An earthquake measuring 5.6 on the Richter scale struck Japan's northernmost Hokkaido prefecture at 2:25 am (local time) on Sunday.
According to the Japan Meteorological Agency (JMA), the earthquake was centred in the Tokachi-chiho Nambu region in Japan's northernmost prefecture, with a depth of 110 km.
There have been no immediate reports of major damage or injuries, and no tsunami warning or advisory issued.

Trump warns Iran ‘clock is ticking’ amid rising tensions
Cuba accuses US of fabrication after Axios report alleging drone threat
Israeli strikes kill eight people in Gaza, medics say
Hantavirus-hit cruise ship due to arrive at Rotterdam port as final destination
WHO declares Ebola outbreak in Congo, Uganda an emergency of international concern