1. What are the strengths and weaknesses of the Modified Mercalli Scale? 2. What is the source of data from "Do you feel it?' maps and "ShakeMaps ?"
3. Why does the USGS want many people to fill out the Do You Feel It questionnaire?
4. What are 4 earthquake hazards talked about in the reading?
5. What states are high on the Seismic Hazard map that are closest to lowa?
6. Why did Mexico City have more damage in 1985 than the epicenter 300km away?
7. A Tsunami Warning System has been set up around the Pacific Ocean. Why is this system
of little help to people close to the epicenter?
8. Why did the Marina District experience more damage in the 1989 earthquake?
9. The Richter scale is measured by what instruments? It ranks earthquakes by what?
10. Why is it possible to have the same earthquake with different magnitude values ?