Assertion: magnitude earthquake | /r/CapableOf | rattle the seattle region
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text: The average duration of strong shaking in Seattle is about 100 seconds, about four times as long as from the 2001 Nisqually earthquake," the magnitude 6.8 earthquake that rattled the Seattle region, study collaborator Art Frankel, a USGS seismologist and affiliate faculty member at the University of Washington, said in a statement.