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 Naval Shipyard Historic District began. Since 1961, Puget Sound has been engaged in the repair of both conventional and nuclear-powered aircraft carriers, surface ships, and submarines. The Puget Sound Naval Shipyard contains five historic districts: These five units are a comprehensive representation of the historic features of the naval shipyard. Puget Sound Naval Shipyard Historic District Puget Sound Naval Shipyard is a large military industrial complex located in Bremerton, Washington along the north shore of Sinclair Inlet, which opens to Puget Sound. This large shipyard is in length along the shore and over a half-mile in width at its greatest distance across. The shipyard