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This animation is an adaptation of part of a narrated video shown in the HoloGlobe exhibit at the Smithsonain Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. The red triangles represent volcanic activity over a 36-year span. This animation is meant to be combined with a map of the earth, such as the Blue Marble imagery.
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This animation shows global volcano activity from 1960 through 1995. The size of each triangle indicates the strength of the activity of the volcano. Recently active volcanoes are shown in bright red. After a volcano has been inactive for a period of time its symbol fades to a dull red. -
http:/
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This
page
describes
how
quickly
an
earthquake-triggered
lahar
happened
and
the
losses
that
occurred.
Some
losses
may
have
occurred
because
people
did
not
know
they
should
flee
to
high
ground
after
an
earthquake.
Within
minutes
of
the
1994
magnitude
6.4
earthquake
beneath
the
south-southwest
flank
of
Nevado
del
Huila
volcano
in
Colombia,
dozens
of
landslides
swept
down
from
the
steep
valleys
above
...
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This
web
page
describes
the
lahars
that
swept
down
the
Drift
River
Valley
during
the
1989-90
eruption
of
Redoubt
Volcano,
Alaska,
and
the
testing
of
a
new
experimental
detection
and
warning
system
designed
to
track
lahars
and
debris
flows
and
to
give
warning
to
people
downstream.
In
this
case,
an
oil-storage
facility
in
the
Cook
Inlet
area
was
at
risk.
The
seismometers
used
(acoustic-flow
monitors)
...
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Through
an
electronic
peer
review
assignment,
students
write
a
general
summary
of
major
hazards
to
humans
in
the
vicinity
of
volcanoes.
Then,
students
are
provided
a
list
of
volcanoes
and
must
choose
one
to
determine
what
actions
they
would
take
to
minimize
the
risks
to
a
population.
This
activity
is
detailed
on
this
Starting
Point
site,
which
includes
its
learning
goals,
context
for
use,
teaching
...
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This
lesson
plan
will
help
students
gain
a
better
understanding
of
natural
events
and
consider
the
dangers
that
natural
hazards
and
natural
disasters
pose
to
humans.
Through
writing
and
by
gathering
and
comparing
data,
students
will
examine
factors
that
make
natural
phenomena
hazardous
to
people.
They
will
use
scientific
vocabulary
to
summarize
research
about
natural
hazards,
and
compare
and
discuss
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
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This
page
lists
Cascades
Range
volcanoes
of
British
Columbia,
Washington
State,
Oregon,
and
California.
The
user
can
click
on
the
volcano
name
to
get
information
on
the
volcano
and
its
vicinity
including
Current
Activity;
Background
and
Information;
Current
Hazards
Report;
Visit
a
Volcano;
Maps,
Graphics,
and
Images;
Items
of
Interest;
and
Useful
Links.
The
volcanoes
include:
Garibaldi
Lake
Volcano,
...
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Choosing & Using this resource...
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In
this
lesson,
students
investigate
the
processes
that
build
volcanoes,
the
types
of
rocks
they
create,
the
factors
that
influence
different
eruption
types,
and
the
threats
volcanoes
pose
to
their
surrounding
environments.
They
will
also
create
a
notebook
of
volcano
characteristics
and
use
what
they
have
learned
to
identify
physical
features
and
eruption
types
in
some
real-life
documented
volcanic
...
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This
module
studies
the
hazards
posed
by
Mount
Rainier,
a
mainland
volcano
near
Seattle,
Washington.
The
lessons
explain
the
geographical
context
of
Mount
Rainier,
how
people
prepare
for
the
worst
near
the
volcano
(including
hazard
area
identification
and
emergency
and
evacuation
plans),
hazards
from
eruption
(tephra
fall,
lava
flow,
and
pyroclastic
flow),
and
hazards
without
eruption
(sector
collapse,
...
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Choosing & Using this resource...
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This
portal
provides
selected
examples
of
maps
and
educational
reference
materials
that
deal
with
California
geography,
geology,
and
natural
resources
and
hazards.
Users
can
choose
from
a
list
of
fast
links
to
subject
categories
that
include
geography,
physiographic
provinces,
geology,
energy,
minerals,
natural
hazards,
climate,
and
many
others.
Within
each
category
are
a
selection
of
links
to
materials
...
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The focus of this activity is on the sequence of lava flows produced by multiple eruptions. Baking soda, vinegar, and play dough are used to model fluid lava flows. Various colors of play dough identify different eruption events. Students will be asked to observe where the flows travel, make a model, and interpret the stratigraphy.
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