M 5.5 in Indonesia on 06 Apr 2018 07:46 UTC
EQ parameters

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: 5.5M
Depth: 10 Km
Lat/Lon: -1.4507 , 138.1826
Event Date: 06 Apr 2018 07:46 UTC
Exposed Population: About 77000 people within 100km
Source: NEIC us2000dveh
Inserted at: 06 Apr 2018 08:05 UTC
INFORM Coping capacity of the alert score: 4.8 (Indonesia)


For more info on GDACS alert score click here.
GDACS score
NEIC 0 0
us2000dveh Scaled population -8  
  C1 shakemap -1.73  
  C2 shakemap 0.79  
  Country Vulnerability 0  
  INFORM_normalised 0.96  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1205727 0 06 Apr 2018 07:46 5.5M, 10km 4.89 80 thousand 00:18 NEIC
* 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 Apaoewar, Teba, Jobi, Jauke, Soebokontrai, Yobi, Kairembo, Atinowaniwa, Bagusa, Tamajene, and Poeririm.

Radius Population
100 km 77000 people
75 km 35000 people
50 km 14000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Irian Jaya Indonesia 1.7 million people

Affected populated places

Name Region Province Country City class Population Distance
Apaoewar Papua Indonesia Village5 - 21 km
Teba Papua Indonesia Village5 - 32 km
Jobi Papua Indonesia Village6 - 32 km
Jauke Papua Indonesia Village6 - 35 km
Soebokontrai Papua Indonesia Village5 - 37 km
Yobi Papua Indonesia Village5 - 39 km
Kairembo Papua Indonesia Village5 - 51 km
Atinowaniwa Papua Indonesia Village5 - 55 km
Bagusa Papua Indonesia Village5 - 58 km
Tamajene Papua Indonesia Village5 - 59 km
Nioegi Papua Indonesia Village5 - 60 km
Isjuma Papua Indonesia Village6 - 62 km
Poeririm Papua Indonesia Village5 - 66 km

see full list

Critical infrastructure

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


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Sarmi ZRM unknown 0 81 km


Name LOCODE Country Distance
Mataboor Indonesia 26 km

More information

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