M 4.7 in New Caledonia on 20 Sep 2012 03:32 UTC

Hazard models

EQ parameters
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: 4.7M
Depth: 31.9 Km
Lat/Lon: -20.2594 , 167.19
Event Date: 20 Sep 2012 03:32 UTC
20 Sep 2012 14:32 Local
Exposed Population:
About 15000 people within 100km
Source: NEIC usc000csd3
Inserted at: 20 Sep 2012 03:54 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000csd3 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
119729 0.5 20 Sep 2012 03:32 4.7M, 31.9km N/A 10 thousand (in 100km) 00:21 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 New Caledonia , of New Caledonia (population 178,000) .

Radius Population
100 km 15000 people
75 km 9500 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
New Caledonia New Caledonia 180000 people

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Wanaham LIF 28 Civ. Paved No 3600 57 km
Ouvea Ouloup UVE 7 Civ. Paved No 3600 77 km

Ports

Name LOCODE Country Distance
We New Caledonia 73 km

More information

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