A large earthquake has hit Japan.
The 6.1 magnitude tremor was reported in the north of the country's Okinawa prefecture.
There have been immediate reports of damage or casualties.
The quake hit at a depth of 257 km about 346 km north of the city of Naha.

WHO says Congo Ebola outbreak spreads to two new health zones
Congo military plane crash kills 13
Kazakhstan detains defence officials after 14 die during naval exercise
Trump, Xi wrap up summit with tea and tour of US archives
Five missing after explosion collapses building in Athens
