Earthquake-induced landslides: 1980–1997

Rodríguez, Corina Iris; Bommer, Julian J.; Chandler, R. J.

doi:10.1016/s0267-7261(99)00012-3

Cited by 421 publications

(260 citation statements)

References 7 publications

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“…Rodriguez extended Keefer's work with other 36 world-wide earthquakes and used the similar approach to analyse his new data. The knowledge obtained by Keefer and Rodríguez are very similar except the presence of extreme outliers in some of the correlations (Rodríguez et al, 1999). The relationships between the area of landslides and earthquake magnitude…”

Section: Introductionsupporting

confidence: 52%

“…For the assessment of earthquake-triggered landslide hazards, it is necessary to establish correlations between seismic ground shaking and landslides in different geological, topographical and climatic conditions (Rodríguez et al, 1999). And, the assessment can be performed at different levels ranging from regional studies to the site-specific evaluation of individual slopes aimed to different demands (ISS-MGE, 1999; Australian geomechanics society landslide zoning working group, 2007;Bommer et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

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Earthquake-triggered landslides in southwest China

Chen

Zhou

Ran

et al. 2012

Nat. Hazards Earth Syst. Sci.

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Abstract. Southwest China is located in the southeastern margin of the Tibetan Plateau and it is a region of high seismic activity. Historically, strong earthquakes that occurred here usually generated lots of landslides and brought destructive damages. This paper introduces several earthquaketriggered landslide events in this region and describes their characteristics. Also, the historical data of earthquakes with a magnitude of 7.0 or greater, having occurred in this region, is collected and the relationship between the affected area of landslides and earthquake magnitude is analysed. Based on the study, it can be concluded that strong earthquakes, steep topography as well as fragile geological environment, are the main reasons responsible for serious landslides in southwest China. At the same time, it is found that the relationship between the area affected by landslides and the earthquake magnitude in this region are consistent with what has been obtained worldwide. Moreover, in this paper, it is seen that the size of the areas affected by landslides change enormously even under the same earthquake magnitude in the study region. While at the same tectonic place or fault belt, areas affected by landslides presented similar outline and size. This means that local geological conditions and historical earthquake background have an important influence on landslides distribution, and they should be considered when assessing earthquake-triggered landslide hazards at Grade 1 according to ISSMGE.

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Section: Introductionsupporting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Earthquake-triggered landslides in southwest China

Chen

Zhou

Ran

et al. 2012

Nat. Hazards Earth Syst. Sci.

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“…However, most of secondary ground effects are common within 80-90 km from the epicenter (i.e. Harp and Jibson, 1996;Rodriguez et al, 1999), as observed also for several Italian earthquakes (Esposito et al, 2000;Prestininzi and Romeo, 2000;Porfido et al, 2002).…”

Section: Ground Effectsmentioning

confidence: 81%

Clues to the identification of a seismogenic source from environmental effects: the case of the 1905 Calabria (Southern Italy) earthquake

Tertulliani

Cucci

2009

Nat. Hazards Earth Syst. Sci.

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Abstract. The 8 September 1905 Calabria (Southern Italy) earthquake belongs to a peculiar family of highly destructive (I 0 =XI) seismic events, occurred at the dawning of the instrumental seismology, for which the location, geometry and size of the causative source are still substantially unconstrained. During the century elapsed since the earthquake, previous Authors identified three different epicenters that are more than 50 km apart and proposed magnitudes ranging from M≤6.2 to M=7.9. Even larger uncertainties were found when the geometry of the earthquake source was estimated. In this study, we constrain the magnitude, location and kinematics of the 1905 earthquake through the analysis of the remarkable environmental effects produced by the event (117 reviewed observations at 73 different localities throughout Calabria). The data used in our analysis include ground effects (landslides, rock falls and lateral spreads) and hydrological changes (streamflow variations, liquefaction, rise of water temperature and turbidity). To better define the magnitude of the event we use a number of empirical relations between seismic source parameters and distribution of ground effects and hydrological changes. In order to provide constraints to the location of the event and to the geometry of the source, we reproduce the coseismic static strain associated with different possible 1905 causative faults and compare its pattern to the documented streamflow changes. From the analysis of the seismically-induced environmental changes we find that: 1) the 1905 earthquake had a minimum magnitude M=6.7; 2) the event occurred in an offshore area west of the epicenters proposed by the historical seismic Catalogs; 3) it most likely occurred along a 100 • N oriented normal fault with a left-lateral component, consistently with the seismotectonic setting of the area.

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“…Risk posed by landslides and rock falls emerged as one of the essential lessons after the Rudbar earthquake. A comprehensive assessment of earthquake hazard needs to include also the hazard associated with earthquake-induced landslides (Rodriguez et al 1999). This lesson was identified also after other earthquake disasters around the world.…”

Section: Discussionmentioning

confidence: 99%