Volcanology

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M. Alexandra Matiella Novak, M.A. Matiella Novak

Feature Writer Alexandra Matiella Novak

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Alexandra Matiella Novak

Antarctica's Mount Erubus Volcano

Antarctica is most well-known for its glaciers and penguins, but this snow-covered continent is very much alive with geothermal and volcanic activity. more...

Volcano Fields of the United States

Where the crust is stretched thin by tectonic activity, magma is able to rise through the surface. In the Western interior of the U.S., this has led to volcanoes. more...

Subduction Zone Volcanoes of the United States

Subduction zones are one of the tectonic zones of the U.S. that produce volcanic activity. The Cascades Volcano Range and the Aleutian Island Volcano Arc are examples. more...

The Carbonate Volcano of Africa

The vast majority of volcanoes erupt silica based magma, but this African volcano erupts magma that is carbonate based, making it very unique. more...

Origins of Volcanism

Volcanism requires both a source of heat and something to melt. The planet provides the material for melting and the heat comes from a variety of sources. more...

The Types of Volcanoes

The shapes and sizes of volcanoes are dependent on how frequently they erupt as well as the style of eruption. more...

Satellite Images of Mt. Redoubt Volcano Eruption

The new eruption of Mt. Redoubt volcano was anticipated for weeks and started with an increase in seismic activity. Satellite images show large volcanic ash clouds. more...

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Volcanology

Geothermal Energy Under Newberry Volcano, Oregon

By: David Katski

In today's demand for alternative energy, the potential for geothermal electricity at Newberry Volcano seems promising, but will a viable hydrothermal source be found? more...

The Geology of Crater Lake National Park

By: David Katski

Crater Lake is one of Oregon's natural wonders. With a unique geological history, and active hydrothermal vents, could this volcano still be a force in the future? more...

Is Japan Really a Volcanic Island Arc?

By: Gina Barnes

Japan is known for beautiful strato-volcanoes and large caldera volcanoes. These are recent additions to a geological base of ocean-derived rocks and sediments. more...

Volcano Krakatoa becoming Active

By: Feature Writer Rupert Taylor

Recent rumblings of a volcano in Indonesia have scientists keeping a closer eye on the mountain that once caused a monster eruption. more...

Types of Volcanic Hazards

By: Feature Writer Dianne Turgeon

Geologists have identified several types of volcanic hazards. During an eruption, many of these processes can happen at once. more...

Giant's Causeway, Basalt, and Cornstarch

By: Anne Hamre

Lowly cornstarch, plus the ingenuity of a physicist, a mathematician, and a graduate student, find the link between the drying time of basalt and its column-height. more...

Birth of Volcanic Island Caught on Camera

By: Christine Fadhley

The crew of the yacht Maiken are the first to discover the birthing of a volcanic isle. Amazing Photographs of this wonder of Mother Earth. more...

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