Overlay represents area within CalVO's jurisdiction.
California Volcano Observatory's mission
As a part of the U.S. Geological Survey's Volcano Hazards Program, the
California Volcano Observatory aims to advance scientific understanding
of volcanic processes and lessen the harmful impacts of volcanic activity
in the volcanically active areas of California and Nevada.
Monday, June 01, 2015 2:25 PM
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN
CalVO and Lassen Fact Sheets Published
December 10, 2014
We are pleased to announce the publication of two new Fact Sheets relevant to CalVO.