Widespread landslides induced by the Mw 5.1 earthquake of 11 May 2011 in Lorca, SE Spain
作者： P Alfaro , José Delgado , FJ García-Tortosa , Luca Lenti , JA López
DOI: 10.1016/J.ENGGEO.2012.04.002
关键词:
摘要: Abstract On 11 May 2011, a moderate magnitude (Mw 5.1) earthquake struck the city of Lorca (SE Spain) and nearby areas, causing notable damage, injuries fatalities. Field inspection area affected allowed location characterization more than 250 induced landslides, mainly disrupted type (rock/soil falls, soil slides rock avalanches). This number was very high when compared with inventories previous events similar 4.7 to 5.0) in zone results models for predicting slope behavior during earthquakes. Several factors are proposed here explain observed differences: (i) comparatively 4.5) foreshock seismic series that may have weakened slopes; (ii) peak ground motion values recorded these (iii) occurrence topographic site effects. The this study point out importance including such effects as improvements studying regional slopes.
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