M 5.5 in Chile on 11 Oct 2012 17:22 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: 5.5M
Depth: 81.9 Km
Lat/Lon: -32.867 , -70.4007
Event Date: 11 Oct 2012 17:22 UTC
11 Oct 2012 14:22 Local
Exposed Population:
6870000 people within 100km
Source: NEIC usb000d4jf
Inserted at: 11 Oct 2012 17:46 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usb000d4jf 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
120158 0.5 11 Oct 2012 17:22 5.5M, 81.9km N/A 6.9 million (in 100km) 00:24 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 Santiago, R�o Colorado, and Los Espinos.

Radius Population
100 km 6.8 million people
75 km 3.6 million people
50 km 240000 people
20 km 5200 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Valparaiso Chile 1.4 million people
Region Metropolitana Chile 5.2 million people

Affected populated places

Name Region Province Country City class Population Distance
R�o Colorado Valparaiso Chile Village - 2 km
Los Espinos Valparaiso Chile Village - 3 km
Santiago Regi�n Metropolitana Chile Capital 4.8 million people 72 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 Rafael LOB 750 Civ. Unpaved No 3400 25 km
Victor Lafon SSD 658 Civ. Unpaved No 3700 33 km
La Victoria de Chacabuco 640 38 km

Dams

Reservoir Dam Name River Year Distance
Yeso Yeso Yeso 1967 93 km

More information

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