M 4.9 in India on 20 Mar 2012 10:18 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: 4.9M
Depth: Km
Lat/Lon: 9.5496 , 93.373
Event Date: 20 Mar 2012 10:18 UTC
20 Mar 2012 16:18 Local
Exposed Population:
About 8000 people within 100km
Source: NEIC usc0008lxj
Inserted at: 20 Mar 2012 11:04 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc0008lxj 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
115588 0.5 20 Mar 2012 10:18 4.9M, 54.1km N/A 8 thousand (in 100km) 00:45 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 India , Union Territory of Andaman and Nicobar Islands (population 295,612) .

Radius Population
100 km 14000 people
75 km 8700 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Andaman and Nicobar Islands India 300000 people
Aceh Indonesia 4.3 million 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
Car Nicobar CBD 13 Mil. Paved No 7500 74 km

More information

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