A tsunami warning was issued in Japan tonight after a strong earthquake was recorded in the northern Pacific region. Japan's meteorological agency says a strong quake shook southern Japan and a tsunami warning has been issued.

A tsunami warning was issued in Japan tonight after a strong earthquake was recorded. Japan's meteorological agency today said a magnitude 6.9 earthquake hit off Japan's southern coast, and has issued a tsunami warning in the region's coastal areas.

The agency said the quake occurred off the coast of the island of Okinawa at a depth of 6.2 miles at 5.31am Saturday (2031 GMT today).

The agency predicted a tsunami up to 3 feet near the Okinawan coast. There were no immediate reports of damage or casualties.

Japan is one of the world's most earthquake-prone countries.