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This site presents a summary of current volcanic eruptions and images and videos of volcanoes on Earth. Discussions of the characteristics of volcanism on other worlds in our solar system are also presented and are accompanied by maps and imagery. Links to volcano observatories, parks, and monuments around the world are also included.
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This
site
highlights
the
Nova
television
program
Volcano's
Deadly
Warning
broadcast
in
November
of
2002.
In
addition
to
a
description
of
the
program,
which
included
information
on
the
eruptions
of
Galeras
and
Nevado
del
Ruiz
in
Columbia
and
Popocatepetl
in
Mexico,
the
site
has
four
other
sections.
There
is
an
interactive
slide
show
that
includes
information
about
ash,
lava
flow,
lava
domes,
lava,
...
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This
United
States
Geological
Survey
(USGS)
on-line
publication
discusses
the
events
of
the
1980
eruption
of
Mount
Saint
Helens
in
Washington
state
and
subsequent
volcanic
activity
since
that
time.
The
report
begins
with
the
first
signs
of
activity
before
the
May
18th
eruptions
and
a
summary
of
the
eruption
with
information
about
lahars,
ash
falls
and
volcanic
gases.
The
report
also
discusses
explosions,
...
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This
United
States
Geological
Survey
(USGS)
on-line
publication
highlights
the
events
and
aftermath
of
the
June
15,
1991
eruption
of
Mt.
Pinatubo
in
the
Philippines,
which
was
the
second-largest
volcanic
eruption
of
the
20th
century.
This
report
discusses
the
precursors
to
the
1991
eruption
including
the
occurrence
of
earthquakes,
dome
growth
and
steam
emissions.
The
explosive
eruptions
from
June
...
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This
site
contains
information
about
Lassen
Peak,
a
stratovolcano
with
a
volcanic
dome
in
the
Cascade
Range.
The
site
features
links
to
all
aspects
of
the
volcano,
such
as
its
geographic
setting,
and
geologic
and
eruptive
history.
The
site
explains
that
it
is
one
of
the
youngest
major
Cascade
volcanoes
and
that
most
of
the
mountain
is
a
single
mass
of
dacite
rock,
emplaced
in
a
relatively
short
time.
...
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This glossary of terms is specific to the discussion of volcanoes. It contains terms such as aa (a type of lava), and silicic (a term used to describe silica-rich volcanic rock or magma). Many of the terms not only have definitions, but serve as active links to sites with additional information about the term.
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This
online
simulator
lets
students
observe
what
happens
to
volcanic
eruptions
as
the
silica
content
of
the
magma
changes.
Operating
a
slider
changes
the
percentage
of
silica,
and
the
display
shows
the
rock
type,
type
of
eruption,
and
type
of
volcanic
edifice.
It
also
displays
temperature,
pressure,
viscosity
of
the
lava,
and
seismic
activity.
A
brief
tutorial
describes
how
to
use
the
simulator
and
...
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This
United
States
Geological
Survey
(USGS)
on-line
publication
covers
the
volcanic
history
of
the
Lassen
Volcanic
National
Park
area
in
California.
This
includes
information
about
identifying
hazardous
volcanic
processes
in
Lassen
(ash
falls,
basaltic
lava
flows)
and
studying
non-eruptive
hazards
(rockfalls,
landslides).
Details
about
the
prospect
of
future
eruptions
and
monitoring
for
volcanoes,
...
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This resource references :
How Old is "Cinder Cone" - Solving a Mystery in Lassen Volcanic Park, California -
http:/
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This
web
site
is
a
good
place
to
start
for
anyone
seeking
information
on
the
geology
and
management
of
natural
hazards
phenomena
related
to
volcanoes
and
hydrologic
and
geothermal
processes.
Some
information
is
included
on
landslides,
earthquakes,
faults,
and
tsunamis.
In
addition
to
a
brief
definition
of
the
terms,
the
site
provides
background
information
on
related
terms;
maps,
graphics
and
images;
...
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The glossary has about 60 terms that are primarily types of volcanoes or vents, eruption types, and eruptive products. Clicking on a term displays a captioned photograph illustrating the concept and a glossary definition. Below the photgraph are related glossary terms and sometimes other information or photograph links.
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