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26 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 force at a transform boundary |
Strike - slip and shearing |
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Locating the earthquake epicenter by drawing three circles and finding where the three intersects is called |
Triangulation |
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Scientists have been able to use earthquake waves to find out what about the Earth |
Composition and depth of each layer |
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Vibrations caused by energy released when a break occurs at a fault is a |
Seismic wave |
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Earthquake waves that arrive at the surface first |
Primary |
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Earthquake waves that cause the ground to shake and make rocks roll like an ocean wave |
Surface |
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The movement of rock particles duringthe passage of S waves |
Right angles |
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The movement of rock particles during a P wave |
Back and forth motion |
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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 plays 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 rocks slip past each other sideways |
Strike-slip |
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Type of force at a stroke-slip fault |
Shear |
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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 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 |
Fault |
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Measuring the time between the arrival of P and S determines the distance between the epicenter and the... |
Siesmograph |
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Point A where energy is initially released 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 is it a |
Convergent boundary |
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When arrows at plate boundaries are pointed away from each other are |
Divergent |
