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ScienceExamReview6
Chapter 6 vocab
Question | Answer |
---|---|
Tremor that follows and is smaller than a major earthquake | Aftershock |
Vibration of the earths crust | Earthquake |
Theory that rocks that are strained past a certain point will fracture and spring back to their original shape | Elastic rebound theory |
Point on the earths surface directly above the focus of an earthquake | Epicenter |
Group of interconnected faults | Fault zone |
Area along a fault at which slippage first occurs, initiating and earthquake; one of two points within an ellipse that determines the shape of the figure | Focus |
Surface of long wave; the slowest wave generated bean earthquake and the last to be recorded by a seismograph | L wave |
Primary wave; the fastest wave generated by an earthquake and the first to be recorded by a seismograph | P wave |
Major earthquake zone that forms a ring around the Pacific Ocean | Pacific ring of fire |
Scale that expresses the magnitude of an earthquake | Richter scaleā |
Secondary wave; a wave generated by an earthquake and the second to be recorded by a seismograph | S wave |
Instrument used to detect and record seismic waves | Seismograph |
Giant ocean wave that often occurs after a major earthquake with an epicenter on the ocean floor | Tsunami |