Volcanoes and Volcanic Eruptions

Solar System Volcanoes Earth is not the only location of volcanic activity.

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.

Mount St. Helens - 30 Years Two USGS videos review the eruption and its impact.

Kilauea Eruption - photos of the 2018 eruption in the East Rift Zone of Kilauea Volcano.

Olympus Mons The largest volcano in the solar system is on Mars.

Mount Vesuvius Geology, history, maps, facts and more about Vesuvius Volcano.

Mount Rainier A dangerous volcano with a history of deadly lahars and pyroclastic flows.

Pele*s Hair and Pele*s Tears are two unusual types of lava found at Kilauea and other volcanoes.

Igneous Rocks Descriptions and photos of common igneous rocks.

Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.

Volcanic Hazards Lava, pyroclastic density currents, lahars, gases and more.

Volcanic Ash Learn about volcanic ash, volcanic dust and their impacts.

Stromboli Volcano Geology, history, maps, plate tectonics and more.

Teaching Plate Tectonics Students enjoy learning with easy-to-draw illustrations.

The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.

The most powerful eruption of the 20th century was blamed on the wrong volcano.

Helenite is a man-made glass produced by fusing ash from the 1980 Mount St. Helens eruption.

Types of Volcanic Eruptions A description of the most common eruption types.

The East Africa Rift System Volcanics and tectonics of this active rift system.

How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.

Mount Agung is an active and dangerous volcano on the island of Bali, Indonesia.

Chaiten Volcano Geology, history and facts about this explosive volcano.

Spectacular Eruption Photos A collection of volcanic eruption photos by USGS, NASA, NOAA.

Calderas are large volcanic craters formed by some of Earth\'s largest eruptions.

Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.

Kick 'em Jenny is a submarine volcano and one of the most active on the Caribbean plate.

Redoubt Volcano Lightning Photographs of lightning in the Redoubt Volcano ash cloud.

Santa Maria A volcano in Guatemala. Produced one of the largest eruptions of the 1900s.

What is a Maar? The second most common volcanic landscape feature on Earth.

Volcanoes on Venus? The surface of Venus is covered by lava flows and shield volcanoes.

Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.

Volcanic Explosivity Rating volcanic eruptions based upon the volume of tephra ejected.

Lunar Rift System? Gravity maps revise the geologic history of the near side of the Moon.

Redoubt Facts, history, geology, hazards and plate tectonics of this Alaskan volcano.

Dallol Volcano is one of the strangest landscapes on earth - at 269 feet below sea level.

Pavlof Volcano - an active North American volcano and a threat to air traffic.

Arenal Volcano Geology, history, hazards, plate tectonics and more.

Galeras Volcano The most active volcano in Colombia. Article by Jessica Ball.