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.

Elastic Rebound Theory This gradual accumulation and release of stress and strain is now referred to as the "elastic rebound ...

On May 12, 2008, a powerful 7.9-magnitude earthquake struck the Wenchuan county of Sichuan province in south-central China. It was the most powerful quake to hit China in at least 50 years, killing ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of ...