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Map of key water resources and infrastructure of the Shasta-Trinity River Division of the Central Valley Project (CVP) in northern California

Shasta, United States, 2019

Figure 23 in: Mangan, M., Ball, J., Wood, N., Jones, J.L., Peters, J., Abdollahian, N., Dinitz, L., Blankenheim, S., Fenton, J., & Pridmore, C. (2019). California’s exposure to volcanic hazards. U.S. Geological Survey Scientific Investigations Report 2018–5159, v. 1.1, 49 p. https://doi.org/10.3133/sir20185159



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.


Click on image for full-size map. If link seems broken, try the archived version.

Map Set

Mangan, M., Ball, J., Wood, N., Jones, J.L., Peters, J., Abdollahian, N., Dinitz, L., Blankenheim, S., Fenton, J., and Pridmore, C. (2019). California’s exposure to volcanic hazards. U.S. Geological Survey Scientific Investigations Report 2018–5159, v. 1.1, 49 p. https://doi.org/10.3133/sir20185159
https://doi.org/10.3133/sir20185159

Other Maps In Set:

Map Data

Map ID3571
Hazard Process(es)Lahars; Tephra fall
Hazard Zone PresentationHazard process-focused: Most hazard processes are separated by hazard process type on a main map panel
Temporal ScaleBackground, or long-term, map
Spatial ScalePart of volcano (flank or drainage)
Publication FormatFigure in a hazard assessment or mitigation plan
Zonation Method(s)Derived/simplified from another map
Zonation Model(s)
Scenario(s) ConsideredNo scenarios were discernable from the map
Hazard Zone Label(s)Estimated value or Hazard Impact Metric; Hazard process name
Probability Definition(s)No probability definition was discernable from the map
PurposeLand-use planning: Intended to inform citing of facilities, building restrictions, resource management, and infrastructure development
AudienceLand-use planners, city planners, government officials, etc.
Language(s)English
Basemap(s)Hillshade
Basemap overlay(s)Infrastructure map; Street map
DiemsionalityPlanimetric (2D or map) view
Color SchemeCategorical/Qualitative
Go to Global Volcanism Program page for Shasta →