Mount St Helens and Spirit Lake, 1988. Image: Roger Suthren

Volcano video and audio clips

• Movie: Lava Flows (with sound)
• Movie: Advancing Lava Flows (with sound)
• Movie: Volcanic Ash Fallout
• Slide show : Damage Caused by Ash Fallout
• Movie: Volcanic Ash Flows
• Slide show : Damage Caused by Mount St. Helens Ash Flows
• Movie: Oceanic Volcano - explosive interaction of basaltic magma with sea water

Information on volcanoes and current volcanic activity

• Volcano links (this site contains many links to volcano topics)
• NASA Earth Observatory
• Photoglossary of Volcano Terms - USGS
• Volcanoes - an on-line introductory "text" from US Geological Survey
• Terrestrial Volcanoes at solarviews.com

Volcanic hazards

• US Geological Survey Fact Sheets - Volcano Hazards (scroll down the page)
• How BIG are Volcanic Eruptions? - the Volcanic Explosivity Index (VEI)
• Volcano Hazards (USGS)
• Volcanic Eruptions, Blasts, Plumes, Ballistics, etc.
• Volcanic Explosivity Index (VEI) - try this exercise

Ash falls

Ash flows

Mudflows (lahars) and floods

Magma-water interaction

• Geology of Interactions of Volcanoes, Snow, and Water
• Hydrovolcanic processes

Volcano collapse

• Volcano landslides
• Debris avalanches and landslides

Lava flows

Volcanic tsunamis

• Tsunamis and Seismic Sea Waves
• Giant wave devastation feared

Volcanic gases

• Volcanic Gas and Emissions
• Volcano 'drove up UK death toll'
• Volcanoes and Weather

Volcanoes and Health

• Volcanic ash and respiratory symptoms in children on the island of Montserrat, British West Indies

Photographs

• Lava flows and fountains, Izu-Oshima, Japan
• Pyroclastic flows,Unzen, Japan. Another photo set.

Volcano monitoring

• Volcano-monitoring methods. US Geological Survey. Essential reading - explore all the linked pages on volcano monitoring.
• Monitoring Active Volcanoes. On-line version of a book from US Geological Survey - essential reading
• Volcano monitoring in Hawaii. Photos of monitoring techniques. Essential reading.
• Volcano Cams - live video links to volcanoes around the world
• Remote Sensing of Volcanoes - Michigan Technical University
• TOMS - Total Ozone Mapping Spectrometer
• Thermal imaging of Volcanoes
• Measuring how Volcanoes Move
• Measuring Ground Deformation of Hawaii's Volcanoes
• Measuring Deformation with Tiltmeters
• A tiltmeter
• Measuring Tilt at Kilauea Volcano, Hawaii
• "Real-Time" Tiltmeter Monitoring - Augustine Island, Alaska

Eruption forecasting and preparedness

• Hazards maps
• Lava flow hazard zone maps
• Volcanic Hazards in New Zealand, including isopach and hazard maps
• Isopach map, Mt Oyama, Japan
• Mount St Helens 1980 ash plume map

Volcanoes and People

• Living with Volcanoes
• Impacts of Volcanic Gases on Climate, the Environment, and People
• Vulcanology - BBC Radio 4: "What causes volcanoes? What role do they play in the formation and maintenance of our planet? And is it ever possible to predict when and where they are about to erupt?" Read about the programme, or listen to it online.

Supervolcanoes - Eruptions with global effects

• Flood basalts, mantle plumes and mass extinctions
• Supervolcanoes (BBC TV)
• Yellowstone Volcano Observatory
• Yellowstone - USGS fact sheet

Volcanoes have their good points...

• The "Plus Side" of Volcanoes

Volcanoes, Environment and Atmosphere

• Volcanoes and Global Climate Change (NASA)
• EOS Remote Sensing of Volcanoes
• Tree Rings & Volcanoes
• Impacts of Volcanic Gases on Climate, the Environment, and People
• Volcanic Ash Clouds and Aircraft Safety
• Ecological impacts of Montserrat eruptions

Information on specific volcanoes or volcanic regions

• Montserrat Volcano Observatory
• Mount St. Helens, Washington - Current Information
• Virtually Hawaii: Virtual Field Trips
• Kilauea eruption update (Hawaii)
• Sicilian volcanoes: live cameras: Etna, Stromboli. Vulcano
• A Virtual Geological Field Trip to Iceland
• Pinatubo: "The Sleeping Giant Awakens"

Volcano software

• Erupt: volcanic eruption simulation
• Seismic/Eruption: "A program for the visualization of seismicity and volcanic activity in space and time"