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.
Click on image for full-size map. If link seems broken, try the archived version.
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:
- Contour map of the estimated annual probability of the accumulation of 1 m or more of tephra in the northwestern United States at eruptions at 13 major volcanic centers in the Cascades Range
- Contour map of the estimated annual probability of the accumulation of 10 cm or more of tephra in the northwestern United States at eruptions at 13 major volcanic centers in the Cascades Range
- Contour map of the estimated annual probability of the accumulation of 1 cm or more of tephra in the northwestern United States at eruptions at 13 major volcanic centers in the Cascades Range
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) |