A moderate earthquake with a preliminary magnitude of 5.6 jolted northern Japan on Sunday, the Japan Meteorological Agency said. No tsunami warning was issued.

The quake struck at 11:01 IST on Sunday and was centered off the eastern coast of Hokkaido, Japan's northernmost island, according to the agency.

No injuries or damage were immediately reported.

Japan is one of the world's most earthquake-prone countries and sits atop four tectonic plates.