Earthquakes are caused by the breaking and shifting of rock beneath the earth’s surface. They can strike without warning and can occur at any time. In the U.S., 45 states and territories are at ...

The Earth's surface is made up of a number of plates that are almost always moving. Most earthquakes happen where these plates meet. Some of these plates slide past each other, causing friction to ...

Most people think that earthquakes occur only in places like California, Alaska, and Japan. This couldn't be farther from the truth. Several major and numerous minor earthquakes have occurred in the ...