2026-10-26T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-26T14:00:00+09:00 2026-10-26T15:00:00+09:00 2026-10-27T09:00:00+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、２６日２１時から２４時までは火口から南東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 2026-10-26T15:00:00+09:00 2026-10-26T18:00:00+09:00 降灰 70 +29.6575+129.7000/+29.6599+129.7200/+29.6599+129.7400/+29.6597+129.7600/+29.6556+129.7800/+29.6400+129.7956/+29.6397+129.8000/+29.6388+129.8200/+29.6323+129.8400/+29.6200+129.8531/+29.6192+129.8600/+29.6177+129.8800/+29.6120+129.9000/+29.6000+129.9146/+29.5991+129.9200/+29.5968+129.9400/+29.5918+129.9600/+29.5800+129.9774/+29.5794+129.9800/+29.5773+130.0000/+29.5765+130.0200/+29.5725+130.0400/+29.5677+130.0600/+29.5600+130.0783/+29.5593+130.0800/+29.5532+130.1000/+29.5496+130.1200/+29.5458+130.1400/+29.5402+130.1600/+29.5400+130.1609/+29.5335+130.1800/+29.5213+130.2000/+29.5210+130.2200/+29.5200+130.2235/+29.5146+130.2400/+29.5077+130.2600/+29.5007+130.2800/+29.5000+130.2818/+29.4868+130.3000/+29.4800+130.3147/+29.4780+130.3200/+29.4720+130.3400/+29.4667+130.3600/+29.4602+130.3800/+29.4600+130.3807/+29.4400+130.3874/+29.4373+130.3800/+29.4318+130.3600/+29.4296+130.3400/+29.4294+130.3200/+29.4292+130.3000/+29.4288+130.2800/+29.4285+130.2600/+29.4289+130.2400/+29.4300+130.2200/+29.4312+130.2000/+29.4345+130.1800/+29.4400+130.1674/+29.4420+130.1600/+29.4449+130.1400/+29.4473+130.1200/+29.4497+130.1000/+29.4519+130.0800/+29.4600+130.0620/+29.4607+130.0600/+29.4638+130.0400/+29.4674+130.0200/+29.4710+130.0000/+29.4755+129.9800/+29.4800+129.9746/+29.4860+129.9600/+29.4928+129.9400/+29.5000+129.9301/+29.5029+129.9200/+29.5083+129.9000/+29.5200+129.8841/+29.5210+129.8800/+29.5243+129.8600/+29.5400+129.8403/+29.5401+129.8400/+29.5427+129.8200/+29.5600+129.8006/+29.5601+129.8000/+29.5621+129.7800/+29.5800+129.7615/+29.5802+129.7600/+29.5825+129.7400/+29.6000+129.7225/+29.6002+129.7200/+29.6200+129.7001/+29.6215+129.7000/+29.6400+129.6825/+29.6575+129.7000/ 東 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6517+129.7400/+29.6400+129.7556/+29.6200+129.7536/+29.6114+129.7400/+29.6095+129.7200/+29.6200+129.7095/+29.6400+129.7012/+29.6588+129.7200/ 南東 4 鹿児島県十島村 4630400 2026-10-26T18:00:00+09:00 2026-10-26T21:00:00+09:00 降灰 70 +29.6587+129.7000/+29.6599+129.7200/+29.6597+129.7400/+29.6400+129.7597/+29.6396+129.7600/+29.6200+129.7797/+29.6196+129.7800/+29.6054+129.8000/+29.6000+129.8054/+29.5931+129.8200/+29.5800+129.8333/+29.5757+129.8400/+29.5600+129.8566/+29.5580+129.8600/+29.5400+129.8792/+29.5393+129.8800/+29.5312+129.9000/+29.5200+129.9122/+29.5136+129.9200/+29.5000+129.9348/+29.4962+129.9400/+29.4817+129.9600/+29.4800+129.9662/+29.4772+129.9800/+29.4610+130.0000/+29.4600+130.0009/+29.4472+130.0200/+29.4400+130.0308/+29.4322+130.0400/+29.4211+130.0600/+29.4200+130.0615/+29.4021+130.0800/+29.4000+130.0827/+29.3869+130.1000/+29.3800+130.1100/+29.3719+130.1200/+29.3600+130.1392/+29.3591+130.1400/+29.3400+130.1596/+29.3395+130.1600/+29.3205+130.1800/+29.3200+130.1808/+29.3095+130.2000/+29.3000+130.2158/+29.2800+130.2159/+29.2600+130.2163/+29.2535+130.2000/+29.2600+130.1852/+29.2626+130.1800/+29.2677+130.1600/+29.2708+130.1400/+29.2733+130.1200/+29.2748+130.1000/+29.2800+130.0880/+29.2837+130.0800/+29.2939+130.0600/+29.3000+130.0422/+29.3004+130.0400/+29.3124+130.0200/+29.3200+130.0120/+29.3252+130.0000/+29.3339+129.9800/+29.3400+129.9710/+29.3496+129.9600/+29.3600+129.9507/+29.3667+129.9400/+29.3800+129.9223/+29.3815+129.9200/+29.4000+129.9013/+29.4007+129.9000/+29.4200+129.8845/+29.4238+129.8800/+29.4400+129.8629/+29.4420+129.8600/+29.4600+129.8416/+29.4612+129.8400/+29.4800+129.8217/+29.4813+129.8200/+29.5000+129.8014/+29.5013+129.8000/+29.5200+129.7815/+29.5213+129.7800/+29.5400+129.7614/+29.5412+129.7600/+29.5600+129.7413/+29.5612+129.7400/+29.5800+129.7212/+29.5815+129.7200/+29.6000+129.7015/+29.6069+129.7000/+29.6200+129.6869/+29.6400+129.6813/+29.6587+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/+29.6509+129.7400/+29.6400+129.7509/+29.6200+129.7521/+29.6062+129.7400/+29.6048+129.7200/+29.6200+129.7048/+29.6400+129.7012/+29.6588+129.7200/ 南東 4 鹿児島県十島村 4630400 2026-10-26T21:00:00+09:00 2026-10-27T00:00:00+09:00 降灰 70 +29.6592+129.7000/+29.6599+129.7200/+29.6580+129.7400/+29.6400+129.7580/+29.6200+129.7599/+29.6195+129.7600/+29.6000+129.7794/+29.5961+129.7800/+29.5800+129.7961/+29.5600+129.8000/+29.5599+129.8000/+29.5400+129.8191/+29.5373+129.8200/+29.5200+129.8370/+29.5127+129.8400/+29.5000+129.8525/+29.4881+129.8600/+29.4800+129.8681/+29.4600+129.8794/+29.4591+129.8800/+29.4400+129.8984/+29.4379+129.9000/+29.4254+129.9200/+29.4200+129.9272/+29.4061+129.9400/+29.4000+129.9442/+29.3812+129.9600/+29.3800+129.9612/+29.3628+129.9800/+29.3600+129.9828/+29.3400+129.9960/+29.3330+130.0000/+29.3200+130.0132/+29.3133+130.0200/+29.3000+130.0304/+29.2863+130.0400/+29.2800+130.0478/+29.2668+130.0600/+29.2600+130.0666/+29.2400+130.0788/+29.2379+130.0800/+29.2200+130.0933/+29.2136+130.1000/+29.2000+130.1136/+29.1843+130.1200/+29.1800+130.1222/+29.1600+130.1366/+29.1521+130.1400/+29.1400+130.1468/+29.1200+130.1453/+29.1109+130.1400/+29.1200+130.1283/+29.1214+130.1200/+29.1227+130.1000/+29.1373+130.0800/+29.1400+130.0765/+29.1529+130.0600/+29.1600+130.0502/+29.1656+130.0400/+29.1800+130.0219/+29.1817+130.0200/+29.2000+130.0000/+29.2128+129.9800/+29.2200+129.9706/+29.2295+129.9600/+29.2400+129.9527/+29.2508+129.9400/+29.2600+129.9308/+29.2786+129.9200/+29.2800+129.9186/+29.2923+129.9000/+29.3000+129.8939/+29.3200+129.8830/+29.3237+129.8800/+29.3400+129.8701/+29.3511+129.8600/+29.3600+129.8477/+29.3668+129.8400/+29.3800+129.8287/+29.4000+129.8271/+29.4138+129.8200/+29.4200+129.8142/+29.4400+129.8017/+29.4427+129.8000/+29.4600+129.7838/+29.4723+129.7800/+29.4800+129.7726/+29.5000+129.7610/+29.5027+129.7600/+29.5200+129.7433/+29.5400+129.7401/+29.5403+129.7400/+29.5600+129.7207/+29.5665+129.7200/+29.5800+129.7065/+29.6000+129.7002/+29.6021+129.7000/+29.6200+129.6821/+29.6400+129.6808/+29.6592+129.7000/ +29.1036+130.1600/+29.1000+130.1620/+29.0988+130.1600/+29.1000+130.1532/+29.1036+130.1600/ 南東 70 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/+29.6247+129.7400/+29.6200+129.7447/+29.6089+129.7400/+29.6016+129.7200/+29.6200+129.7044/+29.6400+129.7012/+29.6588+129.7200/ 南東 4 鹿児島県十島村 4630400 2026-10-27T00:00:00+09:00 2026-10-27T03:00:00+09:00 降灰 70 +29.6593+129.7000/+29.6599+129.7200/+29.6528+129.7400/+29.6400+129.7528/+29.6200+129.7599/+29.6120+129.7600/+29.6000+129.7720/+29.5800+129.7797/+29.5711+129.7800/+29.5600+129.7911/+29.5400+129.7993/+29.5304+129.8000/+29.5200+129.8102/+29.5000+129.8189/+29.4929+129.8200/+29.4800+129.8324/+29.4600+129.8389/+29.4548+129.8400/+29.4400+129.8533/+29.4200+129.8587/+29.4173+129.8600/+29.4080+129.8800/+29.4000+129.8882/+29.3800+129.8962/+29.3695+129.9000/+29.3600+129.9069/+29.3400+129.9146/+29.3270+129.9200/+29.3200+129.9320/+29.3121+129.9400/+29.3000+129.9467/+29.2800+129.9522/+29.2600+129.9590/+29.2584+129.9600/+29.2411+129.9800/+29.2400+129.9807/+29.2200+129.9858/+29.2000+129.9904/+29.1816+130.0000/+29.1800+130.0022/+29.1600+130.0198/+29.1595+130.0200/+29.1400+130.0277/+29.1200+130.0349/+29.1099+130.0400/+29.1000+130.0467/+29.0800+130.0567/+29.0760+130.0600/+29.0600+130.0680/+29.0400+130.0712/+29.0200+130.0650/+29.0139+130.0600/+29.0200+130.0472/+29.0222+130.0400/+29.0400+130.0267/+29.0496+130.0200/+29.0600+130.0068/+29.0625+130.0000/+29.0800+129.9823/+29.0831+129.9800/+29.1000+129.9701/+29.1135+129.9600/+29.1200+129.9522/+29.1299+129.9400/+29.1400+129.9322/+29.1600+129.9206/+29.1610+129.9200/+29.1800+129.9093/+29.1984+129.9000/+29.2000+129.8986/+29.2200+129.8860/+29.2394+129.8800/+29.2400+129.8795/+29.2521+129.8600/+29.2600+129.8547/+29.2800+129.8483/+29.2978+129.8400/+29.3000+129.8381/+29.3200+129.8257/+29.3371+129.8200/+29.3400+129.8182/+29.3600+129.8054/+29.3800+129.8007/+29.4000+129.8006/+29.4018+129.8000/+29.4200+129.7843/+29.4400+129.7804/+29.4415+129.7800/+29.4600+129.7632/+29.4800+129.7604/+29.4814+129.7600/+29.5000+129.7422/+29.5200+129.7403/+29.5213+129.7400/+29.5400+129.7216/+29.5600+129.7202/+29.5610+129.7200/+29.5800+129.7010/+29.6000+129.7001/+29.6013+129.7000/+29.6200+129.6813/+29.6400+129.6807/+29.6593+129.7000/ 南東 80 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+129.7399/+29.6011+129.7200/+29.6200+129.7041/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-27T03:00:00+09:00 2026-10-27T06:00:00+09:00 降灰 70 +29.6592+129.7000/+29.6599+129.7200/+29.6573+129.7400/+29.6400+129.7573/+29.6200+129.7599/+29.6189+129.7600/+29.6000+129.7789/+29.5800+129.7799/+29.5793+129.7800/+29.5600+129.7991/+29.5475+129.8000/+29.5400+129.8075/+29.5200+129.8193/+29.5159+129.8200/+29.5000+129.8357/+29.4800+129.8396/+29.4785+129.8400/+29.4600+129.8576/+29.4483+129.8600/+29.4400+129.8683/+29.4200+129.8787/+29.4179+129.8800/+29.4105+129.9000/+29.4000+129.9068/+29.3800+129.9163/+29.3679+129.9200/+29.3600+129.9300/+29.3541+129.9400/+29.3400+129.9520/+29.3200+129.9562/+29.3106+129.9600/+29.3000+129.9756/+29.2942+129.9800/+29.2800+129.9864/+29.2600+129.9964/+29.2507+130.0000/+29.2400+130.0113/+29.2304+130.0200/+29.2200+130.0265/+29.2000+130.0343/+29.1831+130.0400/+29.1800+130.0420/+29.1600+130.0564/+29.1543+130.0600/+29.1400+130.0680/+29.1200+130.0759/+29.1093+130.0800/+29.1000+130.0834/+29.0800+130.0891/+29.0671+130.1000/+29.0600+130.1053/+29.0400+130.1120/+29.0200+130.1130/+29.0000+130.1158/+28.9913+130.1000/+29.0000+130.0934/+29.0200+130.0843/+29.0248+130.0800/+29.0356+130.0600/+29.0400+130.0537/+29.0504+130.0400/+29.0600+130.0337/+29.0800+130.0221/+29.0838+130.0200/+29.1000+130.0111/+29.1088+130.0000/+29.1200+129.9862/+29.1274+129.9800/+29.1400+129.9725/+29.1600+129.9617/+29.1623+129.9600/+29.1800+129.9414/+29.1814+129.9400/+29.2000+129.9272/+29.2084+129.9200/+29.2200+129.9125/+29.2400+129.9039/+29.2430+129.9000/+29.2600+129.8891/+29.2800+129.8841/+29.2860+129.8800/+29.2976+129.8600/+29.3000+129.8581/+29.3042+129.8600/+29.3200+129.8622/+29.3278+129.8600/+29.3400+129.8486/+29.3453+129.8400/+29.3600+129.8280/+29.3759+129.8200/+29.3800+129.8163/+29.3845+129.8200/+29.4000+129.8217/+29.4052+129.8200/+29.4200+129.8061/+29.4400+129.8005/+29.4413+129.8000/+29.4600+129.7824/+29.4743+129.7800/+29.4800+129.7744/+29.5000+129.7608/+29.5031+129.7600/+29.5200+129.7433/+29.5400+129.7402/+29.5405+129.7400/+29.5600+129.7207/+29.5708+129.7200/+29.5800+129.7108/+29.6000+129.7001/+29.6021+129.7000/+29.6200+129.6821/+29.6400+129.6808/+29.6592+129.7000/ 南東 80 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+129.7394/+29.6012+129.7200/+29.6200+129.7045/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-27T06:00:00+09:00 2026-10-27T09:00:00+09:00 降灰 70 +29.6594+129.7000/+29.6599+129.7200/+29.6561+129.7400/+29.6400+129.7561/+29.6200+129.7599/+29.6168+129.7600/+29.6000+129.7768/+29.5800+129.7798/+29.5770+129.7800/+29.5600+129.7970/+29.5400+129.7997/+29.5377+129.8000/+29.5200+129.8173/+29.5000+129.8197/+29.4989+129.8200/+29.4800+129.8377/+29.4659+129.8400/+29.4600+129.8458/+29.4400+129.8581/+29.4321+129.8600/+29.4200+129.8714/+29.4141+129.8800/+29.4000+129.8947/+29.3859+129.9000/+29.3800+129.9053/+29.3600+129.9147/+29.3400+129.9187/+29.3371+129.9200/+29.3337+129.9400/+29.3200+129.9460/+29.3000+129.9529/+29.2800+129.9574/+29.2734+129.9600/+29.2600+129.9753/+29.2533+129.9800/+29.2400+129.9872/+29.2200+129.9949/+29.2102+130.0000/+29.2000+130.0088/+29.1811+130.0200/+29.1800+130.0205/+29.1600+130.0290/+29.1400+130.0349/+29.1279+130.0400/+29.1200+130.0456/+29.1035+130.0600/+29.1000+130.0622/+29.0800+130.0653/+29.0600+130.0695/+29.0400+130.0692/+29.0287+130.0600/+29.0365+130.0400/+29.0400+130.0373/+29.0600+130.0244/+29.0645+130.0200/+29.0746+130.0000/+29.0800+129.9941/+29.0999+129.9800/+29.1000+129.9800/+29.1200+129.9677/+29.1304+129.9600/+29.1400+129.9513/+29.1505+129.9400/+29.1600+129.9327/+29.1800+129.9204/+29.1808+129.9200/+29.2000+129.9133/+29.2175+129.9000/+29.2200+129.8981/+29.2400+129.8901/+29.2567+129.8800/+29.2600+129.8747/+29.2781+129.8600/+29.2800+129.8591/+29.3000+129.8475/+29.3200+129.8406/+29.3210+129.8400/+29.3400+129.8292/+29.3570+129.8200/+29.3600+129.8174/+29.3800+129.8051/+29.4000+129.8055/+29.4200+129.8005/+29.4213+129.8000/+29.4400+129.7833/+29.4581+129.7800/+29.4600+129.7781/+29.4800+129.7617/+29.4914+129.7600/+29.5000+129.7516/+29.5200+129.7408/+29.5254+129.7400/+29.5400+129.7255/+29.5600+129.7203/+29.5622+129.7200/+29.5800+129.7022/+29.6000+129.7001/+29.6014+129.7000/+29.6200+129.6814/+29.6400+129.6806/+29.6594+129.7000/ +29.0055+130.1000/+29.0000+130.1031/+28.9888+130.1000/+29.0000+130.0931/+29.0055+130.1000/ 南東 80 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+129.7386/+29.6022+129.7200/+29.6200+129.7051/+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、２６日２１時から２４時までは火口から南東方向に降灰が予想されます。 　２６日１５時から２７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 　２６日１５時から１８時まで　東　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２６日１８時から２１時まで　南東　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　２６日２１時から２４時まで　南東　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２７日００時から０３時まで　南東　　　　　　８０ｋｍ　　２ｋｍ　　　　　 　２７日０３時から０６時まで　南東　　　　　　８０ｋｍ　　２ｋｍ　　　　　 　２７日０６時から０９時まで　南東　　　　　　８０ｋｍ　　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。