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Level 9

Earthquakes


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Seismic Wave
elastic wave generated by an impulse such as an earthquake
Seismic Zone
an area of seismicity probably sharing a common cause
Seismicity
the geographic and historical distribution of earthquakes
Seismogram
a record written by a seismograph in response to ground motions produced by an earthquake
Seismograph
an instrument used to detect and record earthquakes
Slip
relative displacement of formerly adjacent points on opposite sides of a fault
Strike slip
vertical (or nearly vertical) fractures where the blocks have mostly moved horizontally