6. The tsunami that hit the Indian Ocean in 2004 was caused by an earthquake off the coast of:
a) Indonesia
b) Thailand
c) Sri Lanka
d) India
Answer: a) Indonesia
7. Which type of earthquake waves cause the most destruction?
A) P-waves
B) S-waves
C) L-waves
D) R-waves
Answer: C) L-waves
8. What is the measure of the strength of an earthquake called?
A) Magnitude
B) Intensity
C) Richter scale
D) Seismograph
Answer: A) Magnitude
9. What is the name of the scale used to measure the magnitude of an earthquake?
A) Mercalli scale
B) Seismograph scale
C) Richter scale
D) Volcano scale
Answer: C) Richter scale
10. Which of the following is NOT a primary wave?
A) P-wave
B) S-wave
C) L-wave
D) R-wave
Answer: D) R-wave
