Washingon State Department of Natural resources(DNR): tsunami evacuation maps by county HomePrograms and ServicesGeologyGeologic Hazards. The visualization is best viewed in full screen. We can all agree that fresh ️ ️ ️ is beautiful, but it can also create dangerous conditions. Click the map icon to see tsunami content on the Geologic Information Portal. SEATTLE — The state Department of Natural Resources has released new simulations that show how a … Related Videos. Evacuation map brochures can be downloaded from our Geologic Hazards Map page. See coastal waters recede. list of noteworthy tsunamis triggered by volcanoes. Rock falls, slope failures, debris flows, and slumps are all types of landslides. During an earthquake, power lines may topple, underground utilities may rupture, and the ground may settle or shift. Figure modified from Japan Meteorological Agency. If you’re visiting the coast, find out about local tsunami safety. Example of a Tsunami travel time map from the 1964 Alaska Earthquake. Speed of tsunami waves compared to common means of transportation. For more detailed tsunami wave heights for your area and for more information about tsunami inundation modeling, refer to our tsunami hazard maps. View video on YouTube Deposits found on the outer coast are dominantly from the Cascadia subduction zone, while those within Puget Sound are typically from local crustal faults such as the Seattle fault. Public Land Survey Office; Natural Heritage Program. Deep (Benioff zone) earthquakes do not produce tsunamis. Water-level networks—If an earthquake meets certain criteria, the warning centers use information about water-level changes to determine if a tsunami has been generated and, if so, its size. Hear a tsunami warning siren or receive a tsunami alert. If you have children in school in a tsunami hazard zone, find out the school’s plans for evacuating children and keeping them safe. Zones of uplift and subsidence during a Cascadia subduction zone earthquake. All fatalities from tsunamis in the State have originated from landslides sources. Alert and Warning levels issued by the National Tsunami Warning Center (NTWC). Contact the Washington Military Department Emergency Management Division for information on evacuation maps. Of the numerous historical events that have occurred, only the 1964 Alaska earthquake-generated tsunami has caused damage to the Washington coast. A seiche is a standing wave that can form in enclosed bodies of water such as lakes, bays, and even swimming pools. The colors on the map show readers how long it takes to walk to high ground. The tool uses elevation changes and type of land cover to calculate walking speed along the evacuation route. The video simulations add to the suite of tsunami preparation materials developed by the geologists within DNR’s Washington Geological Survey. This animation shows how waves get taller as they reach shallow water. Washington State is served by the National Tsunami Warning Center (NTWC). If large objects from space hit earth, they can displace water and cause a tsunami. Information provided by these networks helps them determine when and where to issue tsunami messages. This is because coastal areas have different beach slopes and different offshore and coastal geographical features, such as reefs, bays, and river mouths. When volcanoes erupt under water or near shorelines, the eruption can displace water, causing a tsunami. The water then begins to slosh back and forth. Emergency planners and hazard geologists are working hard to learn more about these risks. These inundation models are based on the shape of the ocean floor, the topography of the land, and the expected size and shape of tsunami waves.