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Volcanoes and Volcanic Eruptions
Pele*s Hair and Pele*s Tears are two unusual types of lava found at Kilauea and other volcanoes.
Kilauea - Foggy Ocean Entry viewed through morning rain and clouds of steam.
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.
Mount Etna The most active volcano in Europe, continues an eruption that started in 2001.
Yellowstone Supervolcano Three USGS videos explain the history and eruptive activity.
The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.
Mount Vesuvius Geology, history, maps, facts and more about Vesuvius Volcano.
St. Helens - 30 Years
Mount St. Helens - 30 Years Two USGS videos review the eruption and its impact.
Mount Rainier A dangerous volcano with a history of deadly lahars and pyroclastic flows.
Mount Agung is an active and dangerous volcano on the island of Bali, Indonesia.
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
Kick 'em Jenny
Kick 'em Jenny is a submarine volcano and one of the most active on the Caribbean plate.
Volcanic Hazards Lava, pyroclastic density currents, lahars, gases and more.
Igneous Rocks Descriptions and photos of common igneous rocks.
The most powerful eruption of the 20th century was blamed on the wrong volcano.
Stromboli Volcano Geology, history, maps, plate tectonics and more.
Santa Maria Volcano
Santa Maria A volcano in Guatemala. Produced one of the largest eruptions of the 1900s.
Teaching Plate Tectonics Students enjoy learning with easy-to-draw illustrations.
Great Rift Valley
The East Africa Rift System Volcanics and tectonics of this active rift system.
Volcanic Explosivity Rating volcanic eruptions based upon the volume of tephra ejected.
Olympus Mons The largest volcano in the solar system is on Mars.
Types Of Eruptions
Types of Volcanic Eruptions A description of the most common eruption types.
Spectacular Eruption Photos A collection of volcanic eruption photos by USGS, NASA, NOAA.
Volcanic Ash Learn about volcanic ash, volcanic dust and their impacts.
Chaiten Volcano Geology, history and facts about this explosive volcano.
Calderas are large volcanic craters formed by some of Earth\'s largest eruptions.
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.
Helenite is a man-made glass produced by fusing ash from the 1980 Mount St. Helens eruption.
Pavlof Volcano - an active North American volcano and a threat to air traffic.
Dallol Volcano is one of the strangest landscapes on earth - at 269 feet below sea level.
What is a Maar?
What is a Maar? The second most common volcanic landscape feature on Earth.
Redoubt Volcano Lightning Photographs of lightning in the Redoubt Volcano ash cloud.
Redoubt Facts, history, geology, hazards and plate tectonics of this Alaskan volcano.
Volcanoes on Venus?
Volcanoes on Venus? The surface of Venus is covered by lava flows and shield volcanoes.
Solar System Volcanoes Earth is not the only location of volcanic activity.
Galeras Volcano The most active volcano in Colombia. Article by Jessica Ball.
Arenal Volcano Geology, history, hazards, plate tectonics and more.