TOKYO (AFP) - The Japanese meteorology agency issued a tsunami warning early Sunday following a magnitude 5.9 quake in the Pacific south of Tokyo.

The quake hit near Torishima island, some 600km south of Tokyo, at 1.51am (12.51am on Suinday Singapore time), the weather agency said.

Following the quake, which hit a very shallow point of the seabed, the agency issued a tsunami waring of up to 1m for the Izu island chain, south of Tokyo, and the Ogasawara archipelago, far south in the Pacific Ocean.

A wave of 50cm was seen to have reached Hachijojima island, one of the Izu islands, the agency said.

No immediate injuries or damages are reported, public broadcaster NHK said.