M 4.5 in Chile on 15 Sep 2012 00:50 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: 4.5M
Depth: 20.3 Km
Lat/Lon: -34.6565 , -72.6655
Event Date: 15 Sep 2012 00:50 UTC
14 Sep 2012 19:50 Local
Exposed Population:
170000 people within 100km
Source: NEIC usc000cpgx
Inserted at: 15 Sep 2012 01:12 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000cpgx 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
119620 0.5 15 Sep 2012 00:50 4.5M, 20.3km N/A 170 thousand (in 100km) 00:21 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 Maule (population 862,719) .

Radius Population
100 km 170000 people
75 km 53000 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
Maule Chile 860000 people
Libertador General Bernardo O'Higgins Chile 720000 people

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
Quivolgo 14 Civ. Unpaved No 3100 76 km

Ports

Name LOCODE Country Distance
Constitucion Chile 78 km

More information

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