【摘要】 2000年姚安5.9、6.5级地震以来,楚雄区域中强地震活动呈现频次高、强度大、范围广的现象。通过对楚雄区域中强地震活动进行研究,得出以楚雄-南华地震带为活动主体的楚雄区域中强地震活跃,楚雄地震带南段和北段6.0级以上地震活动存在互相呼应、相继活动的现象;20世纪,云南7.0级强震活动时段,楚雄区域中强地震在时、空、强分布上的相关特征。更多还原

【Abstract】 Since the M 5.9 and M 6.5 earthquakes of Yao’an,strong earthquakes in Chongxiong region have been frequently,intensely attacking in a wide range.Researches find: medium and strong earthquakes are active in the Chuxiong-Nanhua seismic zone;M>6.0 earthquakes in the south and north sections correspond and reinforce each other;in the 20th century,M 7.0 earthquakes in Yunnan share the time,space and strength features with those in Chuxiong region.更多还原