华安汰内井映震特征分析
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摘要
对华安汰内井水氡、水电导率测值进行分析,得出各测项对中国台湾M_S≥7强震和福建内陆4级以上地震的映震特征,结果发现:①去除年动态规律后,水氡测值在中国台湾M_S≥7强震前多表现为高值异常,异常持续时间大多在半年以上,异常结束到发震时间间隔较短;②在2007—2008年发生的8次福建内陆4级地震前,水氡原始日值表现为短临或临震异常,尤其是分布在永安-晋江断裂带及附近的几次地方震前,表现出较好的重复性;③在部分中国台湾强震和福建省中等地震前,水电导率月测值多在震前1—2个月出现高值突跳,异常幅度大多达到3倍均差以上。
Based on analyzing the observations of radon and conductivity in Tainei well in Huaan,the reflection characteristics of M_s≥7 strong earthquake in Taiwan,China,and M 4.0 earthquake in Fujian Province inland are educed;①The radon's value shown high value anomaly after wiping off year law before M_s≥7 strong earthquake in Taiwan,China,and it lasts more than six months,the time interval between the end of anomaly and the happens of earthquake is short;②The short-term abnormities of the raw data of radon occurred before 8 times earthquakes in Fujian Province inland during 2007—2008.especially those distributed along the Yong'an-Jinjiang fault zone and its nearby areas showed good reproducibility; ③Before the parts of strong earthquake in Taiwan and M4.0 earthquake in Fujian Province inland,the conductivity of water showed high value for 1—2 months with amplitude three times more than deviation.
Based on analyzing the observations of radon and conductivity in Tainei well in Huaan,the reflection characteristics of M_s≥7 strong earthquake in Taiwan,China,and M 4.0 earthquake in Fujian Province inland are educed;①The radon's value shown high value anomaly after wiping off year law before M_s≥7 strong earthquake in Taiwan,China,and it lasts more than six months,the time interval between the end of anomaly and the happens of earthquake is short;②The short-term abnormities of the raw data of radon occurred before 8 times earthquakes in Fujian Province inland during 2007—2008.especially those distributed along the Yong'an-Jinjiang fault zone and its nearby areas showed good reproducibility; ③Before the parts of strong earthquake in Taiwan and M4.0 earthquake in Fujian Province inland,the conductivity of water showed high value for 1—2 months with amplitude three times more than deviation.
引文
福建省地震局.福建省地震监测志[M].北京:地震出版社,2005:243-246．
廖丽霞,陈琳,张锦福.福建地区流体台网中国对台湾7级地震有效映震因此分析[J].地震,2006,27(4) :95-103．
张清秀,陈懿德.乌鸦嘴泉水氡动态异常与恒春海域强震的关系[J].地震地磁观测与研究,2007,28(5) :162-167．
廖丽霞,陈琳,张锦福.福建地区流体台网中国对台湾7级地震有效映震因此分析[J].地震,2006,27(4) :95-103．
张清秀,陈懿德.乌鸦嘴泉水氡动态异常与恒春海域强震的关系[J].地震地磁观测与研究,2007,28(5) :162-167．
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