Hidden earthquake faults revealed at Mount Hood, Oregon. Updated: Aug. 30, 2011, 2:13 a.m. ... The recently discovered Blue Ridge Fault at Mount Hood is about 10 miles west of Parkdale.

The Mount Hood faults are capable of producing a 7.2 magnitude quake, researchers said in a news release, larger than the Loma Prieta earthquake that struck San Francisco in 1989, causing dozens ...