Question 1
What is the probability that a large earthquake (M > 6.7) will occur in the San Francisco area between 2003 and 2032?
◦ 62%
◦ 85%
◦ 44%
◦ 23%
Question 2
Which of the following is
not a way that seismic waves travel in the earth?
◦ refraction
◦ diffraction
◦ reflection
◦ diffusion