Volcanoes and Volcanic Eruptions

Solar System Volcanoes occur on Earth and moons of Jupiter, Saturn and Neptune.Gifts That Rock
Gifts That Rock - What are the most popular gift items in the store?St. Helens - 30 Years
Mount St. Helens - 30 Years Two USGS videos review the eruption and its impact.Blue Flames
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.Mount Etna
Mount Etna The most active volcano in Europe, continues an eruption that started in 2001.Yellowstone Caldera
Yellowstone Supervolcano Three USGS videos explain the history and eruptive activity.Igneous and Volcanic
Igneous and Volcanic Features an introduction to how these rocks occur below and above ground.Dangerous Volcano
Mount Rainier A dangerous volcano with a history of deadly lahars and pyroclastic flows.Mount Vesuvius
Mount Vesuvius Geology, history, maps, facts and more about Vesuvius Volcano.Igneous Rocks
Igneous Rocks Descriptions and photos of common igneous rocks.Stromboli Volcano
Stromboli Volcano Geology, history, maps, plate tectonics and more.Largest Volcano
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.Mars Volcano
Olympus Mons The largest volcano in the solar system is on Mars.Santa Maria Volcano
Santa Maria A volcano in Guatemala. Produced one of the largest eruptions of the 1900s.Teaching Tectonics
Teaching Plate Tectonics Students enjoy learning with easy-to-draw illustrations.Volcanic Hazards
Volcanic Hazards Lava, pyroclastic density currents, lahars, gases and more.Novarupta
The most powerful eruption of the 20th century was initially blamed on the wrong volcano.Helenite
Helenite is a man-made glass produced by fusing ash from the 1980 Mount St. Helens eruption.Chaiten Volcano
Chaiten Volcano Geology, history and facts about this explosive volcano.Volcanic Lightning
Redoubt Volcano Lightning Photographs of lightning in the Redoubt Volcano ash cloud.Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.Great Rift Valley
The East Africa Rift System Volcanics and tectonics of this active rift system.Mount Cleveland
Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.Types Of Eruptions
Types of Volcanic Eruptions A description of the most common eruption types.Volcanic Ash
Volcanic Ash Learn about volcanic ash, volcanic dust and their impacts.Eruption Photos
Spectacular Eruption Photos A collection of volcanic eruption photos by USGS, NASA, NOAA.Calderas
Calderas are large volcanic craters formed by some of Earth's largest eruptions.Volcanic Explosivity
Volcanic Explosivity Rating volcanic eruptions based upon the volume of tephra ejected.Pele*s Hair
Pele*s Hair and Pele*s Tears are two unusual types of lava found at Kilauea and other volcanoes.What is a Maar?
What is a Maar? The second most common volcanic landscape feature on Earth.Dallol Volcano
Dallol Volcano is one of the strangest landscapes on earth - at 269 feet below sea level.Kilauea Eruption
Kilauea Eruption - photos of the 2018 eruption in the East Rift Zone of Kilauea Volcano.Lo'ihi Seamount
The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.Redoubt Volcano
Redoubt Facts, history, geology, hazards and plate tectonics of this Alaskan volcano.Galeras Volcano
Galeras Volcano The most active volcano in Colombia. Volcanoes on Venus?
Volcanoes on Venus? The surface of Venus is covered by lava flows and shield volcanoes.Mount Agung
Mount Agung is an active and dangerous volcano on the island of Bali, Indonesia.Kick 'em Jenny
Kick 'em Jenny is a submarine volcano and one of the most active on the Caribbean plate.Geology Tools
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.Lunar Rift System
Lunar Rift System? Gravity maps revise the geologic history of the near side of the Moon.Arenal Volcano
Arenal Volcano Geology, history, hazards, plate tectonics and more.Pavlof Volcano
Pavlof Volcano - an active North American volcano and a threat to air traffic.