| 日本9.0级地震引起的应变阶分析 |
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| 引用本文： | 唐磊,邱泽华,郭燕平,赵斌. 日本9.0级地震引起的应变阶分析[J]. 地震地磁观测与研究, 2011, 32(6): 13-16. DOI: 10.3969/j.issn.1003-3246.2011.06.003 |
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| 作者姓名： | 唐磊 邱泽华 郭燕平 赵斌 |
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| 作者单位： | 1. 中国北京 100085 中国地震局地壳应力研究所
2. 中国武汉430071 中国地震局地震研究所 |
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| 基金项目： | 中国地震局地壳应力研究所中央级公益性科研院所基本科研业务专项 |
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| 摘 要： | 利用93个钻孔应变台站记录的日本9.0级地震的观测资料,计算出各个台站记录的面应变的应变阶,通过同震应变阶的张压性变化显示,日本9.0级地震可能对华东、华北和东北地区的影响以张性变化为主.利用稳定时段的观测资料进行理论固体潮标定,得到实际应变阶,利用同震应变阶分析中国大陆主要活动断裂可能受到日本9.0级地震的影响程度时...
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| 关 键 词： | 钻孔应变 面应变 应变阶 |
An analysis on strain step caused by Ms 9.0 earthquake in Japan |
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| Tang Lei,Qiu Zehua,Guo Yanping,Zhao Bin. An analysis on strain step caused by Ms 9.0 earthquake in Japan[J]. Seismological and Geomagnetic Observation and Research, 2011, 32(6): 13-16. DOI: 10.3969/j.issn.1003-3246.2011.06.003 |
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| Authors: | Tang Lei Qiu Zehua Guo Yanping Zhao Bin |
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| Affiliation: | 1) Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China 2) Institute of Seismology, China Earthquake Administration, Wuhan 430071, China |
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| Abstract: | Using the data of Ms 9.0 earthquake in Japan recorded in 93 borehole strainmeter stations, we calculate the strain step of the plane strain. The results show that the changes of strain step are mainly tensile in the east, north and northeast regions of China. According to the theoretical earth tide calibration with aseismic, stable periods of the observation data. We get the actual strain step, and find no obvious trends in the analysis of major active faults in China when the earthquake-affected. |
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| Keywords: | borehole strain plane strain strain step |
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