6.3 magnitude earthquake strikes off southwestern Japan, near Kyushu and Shikoku islands.

6.3 magnitude earthquake strikes off southwestern Japan on Wednesday night. Epicenter located in a channel separating the islands of Kyushu and Shikoku, approximately 18 kilometers west of Uwajima, at a depth of around 25 kilometers. No tsunami warnings or reports of damage. Japan experiences frequent earthquakes due to its seismic activity, accounting for about one-fifth of the world's earthquakes of magnitude 6 or greater.