On the evening of the 28th local time, the Japan Meteorological Agency held a press conference to remind people in the area where the earthquake occurred to be wary of an earthquake with a maximum magnitude of 7 in the next 2 to 3 days. Earlier in the day, the Japan Meteorological Agency released a report saying that at 16:27 local time, a 7.1 magnitude earthquake occurred near Kumamoto Prefecture in Japan. The maximum seismic intensity was 7, and the depth of the epicenter was 10 kilometers. A series of aftershocks followed. The seismic intensity of earthquakes set by the Japan Meteorological Agency is 0 to 4, 5 weak, 5, 6 weak, 6, and 7, respectively, from weak to strong, for a total of 10 levels.

On the evening of the 28th local time, the Japan Meteorological Agency held a press conference to remind people in the area where the earthquake occurred to be wary of an earthquake with a maximum magnitude of 7 in the next 2 to 3 days. Earlier in the day, the Japan Meteorological Agency released a report saying that at 16:27 local time, a 7.1 magnitude earthquake occurred near Kumamoto Prefecture in Japan. The maximum seismic intensity was 7, and the depth of the epicenter was 10 kilometers. A series of aftershocks followed. The seismic intensity of earthquakes set by the Japan Meteorological Agency is 0 to 4, 5 weak, 5, 6 weak, 6, and 7, respectively, from weak to strong, for a total of 10 levels.