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Boulder Questions
During the fifth Seascape Alaska 3 expedition dive, we investigated a scarp feature that may be related to past landslide activity linked to a 1946 earthquake that caused a very large tsunami. Data collected during exploration of the headwall of the scarp could provide an important piece of this geologic puzzle and increase our understanding of geologic hazards overall.
Credit

Video courtesy of NOAA Ocean Exploration, Seascape Alaska