geological
USGS Volcano Ash Camera Viewer
California volcano monitoring • Northern & Eastern California (California)
Official source checked August 9, 2026
What This Camera Shows
An official viewer for volcano observation cameras, including monitored California volcanic regions.
Context It May Provide
Inspect available visual observations for ash, plume and visibility conditions near monitored volcanoes.
What this view cannot confirm: A camera image cannot establish that a road or area is open, safe, passable or appropriate for evacuation. Check the responsible agency and follow current official instructions.
Official Access Note: Use USGS volcano notices for official hazard status; camera imagery alone does not indicate threat level.
Operating Agency: U.S. Geological Survey (Federal)
Open Volcano Cameras
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