306717
Description
Mind Map by Tom Cahill, updated more than 1 year ago
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Created by Tom Cahill
about 11 years ago
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Occurance of Earthquakes
- Plate
Tectonics (Theory)
- lithosphere consists of large, rigid sections called
plates
- Convection Currents - driving
force
- Convection Currents - driving
force
- lithosphere consists of large, rigid sections called
plates
- Earthquakes
- Sudden release of energy on earths
surface
- vibrations or
shocks
- vibrations or
shocks
- Sudden release of energy on earths
surface
- Plates
- Jam or stick
together
- build up of stress in
rocks
- stress releases - plates
slip
- seismic
waves
- seismic
waves
- stress releases - plates
slip
- Jam or stick
together
- Shallow
Focus (<70km)
- passive
boundaries
- Pacific and N.
American
- Pacific and N.
American
- smaller magnitude
than deep focus
- account for 75%
of earthquakes
- passive
boundaries
- Deep Focus
(300km)
- convergent
- heaviest plate is
subducted
- heaviest plate is
subducted
- Indian and
Eurasian
- convergent
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