Publications

A summary of USGS publications on the Clear Lake volcanic field.

Books

Hearn Jr., B. C., McLaughlin, R. J. & Donnelly-Nolan, J. M. (1988). Late Quaternary Climates, Tectonics, and Sedimentation in Clear Lake, Northern California Coast Range. Geological Society of America Special Paper , 214, 9-20.

Fact Sheets

Ball, J.L., Burgess, S., Blatter, D. (2025). Young explosive eruptions from the Clear Lake volcanic field. U.S. Geological Survey Fact Sheet, 2025-3020, 6 p.

Stovall, W. K., Marcaida, M. & Mangan, M. T. (2014). The California Volcano Observatory—Monitoring the State's Restless Volcanoes. U.S. Geological Survey Fact Sheet, 2014-3120, 4 p.

Geologic Maps

Hearn Jr., B. C., Donnelly-Nolan, J. M. & Goff, F. E. (1995). Geologic map and structure sections of the Clear Lake Volcanics, Northern California. U.S. Geological Survey Miscellaneous Investigations Map , 2362, 1 map, 1 data sheet.

Bard, J.A., Adhar, R., Robinson, J.E., Stewart, P.K., Ramsey, D.W., Hearn, B.C., Donnelly-Nolan, J.M., and Goff, F.E., 2022, Database for the Geologic Map and Structure Sections of the Clear Lake Volcanics, Northern California: U.S. Geological Survey data release.

Hazards Assessments and Reports

Mangan, M. T., Ball, J., Wood, N. J., Jones, J. L., Peters, J., Abdollahian, N., Dinitz, L., Blankenheim, S., Fenton, J. & Pridmore, C. (2018). California's Exposure to Volcanic Hazards. U.S. Geological Survey Scientific Investigations Report , 2018-5159, 49 p.

White, M. N., Ramsey, D. W. & Miller, C. D. (2011). Database for potential hazards from future volcanic eruptions in California. U.S. Geological Survey Data Series , 661

Miller, C. D. (1989). Potential hazards from future volcanic eruptions in California. U.S. Geological Survey Bulletin , 1847, 17 p.

Journal Articles

Lewicki, J.L., Peek, S., Clor, L.E., Hunt, A. (2025). Gas emissions from the Sulphur Bank Mercury Mine hydrothermal system, Clear Lake volcanic field, California. Journal of Volcanology and Geothermal Research, 468, 108453.

Blatter, D.L., Burgess, S.D. (2025). Melt generation sources and conditions in the wake of a migrating slab window: Geochemistry and petrology of the million-year history of primitive volcanism at Clear Lake volcanic field, California. Journal of Petrology, 66(9).

Mitchell, M.A., Peacock, J.R., Burgess, S.D. (2023). Imaging the magmatic plumbing of the Clear Lake Volcanic Field using 3-D gravity inversions. Journal of Volcanology and Geothermal Research, 435, 107758.

Ball, J.L. (2022) Stratigraphy and eruption history of maars in the Clear Lake Volcanic Field, California. Frontiers in Earth Science, 10, 18 p.

Peacock, J.R., Earney, T.E., Mangan, M.T., Schermerhorn, W.D., Glen, J.M.G., Walters, M., Hartline, C. (2020). Geophysical characterization of the Northwest Geysers geothermal field, California. Journal of Volcanology and Geothermal Research, 399, 106882.

Bergfeld, D., Goff, F., Janik, J. (2001). Carbon isotope systematics and CO2 sources in The Geysers-Clear Lake region, northern California, USA. Geothermics, 30(2-3), 303-331.

Stanley, W.D., Benz, H.M., Walters, M. A., Villasenor, A., Rodriguez, B.D. (1998). Tectonic controls on magmatism in the Geysers-Clear Lake region: Evidence from new geophysical models. Geological Society of America Bulletin, 110 (9): 1193–1207.

Stanley, W.D., Blakely, R.J. (1995) The Geysers-Clear Lake geothermal area, California - An updated geophysical perspective of heat sources. Geothermics, 24(2), 187-221.

Donnelly-Nolan, J. M. & Burns, M. G. (1993). The Geysers-Clear Lake Area, California: Thermal waters, mineralization, volcanism and geothermal potential. Economic Geology, 88, 301-316.

USGS General Publication

Duffield, W. A. & Sass, J. H. (2003). Geothermal Energy: Clean Power From the Earth's Heat. U.S. Geological Survey Circular , 1249, 36 p.

Lowenstern, J. B., Janik, C. J., Langbein, J. & Johnson, L. S. (1999). Gas and isotope geochemistry of 81 steam samples from wells in the Geysers geothermal field, Sonoma and Lake Counties, California U.S.A. U.S. Geological Survey Open-File Report, 99-304, 28 p.

Stanley, W.D., Benz, H.M., Walters, M.A., Rodriguez, B.D. (1997). Tectonic controls on magmatism and geothermal resources in the Geysers-Clear Lake region, California: Integration of new geologic, earthquake tomography, seismicity, gravity, and magnetotelluric data. U.S. Geological Survey Open-File Report, 97-95, 40p.

McLaughlin, R. J. & Donnelly-Nolan, J. M. (Eds.) (1981). Research in the Geysers-Clear Lake geothermal area, Northern California. U.S. Geological Survey Professional Paper , 1141, 259 p.