M 4.6 in Argentina on 27 Dec 2012 11:37 UTC
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: 4.6M
Depth: 80.9 Km
Lat/Lon: -31.2436 , -68.4607
Event Date: 27 Dec 2012 11:37 UTC
27 Dec 2012 08:37 Local
Exposed Population:
630000 people within 100km
Source: NEIC usc000egm0
Inserted at: 27 Dec 2012 12:07 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000egm0 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
121646 0.5 27 Dec 2012 11:37 4.6M, 80.9km N/A 630 thousand (in 100km) 00:29 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 Argentina , Province of San Juan (population 547,865) .

Radius Population
100 km 630000 people
75 km 590000 people
50 km 550000 people
20 km 14000 people
10 km 3600 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Country Region Province Population
Argentina San Juan 550000 people
Argentina Mendoza 1.5 million 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
La Laja 650 11 km
San Juan UAQ 597 Civ. Paved Yes 8000 36 km
San Juan Aeroclub 634 40 km

More information

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