seismic hazards

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6 Terms

1
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Explain distribution of EQ

At any boundaries

2
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Explain how seismic movement happens

  1. Plates get stuck together due to friction

  2. Pressure builds up and gives away and pressure is released quickly causing a jolting motion

  3. This is seismic movement

3
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What is the focus?

Point underground where EQ originates frm

4
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Explain how magnitude is measured

  1. Logarithmic Richter scale (measure of the strength of seismic waves)

  2. Mercalli scale (rate of destruction caused) BOTH 1-10

5
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Explain frequency of earthquakes

Very frequent

6
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Explain predictability

Cannot predict, random, no pattern

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