On the night of the 23rd, a magnitude 5.0 earthquake occurred in waters near Kagoshima Prefecture, Japan.
The Korea Meteorological Administration noted, "At 11:36 p.m. (Korea time) on that day, a magnitude 5.0 earthquake occurred in waters approximately 268 km south-southwest of Kagoshima City, Kagoshima Prefecture," citing data from the Japan Meteorological Agency (JMA).
The epicenter of this earthquake is estimated to be at a latitude of 29.40 degrees north and a longitude of 129.40 degrees, with a depth of about 20 km.