Tom Banse reports on a Washington state study which found that dozens of elevated evacuation platforms are needed along the Washington coast to ensure people can escape a tsunami spawned by a major earthquake on the offshore Cascadia fault zone Acknowledging that many coastal residents may not be able to reach higher ground in the 10. The CSZ has been responsible for 19 earthquakes of magnitude 9 in the last 10000 years.
Washington Division of Geology and Earth Resources Open File Report 2004-15 1 sheet scale 150000.
Tsunami zone washington state. The Washington Department of Natural Resources recently released simulations that show how a powerful tsunami would overwhelm the states coastal and shoreline communities if a magnitude 90. The evacuation maps show two tsunami hazard zones. Washington is also vulnerable to tsunamis that.
All marine shorelines in Washington State are vulnerable to tsunamisThe Pacific Coast the Strait of Juan de Fuca and Puget Sound all have geologic evidence for past tsunamis and future tsunamis are inevitable. These earthquakes also cause very large and damaging tsunamis. Geological Survey USGS geographer Nathan Wood.
New tsunami hazard maps published by the Washington Geological Survey and the Washington State Department of Natural Resources DNR show that a large earthquake on the Cascadia subduction zone CSZ off the Washington coast could cause a tsunami that will not only reach the Puget Sound and Hood Canal but will leave some low-lying areas under 14 feet. Ocean coasts can be impacted by tsunamis. Tsunamis generated offshore on the Cascadia subduction zone are the largest and most dangerous and will arrive along Washingtons Pacific coastline in as little as 20 minutes after a major earthquake.
Over the past 150 years destructive and deadly tsunamis have struck Hawaii Alaska California Oregon Washington American. According to a new state study dozens of elevated evacuation platforms are needed along the Washington coast to ensure people can escape a tsunami spawned by a major earthquake on the offshore. 2004 Tsunami hazard map of the Bellingham area WashingtonModeled tsunami inundation from a Cascadia subduction zone earthquake.
Grays Harbors largest city is Aberdeen where more than 12000 people live in the tsunami inundation zone. Washington is earthquake and tsunami country. The worst of the tsunami would hit the Pacific.
The maps produced by the Washington Geological Survey model a 2500-year Cascadia Subduction Zone. This very large fault is capable of generating some of the largest and most damaging earthquakes in the world. The new state DNR simulations show how a tsunami would hit Washington in the event of a magnitude 90 earthquake along the Cascadia Subduction Zone.
Thats according to a newly published Southwest Washington Tsunami Inundation Hazard Map. Washingtons outer and inner coasts are highly vulnerable to tsunamis thanks to the presence of numerous crustal faults and the Cascadia Subduction Zone CSZ offshore. In the event of a large Cascadia subduction zone earthquake people on the outer coast may only have 10 to 15 minutes once the ground stops shaking to reach high ground before a tsunami arrives.
The Congressional action was the result of recognition in 1990 of the tsunami threat to Oregon Washington and northern California from a magnitude 9 earthquake on the Cascadia subduction zone the April 1992 earthquake and tsunami on the Cascadia subduction zone in northern California and the loss of life and property in Japan due to the 1994 Hokkaido Japan. Some areas have more risk than others. Tsunamis sources and hazards in Washington State Washington is vulnerable to tsunamis from both local and remote sources.
Welcome to the TsunamiZone in Washington. The Washington Department of Natural Resources WA DNR and Washington Emergency Management Division WA EMD in partnership with NTHMP completed 1st generation. 639 PM PDT April 26 2021.
M 2003 Tsunami inundation map. Bellingham Olympia Seattle and Tacoma could see anywhere from 6 inches to 11 feet of water from a tsunami off the Washington coast. Inundation associated with a maximum considered DISTANT ORANGE tsunami and LOCAL YELLOW Cascadia tsunami.
Affect only limited areas but can be devastating at those locations. The Cascadia subduction zone off the coast of Washington British Columbia Oregon and northern California is the biggest tsunami hazard for Washington State. Map of coastal communities in a tsunami-hazard zone in the state of WashingtonCredit.
The Tsunami Evacuation Map from the Washington Division of Geology and Earth Resources provides a large amount of information about tsunami evacuation procedures for the state of Washington. Similarly will the big one hit. Each of the shaded areas in the image above can be zoomed in on for more detailed information including.
Along many parts of Washingtons outer coast it can take an hour or more to walk to high ground or out of the tsunami inundation zone. Public domain Schelling who then managed the Earthquake and Tsunami Hazards Program for the Washington Emergency Management Division approached US. According to a new state study dozens of elevated evacuation platforms are needed along the Washington coast to ensure people can escape a tsunami spawned by a major earthquake on the offshore Cascadia fault zone.
Do You Know Your Zone. Also know can a tsunami hit Washington State. The highest modeled inundation so far has been in southwest Washington at Damon Point and theres expected to be about 60 feet of flooding above the previously dry surface Allen told KOMO-TV.