Overall Orange Earthquake alert in Japan on 21 Nov 2016 20:59 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 6.9 in Japan on 21 Nov 2016 20:59 UTC

2016-11-21 23:17 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.3 occurred near the east coast of honshu JAPAN at 2100 UTC on monday NOVEMBER 21 2016
Based on all available data the TSUNAMI threat from this earthquake has now passed

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)
Mera Jp	34.9	139.8	22: 12	0.21	08
Ofunato Honshu Jp	39	141.8	22: 07	0.28	12

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Mera Jp	34.9	139.8	22: 12	0.21	08
PTWC	Ofunato Honshu Jp	39	141.8	22: 07	0.28	12

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