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Unformatted text preview: You decide that this sounds a little farfetched because __________________. A. tsunami usually occur only in the Indian Ocean and Caribbean Sea B. tsunami are rarely felt in deep water because they have long wavelengths and low heights C. the ship could not have survived passing through a major tsunami in the open ocean D. earthquakes do not occur in deep ocean waters E. the captain did not describe any tremors or shaking associated with an earthquake 20. The great 1960 Chile earthquake (M 9.5) unleashed a tsunami that killed over 1,000 Chileans. These waves also killed 61 people in Hilo, Hawaii, 14 hours after the earthquake, and another 185 people in 4 GO125Natural Disasters, Final exam, CS Verma Park University ________, 22.5 hours after the earthquake. A. California B. Alaska C. Japan D. Australia E. the Philippines 21. Detailed mapping of the ocean bottom around the Hawaiian Islands revealed a previously unrecognized tsunami source. What did geologists discover on the seafloor in this area? A. a major undersea volcano B. a huge undersea meteor crater C. a deep ocean trench along a subduction zone D. a system of major oceanic transform faults E. slumps and debris avalanches formed by volcanic flank collapse 22. Geologists have shown that the east coast of the United States faces a serious tsunami threat from ________. A. large earthquakes offshore of Portugal B. volcanic flank collapse in the Canary Islands C. break up of Antarctic ice shelves D. meteor impact in the Mediterranean Sea E. landslides along the white cliffs of Dover 23. In the last 5.5 million years, rifting action has torn Baja California and California west of the San Andreas Fault (including San Diego, Los Angeles, and Santa Cruz) from the ______________. A. Pacific plate and piggybacked them onto the Juan de Fuca plate B. Pacific plate and piggybacked them onto the North American plate C. North American plate and piggybacked them onto the Juan de Fuca plate D. North American plate and piggybacked them onto the Pacific plate E. Nazca Plate and piggybacked them onto the Cocos plate 24. We know that the part of California on the Pacific plate will not break off in a giant earthquake and sink into the Pacific Ocean because ______________________. A. the Pacific plate is being subducted beneath California instead B. the San Andreas Fault is a thrust fault, not a normal fault C. of isostasy D. convective forces E. oceanic circulation 25. In the 1989 Loma Prieta quake, the Marina District building collapses were extensive, and numerous destructive fires broke out, due to all but which one of the following? A. amplified shaking 5 GO125Natural Disasters, Final exam, CS Verma Park University...
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