M 4.2 in Tunisia on 17 Jan 2013 05:49 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: 2 Km
Lat/Lon: 35.16 , 9.41
Event Date: 17 Jan 2013 05:49 UTC
17 Jan 2013 06:49 Local
Exposed Population:
1680000 people within 100km
Source: EMSC
Inserted at: 17 Jan 2013 07:55 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
121996 0.5 17 Jan 2013 05:49 4.6M, 2km N/A 1.7 million (in 100km) 00:15 EMSC
121998 0.5 17 Jan 2013 05:49 4.2M, 2km N/A 1.7 million (in 100km) 02:06 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 Tunisia , Governorate of Sidi Bu Zayd (population 357,034) . The nearest places are Sfax, and Zaafria.

Radius Population
100 km 1.7 million people
75 km 930000 people
50 km 520000 people
20 km 160000 people
10 km 30000 people
5 km 8900 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Sidi Bu Zayd Tunisia 360000 people
Al Qasrayn Tunisia 370000 people

Affected populated places

Name Region Province Country City class Population Distance
Zaafria Sidi Bu Zayd Tunisia Village - 2 km
Sfax Safaqis Tunisia Major city - 133 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
Gafsa GAF 315 Civ. Paved Yes 9500 83 km
La Skhira 45 98 km

Dams

Reservoir Dam Name River Year Distance
Sidi Saad Zeroud 1981 51 km

More information

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