Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of another layer, called the mantle.

(CNN) — Here’s a look at earthquakes worldwide. The US Geological Survey describes an earthquake as “the ground shaking caused by a sudden slip on a fault. Stresses in the earth’s outer layer push the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Earthquakes are part of life in California.

One of the strongest earthquakes ever recorded struck Russia’s Far East early Wednesday, causing tsunami waves to wash ashore in Japan and Alaska and calls for people around the Pacific to be on alert ...

Tiffany Means is a meteorologist who has worked for CNN, the National Oceanic and Atmospheric Administration, and more. Since 2017, she has worked as a freelance science writer covering natural ...

Here’s a look at earthquakes worldwide. The US Geological Survey describes an earthquake as “the ground shaking caused by a sudden slip on a fault. Stresses in the earth’s outer layer push the sides ...

One of the strongest earthquakes ever recorded struck Russia’s Far East early Wednesday, causing tsunami waves to wash ashore in Japan and Alaska and calls for people around the Pacific to be on alert ...