Articles | Volume 16, issue 12
https://doi.org/10.5194/nhess-16-2641-2016
https://doi.org/10.5194/nhess-16-2641-2016
Research article
 | 
12 Dec 2016
Research article |  | 12 Dec 2016

Analysing post-earthquake landslide activity using multi-temporal landslide inventories near the epicentral area of the 2008 Wenchuan earthquake

Chenxiao Tang, Cees J. Van Westen, Hakan Tanyas, and Victor G. Jetten

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Cited articles

Chang, K.-J., Taboada, A., Chan, Y.-C., and Dominguez, S.: Post-seismic surface processes in the Jiufengershan landslide area, 1999 Chi-Chi earthquake epicentral zone, Taiwan, Eng. Geol., 86, 102–117, 2006.
Cheng, J. D., Huang, Y. C., Wu, H. L., Yeh, J. L., and Chang, C. H.: Hydrometeorological and landuse attributes of debris flows and debris floods during typhoon Toraji, July 29–30, 2001 in central Taiwan, J. Hydrol., 306, 161–173, 2005.
Clauset, A., Shalizi, C. R., and Newman, M. E.: Power-law distributions in empirical data, SIAM Rev., 51, 661–703, 2009.
Cruden, D. and Varnes, D.: Landslide types and processes, USGS, available at: http://pubs.usgs.gov/fs/2004/3072/pdf/fs2004-3072.pdf (last access: December 2016), 1996.
Dai, F. C., Xu, C., Yao, X., Xu, L., Tu, X. B., and Gong, Q. M.: Spatial distribution of landslides triggered by the 2008 Ms 8.0 Wenchuan earthquake, China, J. Asian Earth Sci., 40, 883–895, 2011.
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Short summary
Post-seismic landslides highlighted the need for more research to provide critical information for reconstruction. By mapping detailed landslide inventories, our work shows that most of the landslide activities were concentrated within the first 3 years after the earthquake, and they are majorly determined by vegetation regrowth, available volumes of loose materials, and extreme rainfall events. The landslide activity will continue to decay, but it may be halted if extreme rainfall occurs.
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