A magnitude 5.4 earthquake has occurred near the shore of the Japanese prefecture of Okinawa, the Japan Meteorological Agency said on Wednesday.
The earthquake was registered at 8:39 a.m. local time (23:39 GMT, on Tuesday) with its epicentre located at the depth of 18.6 miles to the west of the Okinawa islands, according to the agency.
It added that the earthquake did not pose any risk of a tsunami.