TY - RPRT TI - Great earthquakes of variable magnitude at the Cascadia subduction zone AU - A.R. Nelson AU - H.M. Kelsey AU - Robert C. Witter PY - 2017 DO - 10.1016/j.yqres.2006.02.009 UR - https://pubs.usgs.gov/publication/70030439 ID - 70030439 ER -