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Chapter 8 earthquake

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Cards in this guide (14)
earthquake

the vibration of earth produced by the rapid release of energy

focus

the point within earth where the earthquake starts

elastic rebound

the tendency for the deformed rock along a fault to spring back after an earthquake

aftershock

a small earthquake that follows the main earthquake

foreshock

is a small earthquake that often precedes a major earthquake

seismograms

traces of amptified electronically record ground motion made by seismographis

momention magnition

a measurement system derived from the amout of displacement of the earthquake

tsunaim

when an earthquake occurs where a slab of the ocean floors displaced uercally along a fault

crust

thin rocky outer layer of earth

mantle

the soild rocky area below the crust

lithoshere

layer of the earth that consists of the earth that consists of the crust and water part of the mantle

shenoshore

layer of the earth lust below the lithestere that is sofer

inner core

the layer of the earth just below the mantle mode of more soild material

mocho

a bolndory seperating the crust from the mantle

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