nature of earthquakes final
TRANSCRIPT
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Nature of Earthquakes
No laughing matter
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Tension
• Tension is the stretching of rock
• In other words rock is being pulled apart
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Compression
• Compression pushes rock together
in a more better way of understanding think of pressing two pieces of biscuits together hard
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Shearing
• Shearing causes masses to slip
• so think of the Earth’s crust slipping and imagine the seismic wave
• To inform you there are two or more waves
• p and s
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Fault
• In a normal fault ,the hanging wall slips down
• Click here to see video
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Reverse Fault
• In a reverse hanging wall moves up
• click here to see reverse fault
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Strike- slip fault
• Rock on either side of a strike- slip fault slips pass each other
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Anticlines
• Which arch upward
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Synclines
• Synclines which dip downward
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Plateau
• A plateau is s large area of flat elevated land
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Stress
• Stress force pushes, pulls, and twists the rock in the Earth’s
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Authors
• By Anthony Woodlief and Kentrell French