M 4.7 in Central Chile on 21 Dec 2014 12:36 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: 78.37 Km
Lat/Lon: -35.6684 , -71.8044
Event Date: 21 Dec 2014 12:36 UTC
21 Dec 2014 09:36 Local
Exposed Population:
1054631 people within 100km
Source: NEIC
Inserted at: 21 Dec 2014 13:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -1 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
1067831 0 21 Dec 2014 12:36 4.7M, 78.37km N/A 1.1 million (in 100km) 00:23 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 Chile , Region of Maule (population 862,719) . The nearest places are Concepci�n, and Melozal.

Radius Population
100 km 1.1 million people
75 km 750000 people
50 km 530000 people
20 km 47000 people
10 km 12000 people
5 km 2000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Maule Chile 860000 people

Affected populated places

Name Region Province Country City class Population Distance
Melozal Maule Chile Village - 4 km
Concepci�n Bio-Bio Chile Major city 210000 people 171 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
Linares ZLR 180 Civ. Unpaved No 3200 32 km
Panguilemo TLX 113 Priv. Paved No 3500 37 km

Ports

Name LOCODE Country Distance
Constitucion Chile 66 km

Dams

Reservoir Dam Name River Year Distance
Colbun Colbun Maule 1985 42 km

More information

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