M 4.9 in Vanuatu from 04 Feb 2011 19:48 UTC to 19:48

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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.9M
Depth: Km
Lat/Lon: -13.6953 , 166.821
Event Date: 04 Feb 2011 19:48 UTC
05 Feb 2011 06:48 Local
Exposed Population:
about 7000 people within 100km
Source: NEIC usb00018x4
Inserted at: 04 Feb 2011 20:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb00018x4 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
103770 0.5 04 Feb 2011 19:48 4.9M, 31.2km N/A 7 thousand (in 100km) 01:08 NEIC
103799 0.5 04 Feb 2011 19:48 4.8M, 10km N/A 6 thousand (in 100km) 23:39 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 Vanuatu , of Vanuatu (population 165,000) . The nearest places are Vipaka, Léar, Pek, and Gavigamana.

Radius Population
100 km 9800 people
75 km 3700 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
Vanuatu Vanuatu 170000 people
Solomon Is. Solomon Islands 370000 people

Affected populated places

Name Region Province Country City class Population Distance
Vipaka Vanuatu Village - 41 km
Léar Vanuatu Village - 58 km
Pek Vanuatu Village - 65 km
Gavigamana Vanuatu Village - 68 km

see full list

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
Torres TOH unknown 0 45 km
Mota Lava MTV unknown 0 96 km

Ports

Name LOCODE Country Distance
Banks Island Vanuatu 77 km

More information

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