【摘要】 2008年8月30日,攀枝花市与西昌市会理县交界处发生了6.1级地震,在这次地震前,攀枝花川-05井的数字气氡出现了明显的异常变化。综合分析认为,气氡观测存在短期、临震异常的同时,还存在中期趋势异常。本文主要对8月30日地震前,气氡观测资料的异常、机理及有关问题进行了分析和讨论。更多还原

【Abstract】 An M6.1 earthquake struck the boundary between Panzhihuan City and Huili County on 30 August 2008.Before this earthquake,the content of the escaped gas radon from ground water shows a clear change.After this earthquake we think that the content of the escaped gas radon from ground water show a middle-term abnormal,short-term and impending abnormal change.We call these abnormal changes the near earthquake hypocenter and discuss these problems.更多还原