M 4.8 in Chile on 28 Aug 2012 08:11 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: 4.8M
Depth: 48.4 Km
Lat/Lon: -32.4355 , -71.2251
Event Date: 28 Aug 2012 08:11 UTC
28 Aug 2012 04:11 Local
Exposed Population:
1680000 people within 100km
Source: NEIC usc000c943
Inserted at: 28 Aug 2012 08:52 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000c943 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
119088 0.5 28 Aug 2012 08:11 4.8M, 48.4km N/A 1.7 million (in 100km) 00:40 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 Valparaíso, La Ligua, and Valle Hermoso.

Radius Population
100 km 1.7 million people
75 km 1.3 million people
50 km 360000 people
20 km 57000 people
10 km 33000 people
5 km 29000 people
2 km 4400 people

Affected Provinces

Region Province Country Population
Valparaiso Chile 1.4 million people

Affected populated places

Name Region Province Country City class Population Distance
La Ligua Valparaíso Chile Village 25000 people 2 km
Valle Hermoso Valparaiso Chile Village - 3 km
Valparaíso Valparaiso Chile Major city 270000 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
Quintero 5 Civ. Paved Yes 3900 48 km
Victor Lafon SSD 658 Civ. Unpaved No 3700 60 km

Ports

Name LOCODE Country Distance
Papudo Chile 24 km
Quintero CLQTV Chile 49 km

More information

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