Definitions

Seismology

The study of earthquakes and seismic waves that move through and around the earth.

Seismologist

A scientist who studies earthquakes and seismic waves.

Seismic Waves

Seismic waves are:

• Waves of energy caused by the sudden breaking of rock within the earth or an explosion
• Energy that travels through the earth and is recorded on seismographs

Additional Topics

Plate Tectonics

See embedded video content on the main site for more information about plate tectonics and how they relate to seismic activity.