A powerful 7.0 earthquake strikes off Northern California coast

A powerful earthquake has struck off the Northern California coast, triggering tsunami warnings that were later canceled. Several aftershocks continued to rattle the area off Eureka. 

A powerful 7.0 earthquake strikes off Northern California coast
People watch the waves come in at Ocean Beach in San Francisco after an earthquake was felt widely across Northern California on Thursday.

A powerful earthquake has struck off the Northern California coast, triggering tsunami warnings that were later canceled. Several aftershocks continued to rattle the area off Eureka. 

(Image credit: Haven Daley)