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Evidence for liquefaction and flooding in the past 1,000 years along the Duwamish River, Seattle, Washington
Geology along the Duwamish waterway, south of downtown Seattle, provides preliminary clues to the city’s earthquake and tsunami hazards. The banks of the dredged waterway expose the muddy deposits of an estuary that formerly drained Mount Rainier. Different outcrops expose evidence for former events. So far, inferred ...