The earthquake rattled the same region of Japan where an earthquake triggered a nuclear power plant disaster in 2011.
A 6.3-magnitude earthquake struck offshore of Japan near Fukushima on Sunday. People reported feeling the quake in the capital, Tokyo, approximately 250 km (155 miles) away.
There were no were immediate reports of damage, and no tsunami alert was issued.
The epicenter of the earthquake, which struck at 7:23 p.m. local time, was off the coast of Fukushima prefecture and measured at a depth of 50km, the Japan Meteorological Agency said.
Public broadcaster NHK TV reported that utility companies were checking on the nuclear reactors in the area.
No abnormalities were found at nuclear power plants in the region, including both Fukushima Daiichi and Daini, according to their operators, the Mainichi reported.
In 2011, Fukushima was hit by a 9.0-magnitude earthquake, which sparked a monster tsunami causing three nuclear meltdown, hydrogen explosions and radioactive contamination.