An earthquake is a sudden, rapid shaking of the ground caused by the shifting of rocks deep underneath the earth’s surface. Earthquakes can cause fires, tsunamis, landslides or avalanches.
Here are some words to know about earthquakes:
- Earthquake: a sudden, quick shaking of the earth, caused by rocks moving under the ground
- Aftershock: a smaller earthquake that follows the main earthquake
- Fault: a crack in rocks below the earth’s surface
- Epicenter: the center of the earthquake
- Seismic Waves: damaging vibrations that travel outward from the earthquake center
- Magnitude: the strength of the earthquake, measured on a scale