Puget Sound faults
The Puget Sound faults under the heavily populated Puget Sound region (Puget Lowland) of Washington state form a regional complex of interrelated seismogenic (earthquake-causing) geologic faults. These include (from north to south, see map) the:
- Devils Mountain Fault
- Strawberry Point and Utsalady Point faults
- Southern Whidbey Island Fault (SWIF)
- Rogers Belt (Mount Vernon Fault/Granite Falls Fault Zone)
- Cherry Creek Fault Zone
- Rattlesnake Mountain Fault Zone
- Seattle Fault
- Tacoma Fault
- Saddle Mountain Faults
- Olympia structure (suspected fault)
- Doty Fault
- Saint Helens Zone and Western Rainier Zone
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