# Earthquake Practice Test

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|Top of Form Earthquakes Practice Test Your score was 39%. You answered 7 correct and 11 incorrect. 1. What is the probability of earthquake occurrence based on? a. strain buildup only b. location of foci c. magnitude of P-waves [pic] d. reoccurrence rates of earthquakes in an area and the rate of strain buildup 2. What are most earthquakes associated with? a. rift valleys b. mid-ocean ridges c. divergent plate boundaries [pic] d. plate boundaries 3. At what point in the graph would a rock be permanently deformed? [pic] a. at the start of the stress [pic] b. past…show more content…
Tension [pic] d. Compression 6. What is Earth's core composed of? [pic] a. hydrogen and iron b. magnesium and silicon [pic] c. iron and nickel d. nickel and silicon 7. A large ocean wave that is generated by vertical motions of the seafloor during an earthquake is called a(n) __________. a. upwelling current b. seiche [pic] c. tsunami d. tidal range 8. According to the map, at which latitude and longitude is most likely to experience an earthquake? Click here for figure [pic] a. 30 S, 60 W b. 0 N, 180 W c. 60 N, 120 E [pic] d. 0 N, 30 W 9. How many times larger is a magnitude 3 than a magnitude 1 earthquake on the Richter scale? [pic] a. 10 times b. 100 000 times c. 1/10 times [pic] d. 100 times 10. Why are three circles needed to determine the epicenter, as shown in the figure? [pic] [pic] a. If only two circles are used, there are two possible locations. b. The more measurements, the…show more content…
According to the map, a seismic station in which city would be the first to detect seismic waves from an earthquake occurring in Mexico City? [pic] a. Chihuahua b. Houston c. Boulder [pic] d. Acapulco 12. Why does knowledge of Earth's interior come from seismic waves? [pic] a. They change speed and direction when they encounter different materials. [pic] b. They change type when they encounter different materials. c. They change speed only when they encounter different materials. d. They change direction and intensity when they encounter different material. 13. What are shallow, intermediate, and deep earthquake classifications based on? [pic] a. frequency of the largest wave b. the amount of damage [pic] c. the depth of the focus d. amplitude of the largest wave 14. According to the seismogram shown in the figure, which wave is the fastest? [pic] a. Tidal wave b. Surface wave [pic] c. P-wave d. S-wave 15. What is the study of earthquakes