M 5.6 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: Less then 100 people in MMI V
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

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1462400 0 16 Sep 2022 23:58 5.5M, 70.555km N/A less than 100 (in MMI>=VII) 00:19 NEIC
1462405 0 16 Sep 2022 23:58 5.5M, 35km N/A less than 100 (in MMI>=VII) 00:48 NEIC
1462420 0 16 Sep 2022 23:58 5.6M, 45km N/A less than 100 (in MMI>=VII) 01:49 NEIC
1463687 0 16 Sep 2022 23:58 5.5M, 45km N/A less than 100 (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

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1462405 -22.362/170.782 5.5 70.6 None 17 Sep 2022 00:19 00:21 (new episode)
2 0 1462420 -22.318/170.792 5.5 35.0 None 17 Sep 2022 00:48 00:49 (new episode)
3 0 1462420 -22.23/170.98 5.6 45.0 None 17 Sep 2022 01:49 01:51 (upd of #2)
4 0 1462420 -22.23/170.98 5.6 45.0 None 17 Sep 2022 02:01 02:03 (upd of #3)
5 0 1462420 -22.23/170.98 5.6 45.0 None 18 Sep 2022 00:40 1d 00:42 (upd of #4)
6 0 1462420 -22.239/170.988 5.6 45.0 None 18 Sep 2022 05:40 1d 05:42 (upd of #5)
7 0 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.