Earthquakes Vocab

Front

Waves of energy from earthquakes traveling through Earth.

Back

Seismic waves

Front

Point inside Earth where an earthquake starts.

Back

focus

Front

Study of earthquakes

Back

Seismology

Front

Fastest seismic wave (P-waves)

Back

Primary wave

Front

Instrument that records seismic waves during an earthquake

Back

seismograph

Front

Second fastest seismic wave (S-wave)

Back

Secondary wave

Front

Point on Earth's surface above an earthquake's starting point

Back

epicenter

Front

Break in Earth's crust where portions move relative to each other

Back

fault

Front

Slowest seismic wave traveling along Earth's surface.

Back

Surface wave

Front

Tracing of earthquake motion by a seismograph

Back

seismogram