*Pacific Science Center: Geology of Puget Sound*USGS:Puget Sound earthquake origins*Features of Puget Sound Region: Oceanography And Physical Processes, Chapter 3 of the State of the Nearshore Report, King County Department of Natural Resources, Seattle, Washington, 2001.
* Pacific Science Center: Geology of Puget Sound* Features Of Puget Sound Region: Oceanography And Physical Processes, Chapter 3 of the State of the Nearshore Report, King County Department of Natural Resources, Seattle, Washington, 2001.