求翻译：使表土松垮和崩裂。地震的晃动使表土下沉，浅层的地下水受挤压会沿地裂缝上升至地表，形成喷沙冒水现象。大地震能使局部地形改观，或隆起，或沉降。使城乡道路坼裂、铁轨扭曲、桥梁折断。在现代化城市中，由于地下管道破裂和电缆被切断造成停水、停电和通讯受阻。煤气、有毒气体和放射性物质泄漏可导致火灾和毒物、放射性污染等次生灾害。在山区，地震还能引起山崩和滑坡，常造成掩埋村镇的惨剧。崩塌的山石堵塞江河，在上游形成地震湖。是什么意思？

The topsoil loose and cracked. Earthquake shaking topsoil sinking of shallow groundwater by squeezing up to the surface along cracks, the formation of the sandblasting take water phenomenon. The local topography of a major earthquake can change or uplift or subsidence. Crack crack urban and rural ro

The loose topsoil and crack. Earthquakes shake the topsoil layer is sinking, the groundwater will be along to squeeze crack up to the surface to form a spray water out. The earthquake changed the local terrain, or bumps, or settlement. For the urban and rural roads, rail splitting 坼 twist, broken br

The loose topsoil and breakup. Earthquake shook the surf