-
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. The process...
-
Volcanic rocks (often
shortened to
volcanics in
scientific contexts) are
rocks formed from lava
erupted from a volcano. Like all rock types, the concept...
-
Several types of
volcanic eruptions—during
which material is
expelled from a
volcanic vent or fissure—have been
distinguished by volcanologists. These...
-
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)...
- A
volcanic plug, also
called a
volcanic neck or lava neck, is a
volcanic object created when
magma hardens within a vent on an
active volcano. When present...
- (VABs) are the
official source of
warnings and
alerts including current Volcanic Alert Level (VAL),
intended to
inform stakeholder agencies, authorities...
-
Volcanic lightning is an
electrical discharge caused by a
volcanic eruption rather than from an
ordinary thunderstorm.
Volcanic lightning arises from...
- -105.5544 The
Thirtynine Mile
volcanic area, part of the
larger Central Colorado volcanic field, is an
extinct volcanic area
located in Park and Teller...
-
Volcanic cones are
among the
simplest volcanic landforms. They are
built by
ejecta from a
volcanic vent,
piling up
around the vent in the
shape of a cone...
-
Volcanic plume or
volcanic plume may
refer to:
Eruption plume, a
column of hot
volcanic ash and gas
emitted into the
atmosphere during an
explosive volcanic...