M 5.4 in Chile on 21 Sep 2012 12:17 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: 5.4M
Depth: 98.8 Km
Lat/Lon: -19.6536 , -69.1492
Event Date: 21 Sep 2012 12:17 UTC
21 Sep 2012 09:17 Local
Exposed Population:
About 29000 people within 100km
Source: NEIC usc000ct7f
Inserted at: 21 Sep 2012 12:36 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ct7f 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
119770 0.5 21 Sep 2012 12:17 5.4M, 98.8km N/A 30 thousand (in 100km) 00:19 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 Chusmisa, Chapire, Baños de Chusmisa, Pacumiña, Sipiza, Usmagama, Saya, Limacsiña, Cambalache, and Illalla.

Radius Population
100 km 25000 people
75 km 6200 people
50 km 1100 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Tarapaca Chile 350000 people

Affected populated places

Name Region Province Country City class Population Distance
Chusmisa Tarapaca Chile Village - 3 km
Chapire Tarapaca Chile Village - 4 km
Baños de Chusmisa Tarapacá Chile Village - 4 km
Pacumiña Tarapaca Chile Village - 6 km
Sipiza Tarapacá Chile Village - 10 km
Usmagama Tarapaca Chile Village - 12 km
Saya Tarapaca Chile Village - 12 km
Limacsiña Tarapaca Chile Village - 13 km
Cambalache Tarapacá Chile Village - 14 km
Illalla Tarapaca Chile Village - 15 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
Zapiga 1160 0 79 km
Canchones West 914 0 98 km

More information

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