2026-10-11T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T11:00:00+09:00 2026-10-11T12:00:00+09:00 2026-10-12T06:00:00+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、１１日２１時から２４時までは火口から北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 2026-10-11T12:00:00+09:00 2026-10-11T15:00:00+09:00 降灰 70 +29.9466+129.2800/+29.9547+129.3000/+29.9437+129.3200/+29.9400+129.3379/+29.9397+129.3400/+29.9285+129.3600/+29.9200+129.3698/+29.9142+129.3800/+29.9048+129.4000/+29.9000+129.4096/+29.8924+129.4200/+29.8800+129.4301/+29.8741+129.4400/+29.8615+129.4600/+29.8600+129.4621/+29.8502+129.4800/+29.8400+129.4921/+29.8327+129.5000/+29.8200+129.5100/+29.8111+129.5200/+29.8000+129.5316/+29.7954+129.5400/+29.7800+129.5569/+29.7787+129.5600/+29.7653+129.5800/+29.7600+129.5855/+29.7532+129.6000/+29.7400+129.6138/+29.7380+129.6200/+29.7200+129.6389/+29.7197+129.6400/+29.7131+129.6600/+29.7000+129.6731/+29.6995+129.6800/+29.6800+129.6996/+29.6800+129.7000/+29.6795+129.7200/+29.6600+129.7394/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6395+129.6600/+29.6400+129.6595/+29.6408+129.6400/+29.6600+129.6203/+29.6601+129.6200/+29.6627+129.6000/+29.6800+129.5819/+29.6807+129.5800/+29.6863+129.5600/+29.7000+129.5452/+29.7019+129.5400/+29.7150+129.5200/+29.7200+129.5145/+29.7250+129.5000/+29.7400+129.4835/+29.7424+129.4800/+29.7538+129.4600/+29.7600+129.4529/+29.7658+129.4400/+29.7720+129.4200/+29.7800+129.4088/+29.7870+129.4000/+29.8000+129.3844/+29.8036+129.3800/+29.8196+129.3600/+29.8200+129.3592/+29.8299+129.3400/+29.8400+129.3328/+29.8548+129.3200/+29.8600+129.3116/+29.8709+129.3000/+29.8800+129.2936/+29.8984+129.2800/+29.9000+129.2781/+29.9200+129.2772/+29.9400+129.2746/+29.9466+129.2800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6718+129.7000/+29.6694+129.7200/+29.6600+129.7294/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6809/+29.6600+129.6839/+29.6718+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-11T15:00:00+09:00 2026-10-11T18:00:00+09:00 降灰 70 +29.9377+129.2600/+29.9294+129.2800/+29.9287+129.3000/+29.9200+129.3173/+29.9190+129.3200/+29.9094+129.3400/+29.9021+129.3600/+29.9000+129.3647/+29.8912+129.3800/+29.8800+129.3930/+29.8772+129.4000/+29.8666+129.4200/+29.8600+129.4288/+29.8537+129.4400/+29.8414+129.4600/+29.8400+129.4619/+29.8200+129.4796/+29.8198+129.4800/+29.8101+129.5000/+29.8000+129.5106/+29.7955+129.5200/+29.7800+129.5387/+29.7794+129.5400/+29.7672+129.5600/+29.7600+129.5678/+29.7563+129.5800/+29.7400+129.5982/+29.7395+129.6000/+29.7317+129.6200/+29.7200+129.6322/+29.7188+129.6400/+29.7000+129.6598/+29.7000+129.6600/+29.6991+129.6800/+29.6800+129.6992/+29.6800+129.7000/+29.6794+129.7200/+29.6600+129.7394/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6269+129.6600/+29.6400+129.6469/+29.6405+129.6400/+29.6495+129.6200/+29.6600+129.6094/+29.6611+129.6000/+29.6718+129.5800/+29.6800+129.5716/+29.6822+129.5600/+29.6974+129.5400/+29.7000+129.5372/+29.7042+129.5200/+29.7200+129.5019/+29.7209+129.5000/+29.7285+129.4800/+29.7400+129.4659/+29.7426+129.4600/+29.7539+129.4400/+29.7600+129.4243/+29.7610+129.4200/+29.7702+129.4000/+29.7800+129.3871/+29.7874+129.3800/+29.8000+129.3617/+29.8012+129.3600/+29.8140+129.3400/+29.8200+129.3330/+29.8376+129.3200/+29.8400+129.3174/+29.8548+129.3000/+29.8600+129.2935/+29.8701+129.2800/+29.8800+129.2696/+29.8960+129.2600/+29.9000+129.2550/+29.9200+129.2556/+29.9377+129.2600/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6654+129.7000/+29.6614+129.7200/+29.6600+129.7214/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6807/+29.6600+129.6910/+29.6654+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-11T18:00:00+09:00 2026-10-11T21:00:00+09:00 降灰 70 +29.9211+129.2000/+29.9200+129.2043/+29.9177+129.2200/+29.9164+129.2400/+29.9109+129.2600/+29.9000+129.2768/+29.8990+129.2800/+29.8935+129.3000/+29.8802+129.3200/+29.8800+129.3203/+29.8723+129.3400/+29.8664+129.3600/+29.8600+129.3754/+29.8576+129.3800/+29.8422+129.4000/+29.8400+129.4038/+29.8315+129.4200/+29.8200+129.4299/+29.8162+129.4400/+29.8104+129.4600/+29.8000+129.4697/+29.7896+129.4800/+29.7800+129.4912/+29.7775+129.5000/+29.7685+129.5200/+29.7600+129.5291/+29.7578+129.5400/+29.7464+129.5600/+29.7400+129.5666/+29.7383+129.5800/+29.7242+129.6000/+29.7200+129.6044/+29.7191+129.6200/+29.7080+129.6400/+29.7000+129.6481/+29.6997+129.6600/+29.6965+129.6800/+29.6800+129.6965/+29.6799+129.7000/+29.6792+129.7200/+29.6600+129.7392/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6220+129.6600/+29.6400+129.6420/+29.6402+129.6400/+29.6417+129.6200/+29.6600+129.6013/+29.6603+129.6000/+29.6619+129.5800/+29.6790+129.5600/+29.6800+129.5589/+29.6820+129.5400/+29.6940+129.5200/+29.7000+129.5133/+29.7022+129.5000/+29.7107+129.4800/+29.7200+129.4694/+29.7228+129.4600/+29.7309+129.4400/+29.7314+129.4200/+29.7400+129.4049/+29.7435+129.4000/+29.7600+129.3846/+29.7629+129.3800/+29.7691+129.3600/+29.7800+129.3414/+29.7809+129.3400/+29.7921+129.3200/+29.8000+129.3107/+29.8073+129.3000/+29.8196+129.2800/+29.8200+129.2791/+29.8313+129.2600/+29.8400+129.2471/+29.8509+129.2400/+29.8600+129.2324/+29.8773+129.2200/+29.8800+129.2168/+29.8896+129.2000/+29.9000+129.1877/+29.9200+129.1989/+29.9211+129.2000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6625+129.7000/+29.6600+129.7025/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6805/+29.6600+129.6942/+29.6625+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-11T21:00:00+09:00 2026-10-12T00:00:00+09:00 降灰 70 +29.9620+129.2400/+29.9600+129.2541/+29.9584+129.2600/+29.9460+129.2800/+29.9412+129.3000/+29.9400+129.3019/+29.9341+129.3200/+29.9200+129.3386/+29.9190+129.3400/+29.9090+129.3600/+29.9000+129.3792/+29.8995+129.3800/+29.8800+129.3979/+29.8789+129.4000/+29.8679+129.4200/+29.8600+129.4292/+29.8539+129.4400/+29.8434+129.4600/+29.8400+129.4648/+29.8200+129.4769/+29.8184+129.4800/+29.8081+129.5000/+29.8000+129.5088/+29.7960+129.5200/+29.7800+129.5369/+29.7787+129.5400/+29.7666+129.5600/+29.7600+129.5668/+29.7570+129.5800/+29.7400+129.5979/+29.7395+129.6000/+29.7334+129.6200/+29.7200+129.6334/+29.7192+129.6400/+29.7000+129.6598/+29.7000+129.6600/+29.6995+129.6800/+29.6800+129.6995/+29.6800+129.7000/+29.6794+129.7200/+29.6600+129.7394/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6601/+29.6401+129.6600/+29.6410+129.6400/+29.6600+129.6208/+29.6603+129.6200/+29.6635+129.6000/+29.6800+129.5833/+29.6808+129.5800/+29.6892+129.5600/+29.7000+129.5492/+29.7022+129.5400/+29.7175+129.5200/+29.7200+129.5172/+29.7259+129.5000/+29.7400+129.4842/+29.7419+129.4800/+29.7541+129.4600/+29.7600+129.4523/+29.7633+129.4400/+29.7672+129.4200/+29.7800+129.4018/+29.7816+129.4000/+29.7980+129.3800/+29.8000+129.3769/+29.8123+129.3600/+29.8200+129.3421/+29.8209+129.3400/+29.8400+129.3252/+29.8461+129.3200/+29.8578+129.3000/+29.8600+129.2973/+29.8794+129.2800/+29.8800+129.2790/+29.8966+129.2600/+29.9000+129.2568/+29.9200+129.2507/+29.9318+129.2400/+29.9400+129.2312/+29.9600+129.2337/+29.9620+129.2400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6655+129.7000/+29.6600+129.7055/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6898/+29.6655+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-12T00:00:00+09:00 2026-10-12T03:00:00+09:00 降灰 70 +29.9325+129.3200/+29.9313+129.3400/+29.9262+129.3600/+29.9200+129.3676/+29.9129+129.3800/+29.9052+129.4000/+29.9000+129.4103/+29.8916+129.4200/+29.8800+129.4272/+29.8742+129.4400/+29.8640+129.4600/+29.8600+129.4657/+29.8530+129.4800/+29.8400+129.4953/+29.8295+129.5000/+29.8200+129.5052/+29.8126+129.5200/+29.8000+129.5334/+29.7970+129.5400/+29.7800+129.5578/+29.7790+129.5600/+29.7673+129.5800/+29.7600+129.5876/+29.7559+129.6000/+29.7400+129.6161/+29.7388+129.6200/+29.7200+129.6395/+29.7199+129.6400/+29.7168+129.6600/+29.7000+129.6769/+29.6997+129.6800/+29.6800+129.6999/+29.6800+129.7000/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6602/+29.6402+129.6600/+29.6437+129.6400/+29.6600+129.6237/+29.6610+129.6200/+29.6800+129.6002/+29.6801+129.6000/+29.6846+129.5800/+29.7000+129.5638/+29.7016+129.5600/+29.7155+129.5400/+29.7200+129.5351/+29.7251+129.5200/+29.7400+129.5035/+29.7422+129.5000/+29.7557+129.4800/+29.7600+129.4749/+29.7676+129.4600/+29.7756+129.4400/+29.7800+129.4322/+29.7876+129.4200/+29.8000+129.4050/+29.8043+129.4000/+29.8200+129.3865/+29.8268+129.3800/+29.8400+129.3621/+29.8430+129.3600/+29.8591+129.3400/+29.8600+129.3391/+29.8800+129.3237/+29.8901+129.3200/+29.9000+129.3121/+29.9200+129.3061/+29.9325+129.3200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6628+129.7000/+29.6600+129.7028/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6954/+29.6628+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-12T03:00:00+09:00 2026-10-12T06:00:00+09:00 降灰 70 +29.8834+129.3200/+29.8800+129.3298/+29.8741+129.3400/+29.8717+129.3600/+29.8664+129.3800/+29.8613+129.4000/+29.8600+129.4027/+29.8535+129.4200/+29.8440+129.4400/+29.8400+129.4472/+29.8338+129.4600/+29.8200+129.4717/+29.8150+129.4800/+29.8000+129.4982/+29.7992+129.5000/+29.7887+129.5200/+29.7800+129.5294/+29.7765+129.5400/+29.7656+129.5600/+29.7600+129.5659/+29.7545+129.5800/+29.7400+129.5960/+29.7389+129.6000/+29.7293+129.6200/+29.7200+129.6296/+29.7185+129.6400/+29.7000+129.6594/+29.6999+129.6600/+29.6990+129.6800/+29.6800+129.6990/+29.6800+129.7000/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6240+129.6600/+29.6400+129.6439/+29.6405+129.6400/+29.6441+129.6200/+29.6600+129.6030/+29.6607+129.6000/+29.6644+129.5800/+29.6800+129.5624/+29.6809+129.5600/+29.6849+129.5400/+29.7000+129.5210/+29.7005+129.5200/+29.7064+129.5000/+29.7200+129.4835/+29.7220+129.4800/+29.7298+129.4600/+29.7400+129.4466/+29.7453+129.4400/+29.7516+129.4200/+29.7600+129.4107/+29.7672+129.4000/+29.7800+129.3826/+29.7832+129.3800/+29.7972+129.3600/+29.8000+129.3560/+29.8185+129.3400/+29.8200+129.3386/+29.8386+129.3200/+29.8400+129.3185/+29.8600+129.3169/+29.8800+129.3141/+29.8834+129.3200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6599+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6215+129.7000/+29.6400+129.6811/+29.6599+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、１１日２１時から２４時までは火口から北西方向に降灰が予想されます。 　１１日１２時から１２日６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 　１１日１２時から１５時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１１日１５時から１８時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１１日１８時から２１時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１１日２１時から２４時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１２日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１２日０３時から０６時まで　北西　　　　　　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。