Generalized volcanic hazard maps for very high, high, and moderate threat volcanoes compiled and simplified from Miller (1980, 1989), Miller and others (1982), Donnelly-Nolan and others (2007), Clynne and others (2012), White and others (2011), and Robinson and others (2012)

California (regional), United States, 2019

Figure 8 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	1604
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 main map and series of insets
Temporal Scale	Background, or long-term, map
Spatial Scale	Regional
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	Multiple: intended for multiple purposes including general hazard awareness, planning, and crisis management
Audience	Multiple audiences (usually the public, civil authorities, and land-use planners)
Language(s)	English
Basemap(s)	Hillshade
Basemap overlay(s)	Administrative boundaries (e.g. county, park, intl.)
Diemsionality	Planimetric (2D or map) view
Color Scheme	Categorical/Qualitative