EMSC

European Mediterranean Seismological Centre


Earthquake MW 6.8 (ETH,INGV,CPPT) in Algeria, May 21 2003

To contribute to this special web page, please contact:
Remy Bossu : bossu[at]emsc-csem.org
Gilles Mazet-Roux : mazet[at]emsc-csem.org
Stephanie Godey : godey[at]emsc-csem.org


Articles on the Algerian Earthquake





Location of Main shock and relocated Aftershocks of Boumerdes-Zemmouri earthquake

  DATE       TIME      LAT    LON    DEP  MAG  MOMENT TENSOR
2003/06/06 03:13:25.3  35.3N   4.3E  10G  Ml3.5  
2003/06/04 08:10:57.3  36.7N   3.3E  40   Ml3.5  
2003/05/31 11:44:37.7  36.2N   3.9E  10G  Ml3.5  
2003/05/29 02:14:58.0  36.6N   3.5E 10   Ml4.4  
2003/05/27 17:11:28.6  36.8N   3.7E 10   MW5.7  MT
2003/05/25 00:05:43.2  37.0N   4.0E   -  ML3.8  
2003/05/24 19:21:24.9  36.9N   4.2E 10G  ML4.4  MT
2003/05/24 15:51:42.1  37.1N   3.7E 10G  mb5.5  
2003/05/24 03:10:39.0  36.8N   3.9E  -   ML3.9  
2003/05/23 00:08:58.5  36.7N   3.8E  -   ML4.2  
2003/05/22 14:25:30.0  36.9N   3.7E 10G  mb5.1  
2003/05/22 13:57:22.9  37.1N   3.9E 30   ML4.6  MT
2003/05/22 12:51:36.1  37.0N   3.9E  -   ML4.2  
2003/05/22 11:11:08.4  36.9N   4.1E  -   ML4.1  
2003/05/22 06:27:11.2  37.0N   4.2E  -   ML4.2  
2003/05/22 03:14:04.7  37.2N   3.5E 10G  mb5.2  MT
2003/05/22 01:39:11.6  36.5N   3.6E 33G  ML4.1  
2003/05/21 23:23:46.0  36.7N   3.5E  -   ML4.3  
2003/05/21 22:04:10.6  37.2N   3.9E 10G  mb5.0  
2003/05/21 19:02:09.2  37.1N   3.8E 23   mb4.8  
2003/05/21 18:44:19.6  37.0N   3.7E 10G  MW6.8  MT

The hypocentral depth of the earthquakes in this area does not exceed 20 km.

General Information
Main shock location        -        Map of contributing stations
The data from Algerian stations have been used to compute the final location
Location and arrival times
CRAAG web site
News from Karim Yelles, director of CRAAG
Field activities and satellite pictures (H. Grosser, GFZ)
Image Landsat (NASA), S. dominguez, 2003
Compilation of bathymetric and topographic data by S. Dominguez (Montpellier University)
Possible explanation by S. Dominguez and H. Philip (Montpellier University)
Comments (in french) on the Algerian event by E. Bertrand (BRGM)
Reconnaissance report by NIED Japan (in English)
RESULTATS PRELIMINAIRES SUR LA CARACTERISATION DU SEISME DE BOUMERDES (Nasser Laouami, CGS)
Tsunamis in Baleares
Preliminary modeling of the tsunami by Jose Borrero (University of South California)
AFP article reporting sea waves travelling to the Balearic Islands and suggesting an off-shore earthquake location
Simulation of Balearic tsunami (by H. Hebert, LDG)


Field activities and Satellite pictures
Satellite picture of the region showing the damages (M. Meghraoui)
Seven accelerometric stations sent by the LGIT (Observatoire de Grenoble)


Tectonic history of the region
Structural Map of the region (S. Dominguez, Montpellier University (From A. Boudiaf))
References on seismic hazard in Algeria
List of Historical Events in the region
Other references from Brest University


Source Studies
Preliminary source model (05/21/2003) and Fit to teleseismic P waves. (Martin Vallee, LDG)
Preliminary Results of Rupture Process (by Yagi, IISEE)
Aftershocks distribution (by Hurukawa, IISEE)
Source process determined by the analysis of P, SH and surface waves (Bertrand Delouis (Nice University) and Martin Vallee(LDG-CEA))


Waveform Data
Broadband waveforms data available from the VEBSN
Broadband data from the Instituto Superior Tecnico (Portugual) in SAC format
Waveforms and location data available from MedNet


Link to other seismological web pages
Reconnaissance report, Kawasaki Laboratory (Japan)
Special page of IISEE (Japan)
International Charter "Space and major diaster"
GeoAzur web page (Nice)
ReNaSS special web page (in french)
Seismo Watch
ORFEUS web page
MedNet web page



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