M 4 in Iran on 01 Dec 2012 08:38 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: 4.0M
Depth: 10 Km
Lat/Lon: 36.74 , 55.16
Event Date: 01 Dec 2012 08:38 UTC
01 Dec 2012 12:08 Local
Exposed Population:
1620000 people within 100km
Source: EMSC
Inserted at: 01 Dec 2012 08:50 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
121196 0.5 01 Dec 2012 08:38 4M, 10km N/A 1.6 million (in 100km) 00:11 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 Iran, Islamic Republic of , Province of Semnan (population 541,428) . The nearest places are Jowzchal, Chehel Dokhtar, Siah Rudbar, and Pad Gan-E Nezami-Ye Chehel.

Radius Population
100 km 1.6 million people
75 km 1.2 million people
50 km 480000 people
20 km 12000 people
10 km 2300 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Semnan Iran, Islamic Republic of 540000 people
Mazandaran Iran, Islamic Republic of 4.4 million people

Affected populated places

Name Region Province Country City class Population Distance
Chehel Dokhtar Semnan Iran Village - 13 km
Siah Rudbar Golestan Iran Village - 13 km
Pad Gan-E Nezami-Ye Chehel Semnan Iran Village - 13 km
Jowzchal Golestan Iran Village - 14 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
Shahrud 1285 36 km
Gonbad Ghabus 46 56 km

Dams

Reservoir Dam Name River Year Distance
Voshmgir Gorganrood 1970 64 km

More information

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