2026-10-08T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T14:00:00+09:00 2026-10-08T15:00:00+09:00 2026-10-09T09:00:00+09:00 511 発表 1 降灰予報 1.1_0 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、８日２１時から２４時までは火口から西方向に降灰が予想されます。 降灰予報（定時） 06 諏訪之瀬島 511 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 降灰予報（定時） 06 諏訪之瀬島 511 +2938.30+12942.83+796/ 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 2026-10-08T15:00:00+09:00 2026-10-08T18:00:00+09:00 降灰 70 +29.6591+129.6600/+29.6599+129.6800/+29.6600+129.7000/+29.6598+129.7200/+29.6400+129.7397/+29.6200+129.7373/+29.6027+129.7200/+29.6001+129.7000/+29.6000+129.6969/+29.5831+129.6800/+29.5803+129.6600/+29.5800+129.6543/+29.5658+129.6400/+29.5607+129.6200/+29.5600+129.6113/+29.5492+129.6000/+29.5416+129.5800/+29.5400+129.5690/+29.5314+129.5600/+29.5225+129.5400/+29.5200+129.5228/+29.5174+129.5200/+29.5049+129.5000/+29.5000+129.4802/+29.4998+129.4800/+29.4818+129.4600/+29.4800+129.4559/+29.4728+129.4400/+29.4662+129.4200/+29.4623+129.4000/+29.4600+129.3903/+29.4527+129.3800/+29.4435+129.3600/+29.4400+129.3464/+29.4360+129.3400/+29.4269+129.3200/+29.4218+129.3000/+29.4200+129.2923/+29.4173+129.2800/+29.4148+129.2600/+29.4135+129.2400/+29.4143+129.2200/+29.4160+129.2000/+29.4200+129.1885/+29.4255+129.1800/+29.4400+129.1704/+29.4549+129.1800/+29.4600+129.1830/+29.4682+129.2000/+29.4799+129.2200/+29.4800+129.2201/+29.4942+129.2400/+29.5000+129.2510/+29.5039+129.2600/+29.5106+129.2800/+29.5193+129.3000/+29.5200+129.3018/+29.5273+129.3200/+29.5366+129.3400/+29.5400+129.3475/+29.5465+129.3600/+29.5541+129.3800/+29.5600+129.3964/+29.5618+129.4000/+29.5600+129.4040/+29.5581+129.4200/+29.5600+129.4267/+29.5689+129.4400/+29.5759+129.4600/+29.5800+129.4776/+29.5817+129.4800/+29.5928+129.5000/+29.5978+129.5200/+29.6000+129.5395/+29.6004+129.5400/+29.6163+129.5600/+29.6191+129.5800/+29.6200+129.5882/+29.6309+129.6000/+29.6391+129.6200/+29.6399+129.6400/+29.6400+129.6407/+29.6591+129.6600/ 南西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6447+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6203+129.7000/+29.6284+129.6800/+29.6400+129.6752/+29.6447+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-08T18:00:00+09:00 2026-10-08T21:00:00+09:00 降灰 70 +29.6569+129.6200/+29.6595+129.6400/+29.6599+129.6600/+29.6600+129.6800/+29.6600+129.7000/+29.6598+129.7200/+29.6400+129.7397/+29.6200+129.7304/+29.6096+129.7200/+29.6002+129.7000/+29.6001+129.6800/+29.6000+129.6600/+29.6000+129.6594/+29.5819+129.6400/+29.5806+129.6200/+29.5802+129.6000/+29.5800+129.5947/+29.5675+129.5800/+29.5627+129.5600/+29.5613+129.5400/+29.5600+129.5211/+29.5591+129.5200/+29.5469+129.5000/+29.5436+129.4800/+29.5415+129.4600/+29.5400+129.4514/+29.5318+129.4400/+29.5235+129.4200/+29.5218+129.4000/+29.5200+129.3840/+29.5176+129.3800/+29.5074+129.3600/+29.5024+129.3400/+29.5000+129.3348/+29.4928+129.3200/+29.4907+129.3000/+29.4887+129.2800/+29.4866+129.2600/+29.4841+129.2400/+29.4800+129.2292/+29.4741+129.2200/+29.4734+129.2000/+29.4733+129.1800/+29.4732+129.1600/+29.4734+129.1400/+29.4742+129.1200/+29.4753+129.1000/+29.4775+129.0800/+29.4800+129.0662/+29.4816+129.0600/+29.4972+129.0400/+29.5000+129.0384/+29.5008+129.0400/+29.5086+129.0600/+29.5145+129.0800/+29.5196+129.1000/+29.5200+129.1013/+29.5258+129.1200/+29.5322+129.1400/+29.5399+129.1600/+29.5400+129.1601/+29.5507+129.1800/+29.5600+129.1980/+29.5608+129.2000/+29.5622+129.2200/+29.5714+129.2400/+29.5789+129.2600/+29.5800+129.2639/+29.5835+129.2800/+29.5886+129.3000/+29.5854+129.3200/+29.5948+129.3400/+29.6000+129.3593/+29.6002+129.3600/+29.6064+129.3800/+29.6116+129.4000/+29.6000+129.4187/+29.5998+129.4200/+29.6000+129.4215/+29.6102+129.4400/+29.6159+129.4600/+29.6181+129.4800/+29.6193+129.5000/+29.6200+129.5082/+29.6286+129.5200/+29.6366+129.5400/+29.6387+129.5600/+29.6395+129.5800/+29.6398+129.6000/+29.6400+129.6020/+29.6569+129.6200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6449+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6321+129.6800/+29.6400+129.6733/+29.6449+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-08T21:00:00+09:00 2026-10-09T00:00:00+09:00 降灰 70 +29.6547+129.6200/+29.6594+129.6400/+29.6599+129.6600/+29.6600+129.6800/+29.6600+129.7000/+29.6599+129.7200/+29.6400+129.7398/+29.6200+129.7339/+29.6061+129.7200/+29.6002+129.7000/+29.6001+129.6800/+29.6000+129.6600/+29.6000+129.6596/+29.5816+129.6400/+29.5805+129.6200/+29.5802+129.6000/+29.5800+129.5968/+29.5654+129.5800/+29.5618+129.5600/+29.5607+129.5400/+29.5600+129.5333/+29.5493+129.5200/+29.5433+129.5000/+29.5415+129.4800/+29.5400+129.4685/+29.5338+129.4600/+29.5264+129.4400/+29.5207+129.4200/+29.5200+129.4160/+29.5097+129.4000/+29.5029+129.3800/+29.5000+129.3615/+29.4996+129.3600/+29.4950+129.3400/+29.4893+129.3200/+29.4873+129.3000/+29.4847+129.2800/+29.4832+129.2600/+29.4811+129.2400/+29.4800+129.2349/+29.4764+129.2200/+29.4763+129.2000/+29.4778+129.1800/+29.4798+129.1600/+29.4800+129.1585/+29.4821+129.1400/+29.4847+129.1200/+29.4883+129.1000/+29.4930+129.0800/+29.4996+129.0600/+29.5000+129.0592/+29.5002+129.0600/+29.5042+129.0800/+29.5079+129.1000/+29.5138+129.1200/+29.5200+129.1381/+29.5207+129.1400/+29.5294+129.1600/+29.5397+129.1800/+29.5400+129.1805/+29.5483+129.2000/+29.5548+129.2200/+29.5600+129.2334/+29.5628+129.2400/+29.5717+129.2600/+29.5773+129.2800/+29.5800+129.2861/+29.5847+129.3000/+29.5854+129.3200/+29.5935+129.3400/+29.5985+129.3600/+29.6000+129.3679/+29.6034+129.3800/+29.6101+129.4000/+29.6006+129.4200/+29.6100+129.4400/+29.6151+129.4600/+29.6174+129.4800/+29.6190+129.5000/+29.6200+129.5138/+29.6247+129.5200/+29.6352+129.5400/+29.6383+129.5600/+29.6393+129.5800/+29.6398+129.6000/+29.6400+129.6043/+29.6547+129.6200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6427+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6354+129.6800/+29.6400+129.6763/+29.6427+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-09T00:00:00+09:00 2026-10-09T03:00:00+09:00 降灰 70 +29.6593+129.6600/+29.6599+129.6800/+29.6600+129.7000/+29.6600+129.7200/+29.6400+129.7399/+29.6200+129.7383/+29.6017+129.7200/+29.6001+129.7000/+29.6000+129.6908/+29.5892+129.6800/+29.5806+129.6600/+29.5800+129.6420/+29.5780+129.6400/+29.5618+129.6200/+29.5603+129.6000/+29.5600+129.5983/+29.5439+129.5800/+29.5404+129.5600/+29.5400+129.5578/+29.5264+129.5400/+29.5216+129.5200/+29.5200+129.5132/+29.5105+129.5000/+29.5046+129.4800/+29.5005+129.4600/+29.5000+129.4588/+29.4866+129.4400/+29.4835+129.4200/+29.4800+129.4056/+29.4779+129.4000/+29.4708+129.3800/+29.4689+129.3600/+29.4609+129.3400/+29.4600+129.3331/+29.4583+129.3200/+29.4571+129.3000/+29.4557+129.2800/+29.4566+129.2600/+29.4585+129.2400/+29.4600+129.2368/+29.4800+129.2265/+29.4955+129.2400/+29.5000+129.2479/+29.5071+129.2600/+29.5194+129.2800/+29.5200+129.2806/+29.5324+129.3000/+29.5374+129.3200/+29.5400+129.3272/+29.5451+129.3400/+29.5523+129.3600/+29.5586+129.3800/+29.5600+129.3824/+29.5682+129.4000/+29.5700+129.4200/+29.5764+129.4400/+29.5800+129.4568/+29.5818+129.4600/+29.5901+129.4800/+29.5958+129.5000/+29.5991+129.5200/+29.6000+129.5251/+29.6104+129.5400/+29.6173+129.5600/+29.6195+129.5800/+29.6200+129.5833/+29.6348+129.6000/+29.6391+129.6200/+29.6400+129.6400/+29.6400+129.6401/+29.6593+129.6600/ 南西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6209+129.7000/+29.6400+129.6805/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-09T03:00:00+09:00 2026-10-09T06:00:00+09:00 降灰 70 +29.6662+129.7000/+29.6654+129.7200/+29.6600+129.7254/+29.6400+129.7399/+29.6200+129.7386/+29.6014+129.7200/+29.6001+129.7000/+29.6000+129.6978/+29.5823+129.6800/+29.5803+129.6600/+29.5800+129.6575/+29.5644+129.6400/+29.5615+129.6200/+29.5600+129.6063/+29.5548+129.6000/+29.5457+129.5800/+29.5407+129.5600/+29.5400+129.5512/+29.5366+129.5400/+29.5282+129.5200/+29.5232+129.5000/+29.5200+129.4856/+29.5166+129.4800/+29.5091+129.4600/+29.5000+129.4436/+29.4968+129.4400/+29.4913+129.4200/+29.4856+129.4000/+29.4800+129.3851/+29.4778+129.3800/+29.4740+129.3600/+29.4683+129.3400/+29.4644+129.3200/+29.4677+129.3000/+29.4764+129.2800/+29.4800+129.2767/+29.4824+129.2800/+29.4972+129.3000/+29.5000+129.3032/+29.5173+129.3200/+29.5200+129.3212/+29.5328+129.3400/+29.5400+129.3511/+29.5463+129.3600/+29.5584+129.3800/+29.5600+129.3821/+29.5690+129.4000/+29.5711+129.4200/+29.5771+129.4400/+29.5800+129.4498/+29.5860+129.4600/+29.5950+129.4800/+29.5985+129.5000/+29.6000+129.5059/+29.6106+129.5200/+29.6171+129.5400/+29.6195+129.5600/+29.6200+129.5627/+29.6334+129.5800/+29.6383+129.6000/+29.6397+129.6200/+29.6400+129.6222/+29.6564+129.6400/+29.6596+129.6600/+29.6599+129.6800/+29.6600+129.6938/+29.6662+129.7000/ 南西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6205+129.7000/+29.6400+129.6806/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-09T06:00:00+09:00 2026-10-09T09:00:00+09:00 降灰 70 +29.6595+129.6800/+29.6600+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6200+129.7396/+29.6004+129.7200/+29.6000+129.7188/+29.5812+129.7000/+29.5800+129.6964/+29.5636+129.6800/+29.5600+129.6726/+29.5473+129.6600/+29.5400+129.6488/+29.5312+129.6400/+29.5200+129.6216/+29.5183+129.6200/+29.5010+129.6000/+29.5000+129.5982/+29.4836+129.5800/+29.4800+129.5731/+29.4671+129.5600/+29.4600+129.5461/+29.4543+129.5400/+29.4429+129.5200/+29.4400+129.5163/+29.4230+129.5000/+29.4200+129.4916/+29.4131+129.4800/+29.4031+129.4600/+29.4000+129.4542/+29.3883+129.4400/+29.3800+129.4261/+29.3758+129.4200/+29.3673+129.4000/+29.3648+129.3800/+29.3600+129.3664/+29.3575+129.3600/+29.3600+129.3515/+29.3800+129.3436/+29.4000+129.3414/+29.4174+129.3600/+29.4200+129.3619/+29.4400+129.3779/+29.4418+129.3800/+29.4600+129.3971/+29.4627+129.4000/+29.4771+129.4200/+29.4800+129.4248/+29.4900+129.4400/+29.5000+129.4586/+29.5006+129.4600/+29.5150+129.4800/+29.5200+129.4900/+29.5283+129.5000/+29.5396+129.5200/+29.5400+129.5205/+29.5556+129.5400/+29.5600+129.5495/+29.5687+129.5600/+29.5787+129.5800/+29.5800+129.5819/+29.5969+129.6000/+29.6000+129.6074/+29.6120+129.6200/+29.6197+129.6400/+29.6200+129.6403/+29.6395+129.6600/+29.6400+129.6605/+29.6595+129.6800/ 南西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6585+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6204+129.7000/+29.6400+129.6814/+29.6585+129.7000/ 南西 1 鹿児島県十島村 4630400 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、８日２１時から２４時までは火口から西方向に降灰が予想されます。 　８日１５時から９日９時までに噴火が発生した場合には、以下の方向・距離に降灰及び小さな噴石の落下が予想されます。 　 　時刻　　　　　　　　　　　　火口からの方向　降灰の距離　小さな噴石の距離 　０８日１５時から１８時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０９日００時から０３時まで　南西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０９日０３時から０６時まで　南西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０９日０６時から０９時まで　南西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　 　期間中に噴火が発生した場合には、以下の市町村に降灰が予想されます。 　鹿児島県：十島村 　 　噴煙が火口縁上１０００ｍまで上がった場合の火山灰及び小さな噴石の落下範囲を示しています。 　噴火発生時、小さな噴石の落下が予想される範囲内では、屋内や頑丈な屋根の下などに移動してください。