M 4.6 in Indonesia on 21 Sep 2021 10:33 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: 35 Km
Lat/Lon: -2.4317 , 140.2119
Event Date: 21 Sep 2021 10:33 UTC
21 Sep 2021 19:33 Local
Exposed Population:
480 thousand in 100km
Source: NEIC us7000fd3k
Inserted at: 21 Sep 2021 11:06 UTC
INFORM Coping capacity of the alert score
7.6 (Papua New Guinea)
INFORM Coping capacity of the affected contries: Papua New Guinea= 7.6; Indonesia= 4.8

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000fd3k Scaled population (vector) 5.6  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1.3  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1397810 0 21 Sep 2021 10:33 4.6M, 35km N/A 480 thousand (in 100km) 00:33 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 Irian Jaya (population 1,752,571) . The nearest places are Bukisi, Demta, Berap, Baim, Depapre, Genjem, Jafase, Dazai, Nimbotong, Jansip, and Hollekang.

Radius Population
100 km 480000 people
75 km 440000 people
50 km 45000 people
20 km 13000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Irian Jaya Indonesia 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Bukisi Papua Indonesia Village - 2 km
Demta Papua Indonesia Village - 11 km
Berap Papua Indonesia Village - 11 km
Baim Papua Indonesia Village - 13 km
Depapre Papua Indonesia Village - 17 km
Genjem Papua Indonesia Village - 19 km
Jafase Papua Indonesia Village - 20 km
Dazai Papua Indonesia Village - 23 km
Nimbotong Papua Indonesia Village - 25 km
Jansip Papua Indonesia Village - 26 km
Marneda Papua Indonesia Village - 26 km
Sapari Papua Indonesia Village - 27 km
Genyem Papua Indonesia Village - 36 km
Unurum Papua Indonesia Village - 37 km
Gengen Papua Indonesia Village - 37 km
Wari Papua Indonesia Village - 37 km
Bale Papua Indonesia Village - 38 km
Demoetema Papua Indonesia Village - 39 km
Djaram Papua Indonesia Village - 39 km
Kaptiau Papua Indonesia Village - 41 km
Nefaar Papua Indonesia Village - 41 km
Ambar Papua Indonesia Village - 43 km
Sawe Papua Indonesia Village - 44 km
Boendroe Papua Indonesia Village - 45 km
Bebo Papua Indonesia Village - 48 km
Merem Papua Indonesia Village - 48 km
Mawesdai Papua Indonesia Village - 54 km
Tobadi Papua Indonesia Village - 55 km
Goeai Papua Indonesia Village - 56 km
Jasiarubin Papua Indonesia Village - 56 km
Jayapura Papua Indonesia City - 57 km
Odjar Papua Indonesia Village - 58 km
Maremge Papua Indonesia Village - 65 km
Ber Papua Indonesia Village - 67 km
Hollekang Papua Indonesia Village - 68 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
Sentani DJJ 89 Civ. Paved Yes 7100 37 km
Batom BXM unknown 0 70 km
Arso ARJ unknown 0 84 km
Lereh LHI unknown 0 85 km

Ports

Name LOCODE Country Distance
Demta Indonesia 11 km
Jayapura IDDJJ Indonesia 58 km
Djajapura Indonesia 58 km
Ansudu Indonesia 100 km

More information

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