The Pacific Tsunami Center said there was no threat of tsunami from the quake, which was initially reported by USGS at 7.1.
A magnitude 7.0 earthquake hit off the southern coast of Japan, the US Geological Survey reported on Friday.
The quake struck 119 miles (191 km) west-southwest of Kagoshima at a depth of 6.2 miles (10 km) at 2051 GMT, 5:51 am Japan time on Saturday, it said.
The Pacific Tsunami Center said there was no threat of tsunami from the quake, which was initially reported by USGS at 7.1.
© Thomson Reuters 2015