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PLATE TECTONICS

PLATE TECTONICS

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PLATE TECTONICS

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Presentation Transcript

  1. PLATE TECTONICS REVIEW

  2. P – waves • S – waves • Surface waves • Travel time graph • Normal fault • Reverse fault • Strike-slip fault • Hot spot (Hawaiian Islands)

  3. Focus • Epicenter • Deep sea trenches • Vents, craters, and calderas • San Andreas fault • Tension • Compression • Shearing

  4. Subduction • Seismic gaps • Continental Drift • Alfred Wegener • Evidence for Continental Drift • Mid-ocean ridge • Magnetic reversal • Convection currents

  5. Crater Lake in Oregon? • Shield volcano • Cinder-cone volcano • Composite volcano • Global pattern of earthquake distribution