M 4.7 in Indonesia from 07 Dec 2009 22:40 UTC to 22:40

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: 4.7M
Depth: Km
Lat/Lon: 0.3439 , 97.2
Event Date: 07 Dec 2009 22:40 UTC
08 Dec 2009 04:40 Local
Exposed Population:
500000 people within 100km
Source: NEIC us2009pxb7
Inserted at: 07 Dec 2009 23:04 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
us2009pxb7 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
70645 0.5 07 Dec 2009 22:40 4.7M, 35km N/A 500 thousand (in 100km) 00:23 NEIC
70654 0.5 07 Dec 2009 22:40 4.6M, 35km N/A 250 thousand (in 100km) 04:16 NEIC
70665 0.5 07 Dec 2009 22:40 4.7M, 10km N/A 290 thousand (in 100km) 09:22 EMSC
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 , Province of Sumatera Utara (population 9,319,344) . The nearest places are Hinako, and Hilifalawo.

Radius Population
100 km 530000 people
75 km 55000 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
Sumatera Utara Indonesia 9.3 million people
Aceh Indonesia 4.3 million people
Sumatera Barat Indonesia 4.3 million people
Riau Indonesia 3.5 million people
Jambi Indonesia 2.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Hinako Sumatera Utara Indonesia Village - 58 km
Hilifalawo Sumatera Utara Indonesia Village - 70 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Telukdalem Indonesia 73 km

More information

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