Which wave would cause the most significant damage?

Watch the following videos about earthquakes and answer the questions below. You may need to check the textbook and additional resources.

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1) What are the four types of seismic waves? Please compare their traveling speeds. Which wave would cause the most significant damage?
2) If you are inside a building, what should you do when an earthquake strikes? I consider the information on this website to be trustworthy: http://www.ready.gov/earthquakes
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3) If you are driving on the highway toward a bridge and an earthquake strikes, what should you do? If you are sleeping at night and an earthquake strikes, what should you do?
4) Please share any personal experience you or your friend have with earthquakes, if any. What safety suggestions would you give to your fellow classmates based the experience? If you have not experienced any earthquake, what would be the safety tips you think most important we learned this week?
For those who are interested in knowing more about earthquake safety, I find the following training videos are also useful. Viewing is optional.

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and

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