Fill-In-The Blanks for Earthquakes - Chapter 16

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1. The point on the surface of the Earth immediately above the focus is the ________ . .

2. P waves travel with a _________ velocity than S waves. .

3. The _____________ scale measures an earthquake's intensity based on the observed effects on people and structures. .

4. Rock particles move __________ to the direction of wave travel when an S wave passes through the rock. .

5. The shear modulus of a liquid is ________ .

6. Who developed the procedure used to measure the amount of energy released by an earthquake? .

7. The ______________ rebound theory describes the build up and release of stress during an earthquake.

8. _________ faults are associated with the development of an active spreading center. .

9. ____________ faults often offset segments of an active spreading center. .

10. A major earthquake at _________ Missouri is the largest to have "hit" the United States .

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