A magnitude 6.1 earthquake struck Japan's northern island of Hokkaido at around 10:27 p.m. on Saturday.
The Meteorological Agency says there is no threat of a tsunami.
The agency says the epicenter was off the coast of Hokkaido, and the focus was 60 kilometers deep.
The quake registered lower 5 on the Japanese seismic scale of zero to 7 in the city of Nemuro and in the town of Shibetsu.
An intensity of 4 was registered in the city of Kushiro and in the towns of Taiki, Kushiro, Akkeshi, Hamanaka, Shibecha, Teshikaga, Tsurui, Shiranuka, Betsukai, Nakashibetu and Rausu.