Magnitude 6.0 earthquake strikes off coast of Japan

A powerful magnitude 6.0 earthquake has struck off the coast of Hokkaido, in northern Japan, according to preliminary data from seismological agencies.

There are no immediate reports of injuries or damage, and no tsunami warning has been issued at this time. Authorities are monitoring the situation closely and advising residents in the region to stay alert for possible aftershocks.

This is a developing story.