Compared to Earthquake A, Earthquake B had ____ the wave amplitude:
30X
100X
1,000X
9,000X
27,000X

2. Using the same data as are presented in Question #1, compared to Earthquake A, Earthquake B resulted in a release of approximately ________ more energy:
30X
100X
1,000X
9,000X
27,000X

3. An earthquake occurs in Japan. Seismograph stations on the opposite side of the Earth (i.e. 180 degrees away) record:
P and S waves
P waves, only
S waves, only
S and L waves
no waves

4. The most destructive of seismic waves are:
P waves
S waves
L waves
X waves
Z waves

5. Body waves include:
L waves, only
P waves, only
S waves, only
P and S waves
L and S waves

6. Where is the epicenter of an earthquake relative to its focus?:
Directly above
Directly below
At one and the same position
On the opposite side of the Earth
At either the North or South rotational pole

7. Which one of the following statements is TRUE about a seismograph station?:
It measures Mercalli intensity.
Only one station is required to locate an epicenter.
They are most accurate when positioned in the shadow zone of an earthquake.
It measures differential arrival times of P and S waves.
Its primary purpose is to measure L waves.

8. In the shadow zone:
both S and P waves are recorded
neither S nor P waves are recorded
only S waves are recorded
only P waves are recorded
L waves cause their greatest damage

9. S waves:
are responsible for most of the damage from an earthquake
travel along the Earth's surface
are recorded in the shadow zone
are measured to estimate an earthquake's Mercalli index
cannot be transmitted through a liquid

10. The practical upper limit of the Richter Scale is about:
2
5.5
9.5
100
3560