M 4.9 in Algeria on 23 Dec 2014 08:00 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: 4.9M
Depth: 8 Km
Lat/Lon: 36.45 , 3.02
Event Date: 23 Dec 2014 08:00 UTC
23 Dec 2014 09:00 Local
Exposed Population:
7725293 people within 100km
Source: EMSC http://www.emsc-csem.org/Earthquake/earthquake.php?id=414520
Inserted at: 23 Dec 2014 08:27 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
EMSC 0.2 0.2
http://www.emsc-csem.org/Earthquake/earthquake.php?id=414520 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
1067993 0.2 23 Dec 2014 08:00 4.8M, 10km N/A 7.8 million (in 100km) 00:12 EMSC
1067994 0.2 23 Dec 2014 08:00 4.9M, 11.43km N/A 7.7 million (in 100km) 00:24 NEIC
1067995 0.2 23 Dec 2014 08:00 4.9M, 8km N/A 7.7 million (in 100km) 00:27 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 Algeria , Province of Blida (population 704,462) . The nearest places are El Merenndj, Hamman Melouane, Douar Oulad Arab, Douar Garsîf, Abd el Krim, Aoungal, Radjimi, Bahata, Haouch el Bey, and Bougara.

Radius Population
100 km 7.8 million people
75 km 6.6 million people
50 km 5.5 million people
20 km 330000 people
10 km 13000 people
5 km 2000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Blida Algeria 700000 people
Medea Algeria 760000 people
Bouira Algeria 600000 people
Tipaza Algeria 620000 people

Affected populated places

Name Region Province Country City class Population Distance
El Merenndj Blida Algeria Village - 3 km
Hamman Melouane Blida Algeria Village - 5 km
Douar Oulad Arab Blida Algeria Village - 5 km
Douar Garsîf Blida Algeria Village - 7 km
Abd el Krim Blida Algeria Village - 8 km
Aoungal Blida Algeria Village - 8 km
Radjimi Blida Algeria Village - 9 km
Bahata Medea Algeria Village - 10 km
Haouch el Bey Blida Algeria Village - 10 km
Bougara Blida Algeria Village - 10 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
Boufarik QFD 102 0 20 km
Blida 163 0 23 km
Houari Boumediene ALG 25 Civ. Paved Yes 11400 32 km

Ports

Name LOCODE Country Distance
Alger Algeria 38 km
Algiers DZALG Algeria 42 km
Tipasa Algeria 60 km
Cherchel Algeria 81 km

Dams

Reservoir Dam Name River Year Distance
Ladrat Ladrat 1988 22 km
Hamiz Arbatache 1935 32 km
Keddara Boudouaou 1985 40 km
Bou Roumi Bou Roumi 1985 46 km
Ghrib Cheliff 1938 54 km
Lekhal Lekhal 1985 62 km
Boukourdane Boukourdane 1992 68 km
Boughzoul Nahar Ouasel 1934 81 km

More information

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