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8th grade earth sci.
part 2
Term | Definition |
---|---|
seismic waves that compress and expand the ground | P waves |
a scale that rates earthquakes based on the total energy they release | Moment magnitude scale |
any wave that moves perpendicular with respect to the medium through which it moves | transverse waves |
a scale that rates earthquakes descriptivly | Mercalli scale |
the shaking and trembling that results from the movement of rock beneath earth's surface. | earthquake |
area beneath Earth's surface where an earthquake begins | focus |
any wave that compresses and expands the medium through which it moves | longitudinal waves |
seismic waves that result in the chaotic, rolling motion on the surface | surface waves |