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The Laalam (Algeria) damaging landslide triggered by a moderate earthquake (M w = 5.2)

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  • Y. Bouhadad
  • A. Benhamouche
  • H. Bourenane
  • A. Ait Ouali
  • M. Chikh
  • N. Guessoum

Abstract

On March 20th, 2006, a moderate earthquake (M w = 5.2) struck the Laalam (NE-Algeria). The damage was centred in the Laalam village where four deaths, 68 injured and more than 40 housing units destroyed making dozens of peoples homeless. Damage and casualties are directly related to an earthquake-induced landslide occurred at 10 km far from the epicenter (ISC relocation). The landslide rupture, mapped by using a ground based survey, is striking NE-SW along a 1-km length rupture with a 45 cm of lateral displacement. The rupture plan is dipping 40° at the surface and showing horizontal striations. A 75 cm of pre-2006 lateral displacement is also observed indicating a repetitive behaviour of the landslide. The last time where the landslide was activated extends back to 1974 following another moderate earthquake. This landslide reminds us the high level hazard of induced ground failures due slope instabilities in mountainous zones of seismically active areas. Copyright Springer Science+Business Media B.V. 2010

Suggested Citation

  • Y. Bouhadad & A. Benhamouche & H. Bourenane & A. Ait Ouali & M. Chikh & N. Guessoum, 2010. "The Laalam (Algeria) damaging landslide triggered by a moderate earthquake (M w = 5.2)," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 54(2), pages 261-272, August.
    • Handle: RePEc:spr:nathaz:v:54:y:2010:i:2:p:261-272
    DOI: 10.1007/s11069-009-9466-0
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    References listed on IDEAS

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    1. D. Machane & Y. Bouhadad & G. Cheikhlounis & J.-L. Chatelain & E. Oubaiche & K. Abbes & B. Guillier & R. Bensalem, 2008. "Examples of geomorphologic and geological hazards in Algeria," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 45(2), pages 295-308, May.
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    Cited by:

    1. Waleed Abdelmoghny Metwaly Ogila, 2021. "Analysis and assessment of slope instability along international mountainous road in North Africa," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 106(3), pages 2479-2517, April.
    2. Shah Naseer & Tanveer Ul Haq & Abdullah Khan & Javed Iqbal Tanoli & Nangyal Ghani Khan & Faizan-ur-Rehman Qaiser & Syed Tallataf Hussain Shah, 2021. "GIS-based spatial landslide distribution analysis of district Neelum, AJ&K, Pakistan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 106(1), pages 965-989, March.
    3. Lynda Djerbal & Ibtissam Khoudi & Nassima Alimrina & Bachir Melbouci & Ramdane Bahar, 2017. "Assessment and mapping of earthquake-induced landslides in Tigzirt City, Algeria," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 87(3), pages 1859-1879, July.

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