Tsunami advisories have been issued in Kyushu and Shikoku, says NHK. (Representational)
Tokyo:
An earthquake with a magnitude of 7.1 hit southwestern Japan on Thursday, triggering tsunami advisories, public broadcaster NHK reported, but there were no immediate signs of major damage.
NHK earlier reported the quake had a preliminary magnitude of 6.9.
Authorities issued advisories for a one-metre high tsunami for the Pacific coast of the western islands of Kyushu and Shikoku, NHK said.
In Miyazaki prefecture on Kyushu, 20-centimetre high waves had already been observed, NHK said.
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