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Two Comparable Earthquakes Produced Greatly Different Coseismic Landslides: The 2015 Gorkha, Nepal and 2008 Wenchuan, China Events

Summary

Several controlling factors including topographic relief, slope steepness, and regional peak ground acceleration (PGA) were investigated to try to explain the great differences between the number, volume and area of the coseismic landslides associated with the two similar earthquakes. We found that the differences primarily arose from an unexpected factor, the dip angle of the seismogenic fault. This discovery should aid understanding the failure mechanisms of quake-triggered landslides, and suggests that more factors should be taken into consideration in estimating coseismic landslide volumes from earthquake magnitudes

Category:

Journal


Writer:

Chong Xu, Xiwei Xu, Yingying Tian, Lingling Shen, Qi Yao, Xueqiang Huang, Junxue Ma, Xi Chen, Siyuan M


Link Source:

https://scholar.google.com/scholar?start=20&q=nepal+landslides&hl=en&as_sdt=0,5&as_vis=1


Publisher:

Journal of Earth Science


Published City:

China


Published Year:

2016