2026-08-22T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-23T05:00:00+09:00 2026-08-23T06:00:00+09:00 2026-08-24T00:00:00+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、２３日０９時から１２時までは火口から北西方向、２３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 2026-08-23T06:00:00+09:00 2026-08-23T09:00:00+09:00 降灰 70 +29.9214+129.3600/+29.9200+129.3637/+29.9130+129.3800/+29.9129+129.4000/+29.9016+129.4200/+29.9000+129.4219/+29.8864+129.4400/+29.8800+129.4465/+29.8736+129.4600/+29.8628+129.4800/+29.8600+129.4833/+29.8485+129.5000/+29.8400+129.5071/+29.8200+129.5199/+29.8200+129.5200/+29.8055+129.5400/+29.8000+129.5450/+29.7900+129.5600/+29.7800+129.5708/+29.7760+129.5800/+29.7600+129.5959/+29.7584+129.6000/+29.7400+129.6191/+29.7397+129.6200/+29.7299+129.6400/+29.7200+129.6499/+29.7183+129.6600/+29.7000+129.6783/+29.6998+129.6800/+29.6882+129.7000/+29.6800+129.7082/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6203+129.6800/+29.6400+129.6603/+29.6402+129.6600/+29.6489+129.6400/+29.6600+129.6289/+29.6619+129.6200/+29.6800+129.6014/+29.6808+129.6000/+29.6926+129.5800/+29.7000+129.5725/+29.7044+129.5600/+29.7200+129.5420/+29.7211+129.5400/+29.7332+129.5200/+29.7400+129.5122/+29.7464+129.5000/+29.7600+129.4853/+29.7648+129.4800/+29.7800+129.4614/+29.7813+129.4600/+29.7921+129.4400/+29.8000+129.4293/+29.8075+129.4200/+29.8200+129.4080/+29.8288+129.4000/+29.8400+129.3899/+29.8561+129.3800/+29.8600+129.3760/+29.8800+129.3633/+29.9000+129.3632/+29.9121+129.3600/+29.9200+129.3581/+29.9214+129.3600/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6618+129.7000/+29.6600+129.7018/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6975/+29.6618+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-23T09:00:00+09:00 2026-08-23T12:00:00+09:00 降灰 70 +29.8814+129.3200/+29.8800+129.3240/+29.8724+129.3400/+29.8704+129.3600/+29.8642+129.3800/+29.8600+129.3904/+29.8570+129.4000/+29.8486+129.4200/+29.8400+129.4363/+29.8388+129.4400/+29.8289+129.4600/+29.8200+129.4677/+29.8136+129.4800/+29.8000+129.4997/+29.7998+129.5000/+29.7886+129.5200/+29.7800+129.5311/+29.7773+129.5400/+29.7656+129.5600/+29.7600+129.5665/+29.7560+129.5800/+29.7400+129.5980/+29.7395+129.6000/+29.7337+129.6200/+29.7200+129.6343/+29.7189+129.6400/+29.7043+129.6600/+29.7000+129.6643/+29.6992+129.6800/+29.6800+129.6993/+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/+29.6223+129.6600/+29.6400+129.6420/+29.6404+129.6400/+29.6426+129.6200/+29.6600+129.6004/+29.6601+129.6000/+29.6627+129.5800/+29.6763+129.5600/+29.6800+129.5557/+29.6843+129.5400/+29.7000+129.5201/+29.7001+129.5200/+29.7067+129.5000/+29.7200+129.4844/+29.7229+129.4800/+29.7301+129.4600/+29.7400+129.4473/+29.7451+129.4400/+29.7505+129.4200/+29.7600+129.4097/+29.7663+129.4000/+29.7798+129.3800/+29.7800+129.3796/+29.7939+129.3600/+29.8000+129.3518/+29.8148+129.3400/+29.8200+129.3352/+29.8334+129.3200/+29.8400+129.3123/+29.8600+129.3135/+29.8800+129.3165/+29.8814+129.3200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6602+129.7000/+29.6600+129.7002/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6600+129.6997/+29.6602+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-23T12:00:00+09:00 2026-08-23T15:00:00+09:00 降灰 70 +29.8673+129.2800/+29.8629+129.3000/+29.8613+129.3200/+29.8600+129.3237/+29.8534+129.3400/+29.8431+129.3600/+29.8400+129.3648/+29.8351+129.3800/+29.8239+129.4000/+29.8200+129.4048/+29.8154+129.4200/+29.8068+129.4400/+29.8000+129.4523/+29.7951+129.4600/+29.7800+129.4728/+29.7779+129.4800/+29.7710+129.5000/+29.7600+129.5128/+29.7582+129.5200/+29.7522+129.5400/+29.7400+129.5546/+29.7391+129.5600/+29.7347+129.5800/+29.7200+129.5959/+29.7195+129.6000/+29.7174+129.6200/+29.7000+129.6380/+29.6998+129.6400/+29.6994+129.6600/+29.6870+129.6800/+29.6800+129.6870/+29.6799+129.7000/+29.6793+129.7200/+29.6600+129.7393/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6208+129.6600/+29.6400+129.6404/+29.6401+129.6400/+29.6408+129.6200/+29.6450+129.6000/+29.6600+129.5831/+29.6605+129.5800/+29.6625+129.5600/+29.6708+129.5400/+29.6800+129.5279/+29.6815+129.5200/+29.6868+129.5000/+29.6967+129.4800/+29.7000+129.4749/+29.7047+129.4600/+29.7155+129.4400/+29.7200+129.4303/+29.7224+129.4200/+29.7268+129.4000/+29.7400+129.3842/+29.7439+129.3800/+29.7522+129.3600/+29.7600+129.3482/+29.7639+129.3400/+29.7738+129.3200/+29.7800+129.3090/+29.7874+129.3000/+29.8000+129.2902/+29.8198+129.2800/+29.8200+129.2798/+29.8343+129.2600/+29.8400+129.2538/+29.8584+129.2600/+29.8600+129.2617/+29.8673+129.2800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6595+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6595+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-08-23T15:00:00+09:00 2026-08-23T18:00:00+09:00 降灰 70 +29.8321+129.2000/+29.8343+129.2200/+29.8364+129.2400/+29.8340+129.2600/+29.8306+129.2800/+29.8275+129.3000/+29.8248+129.3200/+29.8200+129.3390/+29.8197+129.3400/+29.8083+129.3600/+29.8000+129.3763/+29.7986+129.3800/+29.7941+129.4000/+29.7895+129.4200/+29.7828+129.4400/+29.7800+129.4427/+29.7600+129.4599/+29.7600+129.4600/+29.7571+129.4800/+29.7499+129.5000/+29.7400+129.5125/+29.7391+129.5200/+29.7366+129.5400/+29.7249+129.5600/+29.7200+129.5653/+29.7192+129.5800/+29.7172+129.6000/+29.7000+129.6186/+29.6999+129.6200/+29.6996+129.6400/+29.6983+129.6600/+29.6800+129.6785/+29.6800+129.6800/+29.6799+129.7000/+29.6791+129.7200/+29.6600+129.7391/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6204+129.6600/+29.6332+129.6400/+29.6400+129.6331/+29.6404+129.6200/+29.6414+129.6000/+29.6509+129.5800/+29.6600+129.5702/+29.6608+129.5600/+29.6626+129.5400/+29.6715+129.5200/+29.6800+129.5091/+29.6811+129.5000/+29.6841+129.4800/+29.6907+129.4600/+29.7000+129.4445/+29.7009+129.4400/+29.7055+129.4200/+29.7054+129.4000/+29.7107+129.3800/+29.7200+129.3601/+29.7200+129.3600/+29.7279+129.3400/+29.7357+129.3200/+29.7383+129.3000/+29.7400+129.2962/+29.7513+129.2800/+29.7600+129.2639/+29.7621+129.2600/+29.7721+129.2400/+29.7792+129.2200/+29.7800+129.2177/+29.7881+129.2000/+29.8000+129.1818/+29.8200+129.1892/+29.8321+129.2000/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6596+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6803/+29.6596+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-08-23T18:00:00+09:00 2026-08-23T21:00:00+09:00 降灰 70 +29.8662+129.1400/+29.8689+129.1600/+29.8672+129.1800/+29.8660+129.2000/+29.8600+129.2159/+29.8573+129.2200/+29.8476+129.2400/+29.8417+129.2600/+29.8400+129.2620/+29.8340+129.2800/+29.8305+129.3000/+29.8276+129.3200/+29.8218+129.3400/+29.8200+129.3419/+29.8074+129.3600/+29.8000+129.3748/+29.7982+129.3800/+29.7937+129.4000/+29.7885+129.4200/+29.7800+129.4375/+29.7764+129.4400/+29.7600+129.4479/+29.7584+129.4600/+29.7544+129.4800/+29.7400+129.4981/+29.7397+129.5000/+29.7381+129.5200/+29.7334+129.5400/+29.7200+129.5547/+29.7195+129.5600/+29.7185+129.5800/+29.7110+129.6000/+29.7000+129.6112/+29.6997+129.6200/+29.6995+129.6400/+29.6953+129.6600/+29.6800+129.6753/+29.6800+129.6800/+29.6799+129.7000/+29.6788+129.7200/+29.6600+129.7388/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6248+129.6400/+29.6400+129.6248/+29.6402+129.6200/+29.6408+129.6000/+29.6446+129.5800/+29.6600+129.5635/+29.6604+129.5600/+29.6616+129.5400/+29.6673+129.5200/+29.6800+129.5038/+29.6805+129.5000/+29.6829+129.4800/+29.6914+129.4600/+29.7000+129.4484/+29.7013+129.4400/+29.7047+129.4200/+29.7051+129.4000/+29.7113+129.3800/+29.7200+129.3607/+29.7203+129.3600/+29.7273+129.3400/+29.7363+129.3200/+29.7378+129.3000/+29.7400+129.2954/+29.7528+129.2800/+29.7600+129.2704/+29.7655+129.2600/+29.7763+129.2400/+29.7800+129.2240/+29.7815+129.2200/+29.7942+129.2000/+29.8000+129.1913/+29.8153+129.1800/+29.8200+129.1746/+29.8286+129.1600/+29.8379+129.1400/+29.8400+129.1365/+29.8600+129.1300/+29.8662+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6597+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6800/+29.6597+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-08-23T21:00:00+09:00 2026-08-24T00:00:00+09:00 降灰 70 +29.8286+129.1600/+29.8315+129.1800/+29.8321+129.2000/+29.8300+129.2200/+29.8292+129.2400/+29.8238+129.2600/+29.8205+129.2800/+29.8200+129.2816/+29.8122+129.3000/+29.8000+129.3156/+29.7983+129.3200/+29.7938+129.3400/+29.7888+129.3600/+29.7825+129.3800/+29.7800+129.3872/+29.7767+129.4000/+29.7677+129.4200/+29.7600+129.4261/+29.7562+129.4400/+29.7479+129.4600/+29.7400+129.4698/+29.7385+129.4800/+29.7367+129.5000/+29.7310+129.5200/+29.7200+129.5342/+29.7195+129.5400/+29.7184+129.5600/+29.7151+129.5800/+29.7000+129.5968/+29.6998+129.6000/+29.6995+129.6200/+29.6988+129.6400/+29.6813+129.6600/+29.6800+129.6613/+29.6799+129.6800/+29.6799+129.7000/+29.6787+129.7200/+29.6600+129.7387/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6202+129.6600/+29.6212+129.6400/+29.6348+129.6200/+29.6400+129.6144/+29.6404+129.6000/+29.6411+129.5800/+29.6434+129.5600/+29.6505+129.5400/+29.6600+129.5268/+29.6607+129.5200/+29.6625+129.5000/+29.6663+129.4800/+29.6752+129.4600/+29.6800+129.4533/+29.6824+129.4400/+29.6856+129.4200/+29.6831+129.4000/+29.6989+129.3800/+29.7000+129.3786/+29.7044+129.3600/+29.7103+129.3400/+29.7186+129.3200/+29.7200+129.3169/+29.7263+129.3000/+29.7333+129.2800/+29.7400+129.2602/+29.7401+129.2600/+29.7534+129.2400/+29.7600+129.2297/+29.7669+129.2200/+29.7750+129.2000/+29.7800+129.1869/+29.7831+129.1800/+29.7941+129.1600/+29.8000+129.1499/+29.8200+129.1534/+29.8286+129.1600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6472+129.6800/+29.6597+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6378+129.6800/+29.6400+129.6772/+29.6472+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、２３日０９時から１２時までは火口から北西方向、２３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。 　２３日６時から２３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 　２３日０６時から０９時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２３日０９時から１２時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２３日１２時から１５時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　２３日１５時から１８時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　２３日１８時から２１時まで　西　　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　２３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。