DNR Unveils New Tsunami Evacuation Maps for Washington Coast
2023年10月20日 · The new maps, produced by DNR's Washington Geological Survey, shows the times it would take to evacuate on foot from the tsunami zones caused by a Cascadia subduction zone earthquake. They show the inundation zone, evacuation routes, and use colors to represent the time it takes to walk to safety from any point within the inundation zone.
Tsunami Evacuation and Inundation Maps by U.S. State and …
Tsunami inundation maps show the coastal areas that may be flooded by tsunami waves. Based on tsunami inundation models, these maps are used to create evacuation maps and guide tsunami-related emergency response and land-use planning.
Interactive map of tsunami evacuation information for …
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. Each of the shaded areas in the image above can be zoomed in on for more detailed information including:
New tsunami maps show how water could reach Seattle, Everett, Tacoma ...
2021年4月27日 · Part of the Snohomish River Delta between Everett and Marysville could get nearly 6 feet, and Seattle’s Harbor Island could be inundated with nearly 4 feet of water. The …
tsunami wave within 2–4 hours of the earthquake, leaving little time to issue official warnings, although any felt earthquake shaking is an immediate warning. Fast moving currents from the tsunami waves could locally exceed
Washington's new tsunami maps show how long it would take to …
2023年10月23日 · Washington's Department of Natural Resources released new evacuation maps that show residents of coastal communities how to walk to a safe spot if a tsunami hits — hoping to prepare for the ...
simulate the generation, propagation and inundation of tsunamis in the Elliot Bay area. In this MOST model study, the tsunami is generated by a Seattle fault deformation model that simulates the A.D. 900–930 event as a credible worst-case scenario of magnitude 7.3. The magnitude was chosen to be consistent with the 2002 USGS update of the ...
Tsunami Hazard Maps - Pacific Northwest Seismic Network
Tsunami inundation mapping is the first step in the development of effective evacuation plans for communities at risk. These maps also provide a bases for land use planners in communities to reduce risk by locating critical facilities including schools, out of the potential tsunami flood plain.
Seattle Tsunami - ArcGIS StoryMaps
2021年5月5日 · In 1700, the Cascadia Subduction Zone produced a 9.0 magnitude earthquake that devastated the region just south of the Seattle metropolitan area, home to over 760,000 as of 2019. If a 9.0 did occur, the resulting tsunami would hit the Washington coast about 15-20 minutes following the earthquake with 10+ ft waves.
New Washington tsunami maps show evacuation routes, time it …
2023年10月24日 · The new maps predict how long it would take evacuees to walk to safety from tsunami zones caused by a Cascadia subduction zone earthquake, a high-magnitude tremor that experts predict could...