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U.S. Geological Survey Fact Sheet 2011–3024

U.S. GEOLOGICAL SURVEY—REDUCING THE RISK FROM VOLCANO HAZARDS

Sutter Buttes—The Lone Volcano in California’s Great Valley

By Brian P. Hausback, L.J. Patrick Muffler, and Michael A. Clynne

Summary

Thumbnail of and link to report PDF (5.8 MB)

The volcanic spires of the Sutter Buttes tower 2,000 feet above the farms and fields of California’s Great Valley, just 50 miles north-northwest of Sacramento and 11 miles northwest of Yuba City. The only volcano within the valley, the Buttes consist of a central core of volcanic domes surrounded by a large apron of fragmental volcanic debris. Eruptions at the Sutter Buttes occurred in early Pleistocene time, 1.6 to 1.4 million years ago. The Sutter Buttes are not part of the Cascade Range of volcanoes to the north, but instead are related to the volcanoes in the Coast Ranges to the west in the vicinity of Clear Lake, Napa Valley, and Sonoma Valley.

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Contact Information
Volcano Science Center - Menlo Park
U.S. Geological Survey
345 Middlefield Road, MS 910
Menlo Park, CA 94025
http://volcanoes.usgs.gov/

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Suggested citation:

Hausback, B.P., Muffler, L.J.P., and Clynne, M.A., 2011, Sutter Buttes—the lone volcano in California’s Great Valley: U.S. Geological Survey Fact Sheet 2011-3024, 4 p.



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