M 5.5 in New Caledonia on 05 Dec 2018 15:40 UTC

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: 5.5M
Depth: 10 Km
Lat/Lon: -21.7923 , 169.2424
Event Date: 05 Dec 2018 15:40 UTC
Exposed Population: No people within 100km
Source: NEIC us1000i2v1
Inserted at: 05 Dec 2018 16:01 UTC
INFORM Coping capacity of the alert score: 1.1 (New Caledonia)


For more info on GDACS alert score click here.
GDACS score
NEIC 0 0
us1000i2v1 Scaled population 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
1239977 0 05 Dec 2018 15:40 5.5M, 10km 3.2 No people affected 00:21 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
* 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 New Caledonia ,of New Caledonia (population 178,000) . 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 1239977 -21.792/169.242 5.5 10 3.2 05 Dec 2018 16:03 00:22 (new episode)
2 0 1239977 -21.792/169.242 5.5 10 3.2 05 Dec 2018 17:42 02:02 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
New Caledonia New Caledonia 4800 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Kurine New Caledonia Village5 - 121 km
Tawaïnèdre New Caledonia Village5 - 124 km
Hnadid New Caledonia Village5 - 125 km
Eni New Caledonia Village5 - 134 km
Médu New Caledonia Village5 - 135 km
Miramas New Caledonia Village5 - 135 km
Wabao New Caledonia Village5 - 137 km
Ménaku New Caledonia Village5 - 137 km
Tadine New Caledonia Village4 7400 people 144 km
Thogone New Caledonia Village5 - 145 km
Nécé New Caledonia Village5 - 149 km
New Caledonia Village5 - 150 km

see full list

Critical infrastructure

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


Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Mare la Roche MEE 43 Civ. Paved No 3200


Intensity Name LOCODE Country
Tadine New Caledonia

More information

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