2026-10-02T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-03T05:00:00+09:00 2026-10-03T06:00:00+09:00 2026-10-04T00:00:00+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、３日０９時から１２時までは火口から南西方向、３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 2026-10-03T06:00:00+09:00 2026-10-03T09:00:00+09:00 降灰 70 +29.6580+129.6600/+29.6599+129.6800/+29.6600+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6200+129.7391/+29.6009+129.7200/+29.6000+129.7000/+29.6000+129.6988/+29.5814+129.6800/+29.5801+129.6600/+29.5800+129.6594/+29.5624+129.6400/+29.5601+129.6200/+29.5600+129.6194/+29.5442+129.6000/+29.5401+129.5800/+29.5400+129.5793/+29.5268+129.5600/+29.5219+129.5400/+29.5200+129.5301/+29.5120+129.5200/+29.5029+129.5000/+29.5000+129.4911/+29.4920+129.4800/+29.4800+129.4600/+29.4717+129.4400/+29.4677+129.4200/+29.4648+129.4000/+29.4621+129.3800/+29.4600+129.3735/+29.4520+129.3600/+29.4468+129.3400/+29.4400+129.3227/+29.4384+129.3200/+29.4369+129.3000/+29.4351+129.2800/+29.4400+129.2684/+29.4600+129.2697/+29.4800+129.2704/+29.4859+129.2800/+29.4980+129.3000/+29.5000+129.3042/+29.5062+129.3200/+29.5176+129.3400/+29.5200+129.3436/+29.5313+129.3600/+29.5392+129.3800/+29.5400+129.3814/+29.5511+129.4000/+29.5534+129.4200/+29.5578+129.4400/+29.5600+129.4481/+29.5673+129.4600/+29.5752+129.4800/+29.5787+129.5000/+29.5800+129.5060/+29.5901+129.5200/+29.5978+129.5400/+29.6000+129.5587/+29.6010+129.5600/+29.6173+129.5800/+29.6196+129.6000/+29.6200+129.6018/+29.6372+129.6200/+29.6396+129.6400/+29.6400+129.6420/+29.6580+129.6600/ 南西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6587+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6208+129.7000/+29.6400+129.6809/+29.6587+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-03T09:00:00+09:00 2026-10-03T12:00:00+09:00 降灰 70 +29.6477+129.6400/+29.6594+129.6600/+29.6599+129.6800/+29.6600+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6200+129.7388/+29.6012+129.7200/+29.6001+129.7000/+29.6000+129.6983/+29.5818+129.6800/+29.5801+129.6600/+29.5800+129.6595/+29.5626+129.6400/+29.5600+129.6262/+29.5543+129.6200/+29.5422+129.6000/+29.5400+129.5909/+29.5316+129.5800/+29.5230+129.5600/+29.5200+129.5531/+29.5102+129.5400/+29.5024+129.5200/+29.5017+129.5000/+29.5000+129.4931/+29.4925+129.4800/+29.4848+129.4600/+29.4800+129.4437/+29.4788+129.4400/+29.4746+129.4200/+29.4719+129.4000/+29.4708+129.3800/+29.4665+129.3600/+29.4632+129.3400/+29.4629+129.3200/+29.4729+129.3000/+29.4800+129.2919/+29.5000+129.2968/+29.5165+129.3000/+29.5200+129.3006/+29.5354+129.3200/+29.5400+129.3269/+29.5476+129.3400/+29.5600+129.3579/+29.5610+129.3600/+29.5697+129.3800/+29.5752+129.4000/+29.5772+129.4200/+29.5800+129.4265/+29.5869+129.4400/+29.5905+129.4600/+29.5962+129.4800/+29.5996+129.5000/+29.6000+129.5024/+29.6100+129.5200/+29.6159+129.5400/+29.6190+129.5600/+29.6200+129.5700/+29.6273+129.5800/+29.6373+129.6000/+29.6394+129.6200/+29.6400+129.6321/+29.6477+129.6400/ 南西 40 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/+29.6207+129.7000/+29.6400+129.6803/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-03T12:00:00+09:00 2026-10-03T15:00:00+09:00 降灰 70 +29.6607+129.6800/+29.6774+129.7000/+29.6720+129.7200/+29.6600+129.7320/+29.6400+129.7398/+29.6200+129.7271/+29.6129+129.7200/+29.6003+129.7000/+29.6001+129.6800/+29.6001+129.6600/+29.6000+129.6586/+29.5829+129.6400/+29.5812+129.6200/+29.5806+129.6000/+29.5800+129.5898/+29.5718+129.5800/+29.5644+129.5600/+29.5622+129.5400/+29.5606+129.5200/+29.5600+129.5162/+29.5505+129.5000/+29.5453+129.4800/+29.5438+129.4600/+29.5400+129.4400/+29.5400+129.4399/+29.5283+129.4200/+29.5266+129.4000/+29.5251+129.3800/+29.5228+129.3600/+29.5200+129.3406/+29.5198+129.3400/+29.5105+129.3200/+29.5069+129.3000/+29.5036+129.2800/+29.5035+129.2600/+29.5034+129.2400/+29.5043+129.2200/+29.5200+129.2014/+29.5309+129.2000/+29.5400+129.1951/+29.5432+129.2000/+29.5600+129.2118/+29.5639+129.2200/+29.5719+129.2400/+29.5800+129.2550/+29.5820+129.2600/+29.5881+129.2800/+29.5947+129.3000/+29.6000+129.3162/+29.6014+129.3200/+29.6084+129.3400/+29.6143+129.3600/+29.6193+129.3800/+29.6200+129.3826/+29.6254+129.4000/+29.6200+129.4129/+29.6190+129.4200/+29.6200+129.4249/+29.6277+129.4400/+29.6326+129.4600/+29.6362+129.4800/+29.6385+129.5000/+29.6397+129.5200/+29.6400+129.5227/+29.6505+129.5400/+29.6557+129.5600/+29.6580+129.5800/+29.6591+129.6000/+29.6595+129.6200/+29.6598+129.6400/+29.6599+129.6600/+29.6600+129.6791/+29.6607+129.6800/ 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/+29.6212+129.7000/+29.6400+129.6802/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-03T15:00:00+09:00 2026-10-03T18:00:00+09:00 降灰 70 +29.6604+129.2400/+29.6637+129.2600/+29.6661+129.2800/+29.6622+129.3000/+29.6625+129.3200/+29.6645+129.3400/+29.6670+129.3600/+29.6693+129.3800/+29.6705+129.4000/+29.6600+129.4119/+29.6580+129.4200/+29.6588+129.4400/+29.6589+129.4600/+29.6591+129.4800/+29.6593+129.5000/+29.6595+129.5200/+29.6596+129.5400/+29.6597+129.5600/+29.6598+129.5800/+29.6599+129.6000/+29.6599+129.6200/+29.6600+129.6400/+29.6600+129.6503/+29.6647+129.6600/+29.6757+129.6800/+29.6789+129.7000/+29.6754+129.7200/+29.6600+129.7354/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7174/+29.6026+129.7000/+29.6006+129.6800/+29.6005+129.6600/+29.6005+129.6400/+29.6006+129.6200/+29.6007+129.6000/+29.6008+129.5800/+29.6008+129.5600/+29.6009+129.5400/+29.6008+129.5200/+29.6006+129.5000/+29.6004+129.4800/+29.6000+129.4600/+29.6000+129.4590/+29.5942+129.4400/+29.5944+129.4200/+29.5848+129.4000/+29.5844+129.3800/+29.5850+129.3600/+29.5850+129.3400/+29.5838+129.3200/+29.5800+129.3068/+29.5759+129.3000/+29.5781+129.2800/+29.5800+129.2600/+29.5800+129.2597/+29.5823+129.2400/+29.5848+129.2200/+29.5868+129.2000/+29.5916+129.1800/+29.5964+129.1600/+29.6000+129.1464/+29.6132+129.1600/+29.6200+129.1674/+29.6297+129.1800/+29.6400+129.1841/+29.6487+129.2000/+29.6557+129.2200/+29.6600+129.2382/+29.6604+129.2400/ 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/+29.6212+129.7000/+29.6400+129.6801/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-03T18:00:00+09:00 2026-10-03T21:00:00+09:00 降灰 70 +29.6613+129.1600/+29.6656+129.1800/+29.6642+129.2000/+29.6670+129.2200/+29.6690+129.2400/+29.6703+129.2600/+29.6713+129.2800/+29.6710+129.3000/+29.6721+129.3200/+29.6730+129.3400/+29.6736+129.3600/+29.6739+129.3800/+29.6748+129.4000/+29.6618+129.4200/+29.6600+129.4329/+29.6599+129.4400/+29.6595+129.4600/+29.6597+129.4800/+29.6598+129.5000/+29.6596+129.5200/+29.6596+129.5400/+29.6597+129.5600/+29.6598+129.5800/+29.6598+129.6000/+29.6599+129.6200/+29.6599+129.6400/+29.6600+129.6600/+29.6600+129.6628/+29.6727+129.6800/+29.6787+129.7000/+29.6747+129.7200/+29.6600+129.7347/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7176/+29.6025+129.7000/+29.6005+129.6800/+29.6004+129.6600/+29.6004+129.6400/+29.6005+129.6200/+29.6006+129.6000/+29.6007+129.5800/+29.6008+129.5600/+29.6009+129.5400/+29.6010+129.5200/+29.6011+129.5000/+29.6009+129.4800/+29.6009+129.4600/+29.6007+129.4400/+29.6005+129.4200/+29.6000+129.4181/+29.5865+129.4000/+29.5865+129.3800/+29.5874+129.3600/+29.5880+129.3400/+29.5884+129.3200/+29.5827+129.3000/+29.5851+129.2800/+29.5870+129.2600/+29.5893+129.2400/+29.5932+129.2200/+29.5977+129.2000/+29.6000+129.1881/+29.6034+129.1800/+29.6191+129.1600/+29.6200+129.1587/+29.6347+129.1400/+29.6400+129.1334/+29.6464+129.1400/+29.6600+129.1549/+29.6613+129.1600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6409+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6391+129.6800/+29.6400+129.6787/+29.6409+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-03T21:00:00+09:00 2026-10-04T00:00:00+09:00 降灰 70 +29.6823+129.1400/+29.6841+129.1600/+29.6846+129.1800/+29.6871+129.2000/+29.6845+129.2200/+29.6816+129.2400/+29.6803+129.2600/+29.6800+129.2640/+29.6796+129.2800/+29.6788+129.3000/+29.6794+129.3200/+29.6788+129.3400/+29.6786+129.3600/+29.6785+129.3800/+29.6780+129.4000/+29.6693+129.4200/+29.6683+129.4400/+29.6680+129.4600/+29.6660+129.4800/+29.6638+129.5000/+29.6630+129.5200/+29.6608+129.5400/+29.6600+129.5488/+29.6600+129.5600/+29.6599+129.5800/+29.6599+129.6000/+29.6600+129.6200/+29.6600+129.6400/+29.6600+129.6514/+29.6636+129.6600/+29.6752+129.6800/+29.6789+129.7000/+29.6742+129.7200/+29.6600+129.7342/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7160/+29.6040+129.7000/+29.6007+129.6800/+29.6005+129.6600/+29.6005+129.6400/+29.6007+129.6200/+29.6008+129.6000/+29.6009+129.5800/+29.6012+129.5600/+29.6013+129.5400/+29.6016+129.5200/+29.6019+129.5000/+29.6022+129.4800/+29.6025+129.4600/+29.6031+129.4400/+29.6033+129.4200/+29.6000+129.4077/+29.5926+129.4000/+29.5938+129.3800/+29.5970+129.3600/+29.6000+129.3421/+29.6002+129.3400/+29.6014+129.3200/+29.6039+129.3000/+29.6052+129.2800/+29.6068+129.2600/+29.6088+129.2400/+29.6104+129.2200/+29.6123+129.2000/+29.6164+129.1800/+29.6195+129.1600/+29.6200+129.1568/+29.6231+129.1400/+29.6277+129.1200/+29.6335+129.1000/+29.6385+129.0800/+29.6400+129.0748/+29.6597+129.0600/+29.6600+129.0597/+29.6602+129.0600/+29.6681+129.0800/+29.6729+129.1000/+29.6785+129.1200/+29.6800+129.1270/+29.6823+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6440+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6360+129.6800/+29.6400+129.6744/+29.6440+129.6800/ 西 3 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、３日０９時から１２時までは火口から南西方向、３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。 　３日６時から３日２４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 　０３日０６時から０９時まで　南西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０３日０９時から１２時まで　南西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　０３日１２時から１５時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０３日１５時から１８時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０３日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　 　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。