2026-09-19T02:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T11:00:00+09:00 2026-09-19T12:00:00+09:00 2026-09-20T06:00:00+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 鹿児島県屋久島町 4650500 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 鹿児島県屋久島町 4650500 小さな噴石の落下 75 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 +30.8021+130.2000/+30.8156+130.2200/+30.8187+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7601+130.3000/+30.7600+130.2812/+30.7588+130.2800/+30.7408+130.2600/+30.7403+130.2400/+30.7401+130.2200/+30.7400+130.2174/+30.7242+130.2000/+30.7216+130.1800/+30.7208+130.1600/+30.7200+130.1485/+30.7131+130.1400/+30.7055+130.1200/+30.7029+130.1000/+30.7019+130.0800/+30.7004+130.0600/+30.7000+130.0567/+30.6921+130.0400/+30.6828+130.0200/+30.6800+130.0019/+30.6796+130.0000/+30.6768+129.9800/+30.6760+129.9600/+30.6745+129.9400/+30.6723+129.9200/+30.6703+129.9000/+30.6707+129.8800/+30.6703+129.8600/+30.6699+129.8400/+30.6728+129.8200/+30.6765+129.8000/+30.6777+129.7800/+30.6797+129.7600/+30.6800+129.7578/+30.6826+129.7400/+30.6871+129.7200/+30.6928+129.7000/+30.6988+129.6800/+30.7000+129.6764/+30.7041+129.6800/+30.7200+129.6927/+30.7302+129.7000/+30.7400+129.7077/+30.7456+129.7200/+30.7533+129.7400/+30.7593+129.7600/+30.7600+129.7625/+30.7626+129.7800/+30.7619+129.8000/+30.7659+129.8200/+30.7692+129.8400/+30.7752+129.8600/+30.7794+129.8800/+30.7742+129.9000/+30.7760+129.9200/+30.7774+129.9400/+30.7790+129.9600/+30.7800+129.9715/+30.7832+129.9800/+30.7818+130.0000/+30.7843+130.0200/+30.7864+130.0400/+30.7895+130.0600/+30.7911+130.0800/+30.7954+130.1000/+30.7972+130.1200/+30.7984+130.1400/+30.7992+130.1600/+30.7997+130.1800/+30.8000+130.1962/+30.8021+130.2000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8130+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3174/+30.7626+130.3000/+30.7665+130.2800/+30.7800+130.2634/+30.8000+130.2649/+30.8130+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 +30.8198+130.2800/+30.8199+130.3000/+30.8109+130.3200/+30.8000+130.3309/+30.7800+130.3289/+30.7711+130.3200/+30.7601+130.3000/+30.7600+130.2997/+30.7404+130.2800/+30.7401+130.2600/+30.7400+130.2592/+30.7211+130.2400/+30.7202+130.2200/+30.7200+130.2185/+30.7025+130.2000/+30.7004+130.1800/+30.7000+130.1777/+30.6840+130.1600/+30.6806+130.1400/+30.6800+130.1370/+30.6653+130.1200/+30.6618+130.1000/+30.6600+130.0922/+30.6488+130.0800/+30.6416+130.0600/+30.6400+130.0567/+30.6228+130.0400/+30.6200+130.0328/+30.6118+130.0200/+30.6063+130.0000/+30.6026+129.9800/+30.6000+129.9668/+30.5916+129.9600/+30.5800+129.9436/+30.5787+129.9400/+30.5732+129.9200/+30.5697+129.9000/+30.5658+129.8800/+30.5600+129.8611/+30.5592+129.8600/+30.5543+129.8400/+30.5494+129.8200/+30.5419+129.8000/+30.5400+129.7906/+30.5387+129.7800/+30.5362+129.7600/+30.5365+129.7400/+30.5400+129.7254/+30.5600+129.7215/+30.5720+129.7400/+30.5800+129.7525/+30.5866+129.7600/+30.6000+129.7689/+30.6065+129.7800/+30.6155+129.8000/+30.6200+129.8084/+30.6244+129.8200/+30.6316+129.8400/+30.6400+129.8536/+30.6451+129.8600/+30.6553+129.8800/+30.6600+129.8877/+30.6654+129.9000/+30.6661+129.9200/+30.6793+129.9400/+30.6800+129.9414/+30.6903+129.9600/+30.6970+129.9800/+30.7000+129.9868/+30.7073+130.0000/+30.7055+130.0200/+30.7160+130.0400/+30.7192+130.0600/+30.7200+130.0626/+30.7325+130.0800/+30.7385+130.1000/+30.7400+130.1067/+30.7501+130.1200/+30.7578+130.1400/+30.7598+130.1600/+30.7600+130.1608/+30.7768+130.1800/+30.7795+130.2000/+30.7800+130.2043/+30.7952+130.2200/+30.7997+130.2400/+30.8000+130.2600/+30.8000+130.2601/+30.8198+130.2800/ 南西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8064+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7619+130.3000/+30.7688+130.2800/+30.7800+130.2660/+30.8000+130.2736/+30.8064+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 +30.8195+130.2800/+30.8199+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3332/+30.7668+130.3200/+30.7600+130.3175/+30.7425+130.3000/+30.7400+130.2800/+30.7400+130.2798/+30.7204+130.2600/+30.7200+130.2580/+30.7022+130.2400/+30.7000+130.2329/+30.6871+130.2200/+30.6803+130.2000/+30.6800+130.1992/+30.6618+130.1800/+30.6600+130.1761/+30.6450+130.1600/+30.6400+130.1486/+30.6316+130.1400/+30.6203+130.1200/+30.6200+130.1191/+30.6054+130.1000/+30.6000+130.0923/+30.5824+130.0800/+30.5800+130.0762/+30.5691+130.0600/+30.5600+130.0400/+30.5480+130.0200/+30.5400+130.0094/+30.5318+130.0000/+30.5229+129.9800/+30.5200+129.9747/+30.5076+129.9600/+30.5000+129.9468/+30.4963+129.9400/+30.4830+129.9200/+30.4800+129.9133/+30.4734+129.9000/+30.4710+129.8800/+30.4646+129.8600/+30.4612+129.8400/+30.4800+129.8353/+30.5000+129.8341/+30.5055+129.8400/+30.5200+129.8592/+30.5206+129.8600/+30.5400+129.8762/+30.5428+129.8800/+30.5600+129.8959/+30.5648+129.9000/+30.5792+129.9200/+30.5800+129.9209/+30.5958+129.9400/+30.6000+129.9458/+30.6096+129.9600/+30.6200+129.9748/+30.6234+129.9800/+30.6400+129.9990/+30.6408+130.0000/+30.6533+130.0200/+30.6575+130.0400/+30.6600+130.0441/+30.6730+130.0600/+30.6800+130.0800/+30.6976+130.1000/+30.7000+130.1045/+30.7132+130.1200/+30.7196+130.1400/+30.7200+130.1407/+30.7372+130.1600/+30.7400+130.1670/+30.7527+130.1800/+30.7593+130.2000/+30.7600+130.2014/+30.7782+130.2200/+30.7800+130.2296/+30.7904+130.2400/+30.7998+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+130.3187/+30.7613+130.3000/+30.7707+130.2800/+30.7800+130.2713/+30.7871+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/+30.8138+130.3200/+30.8000+130.3338/+30.7800+130.3332/+30.7668+130.3200/+30.7600+130.3191/+30.7409+130.3000/+30.7400+130.2962/+30.7238+130.2800/+30.7200+130.2687/+30.7112+130.2600/+30.7001+130.2400/+30.7000+130.2397/+30.6807+130.2200/+30.6800+130.2186/+30.6614+130.2000/+30.6600+130.1970/+30.6438+130.1800/+30.6400+130.1733/+30.6272+130.1600/+30.6200+130.1481/+30.6122+130.1400/+30.6000+130.1235/+30.5965+130.1200/+30.5800+130.1106/+30.5674+130.1000/+30.5600+130.0890/+30.5523+130.0800/+30.5418+130.0600/+30.5400+130.0568/+30.5223+130.0400/+30.5200+130.0375/+30.5000+130.0227/+30.4976+130.0200/+30.4865+130.0000/+30.4800+129.9899/+30.4675+129.9800/+30.4600+129.9711/+30.4501+129.9600/+30.4400+129.9414/+30.4389+129.9400/+30.4248+129.9200/+30.4200+129.9137/+30.4090+129.9000/+30.4044+129.8800/+30.4000+129.8754/+30.3920+129.8600/+30.4000+129.8413/+30.4200+129.8588/+30.4227+129.8600/+30.4400+129.8648/+30.4600+129.8729/+30.4692+129.8800/+30.4800+129.8889/+30.4925+129.9000/+30.5000+129.9040/+30.5172+129.9200/+30.5200+129.9217/+30.5400+129.9361/+30.5437+129.9400/+30.5566+129.9600/+30.5600+129.9624/+30.5784+129.9800/+30.5800+129.9815/+30.5958+130.0000/+30.6000+130.0047/+30.6183+130.0200/+30.6200+130.0218/+30.6340+130.0400/+30.6397+130.0600/+30.6400+130.0603/+30.6574+130.0800/+30.6600+130.0834/+30.6755+130.1000/+30.6800+130.1067/+30.6921+130.1200/+30.7000+130.1364/+30.7034+130.1400/+30.7188+130.1600/+30.7200+130.1615/+30.7376+130.1800/+30.7400+130.1846/+30.7553+130.2000/+30.7600+130.2127/+30.7672+130.2200/+30.7797+130.2400/+30.7800+130.2403/+30.7996+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+130.3187/+30.7613+130.3000/+30.7665+130.2800/+30.7800+130.2671/+30.7907+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-20T00:00:00+09:00 2026-09-20T03:00:00+09:00 降灰 70 +30.8194+130.2800/+30.8199+130.3000/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3388/+30.7602+130.3200/+30.7600+130.3200/+30.7400+130.3188/+30.7200+130.3113/+30.7069+130.3000/+30.7000+130.2968/+30.6800+130.2815/+30.6781+130.2800/+30.6600+130.2632/+30.6567+130.2600/+30.6400+130.2405/+30.6393+130.2400/+30.6200+130.2231/+30.6171+130.2200/+30.6055+130.2000/+30.6000+130.1926/+30.5903+130.1800/+30.5800+130.1666/+30.5743+130.1600/+30.5603+130.1400/+30.5600+130.1395/+30.5481+130.1200/+30.5400+130.1058/+30.5342+130.1000/+30.5202+130.0800/+30.5200+130.0796/+30.5047+130.0600/+30.5000+130.0530/+30.4923+130.0400/+30.4835+130.0200/+30.4800+130.0143/+30.4714+130.0000/+30.4640+129.9800/+30.4600+129.9719/+30.4534+129.9600/+30.4591+129.9400/+30.4600+129.9391/+30.4800+129.9303/+30.5000+129.9358/+30.5110+129.9400/+30.5200+129.9425/+30.5400+129.9586/+30.5415+129.9600/+30.5600+129.9724/+30.5676+129.9800/+30.5800+129.9914/+30.5877+130.0000/+30.6000+130.0098/+30.6099+130.0200/+30.6200+130.0322/+30.6262+130.0400/+30.6400+130.0544/+30.6436+130.0600/+30.6592+130.0800/+30.6600+130.0808/+30.6759+130.1000/+30.6800+130.1081/+30.6899+130.1200/+30.7000+130.1336/+30.7061+130.1400/+30.7181+130.1600/+30.7200+130.1624/+30.7362+130.1800/+30.7400+130.1862/+30.7536+130.2000/+30.7600+130.2190/+30.7610+130.2200/+30.7792+130.2400/+30.7800+130.2408/+30.7991+130.2600/+30.8000+130.2606/+30.8194+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/+30.7660+130.2800/+30.7800+130.2659/+30.7919+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-20T03:00:00+09:00 2026-09-20T06:00:00+09:00 降灰 70 +30.8110+130.2800/+30.8198+130.3000/+30.8191+130.3200/+30.8000+130.3391/+30.7800+130.3399/+30.7600+130.3398/+30.7400+130.3396/+30.7200+130.3393/+30.7000+130.3388/+30.6800+130.3382/+30.6600+130.3374/+30.6400+130.3362/+30.6200+130.3346/+30.6000+130.3326/+30.5800+130.3294/+30.5638+130.3200/+30.5600+130.3166/+30.5401+130.3000/+30.5400+130.2999/+30.5200+130.2987/+30.5000+130.2869/+30.4931+130.2800/+30.4800+130.2659/+30.4726+130.2600/+30.4600+130.2491/+30.4513+130.2400/+30.4400+130.2271/+30.4297+130.2200/+30.4200+130.2129/+30.4052+130.2000/+30.4000+130.1952/+30.3800+130.1828/+30.3756+130.1800/+30.3600+130.1608/+30.3593+130.1600/+30.3527+130.1400/+30.3600+130.1334/+30.3728+130.1200/+30.3800+130.1167/+30.4000+130.1193/+30.4014+130.1200/+30.4200+130.1296/+30.4400+130.1355/+30.4600+130.1382/+30.4676+130.1400/+30.4800+130.1422/+30.5000+130.1495/+30.5200+130.1569/+30.5278+130.1600/+30.5400+130.1627/+30.5600+130.1739/+30.5733+130.1800/+30.5800+130.1816/+30.6000+130.1875/+30.6193+130.2000/+30.6200+130.2002/+30.6400+130.2059/+30.6600+130.2122/+30.6706+130.2200/+30.6800+130.2224/+30.7000+130.2291/+30.7130+130.2400/+30.7200+130.2412/+30.7400+130.2453/+30.7554+130.2600/+30.7600+130.2602/+30.7800+130.2605/+30.8000+130.2690/+30.8110+130.2800/ 南 50 鹿児島県三島村 4630300 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3189/+30.7604+130.3000/+30.7700+130.2800/+30.7800+130.2742/+30.7858+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１２時から２０日６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　　　　　 　２０日０３時から０６時まで　南　　　　　　　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、屋久島町 　 　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。