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| What is an earthquake and about how many occur per year? |
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Definition
| An earthquake is the vibration of the earth produced by the rapid release of energy. It is estimated that about 1 million earthquakes occur each year. |
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Definition
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| types of vertical motion on opposite sides of fault |
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Definition
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Definition
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Term
| general construction of a seismograph |
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Definition
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Term
| seismic waves: types, names, relative speeds |
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Definition
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Term
| how is an earthquake epicenter located given its distance from 3 different seismograph stations |
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Definition
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Term
| how does the depth of earthquake foci change in a Benioff zone |
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Definition
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Term
| describe the major regions where most earthquakes occur |
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Term
| what is the basis for assigning a Mercalli Scale rating to an earthquake |
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