M 4.9 in Indonesia on 21 Sep 2021 01:20 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: 45.59 Km
Lat/Lon: -3.021 , 128.0105
Event Date: 21 Sep 2021 01:20 UTC
21 Sep 2021 10:20 Local
Exposed Population:
660 thousand in 100km
Source: NEIC us7000fd1q
Inserted at: 21 Sep 2021 21:00 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
us7000fd1q Scaled population (vector) 5.9  
  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
1397764 0 21 Sep 2021 01:20 4.9M, 48.24km N/A 660 thousand (in 100km) 00:24 NEIC
1397911 0 21 Sep 2021 01:20 4.9M, 45.59km N/A 660 thousand (in 100km) 19:39 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 Putia, Asaoede, Kawa, Piru, Supe, Kaibobo, Loki, Sole, Loemoli, Luhu, and Hitoelama.

Radius Population
100 km 660000 people
75 km 400000 people
50 km 130000 people
20 km 46000 people
10 km 13000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Maluku Indonesia 2 million people

Affected populated places

Name Region Province Country City class Population Distance
Putia Maluku Indonesia Village - 8 km
Asaoede Maluku Indonesia Village - 13 km
Kawa Maluku Indonesia Village - 17 km
Piru Maluku Indonesia Village - 20 km
Supe Maluku Indonesia Village - 26 km
Kaibobo Maluku Indonesia Village - 28 km
Loki Maluku Indonesia Village - 31 km
Sole Maluku Indonesia Village - 32 km
Loemoli Maluku Indonesia Village - 34 km
Luhu Maluku Indonesia Village - 40 km
Latuhelu Maluku Indonesia Village - 41 km
Lohia Tala Maluku Indonesia Village - 42 km
Tahalupu Maluku Indonesia Village - 46 km
Taniwel Maluku Indonesia Village - 51 km
Kairatu Maluku Indonesia Village - 52 km
Boeria Maluku Indonesia Village - 53 km
Honitetoe Maluku Indonesia Village - 54 km
Wae Jose Maluku Indonesia Village - 55 km
Tumulehu-islam Maluku Indonesia Village - 63 km
Saweli Maluku Indonesia Village - 63 km
Kamarian Maluku Indonesia Village - 64 km
Liang Maluku Indonesia Village - 64 km
Ahiolo Maluku Indonesia Village - 65 km
Waieei Boroe Maluku Indonesia Village - 65 km
Hitoelama 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
Pattimura AMQ 10 Civ. Paved Yes 6000 77 km

Ports

Name LOCODE Country Distance
Piru Indonesia 20 km
Waisarisa Indonesia 35 km
Ambon IDAMQ Indonesia 77 km
Saparua Indonesia 96 km

More information

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