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27 Cards in this Set
- Front
- Back
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Fault and force at a divergent boundary |
Normal and tension |
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Fault and force at a transform boundary |
Strike slip and shearing |
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Locating the earthquakes epicenter by drawing three circles and finding where the three intersect is called |
Triangulation |
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Scientists have been able to use earthquake waves to find out what about the earth |
Make up and size of the layer |
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Vibration caused by energy released when a break at a fault |
Seismic waves |
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Earthquake waves that arrives at the surface first |
Primary |
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Earthquake waves that cause the ground to shake and makes rocks roll like an ocean wave |
Surface |
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The movement of rocks 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 and 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 |
Compressional |
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What type of fault is created by tensional forces |
Normal Fault |
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A fault where rocks slip past each other sideways |
Strike slip |
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Type of force at a strike-slip fault |
Sheering |
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Force that pushes rock in opposite directions |
Tension |
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Changes in Earth’s interior have been detected due to |
Seismic Wave |
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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 is passed, they break and move along surfaces called |
Faults |
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Measuring the time between the epicenter and the |
Recording seismic graph |
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Point A where energy is initially release during the earthquake is called the |
Focus |
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Point B is called the earthquake |
Epicenter |
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What type of fault is illustrated in this diagram |
Normal |
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A layer of hot rock |
Mantle |
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When arrows at plate boundaries are point towards each other it is a |
Convergent |
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When arrows are pointed away from each other at plate boundaries it is |
Divergent |
