An earthquake – also called a quake, tremor, or temblor – is the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere ...
Earthquake Hazards Program. The USGS monitors and reports on earthquakes, assesses earthquake impacts and hazards, and conducts targeted research on the causes ...
Earthquakes occur along faults, the areas where tectonic plates meet. About 80 percent of earthquakes occur along the rim of the Pacific Ocean. Called the Ring ...
Earthquakes are among the most deadly natural hazards. They strike without warning and many earthquake zones coincide with areas of high population density.
An earthquake is a sudden, rapid shaking of the earth caused by the shifting of underground rock. Deaths and injuries occur when people fall trying to walk ...
An Earthquake is a shaking of the earth's surface by energy waves emitted by slowly moving tectonic plates overcoming friction with one another underneath ...