M 4.9 in Indonesia on 31 Jan 2021 09:28 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: 10 Km
Lat/Lon: -5.6403 , 133.6777
Event Date: 31 Jan 2021 09:28 UTC
31 Jan 2021 18:28 Local
Exposed Population:
About 64000 people within 100km
Source: NEIC us6000dddp
Inserted at: 31 Jan 2021 09:52 UTC
INFORM Coping capacity of the alert score
4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000dddp Scaled population (vector) 4.16  
  C1 earthquake 1.54  
  C2 earthquake -0.64  
  Country Vulnerability 0.09  
  INFORM_normalised 0.96  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1355824 0 31 Jan 2021 09:28 4.9M, 10km N/A 60 thousand (in 100km) 00:23 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 Maluku (population 1,991,398) . The nearest places are Ojurdjela, Wokam, Dobo, Waika, Kilwaer, Har, Wasir, Fatudjuring, and Laealaoet.

Radius Population
100 km 64000 people
75 km 20000 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
Maluku Indonesia 2 million people
Irian Jaya Indonesia 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Ojurdjela Maluku Indonesia Village - 58 km
Wokam Maluku Indonesia Village - 60 km
Dobo Maluku Indonesia Village - 61 km
Waika Maluku Indonesia Village - 62 km
Kilwaer Maluku Indonesia Village - 63 km
Har Maluku Indonesia Village - 65 km
Wasir Maluku Indonesia Village - 67 km
Fatudjuring Maluku Indonesia Village - 68 km
Laealaoet Maluku Indonesia Village - 69 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
Benjina BJK 8 0 80 km

Ports

Name LOCODE Country Distance
Dobo Indonesia 61 km
Banda Elat Indonesia 78 km

More information

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