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26 Cards in this Set
- Front
- Back
Fault and force at a divergent boundary |
Normal tension |
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Fault and force at a transform boundary |
Strike slip and shearing |
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Locating where the earthquake started is called |
Triangulation |
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Scientist have been able to use earthquake waves to find out what about the earth |
Make up and size of layers |
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Vibrations caused by energy released when a break occurs at a fault is |
Seismic waves |
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Earthquake waves that arrive at the surface first |
Primary waves |
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Earthquake waves that cause the ground to shake and make rocks roll like an ocean wave |
Surface wave |
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The movement of rock particles during the passage of S waves |
Right angles |
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The movement of rock particles during the passage of P waves |
Back and forth |
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The sequence of waves during an earthquake from first to last |
Primary/secondary surface |
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Force that causes plates to move sideways past each other |
Shearing |
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Type of stress that produces reverse faults |
Compression |
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What type of fault is created by tensional forces |
Normal |
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A fault where rock slip past each other sideways |
Strike-slip |
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Type of force at a strike slip fault |
Shearing |
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Force that pushes rock in opposite directions |
Tension |
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Changes in Earth's interior that has been detected due to |
Seismic waves |
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The force that squeezes rock together |
Compression |
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When the force on rocks is great enough they break producing vibrations called |
Earthquake |
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Once the elastic limit of Rocks past they break and move along surface is called |
Faults |
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Measuring the time between the arrival of P & S waves determines the distance between the epicenter and the |
Seismograph |
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Where energy is initially released during the earthquake is called |
Focus |
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The middle of an earthquake is called |
Epicenter |
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A layer of hot rock |
Mantle |
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When arrows point toward each other it is a |
Convergent boundary |
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When arrows point away from each other it is a |
Divergent boundary |