Earthquakes, Decoupled Faulting, and Tsunamis
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In Japanese, the word tsu means harbor, and nami means wave. Large earthquakes and landslides that occur under or near the ocean cause tsunamis. During the Sumatra-Andaman earthquake in 2004, the overriding plate slipped along the fault line, moving vertically away from the subducting plate, as shown in Figure 9.4.
Figure 9.4 Decoupled faulting which occurs along the Sumatra subduction
zone.
Source: Eric Geist, USGS Pacific Coastal and Marine Science Center, https://www.usgs.gov/media/images/decoupled-faulting
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Last modified: Friday, 7 April 2023, 3:05 PM