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