M 4.7 in Chile on 24 Aug 2012 22:30 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: 4.7M
Depth: 1 Km
Lat/Lon: -33.4324 , -72.2819
Event Date: 24 Aug 2012 22:30 UTC
24 Aug 2012 17:30 Local
Exposed Population:
1040000 people within 100km
Source: NEIC usc000c6p7
Inserted at: 24 Aug 2012 22:47 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000c6p7 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
119011 0.5 24 Aug 2012 22:30 4.7M, 1km N/A 1 million (in 100km) 00:17 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 Valparaiso (population 1,428,340) . The nearest places are El Quisco, El Tabo, Algarrobo, El Totoral, Quintay, Las Cruces, Yeco, El Barco, San Antonio, and Cartagena.

Radius Population
100 km 600000 people
75 km 32000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Valparaiso Chile 1.4 million people
Libertador General Bernardo O'Higgins Chile 720000 people
Region Metropolitana Chile 5.2 million people
Maule Chile 860000 people
Coquimbo Chile 520000 people
Mendoza Argentina 1.5 million people
San Juan Argentina 550000 people
Bio-Bio Chile 1.8 million people
Neuquen Argentina 400000 people
Atacama Chile 240000 people
Araucania Chile 810000 people

Affected populated places

Name Region Province Country City class Population Distance
El Quisco Valparaíso Chile Village - 58 km
El Tabo Valparaiso Chile Village - 60 km
Algarrobo Valparaíso Chile Village - 61 km
El Totoral Valparaiso Chile Village - 64 km
Quintay Valparaíso Chile Village - 64 km
Las Cruces Valparaiso Chile Village - 65 km
Yeco Valparaiso Chile Village - 65 km
El Barco Valparaiso Chile Village - 68 km
San Antonio Valparaiso Chile City 85000 people 68 km
Cartagena Valparaiso Chile Village - 68 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country Distance
San Antonio CLSAI Chile 68 km
Valparaiso CLVAP Chile 78 km

More information

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