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Earthquakes

Published on Nov 29, 2015

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1.

EARTHQUAKES

2.

WHAT IS AN EARTHQUAKE?

THE SHAKIMG AND TREMBLING THAT RESULTS FROM THE MOVEMENT OFROCK BENEATH EARTHS SURFACE
3.

TYPES OF FAULTS

  • Normal fault
  • Reverse fault
  • Strike-slip fault
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5.

TYPED OF STRESS

  • Tension
  • Compression
  • Shearing
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7.

FOCUS/EPICENTER

  • Focus:area under earth's surface where rock under stress breaks
  • Epicenter:point on surface directly above the focus
8.

TYPES OF SEISMIC WAVES

  • P-waves:fastest;compress and expand
  • S-waves:side to side/up and down; travel through liquids and solids
  • Surface waves:slowest, but strongest and move like ocean waves
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