Seismic

The word seismic refers to a vibration or tremor of the earth, usually caused by an earthquake, explosion or other violent geological event. It comes from the Greek word "seismos" meaning earthquake. See also: seismicity, aseismic.

## See also[edit]

* Earthquake
* Natural disaster
* Loma Prieta Earthquake
* Richter scale
* Epicenter
* California
* Emergency links