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. ...
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 ...
Jan 6, 2016 ... A team of volcanologists led by the University of Liverpool have released a
perhaps controversial Nature study on the causes of volcanic ...
A volcano is a geological feature of the earth where an opening allows magma to
escape from the mantle of the planet.
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
www.ask.com/youtube?q=Causes of Erupting Volcanoes&v=ShOFQ2h2fws
Jun 19, 2014 ... Volcanoes form when magma from the earth's interior is able to make its way to
the surface, via a vent. This is usually associated with plate ...
Volcanoes form when magma reaches the Earth's surface, causing eruptions of
lava and ash. They occur at destructive (compressional) and constructive ...
These earthquakes can cause land to subside and can produce large ground ...
Volcano-tectonic earthquakes don't indicate that the volcano will be erupting but
Jan 2, 2013 ... Rapid sea level rise over the last million years has caused increases in volcanic
eruptions, a new study suggests.
Aug 5, 2016 ... ... an enormous volcanic eruption. But, have you ever wondered what causes a
volcano to erupt? If you have, this article has the answer for you.