M 8.9 Earthquake and Tsunami (10.3 m) in Indonesia from 11 Apr 2012 08:38 UTC to 08:38

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 8.9M
Depth: 33 Km
Lat/Lon: 2.043 , 92.518
Event Date: 11 Apr 2012 08:38 UTC
11 Apr 2012 14:38 Local
Exposed Population:
No people within 100km
Source: NEIC usc000905e
Inserted at: 02 Feb 2017 13:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 3 3
usc000905e Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 10.32m  
  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
115943 2 11 Apr 2012 08:38 8.4M, 10km N/A No people affected (in 100km) 2.6m (at 01:24) 1758d 04:31 NEIC
115944 3 11 Apr 2012 08:38 8.9M, 33km N/A No people affected (in 100km) 10.3m (at 01:06) 1758d 04:31 NEIC
115945 3 11 Apr 2012 08:38 8.7M, 33km N/A No people affected (in 100km) 7.4m (at 01:18) 1758d 04:31 NEIC
115946 3 11 Apr 2012 08:38 8.6M, 22.9km N/A No people affected (in 100km) 5.7m (at 01:20) 1758d 04:31 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 Indonesia , Special Region of Aceh (population 4,307,539) .

Radius Population
100 km no people
75 km no 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
Aceh Indonesia 4.3 million people
Sumatera Utara Indonesia 9.3 million people
Andaman and Nicobar Islands India 300000 people

Critical infrastructure

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

More information

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