2026-09-18T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T05:00:00+09:00 2026-09-19T06:00:00+09:00 2026-09-20T00:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、１９日０９時から１２時までは火口から西方向、１９日２１時から２４時までは火口から南西方向に降灰が予想されます。 降灰予報（定時） 06 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-09-19T06:00:00+09:00 2026-09-19T09:00:00+09:00 降灰 70 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西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7852+130.2800/+30.8000+130.2627/+30.8138+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-19T09:00:00+09:00 2026-09-19T12:00:00+09:00 降灰 70 +30.8412+129.7400/+30.8423+129.7600/+30.8427+129.7800/+30.8451+129.8000/+30.8426+129.8200/+30.8400+129.8390/+30.8399+129.8400/+30.8387+129.8600/+30.8377+129.8800/+30.8364+129.9000/+30.8367+129.9200/+30.8363+129.9400/+30.8356+129.9600/+30.8346+129.9800/+30.8278+130.0000/+30.8270+130.0200/+30.8231+130.0400/+30.8236+130.0600/+30.8200+130.0729/+30.8198+130.0800/+30.8197+130.1000/+30.8195+130.1200/+30.8192+130.1400/+30.8195+130.1600/+30.8196+130.1800/+30.8198+130.2000/+30.8200+130.2139/+30.8297+130.2200/+30.8392+130.2400/+30.8352+130.2600/+30.8270+130.2800/+30.8200+130.2876/+30.8199+130.3000/+30.8119+130.3200/+30.8000+130.3319/+30.7800+130.3246/+30.7754+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2462/+30.7540+130.2400/+30.7438+130.2200/+30.7422+130.2000/+30.7419+130.1800/+30.7419+130.1600/+30.7418+130.1400/+30.7418+130.1200/+30.7418+130.1000/+30.7418+130.0800/+30.7417+130.0600/+30.7421+130.0400/+30.7424+130.0200/+30.7432+130.0000/+30.7400+129.9889/+30.7329+129.9800/+30.7345+129.9600/+30.7365+129.9400/+30.7393+129.9200/+30.7400+129.9161/+30.7419+129.9000/+30.7400+129.8861/+30.7388+129.8800/+30.7400+129.8704/+30.7415+129.8600/+30.7450+129.8400/+30.7504+129.8200/+30.7589+129.8000/+30.7600+129.7961/+30.7641+129.7800/+30.7692+129.7600/+30.7745+129.7400/+30.7800+129.7218/+30.7806+129.7200/+30.7886+129.7000/+30.7948+129.6800/+30.8000+129.6657/+30.8200+129.6782/+30.8218+129.6800/+30.8340+129.7000/+30.8391+129.7200/+30.8400+129.7264/+30.8412+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8147+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3144/+30.7656+130.3000/+30.7659+130.2800/+30.7800+130.2613/+30.8000+130.2617/+30.8147+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-19T12:00:00+09:00 2026-09-19T15:00:00+09:00 降灰 70 +30.8149+130.2400/+30.8196+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3199/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2799/+30.7407+130.2600/+30.7402+130.2400/+30.7401+130.2200/+30.7400+130.2176/+30.7236+130.2000/+30.7212+130.1800/+30.7206+130.1600/+30.7200+130.1484/+30.7128+130.1400/+30.7051+130.1200/+30.7026+130.1000/+30.7012+130.0800/+30.7000+130.0674/+30.6952+130.0600/+30.6877+130.0400/+30.6800+130.0231/+30.6770+130.0200/+30.6729+130.0000/+30.6704+129.9800/+30.6691+129.9600/+30.6681+129.9400/+30.6673+129.9200/+30.6600+129.9012/+30.6592+129.9000/+30.6585+129.8800/+30.6578+129.8600/+30.6572+129.8400/+30.6582+129.8200/+30.6600+129.8081/+30.6612+129.8000/+30.6618+129.7800/+30.6621+129.7600/+30.6633+129.7400/+30.6654+129.7200/+30.6682+129.7000/+30.6719+129.6800/+30.6772+129.6600/+30.6800+129.6517/+30.6846+129.6400/+30.6942+129.6200/+30.7000+129.6103/+30.7037+129.6200/+30.7103+129.6400/+30.7167+129.6600/+30.7200+129.6699/+30.7231+129.6800/+30.7287+129.7000/+30.7332+129.7200/+30.7372+129.7400/+30.7400+129.7516/+30.7423+129.7600/+30.7485+129.7800/+30.7510+129.8000/+30.7533+129.8200/+30.7552+129.8400/+30.7580+129.8600/+30.7600+129.8752/+30.7615+129.8800/+30.7657+129.9000/+30.7680+129.9200/+30.7704+129.9400/+30.7730+129.9600/+30.7753+129.9800/+30.7741+130.0000/+30.7757+130.0200/+30.7772+130.0400/+30.7784+130.0600/+30.7794+130.0800/+30.7800+130.0893/+30.7850+130.1000/+30.7904+130.1200/+30.7948+130.1400/+30.7979+130.1600/+30.7992+130.1800/+30.7997+130.2000/+30.7999+130.2200/+30.8000+130.2228/+30.8149+130.2400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8150+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7620+130.3000/+30.7658+130.2800/+30.7800+130.2613/+30.8000+130.2648/+30.8150+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-19T15:00:00+09:00 2026-09-19T18:00:00+09:00 降灰 70 +30.8094+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2990/+30.7410+130.2800/+30.7401+130.2600/+30.7400+130.2525/+30.7276+130.2400/+30.7206+130.2200/+30.7201+130.2000/+30.7200+130.1994/+30.7023+130.1800/+30.7005+130.1600/+30.7000+130.1563/+30.6852+130.1400/+30.6814+130.1200/+30.6800+130.1091/+30.6714+130.1000/+30.6629+130.0800/+30.6602+130.0600/+30.6600+130.0593/+30.6400+130.0468/+30.6331+130.0400/+30.6265+130.0200/+30.6221+130.0000/+30.6200+129.9906/+30.6152+129.9800/+30.6078+129.9600/+30.6022+129.9400/+30.6000+129.9279/+30.5941+129.9200/+30.5836+129.9000/+30.5800+129.8892/+30.5776+129.8800/+30.5730+129.8600/+30.5656+129.8400/+30.5624+129.8200/+30.5600+129.8085/+30.5572+129.8000/+30.5537+129.7800/+30.5491+129.7600/+30.5441+129.7400/+30.5400+129.7263/+30.5388+129.7200/+30.5351+129.7000/+30.5360+129.6800/+30.5374+129.6600/+30.5400+129.6499/+30.5600+129.6498/+30.5647+129.6600/+30.5728+129.6800/+30.5800+129.6944/+30.5832+129.7000/+30.6000+129.7104/+30.6074+129.7200/+30.6183+129.7400/+30.6200+129.7440/+30.6260+129.7600/+30.6327+129.7800/+30.6387+129.8000/+30.6400+129.8018/+30.6529+129.8200/+30.6600+129.8359/+30.6613+129.8400/+30.6683+129.8600/+30.6725+129.8800/+30.6793+129.9000/+30.6800+129.9021/+30.6877+129.9200/+30.6965+129.9400/+30.7000+129.9501/+30.7052+129.9600/+30.7117+129.9800/+30.7170+130.0000/+30.7172+130.0200/+30.7200+130.0370/+30.7223+130.0400/+30.7339+130.0600/+30.7380+130.0800/+30.7400+130.0950/+30.7444+130.1000/+30.7569+130.1200/+30.7593+130.1400/+30.7600+130.1459/+30.7730+130.1600/+30.7791+130.1800/+30.7798+130.2000/+30.7800+130.2010/+30.7986+130.2200/+30.7998+130.2400/+30.8000+130.2506/+30.8094+130.2600/ 南西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3184/+30.7616+130.3000/+30.7669+130.2800/+30.7800+130.2636/+30.7931+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-19T18:00:00+09:00 2026-09-19T21:00:00+09:00 降灰 70 +30.8196+130.2800/+30.8199+130.3000/+30.8133+130.3200/+30.8000+130.3332/+30.7800+130.3323/+30.7677+130.3200/+30.7600+130.3166/+30.7434+130.3000/+30.7401+130.2800/+30.7400+130.2796/+30.7206+130.2600/+30.7200+130.2567/+30.7034+130.2400/+30.7000+130.2262/+30.6938+130.2200/+30.6808+130.2000/+30.6800+130.1975/+30.6640+130.1800/+30.6600+130.1694/+30.6508+130.1600/+30.6408+130.1400/+30.6400+130.1378/+30.6252+130.1200/+30.6200+130.1084/+30.6121+130.1000/+30.6000+130.0867/+30.5903+130.0800/+30.5800+130.0640/+30.5774+130.0600/+30.5674+130.0400/+30.5600+130.0245/+30.5568+130.0200/+30.5400+130.0002/+30.5398+130.0000/+30.5308+129.9800/+30.5229+129.9600/+30.5200+129.9538/+30.5089+129.9400/+30.5000+129.9234/+30.4977+129.9200/+30.4875+129.9000/+30.4820+129.8800/+30.4800+129.8733/+30.4756+129.8600/+30.4718+129.8400/+30.4714+129.8200/+30.4670+129.8000/+30.4800+129.7980/+30.5000+129.7967/+30.5026+129.8000/+30.5141+129.8200/+30.5200+129.8292/+30.5273+129.8400/+30.5400+129.8528/+30.5463+129.8600/+30.5600+129.8707/+30.5673+129.8800/+30.5800+129.8958/+30.5826+129.9000/+30.5925+129.9200/+30.6000+129.9275/+30.6110+129.9400/+30.6200+129.9539/+30.6246+129.9600/+30.6370+129.9800/+30.6400+129.9828/+30.6528+130.0000/+30.6600+130.0151/+30.6652+130.0200/+30.6718+130.0400/+30.6788+130.0600/+30.6800+130.0623/+30.6943+130.0800/+30.7000+130.0917/+30.7072+130.1000/+30.7181+130.1200/+30.7200+130.1240/+30.7341+130.1400/+30.7398+130.1600/+30.7400+130.1604/+30.7575+130.1800/+30.7600+130.1913/+30.7686+130.2000/+30.7792+130.2200/+30.7800+130.2229/+30.7971+130.2400/+30.7999+130.2600/+30.8000+130.2604/+30.8196+130.2800/ 南西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3187/+30.7613+130.3000/+30.7671+130.2800/+30.7800+130.2670/+30.7907+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-19T21:00:00+09:00 2026-09-20T00:00:00+09:00 降灰 70 +30.8194+130.2800/+30.8199+130.3000/+30.8153+130.3200/+30.8000+130.3353/+30.7800+130.3350/+30.7650+130.3200/+30.7600+130.3195/+30.7405+130.3000/+30.7400+130.2982/+30.7218+130.2800/+30.7200+130.2761/+30.7037+130.2600/+30.7000+130.2526/+30.6877+130.2400/+30.6800+130.2300/+30.6698+130.2200/+30.6600+130.2034/+30.6567+130.2000/+30.6403+130.1800/+30.6400+130.1795/+30.6209+130.1600/+30.6200+130.1586/+30.6031+130.1400/+30.6000+130.1356/+30.5840+130.1200/+30.5800+130.1165/+30.5600+130.1053/+30.5563+130.1000/+30.5405+130.0800/+30.5400+130.0789/+30.5205+130.0600/+30.5200+130.0594/+30.5000+130.0420/+30.4988+130.0400/+30.4812+130.0200/+30.4800+130.0187/+30.4608+130.0000/+30.4600+129.9986/+30.4466+129.9800/+30.4400+129.9697/+30.4320+129.9600/+30.4246+129.9400/+30.4204+129.9200/+30.4200+129.9192/+30.4000+129.9077/+30.3919+129.9000/+30.4000+129.8899/+30.4200+129.8942/+30.4400+129.8970/+30.4461+129.9000/+30.4600+129.9078/+30.4800+129.9196/+30.4805+129.9200/+30.5000+129.9305/+30.5101+129.9400/+30.5200+129.9499/+30.5291+129.9600/+30.5400+129.9674/+30.5558+129.9800/+30.5600+129.9837/+30.5740+130.0000/+30.5800+130.0047/+30.5931+130.0200/+30.6000+130.0312/+30.6083+130.0400/+30.6200+130.0461/+30.6309+130.0600/+30.6385+130.0800/+30.6400+130.0818/+30.6560+130.1000/+30.6600+130.1048/+30.6745+130.1200/+30.6800+130.1270/+30.6924+130.1400/+30.7000+130.1515/+30.7085+130.1600/+30.7199+130.1800/+30.7200+130.1800/+30.7394+130.2000/+30.7400+130.2006/+30.7591+130.2200/+30.7600+130.2208/+30.7791+130.2400/+30.7800+130.2408/+30.7992+130.2600/+30.8000+130.2606/+30.8194+130.2800/ 南西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3186/+30.7614+130.3000/+30.7703+130.2800/+30.7800+130.2727/+30.7873+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、１９日０９時から１２時までは火口から西方向、１９日２１時から２４時までは火口から南西方向に降灰が予想されます。 　１９日６時から１９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 　１９日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１９日１５時から１８時まで　南西　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１９日１８時から２１時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日２１時から２４時まで　南西　　　　　　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：三島村 　 　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。