M 4.6 in Chile on 26 Mar 2013 10:00 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: 96.5 Km
Lat/Lon: -23.2273 , -68.9062
Event Date: 26 Mar 2013 10:00 UTC
26 Mar 2013 07:00 Local
Exposed Population:
140000 people within 100km
Source: NEIC usb000fspq
Inserted at: 26 Mar 2013 10:21 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb000fspq 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
123442 0.5 26 Mar 2013 10:00 4.6M, 96.5km N/A 140 thousand (in 100km) 00:20 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 140000 people
75 km 5000 people
50 km 2000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Antofagasta Chile 420000 people

Affected populated places

Name Region Province Country City class Population Distance
Antofagasta Antofagasta Chile Major city 310000 people 157 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
El Salar 2300 Priv. Unpaved No 7200 77 km
El Loa CJC 2318 Civ. Paved Yes 9400 83 km
San Pedro de Atacama 2418 Civ. Unpaved No 6300 86 km

More information

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