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elastic limit

how far rocks can bend or stretch before breaking


surface along which rocks move when they break/pass their elastic limit.

How do rocks move on a fault

rocks on one side of a fault move up, down, or sideways in relation to rock on the other side of the fault

Name 3 types of faults

normal reverse strike-up

What happens when rocks break along the fault?


seismic waves

waves generate by an earthquake can move the ground forward and backward, up and down and side to sid.


The point where the forst release of energy occurs. The seismic waves are produced and travel outward from the focus

What are 3 types of seismic waves?

primary waves moves the fastest
surface- voce slowest.. most destruction


point on the Earth's surface directly above the earthquake focus


instrument used to register earthquake waves and the time they arrived


scientists who study earthquakes


measure of the energy released by an earthquake

richter scale

describes the strength of an earthquake


occurs when wet sil acts more like a liquid during an earthquake


seismic sea wave that begins over an earthquake focus and can be highly destructive when it crashes on shore.

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