Volcanoes and Volcanic Eruptions

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

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

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

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

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

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

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.

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.

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

Igneous Rocks Descriptions and photos of common igneous rocks.

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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