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

A string of earthquakes in California last week saw residents urged to "remain alert" amid warnings bigger tremors could be ...

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 ...

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

Washington could be hit by powerful earthquakes with the potential to cause huge destruction and dangerous tsunamis impacting ...