The Cascadia Subduction Zone has stayed calm for 300 years. When it finally breaks, it could trigger a huge earthquake ...

A 4.4 magnitude earthquake struck off the Oregon Coast early Thursday morning, but it was not strong enough to cause a tsunami.

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north Sacramento Valley shakes.

A 4.4 magnitude earthquake struck off the Oregon Coast early Thursday morning, but it was not strong enough to cause a tsunami.