M 4.3 in Chile on 28 Jul 2013 19:52 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.3M
Depth: 100 Km
Lat/Lon: -23.21 , -68.62
Event Date: 28 Jul 2013 19:52 UTC
28 Jul 2013 15:52 Local
Exposed Population:
138469 people within 100km
Source: GEOFON gfz2013ornz
Inserted at: 28 Jul 2013 20:20 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
GEOFON n.a n.a
gfz2013ornz 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
1000959 n.a 28 Jul 2013 19:52 4.3M, 100km N/A 140 thousand (in 100km) 00:28 GEOFON
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 4700 people
50 km 1400 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no 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 188 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
San Pedro de Atacama 2418 Civ. Unpaved No 6300 57 km
El Salar 2300 Priv. Unpaved No 7200 58 km

More information

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