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Seattle Fault information


Seattle Fault
The Seattle Fault cuts across Puget Sound and into Seattle itself. Restoration Point in the foreground, Alki Point is barely seen at the right edge of the picture.
EtymologySeattle
Coordinates47°36′36″N 122°19′59″W / 47.610°N 122.333°W / 47.610; -122.333
CountryUnited States
StateWashington
CitiesSeattle
Characteristics
Part ofPuget Sound faults
Length70 km (43 mi)
Tectonics
PlateNorth American
StatusActive
Earthquakesc. 900 CE
TypeThrust fault
MovementReverse
AgeEocene-recent (40-0 Ma)

The Seattle Fault is a zone of multiple shallow east–west thrust faults that cross the Puget Sound Lowland and through Seattle (in the U.S. state of Washington) in the vicinity of Interstate Highway 90. The Seattle Fault was first recognized as a significant seismic hazard in 1992, when a set of reports showed that about 1,100 years ago it was the scene of a major earthquake of about magnitude 7 – an event that entered Native American oral traditions. Extensive research has since shown the Seattle Fault to be part of a regional system of faults.

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Seattle Fault

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The Seattle Fault is a zone of multiple shallow east–west thrust faults that cross the Puget Sound Lowland and through Seattle (in the U.S. state of Washington)...

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Puget Sound faults

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Island Fault (SWIF) Rogers Belt (Mount Vernon Fault/Granite Falls Fault Zone) Cherry Creek Fault Zone Rattlesnake Mountain Fault Zone Seattle Fault Tacoma...

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Tacoma Fault

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earthquake documented on the Seattle Fault 24 miles (38 km) to the north. The Tacoma Fault – actually a zone of connected faults – was first suspected from...

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Cascadia subduction zone

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depths. A damaging magnitude 7 interplate earthquake occurred on the Seattle Fault around 900–930 CE that generated 3 meters of uplift and a 4-5 meter...

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Seattle

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The 1965 quake caused three deaths in Seattle directly and one more by heart failure. Although the Seattle Fault passes just south of the city center,...

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New Madrid Seismic Zone

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Madrid Seismic Zone (NMSZ) (/ˈmædrɪd/), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes...

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List of fault zones

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This list covers all faults and fault-systems that are either geologically important[clarification needed] or connected to prominent seismic activity.[clarification...

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Ayahos

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by a Seattle Fault event around 900 CE. Buerge, D. M. (March 6, 1985), "Lost Seattle, our shameful neglect of a rich archeological past", Seattle Weekly...

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Lake Washington sunken forests

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forests were both a part of the scientific discovery of a major fault line under Seattle, Washington, and part of a timber piracy case in the late 20th...

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Fault tree analysis

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Fault tree analysis (FTA) is a type of failure analysis in which an undesired state of a system is examined. This analysis method is mainly used in safety...

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Puget Sound

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the south, the existence of a second fault, the Tacoma Fault, has buckled the intervening strata in the Seattle Uplift. Typical Puget Sound profiles of...

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Cougar Mountain

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edge of Cougar Mountain is distinct due to the Seattle Fault, which runs along I-90. The Seattle Fault caused a large earthquake approximately 1100 years...

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Lidar

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This combination was used most famously to find the location of the Seattle Fault in Washington, United States. This combination also measures uplift...

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Sleepless in Seattle

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Sleepless in Seattle is a 1993 American romantic comedy film directed by Nora Ephron, from a screenplay she wrote with David S. Ward and Jeff Arch. Starring...

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Toe Jam Hill

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geologic fault, now named the Toe Jam Hill Fault, north of the hill. It may intersect and may be secondary to the Seattle Fault. It was the first fault discovered...

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Haleets

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that were always on the shoreline, but tectonic activity around the Seattle Fault may have put Haleets in the intertidal zone. Bainbridge Island Historical...

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Pacific Northwest Seismic Network

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0–7.3 earthquake in about 900AD on the Seattle Fault. The M6.5 1965 Puget Sound earthquake shook the Seattle, Washington, area, causing substantial damage...

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Denali Fault

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The Denali Fault is a major intracontinental dextral (right lateral) strike-slip fault in western North America, extending from northwestern British Columbia...

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Casad Dam

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0.78 g peak acceleration in a maximum credible earthquake from the Seattle Fault which runs about four miles (7 km) away, on the north side of Green...

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2001 Nisqually earthquake

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a result of normal faulting within the descending slab, but it has not been possible to determine which of the two possible fault planes indicated by...

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Seattle Police Department

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The Seattle Police Department (SPD) is the principal law enforcement agency of the city of Seattle, Washington, United States, except for the campus of...

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Seattle Center Monorail

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The Seattle Center Monorail is an elevated straddle-beam monorail line in Seattle, Washington, United States. The 0.9-mile (1.4 km) monorail runs along...

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Willows Beach

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"Indian Bowls". North West Coast Archaeology. Retrieved 3 June 2016. "Seattle Fault Zone – 900–930 AD earthquake larger than previously thought". Phys.org...

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1958 Lituya Bay earthquake and megatsunami

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XI (Extreme). The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 30 million cubic meters (40 million cubic yards)...

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