2026-09-07T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-08T08:00:00+09:00 2026-09-08T09:00:00+09:00 2026-09-09T03:00:00+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０９時から１２時までは火口から南方向、８日２１時から２４時までは火口から南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 2026-09-08T09:00:00+09:00 2026-09-08T12:00:00+09:00 降灰 70 +29.6599+129.7000/+29.6600+129.7200/+29.6400+129.7400/+29.6397+129.7400/+29.6200+129.7594/+29.6000+129.7598/+29.5940+129.7600/+29.5800+129.7734/+29.5600+129.7785/+29.5400+129.7798/+29.5378+129.7800/+29.5200+129.7929/+29.5000+129.7975/+29.4800+129.7999/+29.4795+129.8000/+29.4600+129.8077/+29.4400+129.8130/+29.4200+129.8168/+29.4016+129.8200/+29.4000+129.8208/+29.3800+129.8331/+29.3600+129.8366/+29.3400+129.8400/+29.3394+129.8400/+29.3200+129.8424/+29.3000+129.8467/+29.2800+129.8484/+29.2600+129.8476/+29.2400+129.8466/+29.2200+129.8442/+29.2104+129.8400/+29.2000+129.8293/+29.1861+129.8200/+29.1800+129.8132/+29.1726+129.8000/+29.1800+129.7961/+29.2000+129.7861/+29.2123+129.7800/+29.2200+129.7760/+29.2400+129.7645/+29.2447+129.7600/+29.2600+129.7498/+29.2800+129.7415/+29.3000+129.7404/+29.3019+129.7400/+29.3200+129.7332/+29.3400+129.7281/+29.3600+129.7222/+29.3800+129.7246/+29.4000+129.7208/+29.4056+129.7200/+29.4200+129.7139/+29.4400+129.7103/+29.4600+129.7058/+29.4800+129.7041/+29.5000+129.7020/+29.5200+129.7009/+29.5400+129.7004/+29.5571+129.7000/+29.5600+129.6982/+29.5800+129.6849/+29.6000+129.6809/+29.6200+129.6801/+29.6400+129.6801/+29.6599+129.7000/ 南 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6453+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7309/+29.6079+129.7200/+29.6200+129.7002/+29.6207+129.7000/+29.6400+129.6947/+29.6453+129.7000/ 南 2 鹿児島県十島村 4630400 2026-09-08T12:00:00+09:00 2026-09-08T15:00:00+09:00 降灰 70 +29.6597+129.7000/+29.6600+129.7200/+29.6590+129.7400/+29.6400+129.7590/+29.6200+129.7600/+29.6197+129.7600/+29.6000+129.7795/+29.5975+129.7800/+29.5800+129.7974/+29.5704+129.8000/+29.5600+129.8104/+29.5400+129.8197/+29.5393+129.8200/+29.5200+129.8384/+29.5160+129.8400/+29.5000+129.8556/+29.4939+129.8600/+29.4800+129.8738/+29.4697+129.8800/+29.4600+129.8895/+29.4400+129.8999/+29.4399+129.9000/+29.4265+129.9200/+29.4200+129.9278/+29.4063+129.9400/+29.4000+129.9446/+29.3800+129.9577/+29.3754+129.9600/+29.3600+129.9727/+29.3400+129.9799/+29.3397+129.9800/+29.3200+129.9865/+29.3000+129.9936/+29.2901+130.0000/+29.2800+130.0081/+29.2600+130.0091/+29.2400+130.0097/+29.2230+130.0000/+29.2356+129.9800/+29.2400+129.9689/+29.2416+129.9600/+29.2571+129.9400/+29.2600+129.9373/+29.2789+129.9200/+29.2800+129.9192/+29.2970+129.9000/+29.3000+129.8975/+29.3200+129.8832/+29.3234+129.8800/+29.3400+129.8699/+29.3546+129.8600/+29.3600+129.8545/+29.3749+129.8400/+29.3800+129.8357/+29.4000+129.8286/+29.4132+129.8200/+29.4200+129.8142/+29.4400+129.8022/+29.4426+129.8000/+29.4600+129.7851/+29.4681+129.7800/+29.4800+129.7699/+29.5000+129.7613/+29.5024+129.7600/+29.5200+129.7450/+29.5396+129.7400/+29.5400+129.7396/+29.5600+129.7216/+29.5689+129.7200/+29.5800+129.7090/+29.6000+129.7002/+29.6009+129.7000/+29.6200+129.6809/+29.6400+129.6803/+29.6597+129.7000/ 南東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7328/+29.6085+129.7200/+29.6200+129.7098/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-09-08T15:00:00+09:00 2026-09-08T18:00:00+09:00 降灰 70 +29.6597+129.7000/+29.6600+129.7200/+29.6589+129.7400/+29.6400+129.7589/+29.6200+129.7599/+29.6194+129.7600/+29.6000+129.7794/+29.5944+129.7800/+29.5800+129.7944/+29.5600+129.7998/+29.5592+129.8000/+29.5400+129.8184/+29.5352+129.8200/+29.5200+129.8349/+29.5032+129.8400/+29.5000+129.8431/+29.4800+129.8587/+29.4768+129.8600/+29.4600+129.8755/+29.4508+129.8800/+29.4400+129.8898/+29.4320+129.9000/+29.4200+129.9139/+29.4029+129.9200/+29.4000+129.9228/+29.3822+129.9400/+29.3800+129.9419/+29.3600+129.9543/+29.3478+129.9600/+29.3400+129.9679/+29.3239+129.9800/+29.3200+129.9821/+29.3000+129.9913/+29.2873+130.0000/+29.2800+130.0061/+29.2600+130.0107/+29.2400+130.0149/+29.2200+130.0105/+29.2047+130.0000/+29.2200+129.9904/+29.2302+129.9800/+29.2400+129.9635/+29.2407+129.9600/+29.2558+129.9400/+29.2600+129.9359/+29.2769+129.9200/+29.2800+129.9171/+29.2916+129.9000/+29.3000+129.8924/+29.3174+129.8800/+29.3200+129.8785/+29.3400+129.8686/+29.3520+129.8600/+29.3600+129.8503/+29.3698+129.8400/+29.3800+129.8319/+29.4000+129.8309/+29.4200+129.8209/+29.4214+129.8200/+29.4400+129.8036/+29.4482+129.8000/+29.4600+129.7892/+29.4800+129.7809/+29.4818+129.7800/+29.5000+129.7632/+29.5100+129.7600/+29.5200+129.7501/+29.5400+129.7407/+29.5416+129.7400/+29.5600+129.7218/+29.5800+129.7200/+29.6000+129.7002/+29.6010+129.7000/+29.6200+129.6810/+29.6400+129.6803/+29.6597+129.7000/ 南東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7309/+29.6100+129.7200/+29.6200+129.7114/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-09-08T18:00:00+09:00 2026-09-08T21:00:00+09:00 降灰 70 +29.6598+129.7000/+29.6600+129.7200/+29.6540+129.7400/+29.6400+129.7540/+29.6200+129.7598/+29.6140+129.7600/+29.6000+129.7740/+29.5800+129.7794/+29.5752+129.7800/+29.5600+129.7949/+29.5400+129.7994/+29.5373+129.8000/+29.5200+129.8159/+29.5000+129.8197/+29.4991+129.8200/+29.4800+129.8364/+29.4665+129.8400/+29.4600+129.8455/+29.4400+129.8568/+29.4313+129.8600/+29.4200+129.8696/+29.4052+129.8800/+29.4000+129.8856/+29.3800+129.8956/+29.3699+129.9000/+29.3600+129.9053/+29.3400+129.9131/+29.3230+129.9200/+29.3200+129.9232/+29.3000+129.9340/+29.2862+129.9400/+29.2800+129.9424/+29.2600+129.9488/+29.2400+129.9578/+29.2255+129.9600/+29.2200+129.9611/+29.2000+129.9657/+29.1802+129.9600/+29.1800+129.9596/+29.1744+129.9400/+29.1800+129.9321/+29.1865+129.9200/+29.1936+129.9000/+29.2000+129.8948/+29.2154+129.8800/+29.2200+129.8763/+29.2400+129.8620/+29.2435+129.8600/+29.2600+129.8504/+29.2774+129.8400/+29.2800+129.8381/+29.3000+129.8232/+29.3039+129.8200/+29.3200+129.8106/+29.3400+129.8016/+29.3420+129.8000/+29.3600+129.7831/+29.3800+129.7829/+29.3916+129.7800/+29.4000+129.7753/+29.4200+129.7643/+29.4400+129.7601/+29.4402+129.7600/+29.4600+129.7453/+29.4800+129.7411/+29.4861+129.7400/+29.5000+129.7289/+29.5200+129.7220/+29.5400+129.7203/+29.5420+129.7200/+29.5600+129.7035/+29.5800+129.7004/+29.6000+129.7001/+29.6004+129.7000/+29.6200+129.6804/+29.6400+129.6802/+29.6598+129.7000/ 南東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7333/+29.6066+129.7200/+29.6200+129.7084/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-09-08T21:00:00+09:00 2026-09-09T00:00:00+09:00 降灰 70 +29.6599+129.7000/+29.6600+129.7200/+29.6400+129.7400/+29.6395+129.7400/+29.6200+129.7594/+29.6000+129.7598/+29.5800+129.7600/+29.5797+129.7600/+29.5600+129.7778/+29.5400+129.7794/+29.5315+129.7800/+29.5200+129.7901/+29.5000+129.7972/+29.4800+129.7998/+29.4789+129.8000/+29.4600+129.8126/+29.4400+129.8180/+29.4323+129.8200/+29.4200+129.8299/+29.4000+129.8362/+29.3936+129.8400/+29.3800+129.8526/+29.3600+129.8563/+29.3421+129.8600/+29.3400+129.8614/+29.3200+129.8716/+29.3000+129.8775/+29.2940+129.8800/+29.2800+129.8889/+29.2600+129.8885/+29.2400+129.8878/+29.2200+129.8817/+29.2184+129.8800/+29.2200+129.8712/+29.2225+129.8600/+29.2247+129.8400/+29.2400+129.8298/+29.2522+129.8200/+29.2600+129.8143/+29.2800+129.8015/+29.2813+129.8000/+29.3000+129.7868/+29.3126+129.7800/+29.3200+129.7758/+29.3400+129.7671/+29.3562+129.7600/+29.3600+129.7580/+29.3666+129.7600/+29.3800+129.7611/+29.3850+129.7600/+29.4000+129.7520/+29.4200+129.7450/+29.4400+129.7416/+29.4534+129.7400/+29.4600+129.7358/+29.4800+129.7246/+29.5000+129.7213/+29.5200+129.7203/+29.5227+129.7200/+29.5400+129.7047/+29.5600+129.7008/+29.5800+129.7002/+29.5970+129.7000/+29.6000+129.6970/+29.6200+129.6802/+29.6400+129.6801/+29.6599+129.7000/ 南 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7302/+29.6081+129.7200/+29.6200+129.7098/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-09-09T00:00:00+09:00 2026-09-09T03:00:00+09:00 降灰 70 +29.6598+129.7000/+29.6600+129.7200/+29.6400+129.7400/+29.6398+129.7400/+29.6200+129.7597/+29.6000+129.7599/+29.5956+129.7600/+29.5800+129.7753/+29.5600+129.7794/+29.5425+129.7800/+29.5400+129.7823/+29.5200+129.7977/+29.5000+129.7998/+29.4989+129.8000/+29.4800+129.8159/+29.4600+129.8196/+29.4585+129.8200/+29.4400+129.8348/+29.4200+129.8398/+29.4194+129.8400/+29.4000+129.8537/+29.3857+129.8600/+29.3800+129.8661/+29.3600+129.8779/+29.3551+129.8800/+29.3400+129.8883/+29.3200+129.8991/+29.3151+129.9000/+29.3000+129.9028/+29.2800+129.9071/+29.2600+129.9073/+29.2400+129.9079/+29.2200+129.9007/+29.2188+129.9000/+29.2160+129.8800/+29.2200+129.8740/+29.2333+129.8600/+29.2400+129.8535/+29.2486+129.8400/+29.2600+129.8300/+29.2772+129.8200/+29.2800+129.8188/+29.3000+129.8084/+29.3199+129.8000/+29.3200+129.7999/+29.3400+129.7864/+29.3506+129.7800/+29.3600+129.7745/+29.3800+129.7752/+29.4000+129.7666/+29.4200+129.7612/+29.4263+129.7600/+29.4400+129.7512/+29.4600+129.7437/+29.4800+129.7407/+29.4840+129.7400/+29.5000+129.7265/+29.5200+129.7214/+29.5400+129.7202/+29.5418+129.7200/+29.5600+129.7027/+29.5800+129.7003/+29.6000+129.7000/+29.6003+129.7000/+29.6200+129.6803/+29.6400+129.6802/+29.6598+129.7000/ 南 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7299/+29.6089+129.7200/+29.6200+129.7102/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 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０９時から１２時までは火口から南方向、８日２１時から２４時までは火口から南方向に降灰が予想されます。 　８日９時から９日３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０９時から１２時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０８日１２時から１５時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０８日１５時から１８時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０８日１８時から２１時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０８日２１時から２４時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０９日００時から０３時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　 　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。