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chapter 8 & 10 vocab

earthquake a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
focus point in earths interior where the earthquake occurred
seismic waves waves of energy released by an earthquake.
epicenter point on earths surface directly above the focus.
elastic rebound sudden return of deformed rock back to undeformed shape.
body waves seismic waves that move through the inside (body) of earth.
p waves push-pull body waves.
s waves side-to-side body waves.
surface waves seismic waves that move on earths surface.
seismograph all seismic waves are recorded on a seismograph.
seismogram all seismic waves are recorded on a seismogram.
Richter Scale numerical scale (1-?) based on height of largest seismic wave (magnitude)
Moment magnitude scale only useful for small,shallow quakes.
modified mercalli scale Roman numeral scale (l-xll) that measures the intensity (ground shaking) created by an earthquake.
seismic gap
outer core
inner core
ring of fire
hot spot
pyroclastic material
shield volcano
cinder cone
composite volcano
Created by: zach hupp
Popular Earth Science sets




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