The Study of Paleoearthquakes on the Weihe Fault Zone |
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| Authors: | Shi Yaqin Li Jin Feng Xijie Dai Wangqiang Ren Jun Li Xiaoni Dou Mali |
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| Affiliation: | Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China;Earthquake Administration of Shaanxi Province,Xi'an 710068,China |
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| Abstract: | It is indicated by historical records and the exploratory trench on the Weihe fault that the Yaodian-Zhangjiawan segment of the Weihe fault zone has experienced a historical earthquake and 3 paleoearthquake events in the past 9110a.The historical earthquake,namely,event IV,occurred between 1487 and 1568 AD.The date of paleoseismic event I is(9110±90)a,and the ages of events II and III are unknown.The coseismic vertical displacement of events I,II and III is 0.5m,0.5m and 0.2m,respectively.The exploratory trench also indicates that the Yaodian-Zhangjiawan segment of the Weihe fault was active in the Holocene. |
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| Keywords: | Weihe fault zone Paleoearthquake Coseismic displacement Exploratory trench Bilicun Village |
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