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2008•Journal of Seismological ResearchRequires access

Analog Study:Seismogenic Structure of the Wenchuan M_S8.0 Earthquake and Similar Structures in Sichuan-Yunnan Region

Liu Na

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Abstract

We analyze the seismogenic structure of the Wenchuan MS8.0 earthquake and the composition and active characteristics of the Yulong-Longmen deep fault system.Based on the analysis we study the seismic structures in the Sichuan-Yunnan region similar to the Longmenshan fault,using structure analog method.The result indicates that the NE-direction Xiaojinhe fault is potential risk zone of large earthquake,on which MS≥7.0 earthquake possibly occurs.

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What this paper is about

We analyze the seismogenic structure of the Wenchuan MS8.0 earthquake and the composition and active characteristics of the Yulong-Longmen deep fault system.Based on the analysis we study the seismic structures in the Sichuan-Yunnan region similar to the Longmenshan fault,using structure analog method.The result indicates that the NE-direction Xiaojinhe fault is potential risk zone of large earthquake,on which MS≥7.0 earthquake possibly occurs.

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Available abstract

We analyze the seismogenic structure of the Wenchuan MS8.0 earthquake and the composition and active characteristics of the Yulong-Longmen deep fault system.Based on the analysis we study the seismic structures in the Sichuan-Yunnan region similar to the Longmenshan fault,using structure analog method.The result indicates that the NE-direction Xiaojinhe fault is potential risk zone of large earthquake,on which MS≥7.0 earthquake possibly occurs.

Key concepts: Seismology, Geology, Fault (geology), Seismic gap, Seismic microzonation, Active fault

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Analog Study:Seismogenic Structure of the Wenchuan M_S8.0 Earthquake and Similar Structures in Sichuan-Yunnan Region — Research Paper | ScholarLens