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AbBy ChApTeR 6

earthquakesss

QuestionAnswer
surface along which rocks move when they pass their elastic limit and break fault
vibrations produced when rocks break along the fault line earthquake
break in rock caused by compressive forces where rock above surface reverse fault
break in rock caused by shear forces, where rock move past each other without vertical movement strike-slip fault
break in rock caused by tension forces normal fault
rhythmic movement that carries energy through matter and space waves
a large section of earths crust and rigid upper mantle that moves around the asthenosphere plate
wave generated by an earthquake seismic wave
in an earthquake, the point below earths surface where energy is released in the form of seismic waves focus
seismic wave that moves particles back and forth in the same direction that the waves travel primary wave
seismic wave that moves rock particles at right angles to the direction of the waves secondary wave
seismic waves that moves rock particles up and down on a backround rolling motion and side to side in a swaying motion surface wave
point on earths surface dirrectly above an earthquakes focus epicenter
instroment used to register earthquake waves and record the time that each arrived seismograph
the highest point of awave crest
measure of the energy released during and earthquake magnitude
occurs when wet soil acts like a liquid during an earthquake ligufaction
seismic sea wave that begins over an earthquake focus and can be higly destructive when it crashes shore tsunami
Created by: Abby8D
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