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Geophysical Investigation of a Geologic Unconformity at Seward Park - Seattle, WA
This report presents the results of field and geophysical analyses of a geologic unconformity located within Seattleís Seward Park. The unconformity consists of an apparently abrupt contact between Quaternary Vashon till in the north and Tertiary bedrock to the south. Seward Park is located in the middle of the Seattle Fault ...
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 ...