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[1]CHANG Jinlong,GAN Weijun,LIU Shujie,et al.Tectonic Movement Characteristics in Heilongjiang Section of Yilan-Yitong Fault Zone[J].Journal of Seismological Research,2021,44(01):72-77.

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Tectonic Movement Characteristics in Heilongjiang Section of Yilan-Yitong Fault Zone

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 44 Number of periods: 2021 01 Page number: 72-77 Column: Public date: 2021-01-15

Title:: Tectonic Movement Characteristics in Heilongjiang Section of Yilan-Yitong Fault Zone

Author(s):: CHANG Jinlong¹; 2; GAN Weijun³; LIU Shujie⁴; LIU Zhijun⁵; JIAO Zhibo²; (1.Heilongjiang Earthquake Agency,Harbin 150090,Heilongjiang,China)(2.Hegang Seismic Station of Heilongjiang Provice,Hegang 154101,Heilongjiang,China)(3.Institute of Geology,China Earthquake Administration,Beijing 100029,China)(4.Bureau of National Resources of Hegang,Hegang 154100,Heilongjiang,China)(5.Qiqihar Seismological Bureau,Qiqihar 161000,Heilongjiang,China)

Keywords:: Yilan-Yitong fault; fault slip rate; GPS velocity field; tectonic movement

CLC:: P315.22

DOI:: -

Abstract:: In order to study the characteristics of tectonic movement in Heilongjiang section of the Yilan-Yitong fault zone,we calculated the recent three-dimensional velocity field based on GPS continuous station and geological data in Heilongjiang region from 2016 to 2019,and inverted the fault slip rate by constracting the fault model.The following conclusions are obtained:the Heilongjiang section of the Yilan-Yitong fault zone generally shows a subsidence trend,with a settlement rate of 1～2 mm/a.The fault is dextral strike slip,and the strike slip rate is(1.7 ± 0.4)mm /a at 15 km below the locking layer.The Yilan-Yitong fault zone is divided into Jiamusi-Luobei segment and Wuchang-Jiamusi segment.The activity of the Jiamusi-Luobei segment is mainly tension,and the dextral strike slip is a supplement,that of the Wuchang-Jiamusi segment is mainly dextral strike slip,and the tension is a supplement.

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Last Update: 2021-01-15