Puget Sound faults about 1100 years ago (AD 900—930) an earthquake of magnitude 7+ uplifted Restoration Point and Alki Point, dropped West Point (the three white triangles in the Seattle Basin on the map), caused rockslides in the Olympics, landslides into Lake Washington, and a tsunami on Puget Sound. It extends as far east as (and probably terminates at) the Rattlesnake Mountain Fault Zone (RMFZ; the southern extension of the SWIF) near Fall City. This seems geologically reasonable, as both the SWIF and RMFZ appear to be the contact between Tertiary Crescent Formation basement of Puget Sound on the west and the older
Puget Sound and Pacific Railroad Puget Sound and Pacific Railroad The Puget Sound and Pacific Railroad operates over 150 miles of track serving the U.S. State of Washington, and is headquartered in Centralia, Washington where interchanges with the BNSF Railway and Union Pacific Railroad are made. The company began operations on August 30, 1997, when the line was purchased from the Burlington Northern Santa Fe Railway (BNSF) by the ParkSierra Railgroup, which also formed the Arizona and California Railroad and the California Northern Railroad. The ParkSierra Railgroup was purchased in January 2002 by RailAmerica. In 2012, RailAmerica was purchased by Genesee and Wyoming Inc with