A U.S. Coast Guard HH-60 Jayhawk helicopter, from Air Station Astoria, drops a rescue diver into Slusher Lake at Camp Rilea, in Warrenton, Oregon, during the Pathfinder-Minutemen Exercise, Aug. 5, 2015 at Camp Rilea in Warrenton, Ore. The annual event is a joint multi-agency, multi-state disaster preparedness exercise based on response to a possible Cascadia Subduction Zone event. Officials believe the Northwest is overdue for a magnitude 7.0 or greater earthquake. (U.S. Air National Guard photo by Tech. Sgt. John Hughel, 142nd Fighter Wing Public Affairs/Released)

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