黄根喜, 杨玉梅, 张晁军, 赵爱萍. 乌拉特前旗4.8级地震前乌加河地震台定点形变短临异常分析[J]. 华北地震科学, 2002, 20(2): 51-55.
引用本文: 黄根喜, 杨玉梅, 张晁军, 赵爱萍. 乌拉特前旗4.8级地震前乌加河地震台定点形变短临异常分析[J]. 华北地震科学, 2002, 20(2): 51-55.
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HUANG Gen-xi, YANG Yu-mei, ZHANG Chao-jun, ZHAO Ai-ping. ANALYSIS TO THE IMMINENT ANOMALIES OBSERVED IN WUJIAHE DEFORMATION STATION BEFORE THE M4.8 EARTHQUAKE OF WULATEQIANQI[J]. North China Earthquake Sciences, 2002, 20(2): 51-55.
Citation: HUANG Gen-xi, YANG Yu-mei, ZHANG Chao-jun, ZHAO Ai-ping. ANALYSIS TO THE IMMINENT ANOMALIES OBSERVED IN WUJIAHE DEFORMATION STATION BEFORE THE M4.8 EARTHQUAKE OF WULATEQIANQI[J]. North China Earthquake Sciences, 2002, 20(2): 51-55.
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乌拉特前旗4.8级地震前乌加河地震台定点形变短临异常分析

ANALYSIS TO THE IMMINENT ANOMALIES OBSERVED IN WUJIAHE DEFORMATION STATION BEFORE THE M4.8 EARTHQUAKE OF WULATEQIANQI

    摘要
  • 摘要: 2001年6月5日乌拉特前旗发生4.8级地震,震中距乌加河台南东80 km,震前乌加河台形变出现短临异常显示,震前1~3日观测值超出正常日变值2倍以上,观测人员及时反馈信息,及时跟踪通报异常信息,应用系统前兆计算方法滤波、速率检验,该台资料对此地震映震效果较好。本文着重讨论震前出现的短临异常信息。

     

    Abstract: some imminent anomalies appeared at Wujiahe crustal deformation station before the M4.8 earthquake in Wulateqianqi on June 5, 2001. The epicenter is 80 kilometers from the station in southeast.From the first days to the third day before the earthquake the observing value exceed 3 times of the normal value.The anomalies were tracked and reported in time.Processed With filtering and rate checking, the data of the station show a good effect in reflecting earthquake.The imminent anomalies before the earthquake is mainly discussed in this paper.

     

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