The U.S. Geological Service says a magnitude 6.7 earthquake has struck in the East China Sea north of the Japanese island of Okinawa.
The USGS said the quake occurred at 4:11 a.m. Monday (20:11 GMT Sunday) with its epicenter located 68 miles (110 kilometres) north-northwest of Nago, a tourist town in the northern Okinawa Island near a U.S. Marine Base. Its depth was given as 69.8 miles (112.3 kilometres).
The U.S. National Weather Service's Pacific Tsunami Warning Center says no tsunami is expected. There are no immediate reports of injuries or damage.