Download Intro to Volcano Stations

Volcano Diagram
pyroclastic material
Volcano - a place
where magma
reaches the surface
due to its lower
density.
vent
side vent
lava flow
A “window” into the
Earth’s interior
A constructive &
destructive force,
creating new crust
and destroying it in
explosive eruptions
magma chamber
Explosive Eruptions:
Examples & Description
Mt. St. Helens (1980)
Mt. Redoubt, Alaska (1990)
Examples include
volcanoes along the
Ring of Fire
Briefly describe the
eruption type
Pinatubo (1991)
Explosive Eruptions:
What makes magma explosive?
Explosive Eruptions:
Types of Pyroclastic Material
(also called cinders)
Explosive Eruptions:
Why are pyroclastic flows so dangerous?
Nonexplosive Eruptions:
Examples & Description
Examples
include
volcanoes in
Hawaii and
along the MidAtlantic Ridge
Briefly
describe the
eruption type
Nonexplosive Eruptions:
Types of Lava
Types of Volcanoes:
Shield Volcanoes
Describe (1) how it forms; (2) its shape; &
(3) provide an example.
Types of Volcanoes:
Cinder Cone Volcanoes
Describe (1) how it forms; (2) its shape; &
(3) provide an example.
Types of Volcanoes:
Composite Volcanoes
Describe (1) how it forms; (2) its shape; &
(3) provide an example.
Volcanic Eruptions & Climate Change
Formation of Magma