M 4.9 in Chile on 07 Nov 2012 22:41 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: 4.9M
Depth: 39.5 Km
Lat/Lon: -37.5225 , -72.9137
Event Date: 07 Nov 2012 22:41 UTC
07 Nov 2012 19:41 Local
Exposed Population:
1750000 people within 100km
Source: NEIC usc000dnvb
Inserted at: 07 Nov 2012 23:24 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000dnvb 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
120723 0.5 07 Nov 2012 22:41 4.9M, 39.5km N/A 1.8 million (in 100km) 00:42 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 Bio-Bio (population 1,789,433) . The nearest places are Concepción, and Santa Lucia.

Radius Population
100 km 1.8 million people
75 km 780000 people
50 km 290000 people
20 km 13000 people
10 km 1100 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Bio-Bio Chile 1.8 million people
Araucania Chile 810000 people

Affected populated places

Name Region Province Country City class Population Distance
Santa Lucia Bio-Bio Chile Village - 15 km
Concepción Bio-Bio Chile Major city 210000 people 78 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
La Playa 8 44 km
Los Angeles LSQ 114 Civ. Paved Yes 5500 45 km

Ports

Name LOCODE Country Distance
Lota CLLTA Chile 51 km
Coronel CLCNL Chile 59 km

More information

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