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A. Part of the Earth that
consists of several large
and several small tectonic
plates.
B. Movement of a fluid due to
tempe...
ReviewReview
Plate Tectonics
Deep sea trenches
Mid oceanic ridges
Sea floor spreading
EarthquakesEarthquakes
A shaking of the earth’s
crust due to a release of
energy
OccurrencesOccurrences
More than 3 million occur
each year
About 8,000 per day, or 1
every 11 seconds
Most are extremel...
1. The Ring of Fire1. The Ring of Fire
2. Mid Ocean Ridges2. Mid Ocean Ridges
3. Eurasian – Melanesian Mountain Belt
Major Earthquake ZonesMajor Earthquake Zones
Most earthquakes occur
along the edges of the
earth’s lithospheric plate
bou...
BoundariesBoundaries
Divergent:
Two plates are moving
away from each other
Sea floor spreading
BoundariesBoundaries
Convergent:
Two plates are colliding
BoundariesBoundaries
Subducting:
On plate is forced under
another
This is a
type of
convergent
boundary!
Subduction
zone
Pacific Plate
South
America
Andes
Mountains
BoundariesBoundaries
Transform boundary:
Sliding by one another
Not creating or
destroying land
Earthquakes
Earthquakes
Earthquakes
Earthquakes
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Earthquakes

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Transcript of "Earthquakes "

  1. 1. A. Part of the Earth that consists of several large and several small tectonic plates. B. Movement of a fluid due to temperature difference. C. Supports the Theory of Plate Tectonics. D. Pulling the edge of some plates towards the center of the Earth. E. A theory that states the Earth’s surface consists of large moving plates. 1. Plate Tectonics 2. Gravity 3. Lithosphere 4. Sea Floor Spreading 5. Convection Current E D A C B
  2. 2. ReviewReview Plate Tectonics Deep sea trenches Mid oceanic ridges Sea floor spreading
  3. 3. EarthquakesEarthquakes A shaking of the earth’s crust due to a release of energy
  4. 4. OccurrencesOccurrences More than 3 million occur each year About 8,000 per day, or 1 every 11 seconds Most are extremely weak There are three major earthquake zones:
  5. 5. 1. The Ring of Fire1. The Ring of Fire
  6. 6. 2. Mid Ocean Ridges2. Mid Ocean Ridges
  7. 7. 3. Eurasian – Melanesian Mountain Belt
  8. 8. Major Earthquake ZonesMajor Earthquake Zones Most earthquakes occur along the edges of the earth’s lithospheric plate boundaries
  9. 9. BoundariesBoundaries Divergent: Two plates are moving away from each other Sea floor spreading
  10. 10. BoundariesBoundaries Convergent: Two plates are colliding
  11. 11. BoundariesBoundaries Subducting: On plate is forced under another This is a type of convergent boundary!
  12. 12. Subduction zone Pacific Plate South America Andes Mountains
  13. 13. BoundariesBoundaries Transform boundary: Sliding by one another Not creating or destroying land
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