EPT Earthquakes Vocab Review

Front

Surface wave

Back

An earthquake vibration near the earth's surface.

Front

p-wave (primary wave)

Back

the first wave in a disturbance in the Earth's crust

Front

s-wave (secondary wave)

Back

the second wave in a disturbance in the Earth's crust

Front

seismogram

Back

the record of an earth tremor by a seismograph

Front

Seismograph

Back

An apparatus to measure and record vibrations within the earth and of the ground.

Front

Energy transfer

Back

The transfer of energy from one place to another.

Front

Force

Back

Strength or energy exerted or brought to bear; cause of motion or change; active power.

Front

Aftershock

Back

A minor shock following the main shock of an earthquake.

Front

Lag time

Back

Time in between events

Front

Epicenter

Back

The part of the earth's surface directly above the focus of an earthquake.