Service Description: The mission of the Washington Geological Survey (WGS) is to collect, develop, use, distribute, and preserve geologic information to promote the safety, health, and welfare of the citizens, protect the environment, and support the economy of Washington. In order to do this, WGS works with the National Oceanic and Atmospheric Administration (NOAA) and the University of Washington to model the inundation (flooding) of coastal areas from tsunamis. From these models the WGS produces tsunami inundation maps to communicate the hazard identified in these models to emergency management, planners, and the public to prepare for the next event in Washington. The WGS works with the Washington Emergency Management Division and local, county, tribal, and other planners and emergency managers to develop, publish, and distribute pedestrian evacuation maps, and evacuation brochures. These maps and brochures are made for areas that are especially at risk for damaging tsunamis.
This feature class contains polygons of areas that are modeled to be inundated by tsunami waves for a given earthquake scenario. These polygons were modified with ArcGIS's default smoothing algorithms then manually spot checked and corrected as needed. This feature class also contains polygons of areas not modeled for tsunami inundation at this time.
Service ItemId: c551b575575a4c21ab2f02233afa7249
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
Supports Shared Templates: False
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Layers:
Description: Mapped Hazard Areas - The mapped hazard areas are a compilation of the maximum modeled tsunami inundation (flooding), gathered from multiple tsunami hazard publications and represents multiple earthquake scenarios. Depending on location, this may be either an offshore earthquake from the Cascadia subduction zone or local crustal faults within Puget Sound. To see the specific modeled effects from a single earthquake scenario, use the Tsunami Scenario Catalog.
Areas Not Modeled for Tsunami Hazard - No tsunami modeling has been done for these areas, but a tsunami hazard may still exist along all Washington State shorelines, and even within inland bodies of water.
Tsunami Scenarios Catalog - This catalog contains tsunami inundation models from several deterministic earthquake scenarios. The location and magnitude of the source earthquake determines the extent and size of the modeled tsunami. The tsunami scenario models are generated from several different scenario earthquakes along the Cascadia subduction zone and other local crustal faults.
102100 (3857)
Initial Extent:
XMin: -13861078.7583061
YMin: 5914221.21067158
XMax: -13387261.4914085
YMax: 6134546.23977899
Spatial Reference: 102100 (3857)
Full Extent:
XMin: -13902268.9235036
YMin: 5697802.48095587
XMax: -13580465.7539781
YMax: 6278350.71673779
Spatial Reference: 102100 (3857)
Units: esriMeters
Child Resources:
Info
Supported Operations:
Query
ConvertFormat
Get Estimates