1. Which of the following best describes an earthquake?

2. What do scientists call the boundary between two tectonic plates?

3. What are the smaller earthquakes that occur before a large earthquake called?

4. What are the shock waves caused by an earthquake that travel through the ground called?

5. What does the Moment Magnitude Scale measure?

6. What would you expect to occur from an earthquake that measured 3 on the MMS scale?

7. What would you expect to occur from an earthquake that measured 9 on the MMS scale?

8. What is the location deep inside the Earth were the earthquake began called?

9. What is the location on the Earth's surface above where the earthquake began called?

10. What US state has the most earthquakes?