gerakan-lempeng-tektonik
Post on 08-Nov-2014
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GERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIK
earthquakes and plate tectonicsearthquakes and plate tectonicsearthquakes and plate tectonicsearthquakes and plate tectonics
Global Earthquake PatternsGlobal Earthquake PatternsGlobal Earthquake PatternsGlobal Earthquake Patterns
Where Earthquakes Occur
C
Transform
B
Convergent
A
Divergent
•plates are moving apart
•new crust is created
•Magma is coming to the surface
•plates are coming together
•crust is returning to the mantle
•plates are slipping past each other
•crust is not created or destroyed
Plates move against each other
Stress builds up
Stress is released
earthquake
2 continental plates mountain range
Continental crust
rift valley
Oceanic crust mid-ocean ridge
C
Transform
B
Convergent
A
Divergent
2 oceanic plates oroceanic + continental subduction
GRABEN
HORST
NORMAL
REVERSED
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