By A Mystery Man Writer
How are the Cascade volcanoes during National Volcano Awareness Month?, News
Volcanoes of the United States [USGS]
USGS Volcano Observatories - Volcanoes, Craters & Lava Flows (U.S. National Park Service)
USGS Keeping Four U.S. Volcanoes at Elevated Risk Alert Levels this Holiday Weekend
Weekly Volcanic Activity Reports
USGS Volcanoes - USGS Volcanoes added a new photo.
USGS: Volcano Hazards Program Glossary - Explosive eruption
Types of Volcanoes - Volcanoes, Craters & Lava Flows (U.S. National Park Service)
Alert level for erupting Hawaii volcano lowered to 'watch
About Volcanoes U.S. Geological Survey
Geologic Hazards at Volcanoes
New Photos Of Kilauea Summit Eruption Posted By USGS HVO
Hawaii volcano vents not good for roasting marshmallows, USGS warns - CNET
Interactive map of volcanoes and current volcanic activity alerts in the United States