Volcanic-hazard zones in the Cascades Range

Cascades Range (regional, USA only), United States, 1987

Plate 1 in: Hoblitt, R. P., Miller, C. D., & Scott, W. E. (1987). Volcanic hazards with regard to siting nuclear-power plants in the Pacific Northwest. U.S. Geological Survey, Open-File Report 87-297. https://doi.org/10.3133/ofr87297

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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Map Set

Hoblitt, R. P., Miller, C. D., & Scott, W. E. (1987). Volcanic hazards with regard to siting nuclear-power plants in the Pacific Northwest. U.S. Geological Survey, Open-File Report 87-297. https://doi.org/10.3133/ofr87297
https://doi.org/10.3133/ofr87297

Other Maps In Set:

Map Data

Map ID	3378
Hazard Process(es)	Debris avalanches; Distal hazards; Floods or jokulhaups; Lahars; Lateral or directed blasts; Lava flows; PDCs; Proximal hazards; Regional hazards; Surges; Tephra fall; Vent-opening hazards
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	Regional
Publication Format	Poster-style map insert in hazard assessment
Zonation Method(s)	Geologic history
Zonation Model(s)
Scenario(s) Considered	Composition; Source location or direction
Hazard Zone Label(s)	Location or source name
Probability Definition(s)	No probability definition was discernable from the map
Purpose	Land-use planning: Intended to inform citing of facilities, building restrictions, resource management, and infrastructure development
Audience	Land-use planners, city planners, government officials, etc.
Language(s)	English
Basemap(s)	Street map
Basemap overlay(s)
Diemsionality	Planimetric (2D or map) view
Color Scheme	Dark to Light (greyscale)
Volcanic Alert Level System