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10 Cards in this Set
- Front
- Back
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What two tectonic plates are well known for earthquakes?
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Pacific Plate and North American Plate
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What are the five types of earthquakes?
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Tectonic, Volcanic, Collapse, Nuclear, Impact
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What are the two most common types of earthquakes?
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Tectonic and Volcanic
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What are the two types of EQ waves that travel through the earth?
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P waves and S waves
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EQ waves move in what two types of motion?
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shear waves and compressional waves
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What is the velocity of the EQ waves from slowest to fastest?
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Surface, S, and P waves
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The recording of a seismometer is called...
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a seismogram
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What is the name of the man who created one of the first well known EQ scales?
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Guiseppe Mercalli (measures from I to XII)
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What scale of magnitude is used now to measure earthquakes?
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The Richter Scale (measures exponentially)
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The modern Moment magnitude scale uses what two factors to precisely measure earthquakes?
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length of the fault rupture, area of the rupture surface
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