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 Navigation Company the Puget Sound Navigation. It is unclear when the subsidiary was created. In 1936 R.J. Acheson purchased the subsidiary. In 1952, Acheson and his wife organized a new subsidiary of Black Ball Freight Service, naming it Black Ball Transport, Inc. By 2008 Black Ball Transport was renamed to its current name. Black Ball Freight Service ended in 2008. The Neah Bay Dock Company was a subsidiary of the Puget Sound Navigation Company. In 1929 the Neah Bay Dock company owned a wharf and a hotel in Neah Bay, Washington. Puget Sound Navigation Company The Puget Sound Navigation Company (PSNC) was