Examples of geomorphologic and geological hazards in Algeria

We present three geomorphologic and geological phenomena that have occurred in Algeria in recent years: (i) the Bab El Oued mudflow on 11 November 2001, which claimed several hundred lives, (ii) a soil collapse induced by sand liquefaction triggered by the Boumerdes earthquake ( M w = 6.8) on 21 May...

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Bibliographic Details
Published in:Natural hazards (Dordrecht) 2008-05, Vol.45 (2), p.295-308
Main Authors: Machane, D., Bouhadad, Y., Cheikhlounis, G., Chatelain, J.-L., Oubaiche, E. H., Abbes, K., Guillier, B., Bensalem, R.
Format: Article
Language:English
Subjects:
Civil Engineering
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental Management
Exact sciences and technology
Geology
Geomorphology
Geomorphology, landform evolution
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hazards
Hydrogeology
Landslides & mudslides
Natural Hazards
Natural hazards: prediction, damages, etc
Original Paper
Soils
Studies
Surficial geology
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Summary:We present three geomorphologic and geological phenomena that have occurred in Algeria in recent years: (i) the Bab El Oued mudflow on 11 November 2001, which claimed several hundred lives, (ii) a soil collapse induced by sand liquefaction triggered by the Boumerdes earthquake ( M w = 6.8) on 21 May 2003, and (iii) landslides that are threatening Constantine city, for which a hazard map is presented using a qualitative approach. We briefly describe and analyze these natural disasters, and in the first two cases propose the application of geophysical techniques such as ambient noise recordings and electrical imagery to help evaluate their extent and potential threat. Finally a landslide hazard map of Constantine is proposed.
ISSN:0921-030X
1573-0840
DOI:10.1007/s11069-007-9167-5