遼寧營口發生4.3級地震英語作文

4, 12 noon 25 points, yingkou city, liaoning province gaizhou city (40.5 degrees north latitude, 122.4 degrees east longitude) an earthquake of magnitude 4.3, a depth of 6 km. Shenyang, dalian, anshan, liaoyang, file, fushun, benxi, such as more netizens said was felt.

Earthquake is also called the ground shaking, to vibration, is the rapid release of energy in the process of earth's crust caused vibration, generates seismic waves during a natural phenomenon. Earth jostling each other between plate and plate, plate edge and plate internal produce dislocation and fracture, is the main cause of ground vibration (earthquake).

Started happening earthquake site is called the source, the source is directly above the ground is called the epicenter. The devastating earthquake ground vibration called the magistoseismic area, the most strong place magistoseismic area that is often the epicenter area [2]. Earthquake often cause serious casualties, can cause fires, floods, poisonous gas leak, the proliferation of bacteria and radioactive substances, can also cause tsunamis, landslide, collapse, ground cracks and other secondary disasters.

4日中午12時25分，遼寧省營口市蓋州市(北緯40.5度，東經122.4度)發生4.3級地震，震源深度6千米。瀋陽、大連、鞍山、遼陽、本溪、撫順、盤錦等多地的網友表示有震感。

地震又稱地動、地振動，是地殼快速釋放能量過程中造成振動，期間會產生地震波的.一種自然現象。地球上板塊與板塊之間相互擠壓碰撞，造成板塊邊沿及板塊內部產生錯動和破裂，是引起地面震動(即地震)的主要原因 。

地震開始發生的地點稱為震源，震源正上方的地面稱為震中。破壞性地震的地面振動最烈處稱為極震區，極震區往往也就是震中所在的地區[2] 。地震常常造成嚴重人員傷亡，能引起火災、水災、有毒氣體洩漏、細菌及放射性物質擴散，還可能造成海嘯、滑坡、崩塌、地裂縫等次生災害。