2026-10-12T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-12T14:00:00+09:00 2026-10-12T15:00:00+09:00 2026-10-13T09:00:00+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、１２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 2026-10-12T15:00:00+09:00 2026-10-12T18:00:00+09:00 降灰 70 +29.8283+129.2400/+29.8263+129.2600/+29.8236+129.2800/+29.8204+129.3000/+29.8200+129.3032/+29.8178+129.3200/+29.8124+129.3400/+29.8047+129.3600/+29.8000+129.3721/+29.7976+129.3800/+29.7931+129.4000/+29.7884+129.4200/+29.7813+129.4400/+29.7800+129.4413/+29.7634+129.4600/+29.7600+129.4651/+29.7573+129.4800/+29.7525+129.5000/+29.7400+129.5175/+29.7395+129.5200/+29.7371+129.5400/+29.7304+129.5600/+29.7200+129.5720/+29.7192+129.5800/+29.7171+129.6000/+29.7034+129.6200/+29.7000+129.6234/+29.6995+129.6400/+29.6983+129.6600/+29.6800+129.6788/+29.6800+129.6800/+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/+29.6203+129.6600/+29.6233+129.6400/+29.6400+129.6220/+29.6402+129.6200/+29.6408+129.6000/+29.6429+129.5800/+29.6498+129.5600/+29.6600+129.5440/+29.6604+129.5400/+29.6629+129.5200/+29.6684+129.5000/+29.6800+129.4815/+29.6803+129.4800/+29.6835+129.4600/+29.6886+129.4400/+29.6945+129.4200/+29.7000+129.4025/+29.7004+129.4000/+29.7061+129.3800/+29.7107+129.3600/+29.7191+129.3400/+29.7200+129.3382/+29.7314+129.3200/+29.7395+129.3000/+29.7400+129.2991/+29.7524+129.2800/+29.7600+129.2667/+29.7654+129.2600/+29.7765+129.2400/+29.7800+129.2341/+29.7918+129.2200/+29.8000+129.2087/+29.8131+129.2200/+29.8200+129.2253/+29.8283+129.2400/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6594+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-12T18:00:00+09:00 2026-10-12T21:00:00+09:00 降灰 70 +29.8882+129.2800/+29.8807+129.3000/+29.8800+129.3012/+29.8737+129.3200/+29.8666+129.3400/+29.8605+129.3600/+29.8600+129.3611/+29.8488+129.3800/+29.8400+129.3921/+29.8372+129.4000/+29.8270+129.4200/+29.8200+129.4272/+29.8160+129.4400/+29.8102+129.4600/+29.8000+129.4698/+29.7910+129.4800/+29.7800+129.4932/+29.7780+129.5000/+29.7691+129.5200/+29.7600+129.5304/+29.7579+129.5400/+29.7493+129.5600/+29.7400+129.5697/+29.7383+129.5800/+29.7289+129.6000/+29.7200+129.6091/+29.7191+129.6200/+29.7112+129.6400/+29.7000+129.6513/+29.6997+129.6600/+29.6969+129.6800/+29.6800+129.6969/+29.6800+129.7000/+29.6795+129.7200/+29.6600+129.7395/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6224+129.6600/+29.6400+129.6423/+29.6403+129.6400/+29.6422+129.6200/+29.6600+129.6015/+29.6603+129.6000/+29.6622+129.5800/+29.6781+129.5600/+29.6800+129.5579/+29.6823+129.5400/+29.6907+129.5200/+29.7000+129.5091/+29.7025+129.5000/+29.7102+129.4800/+29.7200+129.4674/+29.7222+129.4600/+29.7294+129.4400/+29.7319+129.4200/+29.7400+129.4039/+29.7424+129.4000/+29.7600+129.3807/+29.7606+129.3800/+29.7689+129.3600/+29.7800+129.3412/+29.7809+129.3400/+29.7933+129.3200/+29.8000+129.3114/+29.8096+129.3000/+29.8200+129.2869/+29.8252+129.2800/+29.8363+129.2600/+29.8400+129.2548/+29.8600+129.2495/+29.8730+129.2600/+29.8800+129.2638/+29.8882+129.2800/ 北西 50 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+129.6806/+29.6597+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-12T21:00:00+09:00 2026-10-13T00:00:00+09:00 降灰 70 +29.9221+129.3200/+29.9200+129.3235/+29.9065+129.3400/+29.9021+129.3600/+29.9000+129.3641/+29.8900+129.3800/+29.8800+129.3919/+29.8768+129.4000/+29.8668+129.4200/+29.8600+129.4320/+29.8565+129.4400/+29.8450+129.4600/+29.8400+129.4670/+29.8206+129.4800/+29.8200+129.4803/+29.8125+129.5000/+29.8000+129.5135/+29.7960+129.5200/+29.7800+129.5380/+29.7792+129.5400/+29.7703+129.5600/+29.7600+129.5716/+29.7576+129.5800/+29.7400+129.5989/+29.7397+129.6000/+29.7346+129.6200/+29.7200+129.6348/+29.7192+129.6400/+29.7027+129.6600/+29.7000+129.6627/+29.6994+129.6800/+29.6800+129.6994/+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+129.6600/+29.6409+129.6400/+29.6600+129.6205/+29.6602+129.6200/+29.6627+129.6000/+29.6800+129.5818/+29.6806+129.5800/+29.6864+129.5600/+29.7000+129.5446/+29.7016+129.5400/+29.7117+129.5200/+29.7200+129.5104/+29.7237+129.5000/+29.7400+129.4809/+29.7407+129.4800/+29.7502+129.4600/+29.7600+129.4459/+29.7627+129.4400/+29.7685+129.4200/+29.7800+129.4031/+29.7831+129.4000/+29.8000+129.3829/+29.8027+129.3800/+29.8186+129.3600/+29.8200+129.3573/+29.8301+129.3400/+29.8400+129.3320/+29.8600+129.3229/+29.8637+129.3200/+29.8800+129.3017/+29.9000+129.3005/+29.9200+129.3135/+29.9221+129.3200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6600+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6811/+29.6600+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-13T00:00:00+09:00 2026-10-13T03:00:00+09:00 降灰 70 +29.9305+129.3200/+29.9265+129.3400/+29.9200+129.3532/+29.9170+129.3600/+29.9051+129.3800/+29.9000+129.3937/+29.8981+129.4000/+29.8818+129.4200/+29.8800+129.4212/+29.8698+129.4400/+29.8600+129.4549/+29.8566+129.4600/+29.8435+129.4800/+29.8400+129.4840/+29.8200+129.4962/+29.8172+129.5000/+29.8001+129.5200/+29.8000+129.5201/+29.7883+129.5400/+29.7800+129.5493/+29.7765+129.5600/+29.7600+129.5791/+29.7597+129.5800/+29.7517+129.6000/+29.7400+129.6121/+29.7378+129.6200/+29.7200+129.6387/+29.7197+129.6400/+29.7149+129.6600/+29.7000+129.6750/+29.6996+129.6800/+29.6800+129.6999/+29.6800+129.7000/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6602/+29.6401+129.6600/+29.6421+129.6400/+29.6600+129.6219/+29.6606+129.6200/+29.6664+129.6000/+29.6800+129.5860/+29.6818+129.5800/+29.6945+129.5600/+29.7000+129.5539/+29.7044+129.5400/+29.7200+129.5225/+29.7216+129.5200/+29.7286+129.5000/+29.7400+129.4873/+29.7453+129.4800/+29.7600+129.4607/+29.7605+129.4600/+29.7705+129.4400/+29.7800+129.4218/+29.7815+129.4200/+29.7991+129.4000/+29.8000+129.3991/+29.8200+129.3807/+29.8209+129.3800/+29.8387+129.3600/+29.8400+129.3584/+29.8600+129.3412/+29.8613+129.3400/+29.8800+129.3226/+29.8859+129.3200/+29.9000+129.3129/+29.9200+129.3081/+29.9305+129.3200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6606+129.7000/+29.6600+129.7006/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6808/+29.6600+129.6990/+29.6606+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-13T03:00:00+09:00 2026-10-13T06:00:00+09:00 降灰 70 +29.8836+129.3600/+29.8923+129.3800/+29.8958+129.4000/+29.8861+129.4200/+29.8800+129.4266/+29.8750+129.4400/+29.8663+129.4600/+29.8600+129.4708/+29.8557+129.4800/+29.8437+129.5000/+29.8400+129.5035/+29.8257+129.5200/+29.8200+129.5257/+29.8130+129.5400/+29.8000+129.5559/+29.7975+129.5600/+29.7834+129.5800/+29.7800+129.5831/+29.7707+129.6000/+29.7600+129.6112/+29.7555+129.6200/+29.7400+129.6360/+29.7385+129.6400/+29.7200+129.6587/+29.7195+129.6600/+29.7000+129.6800/+29.6974+129.7000/+29.6800+129.7174/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6404+129.6600/+29.6555+129.6400/+29.6600+129.6355/+29.6630+129.6200/+29.6800+129.6021/+29.6811+129.6000/+29.6903+129.5800/+29.7000+129.5693/+29.7040+129.5600/+29.7200+129.5412/+29.7208+129.5400/+29.7299+129.5200/+29.7400+129.5072/+29.7451+129.5000/+29.7588+129.4800/+29.7600+129.4784/+29.7695+129.4600/+29.7800+129.4440/+29.7839+129.4400/+29.8000+129.4203/+29.8003+129.4200/+29.8200+129.4012/+29.8216+129.4000/+29.8400+129.3827/+29.8486+129.3800/+29.8600+129.3732/+29.8775+129.3600/+29.8800+129.3577/+29.8836+129.3600/ 北西 40 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/+29.6212+129.7000/+29.6400+129.6812/+29.6599+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-13T06:00:00+09:00 2026-10-13T09:00:00+09:00 降灰 70 +29.9653+129.4400/+29.9600+129.4517/+29.9563+129.4600/+29.9529+129.4800/+29.9400+129.4947/+29.9368+129.5000/+29.9201+129.5200/+29.9200+129.5201/+29.9053+129.5400/+29.9000+129.5440/+29.8800+129.5553/+29.8725+129.5600/+29.8600+129.5683/+29.8400+129.5799/+29.8399+129.5800/+29.8200+129.5979/+29.8178+129.6000/+29.8000+129.6154/+29.7929+129.6200/+29.7800+129.6320/+29.7655+129.6400/+29.7600+129.6451/+29.7400+129.6596/+29.7397+129.6600/+29.7200+129.6790/+29.7192+129.6800/+29.7000+129.6991/+29.6996+129.7000/+29.6800+129.7195/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6217+129.6800/+29.6400+129.6617/+29.6433+129.6600/+29.6600+129.6433/+29.6643+129.6400/+29.6800+129.6242/+29.6846+129.6200/+29.7000+129.6044/+29.7056+129.6000/+29.7200+129.5849/+29.7271+129.5800/+29.7400+129.5674/+29.7481+129.5600/+29.7600+129.5478/+29.7707+129.5400/+29.7800+129.5300/+29.7936+129.5200/+29.8000+129.5138/+29.8156+129.5000/+29.8200+129.4958/+29.8379+129.4800/+29.8400+129.4774/+29.8600+129.4637/+29.8656+129.4600/+29.8800+129.4501/+29.9000+129.4432/+29.9078+129.4400/+29.9200+129.4322/+29.9400+129.4336/+29.9600+129.4356/+29.9653+129.4400/ 北西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6640+129.7000/+29.6600+129.7114/+29.6598+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6600+129.6957/+29.6640+129.7000/ 北西 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、１２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。 　１２日１５時から１３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 　１２日１５時から１８時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１２日１８時から２１時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１２日２１時から２４時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１３日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１３日０３時から０６時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　１３日０６時から０９時まで　北西　　　　　　４０ｋｍ　　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。