Magnitude 7.0 earthquake rattles northern California

Quake triggered a tsunami warning for at least 5.3 million Californians, which was later withdrawn

A large earthquake struck the northern California coast on Thursday morning, rattling communities and activating emergency alerts for both shaking and tsunami risks just before 11am local time.

Registered as a magnitude 7.0 and originating near the town of Ferndale in Humboldt county, the quake could be felt in San Francisco more than 260 miles (418km) away. Roughly 1.3 million people felt the quake , according to initial estimates provided by the US Geological Survey (USGS), which also reported that risks to human life remained low.