Earthquake Scales

Earthquake Scales
Name: _____________________________________________
Period: _________ Date: ____________
Essential Question: How are earthquakes and the damages they
cause measured?
1. What are the three scales used to measure earthquakes?
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2. How is the Richter scale used?
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3. How is the Modified Mercalli Scale used?
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4. How is the Moment Magnitude Scale used?
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5. Who is Charles Richter?
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6. What does it mean by earthquake magnitude?
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7. The Richter Scale goes from _____ to ______
8. The Modified Mercalli Scale has _____ increasing levels of
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9. Who were Harry Wood and Frank Neumann?
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R. Angat
10. Who were Hiroo Kanamori and Thomas Hanks?
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11. Why do scientists use the Moment Magnitude Scale?
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What does it mean by earthquake intensity? Research!
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12. Why do seismologists use the Richter Scale?
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13. Why do seismologists use the Modified Mercalli Scale?
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14. Why do seismologist use the Moment Magnitude Scale?
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15. What is a seismologist? Think!
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Label and define the focus, epicenter, and seismic waves. Research!
Seismic waves are
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Epicenter is___________________
Focus is _____________________
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http://studyoftheearth3.wikispaces.com/The+Richter,+The+Mercalli,+and+The+Mo
ment+Magnitude+Scale.
R. Angat