M 4.6 in Indonesia on 20 Dec 2015 21:38 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: 4.6M
Depth: 10 Km
Lat/Lon: 3.7324 , 117.5891
Event Date: 20 Dec 2015 21:38 UTC
21 Dec 2015 05:38 Local
Exposed Population:
626450 people within 100km
Source: NEIC
Inserted at: 20 Dec 2015 21:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1112445 0 20 Dec 2015 21:38 4.6M, 10km N/A 630 thousand (in 100km) 00:18 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 Kalimantan Timur (population 2,017,158) . The nearest places are and Tandjungkeramat.

Radius Population
100 km 630000 people
75 km 580000 people
50 km 260000 people
20 km 3500 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Kalimantan Timur Indonesia 2 million people

Affected populated places

Name Region Province Country City class Population Distance
Tandjungkeramat Kalimantan Timur Indonesia Village - 7 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
Bunju 5 43 km
Tarakan TRK 6 Civ. Paved No 5300 45 km
Nunukan NNX unknown 46 km

Ports

Name LOCODE Country Distance
Tanjung Arang Indonesia 43 km
Nunukan IDNNX Indonesia 46 km

More information

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