Overall Green Earthquake alert in Southeast Of Loyalty Islands on 16 Sep 2022 23:58 UTC

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:	5.6M
Depth:	45 Km
Lat/Lon:	-22.2302 , 170.9802
Event Date:	16 Sep 2022 23:58 UTC 17 Sep 2022 10:58 Local
Exposed Population:	Few people affected in MMI -
Source:	NEIC us7000i8pw
Inserted at:	17 Sep 2022 01:48 UTC
INFORM Coping capacity of the alert score:	1.1 ()

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000i8pw	Scaled population (raster)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

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	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1462400	16 Sep 2022 23:58	5.5M, 70.555km	N/A	N/A (in MMI>=VII)	00:19	NEIC
1462405	16 Sep 2022 23:58	5.5M, 35km	N/A	N/A (in MMI>=VII)	00:48	NEIC
1462420	16 Sep 2022 23:58	5.6M, 45km	N/A	N/A (in MMI>=VII)	01:49	NEIC
1463687	16 Sep 2022 23:58	5.5M, 45km	N/A	N/A (in MMI>=VII)	6d 20:53	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	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1462405	-22.362/170.782	5.5	70.6	None	17 Sep 2022 00:19	00:21	(new episode)
2	1462420	-22.318/170.792	5.5	35.0	None	17 Sep 2022 00:48	00:49	(new episode)
3	1462420	-22.23/170.98	5.6	45.0	None	17 Sep 2022 01:49	01:51	(upd of #2)
4	1462420	-22.23/170.98	5.6	45.0	None	17 Sep 2022 02:01	02:03	(upd of #3)
5	1462420	-22.23/170.98	5.6	45.0	None	18 Sep 2022 00:40	1d 00:42	(upd of #4)
6	1462420	-22.239/170.988	5.6	45.0	None	18 Sep 2022 05:40	1d 05:42	(upd of #5)
7	1463687	-22.231/170.995	5.5	45.0	None	23 Sep 2022 23:50	6d 23:51	(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	39 km
	Hunter Island		New Caledonia	111 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.