Areas of Potential Hazard from Lava Flows, Pyroclastic Flows, Mudflows, and Floods that May Result from Future Eruptions of Mount St. Helens
St. Helens, United States, 1978
Plate 2 in: Crandell, D.R. & Mullineaux, D.R. (1978). Potential Hazards from Future Eruptions of Mount St. Helens Volcano, Washington. U.S. Geological Survey, Bulletin 1383-C, 26 p. https://doi.org/10.3133/b1383C
This map was produced by an official agency, but is NOT 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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Crandell, D.R. & Mullineaux, D.R. (1978). Potential Hazards from Future Eruptions of Mount St. Helens Volcano, Washington. U.S. Geological Survey, Bulletin 1383-C, 26 p. https://doi.org/10.3133/b1383CMap Set
https://doi.org/10.3133/b1383C
Other Maps In Set:
Map Data
Map ID 615 Hazard Process(es) Ash-cloud surges; Floods or jokulhaups; Flowage hazards; Lahars; Lava flows; PDCs Hazard Zone Presentation Grouped by process (e.g. flowage/fall hazards) on a main map panel Temporal Scale Background, or long-term, map Spatial Scale Volcano and surrounding area Publication Format Poster-style map insert in hazard assessment Zonation Method(s) Geologic history Zonation Model(s) Scenario(s) Considered No scenarios were discernable from the map Hazard Zone Label(s) Hazard process name Probability Definition(s) No probability definition was discernable from the map Purpose Multiple: intended for multiple purposes including general hazard awareness, planning, and crisis management Audience Multiple audiences (usually the public, civil authorities, and land-use planners) Language(s) English Basemap(s) Contour lines Basemap overlay(s) Street map Diemsionality Planimetric (2D or map) view Color Scheme Dark to Light (greyscale)