depth 12 miles
Location 45 miles sw of barter i
Further information will be issued by the UNITED STATES geological survey (earthquake
Usgs
Gov) or the appropriate regional seismic network
This will be the only u s national TSUNAMI warning center message issued for this event unless additional information becomes available

Measurements Levels

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

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