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Volcano Facts, Volcano Information, Volcano Videos, Volcano Photos

Volcano Facts, Volcano Information, Volcano Videos, Volcano Photos
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 rock, debris, and gases from the planet's interior are emitted. When thick magma and large amounts of gas build up under the surface, eruptions can be explosive, expelling lava, rocks and ash into the air. Less gas and more viscous magma usually mean a less dramatic eruption, often causing streams of lava to ooze from the vent. The mountain-like mounds that we associate with volcanoes are what remain after the material spewed during eruptions has collected and hardened around the vent. A large eruption can be extremely dangerous for people living near a volcano. Volcanoes tend to exist along the edges between tectonic plates, massive rock slabs that make up Earth's surface. About 1,900 volcanoes on Earth are considered active, meaning they show some level of activity and are likely to explode again. Related:  VolcanoAdditional Websites

How Volcanoes Work" Whenever there is a major volcanic eruption in the world, you'll­ see a slew of newspaper articles and nightly news stories covering the catastrophe, all stressing a familiar set of words -- violent, raging, awesome. When faced with a spewing volcano, people today share many of the same feelings volcano-observers have had throughout human history: We are in awe of the destructive power of nature, and we are unsettled by the thought that a peaceful mountain can suddenly become an unstoppable destructive force! While scientists have cleared up much of the mystery surrounding volcanoes, our knowledge has not made volcanoes any less amazing. In this article, we'll take a look­ at the powerful, violent forces that create eruptions, and see how these eruptions build volcanic structures like islands. ­When people think of volcanoes, the first image that comes to mind is probably a tall, conical mountain with orange lava spewing out the top. There are certainly many volcanoes of this type.

Volcano Facts for Kids | Ring of Fire | Brought to You by Fireplace Spot When volcanoes are active, gas, ash, and hot magma can escape from them. These volcanic eruptions can be a violent yet spectacular vision. Volcanoes have been around since the Earth started forming. The word volcano originates from Vulcan, the name of the Roman God of fire. Volcanoes are typically located at the meeting point of tectonic plates. The hot liquid rock located under the surface of the Earth is called magma. What is a Volcano? Volcanoes are large, mountain-like openings in the Earth’s surface. Volcanoes – FEMA for kids teaches kids about volcanoes and how to prepare a disaster supply kit. How is a Volcano Formed? The movement of tectonic plates is what causes most volcanoes to form. How Do Volcanoes Form? What Causes a Volcano to Erupt? The cause of volcanoes erupting is from the plates moving. What Causes Volcanic Eruption? What are Plate Tectonics? At the bottom of the ocean floor there are trenches and ridges, which are similar to mountains except they are under water.

GeoTopics @ GeoNet What is a volcano? A volcano is a conical hill or mountain formed by material from the mantle being forced through an opening or vent in the Earth's crust. back to top What are the main features of a volcano? What are active, dormant and extinct volcanoes? Volcanoes are found in three states - extinct, dormant and active. Where are volcanoes located? Volcanoes are found along destructive (subducting) (diagram) plate boundaries, constructive (divergent) (diagram) plate boundaries and at hot spots in the earth's surface. What is the Ring of Fire? The 'Ring of Fire' (map) is a volcanic chain surrounding the Pacific Ocean. What are lahars and pyroclastic flows? The most destructive aspect of volcanoes are lahars and pyroclasic flows. Why do people live close to volcanoes? Volcanoes have a wide range of effects on humans. People live close to volcanoes because Geothermal energy can be harnessed by using the steam from underground which has been heated by the Earth's magma. Case studies

Weather Wiz Kids weather information for kids 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 of molten rock below the surface of the earth. When pressure builds up, eruptions occur. Click Here to learn more about volcanoes from USGS. How are volcanoes formed? What are plate tectonics? Click Here to learn more about plate tectonics and the drifting of our continents. How many volcanoes are there? What are the different types of volcanoes? What is the difference between lava and magma? Why does lava take a long time to cool down? What is a pyroclastic flow? What is lahar? What is pumice? What is the largest active volcano? What is the Ring of Fire? When did Mount St. Click Here for more info on Mount St. Click Here to see an animation of an earthquake and the resulting tsunami. Know the Lingo MAGMA - Magma is the liquid rock inside a volcano.LAVA - Lava is the liquid rock (magma) that flows out of a volcano. Volcano Safety Tips

Volcano Survival Tips <span><a target="_self" href="/index.html">Home</a> | <a target="_self" href="/AboutUs.html">About Us</a> | <a target="_self" href="">Contact Us</a></span> <span><a target="_self" href="/Hurricanes.html">Hurricanes</a> | <a target="_self" href="/Tsunamis.html">Tsunamis</a> | <a target="_self" href="/Earthquakes.html">Earthquakes</a> | <a target="_self" href="/Volcanoes.html">Volcanoes</a> | <a target="_self" href="/Landslides.html">Landslides</a> | <a target="_self" href="/Winterstorms.html">Winter Storms</a> | <a target="_self" href="/Tornadoes.html">Tornadoes</a> | <a target="_self" href="/Floods.html">Floods</a> | <a target="_self" href="/Wildfires.html">Wildfires</a></span> <span><a target="_self" href="/index.html">Home</a> | <a target="_self" href="/AboutUs.html">About Us</a> | <a target="_self" href="/Links.html">Links</a> | <a target="_self" href="">Contact</a></span> Protecting Yourself During a Volcanic Eruption

Online Activities: Weather Watch Volcanoes The Basics What is it? Volcanoes are mountains that come in various shapes and sizes, some towering tens of thousands of feet high and others just small domes that rise about 100 feet. Unlike other mountains, though, these natural wonders can erupt with powerful and potentially lethal force. Openings, or vents, in the volcano lead below the earth's surface to very hot chambers several miles underground where there are pools of magma (molten or melted rock), pieces of hot solid rock, and hot gases. A non-explosive, or effusive, volcano produces lava (magma that has erupted from the earth). Lava can travel up to 60 miles per hour during an eruption. Eruptions can cause lateral blasts (which blow sideways instead of straight up), lava flows, hot ash flows, mudslides, avalanches, and falling ash. The earth's outermost layer, or crust, is made up of a number of shifting tectonic plates. Learn about volcanoes in depth.

Volcano A volcano is a place on the Earth's surface (or any other planet's or moon's surface) where molten rock, gases and pyroclastic debris erupt through the earth's crust. Volcanoes vary quite a bit in their structure - some are cracks in the earth's crust where lava erupts, and some are domes, shields, or mountain-like structures with a crater at the summit. Magma is molten rock within the Earth's crust. Volcanic eruptions can cause great damage and the loss of life and property. The Word Volcano: The word volcano comes from the Roman god of fire, Vulcan. Extreme Volcanoes: The largest volcano on Earth is Hawaii's Mauna Loa. The largest volcano in our Solar System is perhaps Olympus Mons on the planet Mars. Click on an underlined word for more information on that subject.If the volcano term you are looking for is not in the dictionary, please e-mail us. Go to Volcano Activities

Fun Volcano Facts for Kids - Interesting Facts about Volcanoes Volcanoes are openings in the Earth’s surface. When they are active they can let ash, gas and hot magma escape in sometimes violent and spectacular eruptions. The word volcano originally comes from the name of the Roman god of fire, Vulcan. Volcanoes are usually located where tectonic plates meet. This is especially true for the Pacific Ring of Fire, an area around the Pacific Ocean where over 75% of the volcanoes on Earth are found. Weekly Reader Current Events A giant volcano on the island of Hawaii is becoming active, scientists say. A volcano is an opening in the earth through which gases, ashes, and melted rock may come. Sometimes these materials erupt, or come out, with such force that they rise high into the air. Hawaii is a state that is made up of different islands. The last time Mauna Loa erupted was in 1984. Recently, scientists have noticed changes in Mauna Loa. Since 1984, people have moved to places around Mauna Loa. For now, experts say that people should not worry too much about Mauna Loa erupting.

Volcanic Hot Spots - Geology For Kids Volcanic Hot Spots In many locations the hot molten magma from deep within the Earth rises up through the crust to reach the surface. This sometimes happens in the middle of plates. When a hot spot forms in the middle of a plate, it remains constant, as the plate continues to move over it. One of the most famous hot spots on Earth are the Hawaiian Islands.