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chapter 6 science vocab words

Plate a large section of earths crust and rigid upper mantel that moves around on the athenosphere
fault surface along which rocks move when they pass their elastic limit and break
earthquake vibartions produced when rocks break along a fault
normal fault break in rock caused by tension forces where rock above the fault surfaces moves down relative to the rock below the fault surface
reverse fault break in rock caused by compressive forces where rock above the fault surface moves up and towards relative to the rock below the fault surface
strike slip fault break in rock caused by sheat forces where rocks move past eash other without much vertical movement
wave rythmic movement that carries energy through matter and space
seismic waves wave geverated by an earthquake
focus in an earthquake the point below earth surfaces where energy is released in the form of seismic waves
primary waves seismic wave that moves rock particles back and forth in the same direction that wave travels
secondary waves seimic waves that moves rock particles at right andles to the directon of the waves
surface waves seimic waves that moves rock paricle up and so down in a back rolling motion and a side to side swaying motion
epicenter point on earths surface directly above an earhtquakes focus
seismograph instrument used to register earthquake waves and record the time each arrived
crest the highest point of a wave
magnitude measure of the energy released during an earthquake
liquification occurs when wet soil acts more like liquid durring an earthquake
tsumai seismic sea wave that begins over and earthquake focus and can be hightly destructive when it crashes on the shore
Created by: Panda.Iz.Amanda