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Official, Figure in hazard assessment
Map of California showing Federal, state, and local water storage and distribution centers in relation to moderate, high, and very high threat volcanoes
Figure 22 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
Official, Figure in hazard assessment
Map of California showing high-voltage electric transmission lines in relation to volcanic hazard zones
Figure 16 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
Official, Figure in hazard assessment
Map of potential volcanic hazards in the central part of the Long Valley-Mono Lake area
Figure 2 in: Miller, C.D., Mullineaux, D.R., Crandell, D.R. & Bailey, R.A. (1982). Potential hazards from future volcanic eruptions in the Long Valley-Mono Lake area, east-central California and southwest Nevada; a preliminary assessment. U.S. Geological Survey, Circular 877, 10 p. https://doi.org/10.3133/cir877
Official, Figure in hazard assessment
Map of sketched jet flight paths at >18,000 feet altitude above California
Figure 28 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
Official, Figure in hazard assessment
Map showing annual probability of 1 centimeter or more of tephra accumulation from any major Cascade volcano
Figure 15 in: Clynne, M. A., Robinson, J. E., Nathenson, M. & Muffler, L. P. (2012). Volcano hazards assessment for the Lassen region, northern California. U.S. Geological Survey, Scientific Investigations Report 2012-5176-A, 47 p., 1 plate. https://doi.org/10.3133/sir20125176A
Official, Figure in hazard assessment
Map showing annual probability of 1 cm or more of tephra accumulation in Washington, Oregon, and northern California from eruptions throughout the Cascade Range.
Figure 4 in: Sherrod, D.R., Mastin, L.G., Scott, W.E. & Schilling, S.P. (1997). Volcano hazards at Newberry Volcano, Oregon. U.S. Geological Survey, Open-File Report 97-513, 14 p. https://doi.org/10.3133/ofr97513
Official, Figure on website
Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range.
Nathensen, M. (2013). Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range. U.S. Geological Survey. Mount Bachelor Hazards. https://www.usgs.gov/volcanoes/mount-bachelor/hazards
Official, Figure in hazard assessment
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
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
Official, Figure on website
Map shows hazard zone for pyroclastic flows and surges around existing explosive vents along the Mono-Inyo Craters volcanic chain and from potential vents located in Long Valley's south moat
U.S. Geological Survey (USGS). (2012). Map shows hazard zone for pyroclastic flows and surges around existing explosive vents along the Mono-Inyo Craters volcanic chain and from potential vents located in Long Valley's south moat. U.S. Geological Survey. Long Valley Caldera Hazards, Pyroclastic Flow and Surge Hazard Zones from Potential Vents in Long Valley Caldera, California. https://www.usgs.gov/volcanoes/long-valley-caldera/pyroclastic-flow-and-surge-hazard-zones-potential-vents-long-valley
Official, Figure in hazard assessment
Maps of 2010 population density in and near (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
Figure 14 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