Category Directory

Volcano & Geological Hazards Access Cameras

Official visual monitoring resources for volcanoes, ash plumes and other geological hazards.

USGS Volcano Ash Camera Viewer

An official viewer for volcano observation cameras, including monitored California volcanic regions.

Agency: U.S. Geological Survey • Northern & Eastern California
Source checked September 3, 2026 Open source →
Lassen Visitor Center Mountain Camera

A north-facing mountain view toward Mt. Diller, Pilot Pinnacle and the Sulphur Works hydrothermal area.

Agency: National Park Service • Lassen Volcanic National Park, CA
Source checked September 3, 2026 Open source →