Simplified volcano hazards map of Mount St. Helens, Washington
St. Helens, United States, 2014
Wolfe, E.W., Pierson, T.C., Driedger, C.L., Scott, W.E., Iverson, R.M., Ramsey, D.W., & Faust, L.M. (2014). Simplified volcano hazards map of Mount St. Helens, Washington. U.S. Geological Survey. Mount St. Helens, Washington Simplified Hazards Map. https://www.usgs.gov/media/images/mount-st-helens-washington-simplified-hazards-map (Modified from: U.S. Geological Survey, Open-File Report 95-497)
This map was produced by an official agency, but may not be the most recent, most complete, or main operational map.
For the current operational hazard map, please consult the proper institutional authorities.
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Map Data
Map ID 1112 Hazard Process(es) Ballistics; Lahars; Lava flows; PDCs; Proximal hazards; Regional hazards; Rockfalls; Tephra fall Hazard Zone Presentation Grouped by location (e.g. proximal/distal zones) on a main map panel Temporal Scale Background, or long-term, map Spatial Scale Volcano and surrounding area Publication Format Map on website Zonation Method(s) Derived/simplified from another map Zonation Model(s) Scenario(s) Considered Size, VEI, or intensity; Source location or direction; Style or type Hazard Zone Label(s) Hazard process name; Location or source name Probability Definition(s) Qualitative relative probability (e.g. high-medium-low) Purpose Hazard awareness: Intended for educating the audience about the extent and probability of volcanic hazard Audience General public and/or media Language(s) English Basemap(s) Hillshade Basemap overlay(s) Street map Diemsionality Planimetric (2D or map) view Color Scheme Red to Yellow