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The Seattle Fault is a zone ... islands. Puget Sound Tsunami Inundation Modeling (NOAA) Elliott Bay inundation map (DNR) Tsunami Hazard Map of the Elliott Bay Area ...
The Seattle Fault was first identified in 1965 [108] but not documented as an active fault until 1992 with a set of five articles establishing that 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 ...
The Tacoma Fault Zone marks the south end of the Seattle Uplift, of which the similar and related Seattle Fault Zone marks the north end. This uplift is believed to be either a slab of rock about 15 km thick being pushed up a ramp, or a wedge being popped up between these two faults, by tectonic forces from the south or south-west as tectonic plates riding on top of the Juan de Fuca plate are ...
San Francisco's Treasure Island, an artificial island built by the Army Corps of Engineers in the 1930s, is in the tsunami hazard area. (California Geological Survey) The Bay Area shoreline
A 2021 map showing how a tsunami could impact San Francisco was thrust back into the spotlight after a 2024 earthquake. ... A 2021 map shows the impact of a tsunami hitting the San Fransisco area ...
The last tsunami warning in the San Francisco Bay Area followed a 9.1 earthquake in Tohoku, Japan that sparked a major nuclear accident at the Fukushima-Daiichi nuclear power plant in March 2011 ...
Damaging earthquakes are well known in the Pacific Northwest, including several larger than magnitude 7, most notably the M9 1700 Cascadia earthquake and the M7.0–7.3 earthquake in about 900AD on the Seattle Fault. The M6.5 1965 Puget Sound earthquake shook the Seattle, Washington, area, causing substantial damage and seven deaths. This event ...
The last tsunami to hit California was in January, after a volcanic eruption in the South Pacific Ocean near Tonga sent 2-foot tsunami waves barreling through the Bay Area more than 5,000 miles away.