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矿震是怎么回事

更新时间: 2021-03-22 01:40:25     

1、矿震是指矿区开采人为地改变了原本稳定的地壳结构,导致地壳不均引发地震。

2、在地下开矿挖井时形成大面积空洞,受局部构造应力、采挖附加应力和大地应力场变化的影响,于局部地带形成高应力集中区,在一定的诱发条件下,急剧而猛烈地释放出来,引起强烈的地面晃动和摇动。

关键词: 怎么 回事

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