Hazard zones as drawn May 26, 1980, after May 18 dacitic magmatic eruption.
St. Helens, United States, 1980
Figure 455 in: Miller, C.D., Mullineaux, D.R. & Crandell, D.R. (1981). Hazards assessments at Mount St. Helens. In: Lipman, P. W. & Mullineaux, D. R. (Eds.) The 1980 eruptions of Mount St. Helens, Washington. U.S. Geological Survey, Professional Paper 1250, p. 789-802. https://doi.org/10.3133/pp1250
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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Miller, C.D., Mullineaux, D.R. & Crandell, D.R. (1981). Hazards assessments at Mount St. Helens. In: Lipman, P. W. & Mullineaux, D. R. (Eds.) The 1980 eruptions of Mount St. Helens, Washington. U.S. Geological Survey, Professional Paper 1250, p. 789-802. https://doi.org/10.3133/pp1250 Map Set
https://doi.org/10.3133/pp1250
Other Maps In Set:
Map Data
Map ID 634 Hazard Process(es) Floods or jokulhaups; Lahars; Lateral or directed blasts; PDCs; Tephra fall Hazard Zone Presentation Hazard process-focused: Most hazard processes are separated by hazard process type on a main map panel Temporal Scale Crisis, or short-term, map (hours to decades) Spatial Scale Volcano and surrounding area Publication Format Unknown format Zonation Method(s) Geologic history Zonation Model(s) Scenario(s) Considered Current conditions Hazard Zone Label(s) Hazard process name Probability Definition(s) Qualitative relative probability (e.g. high-medium-low) Purpose Crisis management and response: Intended to be used for managing, responding to, and taking action during an eruption; often includes evacuation routes, access restrictions, actions to take, etc. Audience Multiple audiences (usually the public, civil authorities, and land-use planners) Language(s) English Basemap(s) Simple or sketch map Basemap overlay(s) Street map Diemsionality Planimetric (2D or map) view Color Scheme Categorical/Qualitative