Web Search Results for "Volcanoes"

Volcano - Wikipedia
9 Jan 2017 at 10:35am
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the ...

7 Jan 2017 at 1:08pm
Volcanoes are awesome manifestations of the fiery power contained deep within the Earth. These formations are essentially vents on the Earth's surface where molten ...

USGS: Volcano Hazards Program
26 Feb 2016 at 6:54pm
January is Volcano Awareness Month on the Island of Hawai?i. The USGS Hawaiian Volcano Observatory, in cooperation with Hawai?i Volcanoes National Park and the ...

Volcano Facts and Types of Volcanoes
20 Feb 2013 at 1:53am
A volcano is an opening in Earth's crust where magma breaks through, raining down molten rock, ash and gases. There are several types of volcanoes.

Volcanoes - Weather Wiz Kids
4 Jan 2017 at 8:06pm
Volcanoes (Volcanoes are not associated with weather, but instead are natural disasters.) What is a volcano? A volcano is a mountain that opens downward to a pool ...

Volcanoes and Volcanic Eruptions - Facts and Information
10 Jan 2017 at 12:28pm
Articles, facts, information and photos for volcanoes and volcanic activity. | Geology.com

Volcano World | Your World is Erupting | Oregon State University
15 Jan 2017 at 8:00pm
Most of the eruptions we hear about are eruptions that have impacted large communities, and the active volcanoes that tend to be the most monitored are those that ...

Volcanoes: Principal Types of Volcanoes
2 Jan 2011 at 6:58pm
Principal Types of Volcanoes. Geologists generally group volcanoes into four main kinds--cinder cones, composite volcanoes, shield volcanoes, and lava domes.

Volcanoes - 2017 News and Scientific Articles on Live Science
16 Jan 2017 at 11:27pm
Learn about the past, present and future of volcanoes and how these geological powerhouses lead to climate change, mass extinctions and more.

Volcanoes 101 - Video Home -- National Geographic
15 Jan 2017 at 2:43am
Volcanoes are as dangerous as they are majestic. Over 50 eruptions rock our planet every year. This video helps you understand what causes volcanoes to form and erupt ...

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