[1]杨晓霞,王小玲,李玉丽,等.2016年青海门源MS6.4地震前地下流体异常特征分析*[J].地震研究,2016,39(增刊):89-94.
YANG Xiaoxia,WANG Xiaoling,LI Yuli,et al.Analysis on Anomaly Characteristics of Underground Fluid before Qinghai Menyuan MS6.4 Earthquake in 2016[J].Journal of Seismological Research,2016,39(增刊):89-94.
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《地震研究》[ISSN:1000-0666/CN:53-1062/P]
- 卷:
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39
- 期数:
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2016年增刊
- 页码:
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89-94
- 栏目:
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- 出版日期:
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2016-11-20
文章信息/Info
- Title:
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Analysis on Anomaly Characteristics of Underground Fluid before Qinghai Menyuan MS6.4 Earthquake in 2016
- 作者:
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杨晓霞; 王小玲; 李玉丽; 孙春玲; 孙丽
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青海省地震局,青海 西宁 810001
- Author(s):
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YANG Xiaoxia; WANG Xiaoling; LI Yuli; SUN Chunling; SUN Li
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Earthquake Administration of Qinghai Province,Xining 810001,Qinghai,China
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- 关键词:
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门源MS6.4地震; 地下流体; 前兆异常
- Keywords:
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Menyuan MS6.4 earthquake; underground fluid; precursory anomaly
- 分类号:
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P315.723
- DOI:
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- 摘要:
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2016年1月21日青海省门源县发生MS6.4地震,震前青海地区地下流体测项出现了前兆异常。通过分析,总结出异常类型大致有2种:(1)波动异常,主要表现为速率变化;(2)年变畸变异常,主要表现为打破年变规律。此次地震前中短期异常的出现时间与震中距不成比例。
- Abstract:
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There appeared precursor anomaly of underground fluid in Qinghai area before Qinghai Menyuan MS6.4 earthquake on Jan.21,2016. The anomaly type of underground fluid can be divided into two types. The first is wave anomaly,and it mainly presented as rate change. The second is annual distortion anomaly,whose characteristic mainly presented as broken yearly change law. The appearance time of mid-short term anomalies before the earthquake is disproportional to epicenter distance.
备注/Memo
- 备注/Memo:
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收稿日期:2016-08-23
基金项目:青海省地震科学基金课题(2015A03)资助.
更新日期/Last Update:
2016-10-20