九州
地震風險：very-high
Miyazaki Prefecture 地震風險
Miyazaki faces the Hyuganada — the southwesternmost section of the Nankai Trough. The August 2024 M7.1 earthquake here triggered Japan's first-ever Nankai Trough Earthquake Caution temporary advisory. The 30-year probability of an M7.6–8 Hyuganada earthquake is 70–80%.
主要斷層・地震帶
Miyazaki Prefecture faces the Hyuganada — the southwesternmost section of the Nankai Trough. The August 2024 M7.1 earthquake here triggered Japan's first-ever Nankai Trough Earthquake Caution temporary advisory. The Hyuganada section carries a 70–80% probability of an M7.6–8 event within 30 years.
主要斷層線
南海海槽 휴가나다 단층 일향 단층