M 4.6 in Indonesia on 25 Oct 2011 10:23 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: 4.6M
Depth: Km
Lat/Lon: 0.998 , 125.513
Event Date: 25 Oct 2011 10:23 UTC
25 Oct 2011 19:23 Local
Exposed Population:
1120000 people within 100km
Source: NEIC usb0006crq
Inserted at: 25 Oct 2011 10:45 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb0006crq 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
112536 0.5 25 Oct 2011 10:23 4.6M, 81.5km N/A 1.1 million (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 Indonesia , Province of Sulawesi Utara (population 2,665,773) . The nearest places are Bitung, Kajoewatoe, Tandjungmerah, Bentenah, and Manado.

Radius Population
100 km 1.3 million people
75 km 210000 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
Sulawesi Utara Indonesia 2.7 million people
Maluku Indonesia 2 million people
Sulawesi Tengah Indonesia 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Bitung Sulawesi Utara Indonesia City 140000 people 61 km
Kajoewatoe Sulawesi Utara Indonesia Village - 63 km
Tandjungmerah Sulawesi Utara Indonesia Village - 64 km
Bentenah Sulawesi Utara Indonesia Village - 69 km
Manado Sulawesi Utara Indonesia Major city 450000 people 93 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
Sam Ratulangi MDC 80 Civ. Paved Yes 8200 89 km

Ports

Name LOCODE Country Distance
Bitung IDBIT Indonesia 60 km
Kema Indonesia 64 km
Teluk Totok Indonesia 90 km
Manado IDMDC Indonesia 94 km

More information

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