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A new index representative of seismic cracks to assess post‐seismic landslide susceptibility
Transactions in GIS, 2022AbstractIn a major earthquake, strong shaking reduces the natural soil strength. Therefore, evaluation of the susceptibility of post‐seismic landslides may help prevent further disasters in an affected area. This study developed an index representing the spatial density of seismic cracks—the dense crack index (DCI)—to express the degree of local ground
Shui Yamaguchi, Mio Kasai
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Seismically induced landslide displacements: a predictive model
Engineering Geology, 2000Newmark's model for predicting earthquake-induced landslide displacements provides a simple way to predict the coseismic displacements affecting a sliding mass subject to earthquake loading. In this model, seismic slope stability is measured in terms of critical acceleration, which depends on the mechanical soil properties, pore-pressure distribution ...
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Permanent seismic deformation analysis of a landslide
Landslides, 2005A failed slope may not necessarily require a remedial treatment if it can be shown with confidence that the maximum movement of the slide mass will be within tolerable limits, i.e., not cause loss of life or property. A permanent displacement analysis of a landslide for static and seismic conditions is presented using a continuum mechanics approach ...
Ashok K. Chugh, Timothy D. Stark
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Landsliding in seismic areas : the case of the Acquara-Vadoncello landslide (Southern Italy)
Bulletin of Engineering Geology and the Environment, 2000On 29 December 1993, a slump-earthflow was activated in the outskirts of Senerchia (southern Italy) in a locality named "Vadoncello". Mass movement has been active until the time of writing, at a variable rate. Maximum velocity was reached during 1995, when a seismic sequence of low magnitude (maximum 3.6) was recorded.
V. Del Gaudio, R.Trizzino, G.Calcagnile +2 more
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Landslides and collapses in seismic zones and their prediction
Bulletin of the International Association of Engineering Geology, 1976Attention is paid to the fact that with catastrophic earthquakes 80–90% of human casualties and material damage is associated not with the earthquake proper but with subsequent phenomena, primarily landslides and collapses. Their main reasons are seismic accelerations, change of the gradient angle of unstable planes and thixotropic affects on grounds.
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Analysis of the Seismic Origin of a Landslide in the New Madrid Seismic Zone
Seismological Research Letters, 1992Abstract The New Madrid earthquakes of 1811–12 reportedly triggered many landslides from the bluffs east of the Mississippi River. We use static and dynamic slope stability analyses to determine if landslides currently visible in this area were triggered by seismic shaking or if failure could have occurred in aseismic conditions.
Randall W. Jibson, David K. Keefer
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Seismic characterization of clays blocks ruptures in a clayey landslide, the Harmaliere landslide.
2020<p>Many regions of the world are exposed to landslides in clayey deposits, which pose major problems for land management and human safety. Clayey landslide activity is complex, showing a succession of periods of inactivity and reactivation phases that can evolve into sudden acceleration and catastrophic landslides and/or flows ...
Sylvain Fiolleau +4 more
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Landslide size distribution in seismic areas
2015In seismic areas, the analysis of the landslides size distribution with the distance from the seismic source is very important for hazard zoning and land planning. From numerical modelling (Bourdeau et al., 2004), it has been observed that the area of the sliding mass tends to increase with the ground-motion amplitude up to a certain threshold input ...
VALAGUSSA, ANDREA +2 more
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Characterization of the Avignonet landslide (French Alps) with seismic techniques
2008The large Avignonet landslide (40 106 m3) is located in the Trieves area (French Alps) which is covered by a thick layer of glacio-lacustrine clay. The slide is moving slowly at a rate varying from 1 cm/year near the upper scarp to over 13 cm/year at the toe.
Jongmans, D. +8 more
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