Overall Green Earthquake alert in New Caledonia on 24 Apr 2024 01:23 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 5.4 in New Caledonia on 24 Apr 2024 01:23 UTC

Hazard models

Rapid Impact

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	5.4M
Depth:	8 Km
Lat/Lon:	-22.7704 , 171.6627
Event Date:	24 Apr 2024 01:23 UTC 24 Apr 2024 12:23 Local
Exposed Population:	Few people affected in MMI -
Source:	NEIC us6000mtc7
Inserted at:	25 Apr 2024 03:50 UTC
INFORM Coping capacity of the alert score:	1.1 (New Caledonia)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000mtc7	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1566882		0	24 Apr 2024 01:23	5.5M, 10km	N/A	N/A (in MMI>=VII)		00:19	NEIC
1567120		0	24 Apr 2024 01:23	5.4M, 8km	3.51	N/A (in MMI>=VII)		1d 02:26	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Date shake (UTC)	Delay (hh:mm)
1	1566882	171.624/-22.76	5.5	10	24 Apr 2024 01:46	00:22	(new episode)
2	1566882	171.624/-22.76	5.5	10	24 Apr 2024 03:28	02:04	(upd of #1)
3	1566882	171.624/-22.76	5.5	10	25 Apr 2024 01:44	1d 00:20	(upd of #2)
4	1567120	171.663/-22.77	5.4	8	25 Apr 2024 04:43	1d 03:19	(new episode)

Affected Provinces

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Intensity	Name	LOCODE	Country	Distance
	Matthew Island		New Caledonia	57 km
	Hunter Island		New Caledonia	58 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
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