Obtain DOGAMI Tsunami Inundation and Evacuation GIS Data via West Coast Ocean Data Portal. This data layer is an element of the Oregon GIS Framework. The evacuation zones are the local and distant tsunami scenarios shown on the tsunami evacuation brochures. These polygons represent the evacuation zones for the entire Oregon coast. All seven tsunami scenarios, along with a text report and other supplemental files, can be found in DOGAMI Open-File Report O-13-19, Summary of Tsunami Hazard Data for Oregon (preview/download).