M 4.7 in Indonesia on 23 Aug 2015 20:39 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: 4.7M
Depth: 29.29 Km
Lat/Lon: 0.8686 , 97.8965
Event Date: 23 Aug 2015 20:39 UTC
24 Aug 2015 03:39 Local
Exposed Population:
755349 people within 100km
Source: NEIC
Inserted at: 23 Aug 2015 20:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
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
1093027 0.1 23 Aug 2015 20:39 4.7M, 29.29km N/A 760 thousand (in 100km) 00:17 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 Utara (population 9,319,344) . The nearest places are Hiliobolata, and Hilinaghe.

Radius Population
100 km 760000 people
75 km 670000 people
50 km 570000 people
20 km 270000 people
10 km 67000 people
5 km 4200 people
2 km no people

Affected Provinces

Region Province Country Population
Sumatera Utara Indonesia 9.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Hiliobolata Sumatera Utara Indonesia Village - 13 km
Hilinaghe Sumatera Utara Indonesia Village - 14 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
Binaka 6 39 km
Gunungsitoli GNS unknown 55 km

Ports

Name LOCODE Country Distance
Telukdalem Indonesia 37 km
Gunungsitoli Indonesia 57 km

More information

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