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通过双差定位法,对江苏及邻域1990-2012年地震事件进行重新定位,其中包括部分人工爆破和塌陷事件;结果显示重新定位后的爆破和塌陷事件震源深度都有了明显改善;地震在空间分布上更加集中,部分地震有向构造带趋近的变化,较多的地震呈丛集状出现,震源深度主要集中在5~25km范围之内。落
The earthquakes that occurred in the area of Jiangsu area and adjacent region from 1990 to 2012 were relocated with the double difference algorithm,events include artificial blasting and collapse;The result after showed the relocated artificial blasting and collapse event depth of origin all had the distinct improvement;The earthquake is more centralized in the spatial distribution, while the earthquakes in a part of areas get close to tectonic belts,many earthquakes assume the crowding together shape appearance,The earthquakes depth mainly concentrates in 5~25km scopes.