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This
website
presents
ocean
topography
as
measured
by
sea
surface
heights
taken
from
space
by
NASA
and
CNES.
Ocean
heat
circulation
impacts
weather
and
causes
events
such
as
Large
El
Nino,
Hurricane
Katrina,
Indian
Ocean
Tsunami
and
La
Nina.
These
events
and
the
latest
view
of
sea
surface
height
are
depicted
with
this
3D
interactive
viewer.
Objectives
of
NASA
missions
TOPEX/
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Long
before
the
devastating
December
2004
Indian
Ocean
event,
tsunamis
had
already
been
implicated
in
the
widespread
death
and
destruction
in
Java
and
Sumatra
following
the
1883
eruption
of
Krakatoa.
Tsunamis
are
also
blamed
for
the
collapse
of
the
ancient
Minoan
civilization
on
Crete.
These
waves
are
capable
of
overrunning
almost
any
coastline
in
the
world
and
exacting
a
serious
toll
on
both
property
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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Natural
hazards
such
as
earthquakes,
tsunamis,
and
volcanoes
affect
both
coastal
and
inland
areas.
Long-term
data
from
these
events,
including
photographs,
can
be
used
to
establish
the
past
record
of
natural
hazard
event
occurrences.
These
data
are
also
important
for
planning,
response,
and
mitigation
of
future
events.
The
National
Geophysical
Data
Center
plays
a
major
role
in
post-event
data
collection.
...
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This portal offers access to data on recent earthquakes and volcanic activity in the Pacific Northwest, particularly Washington and Oregon. Materials presented here include catalogs and data from previous earthquakes, including historic events, information on earthquake hazards and research activities of the PNSN, and links to news articles, frequently asked questions, and educational materials.
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Visitors
to
this
site
can
access
general
information
about
earthquakes,
such
as
frequently
asked
questions,
seismic
hazards,
and
building
code
information.
Real-time
information
on
specific
events
in
western
Canada
is
available
in
the
form
of
maps
and
lists,
and
is
updated
hourly.
For
teachers,
there
is
a
set
of
links
to
background
materials,
computer
and
classroom
activities,
and
seismic
data.
A
...
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At this site, users can read and view pictures and videos that explain the mechanisms that trigger tsunamis, how they travel across great distances of the ocean, and what damage they cause.
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This
site
is
the
homepage
of
the
United
States
Geological
Survey's
(USGS)
Coastal
and
Marine
Geology
Program.
Materials
available
here
include
links
to
news
articles
and
publications,
topics
of
study,
and
regions
of
study.
Search
choices
include
topic,
region
or
content
type
(research
project,
educational
material,
datasets,
etc.).
Study
topics
are
grouped
by
coastal
issues,
marine/
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This
portal
provides
access
to
maps,
data,
and
other
information
on
the
distribution
and
frequency
of
natural
hazards
in
the
United
States.
The
material
is
arranged
into
seven
categories:
earthquakes,
floods,
hurricanes,
landslides,
tsunamis,
volcanoes,
and
wildfires.
There
are
also
links
to
disaster
emergency
and
relief
organizations
and
to
real-time
resources
such
as
RSS
feeds,
advisories,
and
the
...
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Research
program
investigating
impacts
of
submarine
volcanoes
and
hydrothermal
venting
on
the
global
ocean.
Research
focuses
on
acoustic
monitoring
of
earthquake
and
volcano
activity,
vent
chemistry,
and
vent
fluid
transport.
Research
sites
located
in
northeastern
Pacific,
western
Pacific,
eastern
Pacific
and
northern
Atlantic
and
include
Mariana
Arc,
Axial
Volcano,
Gorda
Ridge,
and
East
Pacific
Rise.
...
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This
website
contains
information
about
the
geology
of
Washington
State,
provided
by
the
Division
of
Natural
Resources
(DNR).
It
includes
details
about
geologic
hazards,
such
as
earthquakes,
volcanoes,
landslides,
tsunamis,
and
coal
mine
subsidence;
geologic
mapping,
including
a
geologic
map
of
the
state;
mine
reclamation
programs
and
energy
regulation;
downloadable
publications;
geology
of
the
state
...
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