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