• Wikipedia: Volcanoes
• Global Volcanism Program (Smithsonian Institute)
  • World Volcanoes Map
  • Types & Processes Gallery
  • Weekly Volcano Activity Report
• Current Volcanic Eruptions
• Volcano World
• Volcanoes (Scenta)
• USGS: Volcano FAQs
• Volcanoes (USSARTF)
•   Geologist abseils inside volcano

• USGS: Living with Volcanoes - the Plus Side

• Virtual Volcano - National Geographic
• Volcano Movies featuring Kilauea, Hawai'i

• Towards a better understanding of hot-spot vulcanism

Effects of Volcanoes

• Volcanoes and Magma: Physicists explain
• Lahar, Mt Ruapehu, New Zealand - NASA Earth Observatory

• When a killer cloud hit Britain: 1783 eruption of Laki, Iceland - BBC

• Wikipedia: Supervolcanoes - Large Igneous Provinces
• Large Igneous Provnces Commission
• BBC Horizon: Supervolcanoes
• Geologists reveal secrets behind 'supervolcano' eruption
• Supervolcoes could trigger global freeze
• US: Yellowstone volcano inflating with magma at record rate