【摘要】 在分析地震大地电磁场异常机理的基础上,利用大地电磁仪在安县地震台进行汶川大地震后余震观测,获得了观测期间余震的电磁场异常,分析了其中三次较大余震的电磁场数据,总结了发震时大地电磁场异常的特征。更多还原

【Abstract】 In the foundation of analysis earthquake electromagnetic field abnormal mechanism’s,using the earth electromagnetism meter carries on the Wenchuan big earthquake after AnXian seismological station the aftershock observation,obtained the observation period aftershock electromagnetic field to be abnormal,has analyzed three times big aftershock’s electromagnetic field data,summarized shook when the earth electromagnetic field abnormal characteristic.更多还原