M 5.3 in Indonesia on 21 Apr 2017 04:00 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: 5.3M
Depth: 27.15 Km
Lat/Lon: -2.1425 , 99.6746
Event Date: 21 Apr 2017 04:00 UTC
Exposed Population: About 39000 people within 100km
Source: NEIC us10008jfy
Inserted at: 21 Apr 2017 04:21 UTC
INFORM Coping capacity of the alert score: 4.8 (Indonesia)


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10008jfy Scaled population 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1164738 0 21 Apr 2017 04:00 5.3M, 27.15km N/A 40 thousand 00:20 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 Sumatera Barat (population 4,301,938) . The nearest places are Patdarai, Maileppet, Siberimanua, Sigoisooinan, Gigitji, Taigebgem, Beriolou, Kaliet, Katiet, Pasapuat, and Sabatti.

Radius Population
100 km 39000 people
75 km 21000 people
50 km 15000 people
20 km 10000 people
10 km 3500 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Sumatera Barat Indonesia 4.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Patdarai Sumatera Barat Indonesia Village5 - 6 km
Maileppet Sumatera Barat Indonesia Village5 - 10 km
Siberimanua Sumatera Barat Indonesia Village5 - 11 km
Sigoisooinan Sumatera Barat Indonesia Village5 - 12 km
Gigitji Sumatera Barat Indonesia Village5 - 15 km
Taigebgem Sumatera Barat Indonesia Village5 - 16 km
Beriolou Sumatera Barat Indonesia Village5 - 19 km
Kaliet Sumatera Barat Indonesia Village5 - 25 km
Katiet Sumatera Barat Indonesia Village5 - 29 km
Pasapuat Bengkulu Indonesia Village5 - 57 km
Simagandjo Bengkulu Indonesia Village5 - 64 km
Sabatti Sumatera Barat Indonesia Village5 - 69 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
Sipora Rokot RKO unknown 0 10 km


Name LOCODE Country Distance
North Pagai Island Indonesia 88 km

More information

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