Earthquake， also known as ground motion and ground vibration， is a natural phenomenon that seismic waves will be produced during the vibration caused by the rapid release of energy from the earth's The main cause of earthquake is the collision between plates and the dislocation between 地震，又称地动、地振动，是地壳快速释放能量过程中造成的振动，期间会产生地震波的一种自然现象。地球上板块与板块之间相互挤压碰撞，造成板块边沿及板块内部产生错动和破裂，是引起地震的主要原因。地动：earthquake地壳 ：crust of the earth ; the earth's crust
Hello， Today I want to give you a lecture about the donation to southeast A On December 26th， 2004， a great tsunami attacked southeast A More than 16，000 people died in the terrible disaster， millions of people lost their families and needed The people in the disaster area are suffering a loss of wealth， food and even It’s our duty to give them a hand and deliver them from the Sine the tsunami broke out， the Red Cross Society of China have already gained 16 billion So if you see what I see， if you feel as I feel， then please donate something that shows your love to the people in the disaster People in Southeast Asia may never know your name， but what you have done will change their 还有一篇作参考：Virtual Earthquake is an interactive Web-based activity designed to introduce you to the concepts of how an earthquake EPICENTER is located and how the RICHTER MAGNITUDE of an earthquake is The Virtual Earthquake program is running on a Web Server at California State University at Los A You can interact with Virtual Earthquake using either a Netscape or Internet Explorer Web Browser running on Macs or PC NEW: A completely revised version of Virtual Earthquake can be found HERE This new applet-based version is more inquiry-based than the original version and contains tools so instructors can assess student Currently it runs only under IE on PC
