Web Search Results for "Volcanoes"

Volcano - Wikipedia
16 Oct 2016 at 7:44am
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 ...

18 Oct 2016 at 5:43pm
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 ...

Volcano Facts and Types of Volcanoes - Live Science
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
21 Oct 2016 at 1:07pm
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
20 Oct 2016 at 6:42am
Articles, facts, information and photos for volcanoes and volcanic activity. | Geology.com

Volcano World | Your World is Erupting | Oregon State University
17 Oct 2016 at 4:54pm
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 ...

USGS: Volcano Hazards Program
19 Oct 2016 at 2:18am
USGS: Volcano Hazards Program - ... 30 Years of the Volcano Disaster Assistance Program. There are approximately 1,550 potentially active volcanoes around the world ...

Volcanoes - 2016 News and Articles About Volcanic Eruptions
18 Oct 2016 at 1:46pm
Learn about the past, present and future of volcanoes and how these geological powerhouses lead to climate change, mass extinctions and more.

Volcanoes - Learner
21 Oct 2016 at 11:58pm
This interactive exhibit, part of the Exhibits Collection, explores why volcanic eruptions occur. Activities in the exhibit invite visitors to melt rocks, locate ...

Volcanoes 101 - Video Home -- National Geographic
21 Jul 2015 at 4:34pm
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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