A tsunami warning has been issued following a 7.0 magnitude earthquake off the coast of northern California.

The US National Tsunami Center issued the alert just before 11am local time on Thursday.

The United States Geological Survey said the quake was reported at a depth of 10km (6.21 miles).

This breaking news story is being updated and more details will be published shortly.

Please refresh the page for the fullest version.

You can receive breaking news alerts on a smartphone or tablet via the Sky News app. You can also follow us on WhatsApp and subscribe to our YouTube channel to keep up with the latest news.