Most of the great earthquakes occurred in Chinese and foreign history are shown in table 2-4 to 2-8.
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![](/static/upload/29/2931f9b8-eef1-11e8-8fca-00163e0618d6.png)
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![](/static/upload/67/679fdb6a-eef2-11e8-b4f7-00163e0618d6.png)
Questions
- How did earthquakes happen? Analyze the reasons of Wenchuan and Yushu earthquake.
- Why was the energy released by a magnitude 8 earthquake equal to the energy released by 32 magnitude 7 earthquakes and 1000 magnitude 6 earthquakes?
- Which earthquake has the largest number of deaths in human history?
- What should you do and should not do in an earthquake?
- How much energy was released by the Wenchuan earthquake?
- Why are there so many casualties in Wenchuan earthquake?
- Which buildings are ancient architectural wonders? In addition to the Pyramid, when were they destroyed by earthquakes?
- How do we understand that seismic waves are elastic waves?
- What inspiration does the calm and orderly public show to the Chinese public after the earthquake in Japan on March 11, 2011?
- Great earthquake disasters often cause huge losses, what are the effective ways to mitigate the losses caused by earthquake disasters?