鄂尔多斯地块周缘历史强震的影响烈度研究  

Study on historical strong earthquakes affected intensity of counties and cities in the Erdos area

作　　者：任雪梅[1,2] 高孟潭[1] 冯静[1] 

机构地区：[1]中国地震局地球物理研究所 [2]宁夏回族自治区地震局,银川市北京东路244号750001

出　　处：《中国地震》2010年第4期450-456,共7页Earthquake Research in China

基　　金：地震联合基金项目"考虑盆地效应的概率地震危险性分析方法研究"A08020资助

摘　　要：研究了历史地震对鄂尔多斯地块内部县(市)的影响烈度,发现鄂尔多斯地块周缘发生的强震对其内部县(市)的影响十分显著。自1484年以来,鄂尔多斯地块内部93.7%的县(市)遭受过Ⅵ度的破坏,55.7%的县(市)遭受过Ⅶ度破坏,5.1%的县(市)遭受过Ⅷ度破坏。新一代区划图中应考虑历史地震的影响,提高该区的地震危险性。This paper examines the seismic affected intensities of counties and cities in the Erdos area,and shows historical strong earthquakes around Erdos affected these counties and cities greatly.Since 1484,93.7% of the counties and cities in the Erdos area suffered Ⅵ affected intensity,55.7% of them Ⅶ,and 5.1% Ⅷ.So the influence of historical earthquakes should be considered and its seismic risk criterion should be raised in next generation seismic zoning map.

关 键 词：鄂尔多斯地块 历史地震 影响烈度 

分 类 号：P315[天文地球—地震学]