灾害学Issue(2)：26-31,6.DOI:10.3969/j.issn.1000-811X.2015.02.006
基于 Google Earth 的1920年海原8.5级大地震地质灾害研究
Study on Geological Disasters Caused by Haiyuan M8.5 Earthquake in 1920 Based on Google Earth
摘要
Abstract
A detailed and precise landslide inventory is an essential part of seismic landslide hazard assess-ment.Based on multisource high-precision satellite images provided by Google Earth, landslides in loess triggered by Haiyuan M8.5 earthquake in 1920 are interpreted in detail.A total of 1000 landslides are got from the interpre-tation, and the slip source zone and accumulation zone are circled by use of multiple deformation.The landslides mainly distributed in the southwest of Xiji County and the southeast of Haiyuan County.The statistical analysis re-sults indicate that earthquake triggered landslide hazard is mainly influenced by elevation, slope height, slope, and landform parameters, and a large number of low angle high-speed distant landslides is mainly due to the effect of lo-ess liquefaction.关键词
海原地震/黄土滑坡/分布规律/Google Earth/黄土液化Key words
Haiyuan earthquake/loess landslide/distribution pattern/Google Earth/liquefaction分类
天文与地球科学引用本文复制引用
李为乐,黄润秋,裴向军,张晓超,张远明..基于 Google Earth 的1920年海原8.5级大地震地质灾害研究[J].灾害学,2015,(2):26-31,6.基金项目
国家自然科学基金青年基金（41202210）；国土资源部公益性行业专项（201211055）；中国地质调查局项目 （）
