COLLEGE STATION, - Off the country's Pacific coast, an undersea subduction zone stretches unseen from Canada's Vancouver Island to California's Cape Mendocino. This Cascadia subduction zone, long thought to be strangely dormant, presented an enigma to earthquake scientists. But now paleoseismologists - researchers who study ancient quakes - have put together clues that indicate the zone's fault was active as recently as 300 years ago.
The above story is based on materials provided by Texas A&M University. Note: Materials may be edited for content and length.
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