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| 汶川地震强余震与引潮力关系的初步研究 | |
| 引用本文： | 赵小茂,王新,柯昌安,陈冬柏,石大鹏.汶川地震强余震与引潮力关系的初步研究[J].地震地磁观测与研究,2010,31(3):46-51. |
| 作者姓名： | 赵小茂 王新 柯昌安 陈冬柏 石大鹏 |
| 作者单位： | 1. 中国西安,710068,陕西省地震局 2. 中国陕西,710109,西安地震台 3. 中国陕西,710007,西安市地震局 |
| 基金项目： | 国家自然科学基金，中国地震局南北地震带北段大震危险性强化跟踪研究项目及陕西省地震局青年科研基金课题联合资助 |
| 摘 要： | 以汶川地震为例,统计分析2008年5月12日—2009年9月30日5级以上强余震与引潮力的关系,发现平行断层方向的线应变引潮力峰(谷)值时间与汶川地震及强余震发震时间的对应关系较好,且其对应程度与断层性质有关。综合分析认为,引潮力可能是地震的诱发因素之一。 |
| 关 键 词： | 汶川地震 龙门山断裂 引潮力 线应变 |
Preliminary research on relation between strong aftershock of Wenchuan earthquake and tidal force |
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| Zhao Xiaomao,Wang Xin,Ke Chang'an,Chen Dongba,Shi Dapeng.Preliminary research on relation between strong aftershock of Wenchuan earthquake and tidal force[J].Seismological and Geomagnetic Observation and Research,2010,31(3):46-51. | |
| Authors: | Zhao Xiaomao Wang Xin Ke Chang'an Chen Dongba Shi Dapeng |
| Institution: | (Earthquake Administration of Shaanxi Province, Xi＇an 710068, China Xilan Seismic Station, Shaanxi Province 710109, China Earthquake Administration of Xi＇an City, Shaanxi Province 7]00067, China) |
| Abstract: | Wenchuan earthquake is taken as example, relation between strong aftershock above M 5.0 of wenchuan earthquake and tidal force has been counted and analyzed. The results show occurrence time of wave crest/trough on linear strain of tidal force paralleled fault is corre- sponded with Wenchuan earthquake and strong aftershocks, and correspondence is related with fault character. Composite analyses indicate tidal force maybe is one of factors drew in earthquake occurrence. |
| Keywords: | Wenchuan earthquake Longmenshan fault tidal force linear strain |
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