Maps

Maps about Clear Lake Volcanic Field.

October 1, 1995

Geologic map and structure sections of the Clear Lake Volcanics, Northern California

The Clear Lake Volcanics are located in the California Coast Ranges about 150 km north of San Francisco. This Quaternary volcanic field has erupted intermittently since 2.1 million years ago. This volcanic field is considered a high-threat volcanic system (Ewert and others, 2005) The adjacent Geysers geothermal field, largest power-producing geothermal field in the world, is powered by the magmati

Clear Lake Volcanic Field

Maps

Geologic map and structure sections of the Clear Lake Volcanics, Northern California

U.S. Geological Survey

U.S. Department of the Interior