Map showing representative yearly traffic counts on principal road segments in the vicinity of (A) Mount Shasta, Medicine Lake volcano, and Lassen Volcanic Center; (B) Clear Lake volcanic field; (C ) Long Valley volcanic region and Ubehebe Craters; and (D) Salton Buttes

California (regional), United States, 2019

Figure 25 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.

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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 ID	3572
Hazard Process(es)	Ballistics; Floods or jokulhaups; Lahars; Lava flows; PDCs; Proximal hazards; Tephra fall; Vent-opening hazards
Hazard Zone Presentation	Grouped by location (e.g. proximal/distal zones) on a series of small map panels of similar sizes
Temporal Scale	Background, or long-term, map
Spatial Scale	Volcano and surrounding area
Publication Format	Figure in a hazard assessment or mitigation plan
Zonation Method(s)	Derived/simplified from another map
Zonation Model(s)
Scenario(s) Considered	Source location or direction
Hazard Zone Label(s)	Hazard process name; 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)	Hillshade
Basemap overlay(s)	Infrastructure map; Street map
Diemsionality	Planimetric (2D or map) view
Color Scheme	Categorical/Qualitative