M 4.9 in Chile on 11 Dec 2013 23:23 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: 4.9M
Depth: 51.8 Km
Lat/Lon: -23.99 , -70.17
Event Date: 11 Dec 2013 23:23 UTC
11 Dec 2013 20:23 Local
Exposed Population:
306984 people within 100km
Source: NEIC
Inserted at: 11 Dec 2013 23:47 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
1031836 0.1 11 Dec 2013 23:23 4.9M, 51.8km N/A 310 thousand (in 100km) 00:24 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 Antofagasta (population 423,780) . The nearest places are and Antofagasta.

Radius Population
100 km 310000 people
75 km 300000 people
50 km 270000 people
20 km 1300 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Country Region Province Population
Chile Antofagasta 420000 people

Affected populated places

Name Region Province Country City class Population Distance
Antofagasta Antofagasta Chile Major city 310000 people 45 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
La Chimba 40 Civ. Paved No 3200 54 km
Cerro Moreno International ANF 140 Civ. Paved Yes 8500 67 km

Ports

Name LOCODE Country Distance
Caleta Coloso Chile 40 km
Antofagasta CLANF Chile 45 km

More information

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