M 5.7 Off-shore on 19 May 2023 03:10 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: 5.7M
Depth: 18.839 Km
Lat/Lon: -23.3415 , 170.449
Event Date: 19 May 2023 03:10 UTC
19 May 2023 14:10 Local
Exposed Population:
Source: NEIC us6000kd2a
Inserted at: 19 May 2023 06:02 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
us6000kd2a 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

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1506364 0 19 May 2023 03:10 5.7M, 18.839km N/A N/A (in MMI>=VII) 02:51 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 1506364 170.449/-23.342 5.7 18.8 0 19 May 2023 06:06 02:55 (new episode)
2 0 1506364 170.449/-23.342 5.7 18.8 0 20 May 2023 03:40 1d 00:29 (upd of #1)
3 0 1506364 170.449/-23.342 5.7 18.8 0 24 May 2023 23:51 5d 20:40 (upd of #2)

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 144 km

More information

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