Study on the Characteristics of Seismic Activity in the Interior of the Ordos Block

被引：0
|
作者：
Xu Weijin1)
机构：
来源：
Earthquake Research Advances | 2009年 / 23卷 / 04期
关键词：
Ordos block; Seismic activity; Spatio-temporal distribution;
D O I：
暂无
中图分类号：
P315 [地震学];
学科分类号：
070801 ;
摘要：
The temporal and spatial distribution characteristics of earthquakes in the Ordos block are studied by using historical earthquake data,instrument data of the regional seismic network around the Ordos block and the historical felt earthquake data,and the relationship between seismicity in the Ordos block and seismicity around the Ordos block is discussed. The result shows that the Ordos block is a typical moderate-strong earthquake active region where many M≥5.0 destructive earthquakes have occurred. The temporal and spatial distribution of earthquakes in the Ordos block is asymmetrical. The temporal distribution of earthquakes shows a periodic characteristic and the activity of earthquakes in the southeastern Ordos block is higher than in the northwest Ordos block. The M≥5.0 moderate size earthquakes in the Ordos block are controlled by the M≥6.0 earthquake around the Ordos block.
引用
收藏
页码：467 / 479
页数：13
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