2026-09-18T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T08:00:00+09:00 2026-09-19T09:00:00+09:00 2026-09-20T03:00:00+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 2026-09-19T09:00:00+09:00 2026-09-19T12:00:00+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/+30.7800+130.3118/+30.7682+130.3000/+30.7704+130.2800/+30.7800+130.2649/+30.8000+130.2623/+30.8138+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 +30.8162+130.2200/+30.8193+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8002+130.3200/+30.8000+130.3202/+30.7994+130.3200/+30.7800+130.3199/+30.7601+130.3000/+30.7600+130.2825/+30.7575+130.2800/+30.7406+130.2600/+30.7402+130.2400/+30.7401+130.2200/+30.7400+130.2191/+30.7229+130.2000/+30.7212+130.1800/+30.7206+130.1600/+30.7200+130.1529/+30.7091+130.1400/+30.7037+130.1200/+30.7021+130.1000/+30.7003+130.0800/+30.7000+130.0767/+30.6915+130.0600/+30.6882+130.0400/+30.6800+130.0212/+30.6788+130.0200/+30.6744+130.0000/+30.6714+129.9800/+30.6697+129.9600/+30.6687+129.9400/+30.6684+129.9200/+30.6601+129.9000/+30.6600+129.8983/+30.6591+129.8800/+30.6600+129.8699/+30.6611+129.8600/+30.6638+129.8400/+30.6634+129.8200/+30.6649+129.8000/+30.6685+129.7800/+30.6714+129.7600/+30.6745+129.7400/+30.6776+129.7200/+30.6800+129.7071/+30.6815+129.7000/+30.6862+129.6800/+30.6930+129.6600/+30.7000+129.6454/+30.7051+129.6600/+30.7116+129.6800/+30.7172+129.7000/+30.7200+129.7099/+30.7228+129.7200/+30.7281+129.7400/+30.7344+129.7600/+30.7400+129.7762/+30.7414+129.7800/+30.7475+129.8000/+30.7506+129.8200/+30.7535+129.8400/+30.7573+129.8600/+30.7600+129.8792/+30.7602+129.8800/+30.7662+129.9000/+30.7693+129.9200/+30.7728+129.9400/+30.7748+129.9600/+30.7760+129.9800/+30.7746+130.0000/+30.7774+130.0200/+30.7789+130.0400/+30.7800+130.0558/+30.7814+130.0600/+30.7892+130.0800/+30.7936+130.1000/+30.7960+130.1200/+30.7975+130.1400/+30.7989+130.1600/+30.7995+130.1800/+30.8000+130.2000/+30.8000+130.2015/+30.8162+130.2200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8134+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3178/+30.7622+130.3000/+30.7663+130.2800/+30.7800+130.2623/+30.8000+130.2628/+30.8134+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 +30.8105+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2993/+30.7407+130.2800/+30.7401+130.2600/+30.7400+130.2567/+30.7234+130.2400/+30.7205+130.2200/+30.7200+130.2105/+30.7097+130.2000/+30.7014+130.1800/+30.7000+130.1600/+30.7000+130.1598/+30.6835+130.1400/+30.6806+130.1200/+30.6800+130.1169/+30.6660+130.1000/+30.6617+130.0800/+30.6600+130.0704/+30.6518+130.0600/+30.6400+130.0484/+30.6312+130.0400/+30.6261+130.0200/+30.6220+130.0000/+30.6200+129.9906/+30.6160+129.9800/+30.6094+129.9600/+30.6028+129.9400/+30.6000+129.9276/+30.5949+129.9200/+30.5870+129.9000/+30.5816+129.8800/+30.5800+129.8722/+30.5776+129.8600/+30.5709+129.8400/+30.5682+129.8200/+30.5650+129.8000/+30.5633+129.7800/+30.5607+129.7600/+30.5600+129.7509/+30.5589+129.7400/+30.5592+129.7200/+30.5598+129.7000/+30.5600+129.6991/+30.5800+129.6946/+30.6000+129.6935/+30.6039+129.7000/+30.6157+129.7200/+30.6200+129.7291/+30.6245+129.7400/+30.6318+129.7600/+30.6399+129.7800/+30.6400+129.7804/+30.6496+129.8000/+30.6600+129.8170/+30.6610+129.8200/+30.6671+129.8400/+30.6747+129.8600/+30.6800+129.8786/+30.6809+129.8800/+30.6956+129.9000/+30.6969+129.9200/+30.7000+129.9274/+30.7063+129.9400/+30.7124+129.9600/+30.7156+129.9800/+30.7199+130.0000/+30.7200+130.0037/+30.7221+130.0200/+30.7337+130.0400/+30.7372+130.0600/+30.7398+130.0800/+30.7400+130.0808/+30.7531+130.1000/+30.7579+130.1200/+30.7598+130.1400/+30.7600+130.1413/+30.7753+130.1600/+30.7791+130.1800/+30.7800+130.2000/+30.7800+130.2002/+30.7986+130.2200/+30.7998+130.2400/+30.8000+130.2495/+30.8105+130.2600/ 南西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8119+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7619+130.3000/+30.7668+130.2800/+30.7800+130.2630/+30.8000+130.2681/+30.8119+130.2800/ 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/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3324/+30.7676+130.3200/+30.7600+130.3167/+30.7433+130.3000/+30.7400+130.2800/+30.7400+130.2797/+30.7206+130.2600/+30.7200+130.2569/+30.7033+130.2400/+30.7000+130.2270/+30.6931+130.2200/+30.6810+130.2000/+30.6800+130.1967/+30.6647+130.1800/+30.6600+130.1682/+30.6526+130.1600/+30.6413+130.1400/+30.6400+130.1367/+30.6262+130.1200/+30.6200+130.1065/+30.6143+130.1000/+30.6006+130.0800/+30.6000+130.0786/+30.5840+130.0600/+30.5800+130.0524/+30.5729+130.0400/+30.5633+130.0200/+30.5600+130.0116/+30.5505+130.0000/+30.5400+129.9822/+30.5389+129.9800/+30.5313+129.9600/+30.5216+129.9400/+30.5200+129.9373/+30.5063+129.9200/+30.5000+129.9022/+30.4987+129.9000/+30.4917+129.8800/+30.4852+129.8600/+30.4817+129.8400/+30.4807+129.8200/+30.4800+129.8122/+30.4781+129.8000/+30.4800+129.7969/+30.5000+129.7847/+30.5092+129.8000/+30.5200+129.8183/+30.5214+129.8200/+30.5400+129.8339/+30.5472+129.8400/+30.5600+129.8504/+30.5657+129.8600/+30.5780+129.8800/+30.5800+129.8827/+30.5934+129.9000/+30.6000+129.9086/+30.6100+129.9200/+30.6198+129.9400/+30.6200+129.9404/+30.6330+129.9600/+30.6400+129.9717/+30.6443+129.9800/+30.6560+130.0000/+30.6600+130.0074/+30.6731+130.0200/+30.6751+130.0400/+30.6800+130.0507/+30.6878+130.0600/+30.6978+130.0800/+30.7000+130.0859/+30.7113+130.1000/+30.7187+130.1200/+30.7200+130.1227/+30.7357+130.1400/+30.7398+130.1600/+30.7400+130.1605/+30.7579+130.1800/+30.7600+130.1904/+30.7695+130.2000/+30.7793+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/+30.7663+130.2800/+30.7800+130.2660/+30.7916+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 +30.8195+130.2800/+30.8199+130.3000/+30.8148+130.3200/+30.8000+130.3348/+30.7800+130.3345/+30.7655+130.3200/+30.7600+130.3194/+30.7406+130.3000/+30.7400+130.2984/+30.7216+130.2800/+30.7200+130.2770/+30.7029+130.2600/+30.7000+130.2552/+30.6846+130.2400/+30.6800+130.2334/+30.6661+130.2200/+30.6600+130.2113/+30.6493+130.2000/+30.6400+130.1859/+30.6339+130.1800/+30.6205+130.1600/+30.6200+130.1593/+30.6007+130.1400/+30.6000+130.1390/+30.5824+130.1200/+30.5800+130.1173/+30.5605+130.1000/+30.5600+130.0993/+30.5440+130.0800/+30.5400+130.0730/+30.5257+130.0600/+30.5200+130.0527/+30.5065+130.0400/+30.5000+130.0334/+30.4892+130.0200/+30.4800+130.0035/+30.4765+130.0000/+30.4600+129.9830/+30.4568+129.9800/+30.4400+129.9605/+30.4395+129.9600/+30.4285+129.9400/+30.4200+129.9208/+30.4195+129.9200/+30.4000+129.9015/+30.3986+129.9000/+30.4000+129.8887/+30.4200+129.8819/+30.4400+129.8812/+30.4600+129.8885/+30.4712+129.9000/+30.4800+129.9095/+30.4938+129.9200/+30.5000+129.9228/+30.5200+129.9352/+30.5277+129.9400/+30.5400+129.9530/+30.5440+129.9600/+30.5600+129.9745/+30.5650+129.9800/+30.5800+129.9972/+30.5829+130.0000/+30.6000+130.0192/+30.6011+130.0200/+30.6200+130.0394/+30.6205+130.0400/+30.6347+130.0600/+30.6400+130.0675/+30.6517+130.0800/+30.6600+130.0930/+30.6667+130.1000/+30.6800+130.1154/+30.6844+130.1200/+30.7000+130.1392/+30.7008+130.1400/+30.7182+130.1600/+30.7200+130.1625/+30.7365+130.1800/+30.7400+130.1846/+30.7549+130.2000/+30.7600+130.2111/+30.7689+130.2200/+30.7796+130.2400/+30.7800+130.2404/+30.7995+130.2600/+30.8000+130.2605/+30.8195+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/+30.7672+130.2800/+30.7800+130.2670/+30.7902+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-20T00:00:00+09:00 2026-09-20T03:00:00+09:00 降灰 70 +30.8195+130.2800/+30.8199+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3382/+30.7616+130.3200/+30.7600+130.3199/+30.7400+130.3181/+30.7203+130.3000/+30.7200+130.2998/+30.7000+130.2924/+30.6852+130.2800/+30.6800+130.2763/+30.6610+130.2600/+30.6600+130.2590/+30.6401+130.2400/+30.6400+130.2398/+30.6222+130.2200/+30.6200+130.2157/+30.6066+130.2000/+30.6000+130.1853/+30.5957+130.1800/+30.5816+130.1600/+30.5800+130.1581/+30.5651+130.1400/+30.5600+130.1293/+30.5539+130.1200/+30.5440+130.1000/+30.5400+130.0897/+30.5327+130.0800/+30.5236+130.0600/+30.5200+130.0517/+30.5118+130.0400/+30.5000+130.0256/+30.4957+130.0200/+30.4823+130.0000/+30.4800+129.9944/+30.4735+129.9800/+30.4655+129.9600/+30.4663+129.9400/+30.4736+129.9200/+30.4800+129.9127/+30.5000+129.9089/+30.5200+129.9197/+30.5203+129.9200/+30.5394+129.9400/+30.5400+129.9406/+30.5585+129.9600/+30.5600+129.9612/+30.5800+129.9800/+30.6000+129.9946/+30.6066+130.0000/+30.6200+130.0167/+30.6227+130.0200/+30.6379+130.0400/+30.6400+130.0418/+30.6519+130.0600/+30.6600+130.0724/+30.6658+130.0800/+30.6782+130.1000/+30.6800+130.1024/+30.6953+130.1200/+30.7000+130.1261/+30.7124+130.1400/+30.7200+130.1566/+30.7231+130.1600/+30.7386+130.1800/+30.7400+130.1824/+30.7562+130.2000/+30.7600+130.2082/+30.7716+130.2200/+30.7797+130.2400/+30.7800+130.2403/+30.7994+130.2600/+30.8000+130.2605/+30.8195+130.2800/ 南西 50 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+130.3188/+30.7609+130.3000/+30.7655+130.2800/+30.7800+130.2656/+30.7922+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９時から２０日３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０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日１５時から１８時まで　南西　　　　　　６０ｋｍ　　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　　　　　 　２０日００時から０３時まで　南西　　　　　　５０ｋｍ　　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。