M 4.2 in Portugal on 24 Sep 2012 21:52 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.2M
Depth: 11 Km
Lat/Lon: 37.58 , -8.37
Event Date: 24 Sep 2012 21:52 UTC
24 Sep 2012 22:52 Local
Exposed Population:
660000 people within 100km
Source: EMSC
Inserted at: 24 Sep 2012 22:50 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
EMSC 0.5 0.5
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
119850 0.5 24 Sep 2012 21:52 4.4M, 11km N/A 660 thousand (in 100km) 00:07 EMSC
119852 0.5 24 Sep 2012 21:52 4.2M, 11km N/A 660 thousand (in 100km) 00:58 EMSC
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 Portugal , District of Beja (population 169,400) . The nearest places are Huelva, and Corte Malhão.

Radius Population
100 km 660000 people
75 km 490000 people
50 km 130000 people
20 km 10000 people
10 km 1200 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Beja Portugal 170000 people
Faro Portugal 340000 people

Affected populated places

Name Region Province Country City class Population Distance
Corte Malhão Beja Portugal Village - 1 km
Huelva Andalucía (Andalusia) Spain Major city 140000 people 132 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
Portimao PRM 2 Civ. Paved No 3000 51 km
Sines SIE 30 Civ. Unpaved No 3700 60 km
Berau 194 Mil. Paved Yes 11300 68 km

Ports

Name LOCODE Country Distance
Portimao PTPRM Portugal 52 km
Albufeira Portugal 56 km
Sines PTSIE Portugal 60 km

Dams

Reservoir Dam Name River Year Distance
Santa Clara Mira 1968 9 km
Monte da Rocha Sado 1972 18 km

More information

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