| 青海东部及邻区强震前地震活动特征参数Wq值的研究 |
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| 引用本文： | 王培玲,孙丽,杨玉霞. 青海东部及邻区强震前地震活动特征参数Wq值的研究[J]. 高原地震, 2008, 20(2): 17-21 |
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| 作者姓名： | 王培玲 孙丽 杨玉霞 |
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| 作者单位： | 青海省地震局,青海,西宁,810001;青海省门源县地震局,青海,门源,810300 |
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| 摘 要： | 利用1980～2007年以来，青海省东部及邻区（34°～40°N，96°～104°E）ML≥2．3级地震资料进行特征参数耽值的空间扫描。结果表明，在该区域内发生的9次6．0级以上地震中有6次震前7—28个月在震中周围出现叻值异常区，并且大部分地震前的异常区存在异常出现一异常区面积扩大一面积收缩一发震的变化过程，为地震的中短期预报提供了判定依据。
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| 关 键 词： | 地震活动特征参数Wq值 地震预报 青海 |
STUDY ON SEISMIC ACTIVITY PARAMETER Wq-VALUE BEFORE STRONG EARTHQUAKES IN EAST QINGHAI AND ITS ADJACENT AREA |
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| WANG Pei-ling,SUN Li,YANG Yu-xia. STUDY ON SEISMIC ACTIVITY PARAMETER Wq-VALUE BEFORE STRONG EARTHQUAKES IN EAST QINGHAI AND ITS ADJACENT AREA[J]. Plateau Earthquake Research, 2008, 20(2): 17-21 |
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| Authors: | WANG Pei-ling SUN Li YANG Yu-xia |
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| Affiliation: | WANG Pei-ling ,SUN Li ,YANG Yu- xia (1. Earthquake Administration of Qinghai Province , Xining 810001 ,China; 2. Earthquake Administration of Menyuan County, Qinghai Province, Menyuan 810300, China ) |
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| Abstract: | The data of ML≥2.3 earthquakes in east Qinghai and its adjacent area（34° -40°N,96° - 104°E） during 1980 - 2007 are analyzed by spatial scanning of seismic activity parameter Wq - value. The results show there appeared Wq - value anomalous areas before 7 - 28 months in 6 earthquakes epieentral areas of 9 events with Ms≥6. 0, and most anomalous areas presented the process of anomalies appeared enlarged narrow earthquake occurrence before the event, and this may be the criterion of earthquake middle - short term forecasting. |
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| Keywords: | Seismic activity parameter Wq -value Earthquake forecasting Qinghai |
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