Plate Boundaries.notebook
January 05, 2017
January 3
Task: Glue Plate Boudaries Learning
Targets into notebook
Answer question in notebook:
Do earthquakes happen randomly everywhere?
Will Ohio ever experience a lot of earthquakes?
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Plate Boundaries.notebook
January 05, 2017
Earthquake Simulator
The majority of earthquakes occur
at plate boundaries. Mapping
earthquake locations is how scientist
discovered where plate boundaries
occur.
So at a plate boundary, there are
3 possible ways the plates can
____
(convergent)
move: • collide
• spread apart (divergent)
• slide past
(transform)
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Plate Boundaries.notebook
January 05, 2017
t
North American
Plate
Eurasian
Plate
r
ive
d
Eurasian
Plate
gent
conver
Pacific
Plate
Philippin
Plate e
n
e
g
n
bea
b
i
r
Ca late
Arabian
Plate
P
Cocos
Plate
Nazca
Plate
South
American
Plate
n a
ric ate
f
A Pl
Antarctic Plate
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Plate Boundaries.notebook
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earthquakes Oct. 2008
world's major volcanoes
certain locations
certain locations
plate boundaries
at all plate boundaries
at some earthquakes and plate boundaries
at edges of continents
plate boundaries
plate movement
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Plate Boundaries.notebook
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Nazca/
t
en oceanic/
g
r
e
continental South
nv
o
America
c
nt oceanic/ Eurasian/N.A
e
g
er
oceanic African/S.A.
div
e
erg
v
on
c
nt
North oceanic/ American/
continental
Pacific
t
en oceanic/ Philippine/ g
r
e
continental Pacific
nv
Eurasian
o
c
Eurasian/ t
en cont. / cont. Arabian/ Indo­
g
r
e
Australian/ nv
o
African
c
4
1
4
7
17
7
0
12
5
4
17
2
Andes Mountains/
Peru­Chile trench
Ring of Fire
Mid­Atlantic ridge
Aleutian Trench/
Ring of Fire
mariana trench
Ring of Fire
Alpide Belt
(Alps, Himalayas)
convergent, divergent, transform
4
0
transform
earthquakes
4
5
divergent
rift valleys mid­ocean ridges
earthquakes
volcanoes
7
12
convergent
oceanic/continental earthquakes
volcanoes (mountains)
­continental/continental
trenches
Mountains → convergent
cont/cont
trench → convergent (oceanic/continental)
rift valleys → divergent
mid­ocean ridges → divergent
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Plate Boundaries.notebook
January 05, 2017
plates move apart
mid-ocean ridges
rift valleys
new crust created
quiet volcanoes
weak earthquakes
Divergent Boundary
Trench forms
where a denser
plate sinks below a
less dense plate =
oes
n
a
c
l
SUBDUCTION vo
Subduction (subtraction) - ocean crust melted
and destroyed - provides magma for volcanoes
Volcanic Island Arc (Japan) - strong earthquakes
Oceanic - Oceanic Convergent
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What about Hawaii??
a volcano in the middle of a plate??
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