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crust of a planetary-m**** object, such as Earth, that
allows hot lava,
volcanic ash, and
gases to
escape from a
magma chamber below the surface. On Earth...
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Several types of
volcanic eruptions—during
which material is
expelled from a
volcanic vent or fissure—have been
distinguished by volcanologists. These...
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volcanic eruptions by
human death toll.
Lists of
disasters List of
volcanic eruption deaths List of
natural disasters by
death toll List of
volcanic eruptions...
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Volcanic ash
consists of
fragments of rock,
mineral crystals, and
volcanic gl****,
produced during volcanic eruptions and
measuring less than 2 mm (0.079 inches)...
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wind-driven sand or ice
crystals Volcanic arc –
Chain of
volcanoes formed above a
subducting plate Volcanic cone –
Landform of
ejecta from a
volcanic...
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Wind direction is
generally reported by the
direction from
which the
wind originates. For example, a
north or
northerly wind blows from the
north to the...
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Sinkhole Cold wave Heat wave Heat
burst Polar vortex Volcanic eruption Volcanic lightning Volcanic ash
Cyclones Extratropical cyclone European windstorms...
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typically of
volcanic origin, are also
loosely called "stacks" or "
volcanic stacks".
Stacks typically form in
horizontally bedded sedimentary or
volcanic rocks...
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Tephra is
fragmental material produced by a
volcanic eruption regardless of composition,
fragment size, or
emplacement mechanism.
Volcanologists also refer...
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Poles may be snow
covered or destro**** by
wind gusts in winter. Most of the walk is
through raw
volcanic terrain. The
three volcanoes in the area are...
