M 4.6 in El Salvador on 28 Aug 2012 22:02 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: 4.6M
Depth: 35.6 Km
Lat/Lon: 12.8284 , -88.5352
Event Date: 28 Aug 2012 22:02 UTC
28 Aug 2012 16:02 Local
Exposed Population:
1500000 people within 100km
Source: NEIC usc000c9sg
Inserted at: 28 Aug 2012 22:19 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000c9sg 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
119100 0.5 28 Aug 2012 22:02 4.6M, 35.6km N/A 1.5 million (in 100km) 00:16 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 El Salvador , Department of Usulutan (population 458,999) . The nearest places are and San Salvador.

Radius Population
100 km 1.6 million people
75 km 500000 people
50 km 23000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Usulutan El Salvador 460000 people

Affected populated places

Name Region Province Country City class Population Distance
San Salvador San Salvador El Salvador Capital 520000 people 121 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 Carrera 52 54 km
El Playon 79 73 km
Tamarindo 3 77 km

Ports

Name LOCODE Country Distance
Puerto El Triunfo El Salvador 48 km
La Union SVLUN El Salvador 94 km

Dams

Reservoir Dam Name River Year Distance
15 de Septiembre Lempa n/a 88 km

More information

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