九州
地震風險：高
Oita Prefecture 地震風險
The Beppu-Manganji Fault Zone runs east–west through Oita, and the 2016 Kumamoto earthquake triggered a related M6.5 event in central Oita. Beppu's geothermal environment is closely linked to seismic activity.
主要斷層・地震帶
The Beppu-Manganji Fault Zone runs east–west through Oita Prefecture, reflecting crustal extension across Kyushu. The Bungo Channel below connects to the Nankai Trough's southwestern end. Beppu, Japan's highest-volume hot spring city, sits in a geothermally active zone linked to frequent minor earthquakes.
主要斷層線
분고 수도 단층 벳푸-만간지 단층대