Earthquake

An earthquake is a series of seismic waves resulting from the sudden release of energy in a planet's crust. The term "earthquake" is commonly used in reference to such seismic events on any planet, not just Earth.

Historic earthquakes on Earth

 * 1906 San Francisco Earthquake
 * 1993 Maharashtra (artificially induced by Vasily Hunyadi during Eugenics Wars)
 * 2035 Peru
 * 2047 Hermosa
 * 2062 San Francisco
 * 2109 San Francisco Earthquake
 * 2349 Great Alaskan Earthquake