Overall Green Earthquake alert in United States on 22 Jul 2020 06:12 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 7.8 in United States on 22 Jul 2020 06:12 UTC

2020-07-22 07:32 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.8 occurred in the alaska peninsula at 0613 UTC on wednesday JULY 22 2020
Based on all available data the TSUNAMI threat from this earthquake has now passed for areas covered by this bulletin
No tsunamis were observed at nearby deep ocean gauges
There is no longer a TSUNAMI threat from this earthquake

Tsunami Observations

The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level

GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
Sand Point Ak	55.3	-160.5	06: 32	0.15	68

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Sand Point Ak	55.3	-160.5	06: 32	0.15	68

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