• Active Volcanoes
• American Red Cross Volcano Emergency Info
• The Center for the Study of Active Volcanoes
• The Electronic Volcano
• FEMA: Volcanoes
• Hawai'i Volcanoes National Park
• Howstuffworks "How Volcanoes Work"
• How Volcanoes Work
• ITALY'S VOLCANOES: THE CRADLE OF VOLCANOLOGY
• Martian Volcanoes
• Potentially Active Volcanoes - The National Atlas of the United States (must have shockwave)
• Super Volcanoes: Satellites Eye Deadly Hot Spots
• USGS Cascades Volcano Observatory (CVO)
• USGS Hawaiian Volcano Observatory (HVO)
• USGS Volcano Hazards Program
• Volcano Data at NGDC
• Volcano FAQ
• Volcano Seismicity in the Pacific Northwest
• Volcanoes Theme Page
• Volcano  World
• Volcanoes
• Volcanoes.com
• Volcanoes of Canada
• Volcanoes of Kamchatka, Russia
• Volcanoes on stamps
• Volcanoes of the United States [USGS]
• VOLCANOES OF THE WORLD
• Volcanoes Online