The town of Misato, Kumamoto Prefecture, issued a warning at 4:00 p.m. on April 16 for all residents to evacuate.
The city of Uki also issued an evacuation warning at 4:00 p.m. to residents in some areas.
Full evacuation warnings for the towns of Oguni, Minamioguni and Kosa were subsequently issued at around 5:00 p.m., with residents being asked to remain calm.
The city of Yatsushiro issued an evacuation warning at 5:00 p.m. covering two districts.
The city of Uto also issued an evacuation warning at 9:40 p.m.