Subranges of Japanese Archipelago with Forecasts
- Honshu 65
- All other subranges of Japanese Archipelago 16
- Hokkaido 6
- Yūbari Mountains 6
- Tanba Highland 6
- Hidaka Mountains 72
- Northern Yatsugatake Volcanic Group 5
- Southern Yatsugatake Volcanic Group 3
- Hida Mountains 1
- Central Ishikari Mountains 5
- Boso peninsula 1
- Daikon Island 1
- Daisetsuzan Volcanic Group 21
- Amagi Mountains 2
- Hokusetsu Mountains 4
- Daiko Mountains 5
- Azuma Mountain Range 6
- Tokachi Volcanic Group 6
- Shikoku Mountains 11
- Hira Mountains 3
- Tanjō Mountains 3
- Kitami Mountains 6
- Ryōhaku Mountains 12
- Chushin Highland 3
- Kiso Mountains 8
- Nasu Volcanic Zone 15
- Suzuka Mountains 1
- Chūgoku Mountains 16
- Ōmine Mountains 6
- Akaishi Mountains 10
- Tanzawa Mountains 6
- Akan Volcanic Complex 4
- Kikai Caldera 5
- Shiretoko Peninsula 8
- Ikoma Mountains 3
- Rokko Mountains 8
- Okushiri Island 2
- Tenshi Mountains 1
- Okuchichibu Mountains 2
- Nipesotsu-Maruyama Volcanic Group 2
- Mount Raiden Volcanic Group 6
- Izu Ōshima 2
- Taki Mountains 2
- Rishiri Island 1
- Tomuraushi Volcanic Group 1
- Omoto Range 1
- Rebun Island 3
- Arakawa Mountains 1
- Mikuni Mountains 2
- Teshio Mountains 4
- Ashio Mountains 1
- Kuriles 47
- Okinawa 1