M 4.5 in Indonesia on 21 Oct 2016 01:45 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: 4.5M
Depth: 57.34 Km
Lat/Lon: -1.9878 , 100.1438
Event Date: 21 Oct 2016 01:45 UTC
21 Oct 2016 08:45 Local
Exposed Population:
250869 people within 100km
Source: NEIC us20007fsg
Inserted at: 21 Oct 2016 02:12 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20007fsg Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1143499 0 21 Oct 2016 01:45 4.5M, 57.34km N/A 250 thousand (in 100km) 00:27 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 Sumatera Barat (population 4,301,938) . The nearest places are Patdarai, Gigitji, Katiet, Sigoisooinan, Kaliet, Beriolou, Pasapuat, Maileppet, Siberimanua, and Simagandjo.

Radius Population
100 km 250000 people
75 km 37000 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
Sumatera Barat Indonesia 4.3 million people
Jambi Indonesia 2.2 million people
Bengkulu Indonesia 1.3 million people
Riau Indonesia 3.5 million people
Sumatera Selatan Indonesia 6.6 million people
Sumatera Utara Indonesia 9.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Patdarai Sumatera Barat Indonesia Village - 53 km
Gigitji Sumatera Barat Indonesia Village - 54 km
Katiet Sumatera Barat Indonesia Village - 55 km
Sigoisooinan Sumatera Barat Indonesia Village - 56 km
Kaliet Sumatera Barat Indonesia Village - 56 km
Beriolou Sumatera Barat Indonesia Village - 60 km
Pasapuat Bengkulu Indonesia Village - 63 km
Maileppet Sumatera Barat Indonesia Village - 66 km
Siberimanua Sumatera Barat Indonesia Village - 66 km
Simagandjo Bengkulu Indonesia Village - 67 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
Sipora Rokot RKO unknown 0 52 km

Ports

Name LOCODE Country Distance
North Pagai Island Indonesia 89 km

More information

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