日本大地震及海啸的早期预测及临震信号
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摘要
2011年3月11日日本发生了9级大地震,引发10～23.6 m的大海啸,造成核电站泄漏,损失惨重.震中位于北纬38.1度,东经142.6度.早在2008年7月25日,北京工业大学地震研究所根据5种异常信号作出"关于日本大地震及海啸预测".实际发生的地震正好在预测的区域范围之内,而且确实发生了高达10 m的破坏性海啸.并且在这次大地震前,北京工业大学地震研究所还记录到5种前兆异常信号.这表明一个7级以上的地震有一个能量积累的过程,往往在震前几年就会出现前兆异常信息,尤其在震前几天还会陆续出现临震前兆异常,抓住这些信息对实现地震的预测预防极为重要.
Japan was hit by a massive 9.0-magnitude earthquake that triggered a tsunami 10-23.6 m high and leakiness of nuclear power on March 11,2011.This earthquake caused very heavy loss.The 9.0-magnitude epicenter has been located 38.1° N,142.6° E.As early as July 25,2008,Institute of Earthquake Prediction of Beijing University of Technology had made an internal earthquake prediction(Prediction of Strong Earthquake and Tsunami in Japan) based on five different types of precursor anomalies appearing at that time.Actual earthquake was just within the region of the prediction,and truly caused devastating Tsunami with a height of 10 m.Before the earthquake,five types of precursory signals were received.This shows that an earthquake above 7-magnitude is formed a energy accumulation process,and a few years ago some precursory information appear.Imminent anomalies will appear in succession a few days before earthquakes.Capturing this information for earthquake prediction prevention is very important.
Japan was hit by a massive 9.0-magnitude earthquake that triggered a tsunami 10-23.6 m high and leakiness of nuclear power on March 11,2011.This earthquake caused very heavy loss.The 9.0-magnitude epicenter has been located 38.1° N,142.6° E.As early as July 25,2008,Institute of Earthquake Prediction of Beijing University of Technology had made an internal earthquake prediction(Prediction of Strong Earthquake and Tsunami in Japan) based on five different types of precursor anomalies appearing at that time.Actual earthquake was just within the region of the prediction,and truly caused devastating Tsunami with a height of 10 m.Before the earthquake,five types of precursory signals were received.This shows that an earthquake above 7-magnitude is formed a energy accumulation process,and a few years ago some precursory information appear.Imminent anomalies will appear in succession a few days before earthquakes.Capturing this information for earthquake prediction prevention is very important.
引文
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[5]夏雅琴,崔晓艳,李均之,等.震前次声波异常信号的研究[J].北京工业大学学报,2011,37(3):463-469.XIA Ya-qin,CUI Xiao-yan,LI Jun-zhi,et al.Research ofabnormal infrasound signals before worldwide earthquakes[J].Journal of Beijing University of Technology,2011,37(3):463-469.(in Chinese)
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[9]LIU Cheng-yan,LIU Jann-Yenq,CHEN Wei-sheng,et al.An integrated study of anomalies observed beforefour major earthquakes:2004 Sumatra M9.3,2006Pingtung M7.0,2007 Chuetsu Oki M6.8,and 2008Wenchuan M8.0[J].Journal of Asian Earth Sciences,2011,41:401-409.
[2]LI Jun-zhi,BAI Zhi-qiang,CHEN Wei-sheng,et al.Strong earthquakes can be predicted:a multidisciplinarymethod for strong earthquake prediction[J].NaturalHazards and Earth System Sciences,2003(3):1-10.
[3]XIA Ya-qin,LIU Jann-Yenq Tiger,CUI Xiao-yan,et al.Abnormal infrasound signals before 92M=7.0 worldwideearthquakes during 2002—2008[J].Journal of AsianEarth Sciences,2011,41:434-441.
[4]陈维升.对日本一次中强地震的成功预测[J].北京工业大学学报,2005,31(6):670-672.CHEN Wei-sheng.Successfulprediction of an intermediate-strong earthquake occurred in Japan[J].Journal of BeijingUniversity of Technology,2005,31(6):670-672.(inChinese)
[5]夏雅琴,崔晓艳,李均之,等.震前次声波异常信号的研究[J].北京工业大学学报,2011,37(3):463-469.XIA Ya-qin,CUI Xiao-yan,LI Jun-zhi,et al.Research ofabnormal infrasound signals before worldwide earthquakes[J].Journal of Beijing University of Technology,2011,37(3):463-469.(in Chinese)
[6]李均之.虎皮鹦鹉异常行为与临震预测[J].北京工业大学学报,2008,34(2):217-219.LI Jun-zhi.Abnormal behaviors of budgerigar andimminent earthquake prediction[J].Journal of BeijingUniversity of Technology,2008,34(2):217-219.(inChinese)
[7]LI Jun-zhi,LU Shu-li,HUANG Xiang-ning,et al.Reducing seismic hazard andthe measurement of crustalstress[C]∥Fifth US National Conference on EarthquakeEngineering,Chicago,Illinois,July 10-14,1994:387-396.
[8]LI Jun-zhi,XIA Ya-qin,CHEN Wei-sheng,et al.Prediction of strong earthquakes in taiwan[G]∥ULUSOY,KUNDU H K.Future systems for earthquake earlywarning.New York:Nova Science Publishers,Inc,2008:111-126.
[9]LIU Cheng-yan,LIU Jann-Yenq,CHEN Wei-sheng,et al.An integrated study of anomalies observed beforefour major earthquakes:2004 Sumatra M9.3,2006Pingtung M7.0,2007 Chuetsu Oki M6.8,and 2008Wenchuan M8.0[J].Journal of Asian Earth Sciences,2011,41:401-409.
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