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NOAA tsunami energy map. An upthrust of 6 to 8 meters (20 to 26 ft) along a 180-kilometer (110 mi)-wide seabed at 60 kilometers (37 mi) offshore from the east coast of Tōhoku [134] resulted in a major tsunami that brought destruction along the Pacific coastline of Japan's northern islands. Thousands of people died and entire towns were devastated.
The post-Big One tsunami would take hours to work its way into Puget Sound, Bodin said. Tacoma is a bit insulated because it’s further inland. “There’s no ambiguity of what to do” in terms ...
Bouguer gravity anomaly map of the Puget Sound region showing basins and uplifts, and principal faults and folds, over outline of Puget Sound, Hood Canal, and east end of Strait of Juan de Fuca. Blue and green generally indicate basins (with lower density sedimentary rock), red is generally uplifted basalt of the Crescent Formation.
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 ...
This picture taken on March 11, 2011 shows tsunami waves hitting the coast of Minamisoma in Japan's Fukushima prefecture. - Jiji Press/AFP/Getty Images
To map the subduction zone, researchers at sea performed active source seismic imaging, a technique that sends sound to the ocean floor and then processes the echoes that return. The method is ...
Tsunami Warning: 津波警報: Tsunami height is expected to be up to 3 meters. 3 m High Tsunami waves will hit, causing damage to low-lying areas. Buildings will be flooded and anybody exposed will be caught in tsunami currents. Evacuate from coastal or river areas immediately to safer places such as high ground or a tsunami evacuation building.
The 2011 tsunami that hit Japan also caused $100m in damage to the state’s ports and harbors. The best way to be prepared is to be aware of the risk a tsunami might pose to the immediate ...