關于地震的英語作文

關于地震的英語作文

　　題目：What is earthquake?

　　內容：An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves(地震波). Earthquakes are recorded with a seismometer(地震檢波器), also known as a seismograph(地震儀). The moment magnitude of an earthquake is conventionally reported, or the related and mostly obsolete Richter magnitude(里氏量級), with magnitude 3 or lower earthquakes being mostly imperceptible 感覺不到的 and magnitude 7 causing serious damage over large areas. Intensity of shaking is measured on the modified Mercalli scale(麥加利震級, 麥氏震級).

　　At the Earth's surface, earthquakes manifest themselves by a shaking and sometimes displacement (位移)of the ground. When a large earthquake epicenter (震中)is located offshore, the seabed sometimes suffers sufficient displacement to cause a tsunami(海嘯). The shaking in earthquakes can also trigger landslides and occasionally volcanic activity.

　　關于地震的英語作文僅供交流參考，希望大家了解更多的地震知識并在生活中及時了解這些現象!

　　In its most generic sense, the word earthquake is used to describe any seismic event—whether a natural phenomenon or an event caused by humans—that generates seismic waves. Earthquakes are caused mostly by rupture(破裂, 裂開) of geological faults(斷層), but also by volcanic activity, landslides, mine blasts, and nuclear experiments.

　　An earthquake's point of initial rupture is called its focus or hypocenter. The term epicenter means the point at ground level directly above this.

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