M 4.2 in Iceland on 20 Sep 2012 19:42 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: 10 Km
Lat/Lon: 66.58 , -20.36
Event Date: 20 Sep 2012 19:42 UTC
20 Sep 2012 18:42 Local
Exposed Population:
About 4000 people within 100km
Source: EMSC
Inserted at: 20 Sep 2012 19:57 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
119747 0.5 20 Sep 2012 19:43 4M, 10km N/A 8 thousand (in 100km) 00:10 EMSC
119748 0.5 20 Sep 2012 19:42 4.2M, 10km N/A 4 thousand (in 100km) 00:15 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 Iceland , Region of Nordhurland Eystra (population 29,967) . The nearest places are and Blikalon.

Radius Population
100 km 7900 people
75 km 5800 people
50 km 3000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Nordhurland Eystra Iceland 30000 people

Affected populated places

Name Region Province Country City class Population Distance
Blikalon Iceland Village - 3 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
Raufarhofn RFN 12 Civ. Unpaved Yes 3500 15 km
Kopasker OPA 6 19 km

Ports

Name LOCODE Country Distance
Raufarhofn ISRAU Iceland 14 km
Kopasker Iceland 22 km

More information

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