TY  - RPRT
TI  - Preliminary estimates of the strength of prehistoric shaking in the Columbia River valley and the southern half of coastal Washington, with emphasis for a Cascadia subduction zone earthquake about 300 years ago
AU  - Stephen F. Obermeier
PY  - 1995
DO  - 10.3133/ofr94589
UR  - https://pubs.usgs.gov/publication/ofr94589
ID  - ofr94589
ER  -