Earthquake Hazard and Risk Assessment and

Earthquakes and landslides pose great risks to Oregonians. Over the last 15 years, scientists have learned that Oregon has experienced many damaging earthquakes in the past (Atwater, 1987; Heaton and Hartzell, 1987; Weaver and Shedlock, 1989). Great Cascadia subduction earthquakes have occurred many times in the past, most recently o