摘要
通过对1485年以来山西地震带、河北平原地震带及郯庐地震带5级以上地震时序的分析,认为这三个地震带活跃时段依次滞后,并且对滞后原因进行了探讨;之后对1900年以来三地震带作时序分析,认为山西地震带和河北平原地震带彼此交替活跃,郯庐带与河北平原带则同步活跃。山西地震带ML4级以上地震与山东内陆5级左右地震相关性较好,山东内陆发生5级左右地震的可能性增大,河北平原带为未来华北地区5级以上地震活动主体。
The earthquake sequences of seismic belts of Sanxi,Hebei Plain and Tanlu since 1485 are analyzed.The time lag existed among these three seismic belts.The reason is discussed in this paper.Based on the discussion mentioned above,the earthquake sequences of these three seismic belts since 1900 are analyzed as well.There is an alternate seismicity between Sanxi and Hebei Plain.Also there is synchronization seismicity between Tanlu seismic belts and Hebei Plain.There is a relative relationship between Sanxi and Sandong seismic belts with the magnitude of M4.0 or over.The possibility of earthquake of M5.0 increases.The main active region of earthquake with M5.0 will be Huabei Plain.
出处
《四川地震》
2011年第3期32-36,共5页
Earthquake Research in Sichuan
关键词
地震带
相关性
趋势预测
seismic belt
relative relationship
tendency forecast
