Volcanoes and Volcanic Eruptions

Incandescent Lava flows from Fissure 8 in the East Rift Zone of Kilauea Volcano.

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.

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

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.

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.

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

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.

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

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

Igneous Rocks Descriptions and photos of common igneous rocks.

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

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

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

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.

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

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

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

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.

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

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

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.

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

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

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

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.

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

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

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

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

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

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