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 ...
Volcanoes are awesome manifestations of the fiery power contained deep within
the Earth. These formations are essentially vents on the Earth's surface where ...
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
List & map of active volcanoes erupting at present/ VolcanoDiscovery. ... Volcanic
activity worldwide 24 Sep 2016: Klyuchevskoy volcano, Dukono, Yasur, ...
Unlike most mountains, which are pushed up from below, volcanoes are vents
through which molten rock escapes to the earth's surface. When pressure from ...
Feb 27, 2016 ... Monitors volcanoes and collects scientific information on volcanoes in the United
States and elsewhere to reduce the risk from volcanic activity.
Volcanoes are formed when magma from within the Earth's upper mantle works
its way to the surface. At the surface, it erupts to form lava flows and ash deposits
Volcanoes are monuments to Earth's origin, evidence that its primordial forces
are still at work. During a volcanic eruption, we are reminded that our planet is an
Brings modern and near real-time volcano information.
Smithsonian Institution's complete background and eruption information on 1500
volcanoes during the past 10000 years.