首页|Relocation of earthquakes in northeastern region of Qinghai-Xizang plateau and characteristics of earthquake activity
Relocation of earthquakes in northeastern region of Qinghai-Xizang plateau and characteristics of earthquake activity
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国家科技期刊平台
NETL
NSTL
万方数据
维普
The northeastern region of Qinghai-Xizang plateau is the junction part of the Qinghai-Xizang block, Alxa block and Ordos block. To explore tectonic feature of this region 4 study profiles are selected by taking geological background into consideration. The ML3 3.0 earthquakes located within 40 km on both sides of the selected profiles and ML3 4.0 earthquakes in the studied region have been relocated. Of the 388 relocated earthquakes, 36% shift their previously determined epicenters by more than 5 km. The amount of relocated earthquake with focal depth determination increases 50% more than that before relocation. In this quasi-trijunction region of the northeastern of Qinghai-Xizang plateau three M3 8 earthquakes occurred historically and microearthquakes are quite active at present, implying a strong tectonic activity persists here to the present day.
Qinghai-Xizang plateauearthquakefocal depth
WANG Su-yun、GAO A-jia、XU Zhong-huai、ZHANG Xiao-dong、GUO Ying
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Institute of Geophysics, China Seismological Bureau, Beijing 100081, China
国家自然科学基金国家重点基础研究发展计划(973计划)Institute of Geophysics, China Seismological Bureau fund
国家科技期刊平台
NSTL
万方数据
维普
