California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 ...

It is the biggest tectonic plate on Earth, and recent studies ... according to estimates by the California Earthquake Authority. Experts are 'fairly confident that there could be a pretty large ...

Mount Spurr is not the kind of lava-spewing volcano familiar from Hawaii, but instead has historically ejected huge plumes of ...

A moderate earthquake, followed by three smaller quakes, shook California’s Northern Coast ... the coast near Ferndale where three tectonic plates come together, said Randy Reed, earth science ...

They’re impossible to predict but inevitable in our future. Washington has a high risk of damaging earthquakes. “Washington ...

In January, California was hit with four earthquakes in the space of 24 hours. The four quakes occurred along the San Andreas fault - the volatile boundary between two tectonic plates ...

A popular spot in America for tourists is also a hotspot for earthquakes with a number of projects underway to future-proof ...

This is a breaking news story and is being constantly updated, please refresh the page regularly with the latest news, ...