Overall Green Earthquake alert in New Caledonia on 19 Nov 2017 22:43 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 in New Caledonia on 19 Nov 2017 22:43 UTC

2017-11-20 00:19 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 7.0 occurred in the loyalty ISLANDS at 2244 UTC on sunday NOVEMBER 19 2017
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)
Thio New Caledonia	-21.6	166.2	23: 46	0.09	10
Ouinne New Caledon	-22	166.7	23: 42	0.37	06
Mare New Caledonia	-21.5	167.9	23: 29	0.28	06
Lenakel Vu	-19.5	169.3	23: 14	0.22	04
Lifou New Caledoni	-20.9	167.3	23: 05	0.19	06

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Thio New Caledonia	-21.6	166.2	23: 46	0.09	10
PTWC	Ouinne New Caledon	-22	166.7	23: 42	0.37	06
PTWC	Mare New Caledonia	-21.5	167.9	23: 29	0.28	06
PTWC	Lenakel Vu	-19.5	169.3	23: 14	0.22	04
PTWC	Lifou New Caledoni	-20.9	167.3	23: 05	0.19	06

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