A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava ... Erupting volcanoes can pose many hazards, not only in the
immediate vicinity of the eruption. ...
Some volcanic eruptions are explosive and other are not. How explosive an
eruption is depends on how runny or sticky the magma is. If magma is thin and ...
Volcanoes erupt because of density and pressure. The lower density of the
magma relative to the surrounding rocks causes it to rise (like air bubbles in
Jan 5, 2015 ... The eruption of a volcano can be one of the planet's most destructive events —
spewing huge amounts of rock, gas and ash that can kill people.
Volcanic eruptions can either be effusive or explosive. An effusive volcanic
eruption occurs when the lava pours out onto the ground from the volcano's vent.
Hot melted rocks collect under the Earth's surface and when the pressure
becomes too hard, the Earth's skin breaks, and a volcano erupts. The melted rock
A volcano erupts through the build-up and release of pressure, whether that
pressure is of its underlying magma, water or both. This release can be explosive
When a part of the earth's upper mantle or lower crust melts, magma forms. A
volcano is essentially an opening or a vent through which this magma and the ...
www.ask.com/youtube?q=How Does A Volcano Erupt&v=-kQwudeT3ww
Jun 29, 2013 ... A quick and fun cartoon lesson about volcanoes. ... All About Volcanoes: How
They Form, Eruptions & More! ... Why Do Volcanoes Erupt?
www.ask.com/youtube?q=How Does A Volcano Erupt&v=6CBnqZkascs
May 15, 2015 ... Volcano eruption - Lava Volcano erupting - Hawaii volcano - Lava lake - Lava
flow- 2015 Volcano eruption - Lava Volcano eruption - Hawaii ...