A 7.0-magnitude earthquake struck off the coast of Kyushu in southwestern Japan early Saturday, triggering a minor tsunami in the southern part of Kagoshima prefecture.
The strong earthquake jolted about 160 km southwest of Makurazaki, Kagoshima, at 5:51 a.m. local time (2051 GMT Friday) at a depth of about 10 km, according to the Japan Meteorological Agency (JMA).
It registered 4 on the Japanese seismic intensity scale of 7 in parts of Saga and Kagoshima prefectures.
A 30-cm tsunami was observed on the Nakanoshima Island about an hour after the quake. A tsunami warning issued after the quake was lifted.
The Nuclear Regulation Authority said no abnormalities were detected at the Sendai nuclear power plant in Satsumasendai, Kagoshima, local media reported.
The earthquake was reported as 6.7 on the Richter scale by the U.S. Geological Survey.
The JMA said that aftershocks with the seismic intensity of 3 on the JMA scale might happen in the following week.
