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如何预防地震引发的次生地质灾害?
人参与 | 时间:2024-09-22 09:59:08
地震是何预地面迅速振动,是防地一种较为普遍的自然现象。地震的震引灾害
内在原因是地壳内部积累的应力突然释放或人为原因引起地球表面振动。它具有突发性,次生频度较高,地质并产生严重次生地质灾害。何预
地震的防地直接地质灾害:地震造成建筑物破坏以及山崩、滑坡、震引灾害泥石流、次生地裂、地质地陷、何预
喷砂、防地砂土液化、震引灾害冒水等地表的次生破坏和海啸。
地震的地质次生地质灾害:主要指地震引起的继发性崩塌、滑坡、塌陷、地裂缝。由于地震震动造成山体岩土体松散,特别是伴随降雨极有可能引发泥石流、崩塌、滑坡等多种次生地质灾害。
面对地震引发的次生地质灾害,我们要结合当地实际,对于易发生滑坡、崩塌和泥石流的地区及时组织群众转移到安全地方。同时针对地震情况开展地质灾害点巡查调查工作,特别是对地震危险区内的地质灾害调查,这将为减轻地震引发的滑坡、崩塌等次生灾害损失打下基础。
同时,对地震区域内的地质灾害隐患点、高陡斜坡、陡坎、古泥石流堆积区做好巡查、加密监测、及时预警,切实做好防范工作。如遇临灾险情时采取避让措施,避免人员伤亡。相关部门要确保通讯畅通,接到地质灾害险情和灾情报告后,要及时核送信息,并以最快的速度赶赴险情和灾情现场,力求把灾害损失降到最低。雅安市国土资源局
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