M 4.5 in Chile on 21 Jul 2013 14:51 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: 4.5M
Depth: 94.8 Km
Lat/Lon: -20.4043 , -68.9583
Event Date: 21 Jul 2013 14:51 UTC
21 Jul 2013 10:51 Local
Exposed Population:
About 22268 people within 100km
Source: NEIC
Inserted at: 21 Jul 2013 18:05 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
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
1000759 n.a 21 Jul 2013 14:51 4.5M, 94.8km N/A 20 thousand (in 100km) 03:14 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 Tarapaca (population 350,373) . The nearest places are Iquique, and Guasco de Lípez.

Radius Population
100 km 22000 people
75 km 12000 people
50 km 4900 people
20 km 2100 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Tarapaca Chile 350000 people

Affected populated places

Name Region Province Country City class Population Distance
Guasco de Lípez Tarapacá Chile Village - 12 km
Iquique Tarapacá Chile Major city 220000 people 127 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
Coposa 3788 46 km
Canchones West 914 72 km
Oficina Victoria 1000 78 km

More information

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