TY - BOOK AU - Obermeier, Stephen F. CN - I 19.76: CY - [Reston, VA : DA - 1995. ID - 219657 KW - Paleoseismology KW - Paleoseismology KW - Earthquakes KW - Earthquakes KW - Subduction zones KW - Subduction zones N1 - Cover title. N1 - Imprint from transmittal sheet. PB - U.S. Geological Survey], PP - [Reston, VA : PY - 1995. T1 - 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 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 ER -