2026-10-08T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T14:00:00+09:00 2026-10-08T15:00:00+09:00 2026-10-09T09:00:00+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、８日２１時から２４時までは火口から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 2026-10-08T15:00:00+09:00 2026-10-08T18:00:00+09:00 降灰 70 +30.8063+130.2200/+30.8183+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8155+130.3200/+30.8000+130.3355/+30.7800+130.3338/+30.7662+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2796/+30.7411+130.2600/+30.7403+130.2400/+30.7400+130.2200/+30.7400+130.2196/+30.7231+130.2000/+30.7211+130.1800/+30.7200+130.1645/+30.7159+130.1600/+30.7040+130.1400/+30.7014+130.1200/+30.7000+130.1107/+30.6922+130.1000/+30.6848+130.0800/+30.6806+130.0600/+30.6800+130.0565/+30.6705+130.0400/+30.6615+130.0200/+30.6600+130.0125/+30.6516+130.0000/+30.6429+129.9800/+30.6400+129.9718/+30.6342+129.9600/+30.6273+129.9400/+30.6200+129.9244/+30.6178+129.9200/+30.6145+129.9000/+30.6108+129.8800/+30.6057+129.8600/+30.6000+129.8501/+30.5942+129.8400/+30.5956+129.8200/+30.5920+129.8000/+30.6000+129.7865/+30.6127+129.8000/+30.6200+129.8142/+30.6400+129.8126/+30.6479+129.8200/+30.6600+129.8373/+30.6616+129.8400/+30.6768+129.8600/+30.6800+129.8637/+30.6908+129.8800/+30.7000+129.8927/+30.7035+129.9000/+30.7110+129.9200/+30.7194+129.9400/+30.7200+129.9412/+30.7325+129.9600/+30.7400+129.9769/+30.7416+129.9800/+30.7487+130.0000/+30.7550+130.0200/+30.7600+130.0343/+30.7637+130.0400/+30.7706+130.0600/+30.7759+130.0800/+30.7783+130.1000/+30.7799+130.1200/+30.7800+130.1204/+30.7936+130.1400/+30.7971+130.1600/+30.7989+130.1800/+30.7997+130.2000/+30.8000+130.2123/+30.8063+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8033+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7620+130.3000/+30.7734+130.2800/+30.7800+130.2718/+30.8000+130.2764/+30.8033+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T18:00:00+09:00 2026-10-08T21:00:00+09:00 降灰 70 +30.8154+130.2200/+30.8192+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8129+130.3200/+30.8000+130.3329/+30.7800+130.3301/+30.7699+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2770/+30.7432+130.2600/+30.7406+130.2400/+30.7403+130.2200/+30.7400+130.2068/+30.7337+130.2000/+30.7232+130.1800/+30.7213+130.1600/+30.7200+130.1451/+30.7156+130.1400/+30.7058+130.1200/+30.7028+130.1000/+30.7001+130.0800/+30.7000+130.0793/+30.6881+130.0600/+30.6840+130.0400/+30.6800+130.0319/+30.6691+130.0200/+30.6659+130.0000/+30.6635+129.9800/+30.6600+129.9647/+30.6567+129.9600/+30.6476+129.9400/+30.6425+129.9200/+30.6400+129.9090/+30.6357+129.9000/+30.6280+129.8800/+30.6236+129.8600/+30.6200+129.8466/+30.6180+129.8400/+30.6200+129.8260/+30.6209+129.8200/+30.6214+129.8000/+30.6400+129.7810/+30.6600+129.7852/+30.6800+129.7948/+30.6849+129.8000/+30.6951+129.8200/+30.7000+129.8318/+30.7030+129.8400/+30.7161+129.8600/+30.7200+129.8677/+30.7270+129.8800/+30.7349+129.9000/+30.7400+129.9152/+30.7419+129.9200/+30.7499+129.9400/+30.7582+129.9600/+30.7600+129.9640/+30.7668+129.9800/+30.7665+130.0000/+30.7705+130.0200/+30.7747+130.0400/+30.7779+130.0600/+30.7797+130.0800/+30.7800+130.0832/+30.7880+130.1000/+30.7947+130.1200/+30.7975+130.1400/+30.7989+130.1600/+30.7995+130.1800/+30.8000+130.2000/+30.8000+130.2007/+30.8154+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7619+130.3000/+30.7705+130.2800/+30.7800+130.2683/+30.8000+130.2697/+30.8095+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T21:00:00+09:00 2026-10-09T00:00:00+09:00 降灰 70 +30.8026+130.2000/+30.8129+130.2200/+30.8177+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3334/+30.7666+130.3200/+30.7600+130.3000/+30.7600+130.2980/+30.7424+130.2800/+30.7405+130.2600/+30.7400+130.2500/+30.7318+130.2400/+30.7247+130.2200/+30.7223+130.2000/+30.7205+130.1800/+30.7200+130.1692/+30.7164+130.1600/+30.7085+130.1400/+30.7034+130.1200/+30.7009+130.1000/+30.7000+130.0956/+30.6894+130.0800/+30.6841+130.0600/+30.6806+130.0400/+30.6800+130.0387/+30.6648+130.0200/+30.6603+130.0000/+30.6600+129.9991/+30.6469+129.9800/+30.6408+129.9600/+30.6400+129.9567/+30.6338+129.9400/+30.6239+129.9200/+30.6200+129.9066/+30.6181+129.9000/+30.6120+129.8800/+30.6093+129.8600/+30.6000+129.8409/+30.5995+129.8400/+30.6000+129.8362/+30.6200+129.8236/+30.6262+129.8200/+30.6400+129.8151/+30.6450+129.8200/+30.6580+129.8400/+30.6600+129.8423/+30.6784+129.8600/+30.6800+129.8613/+30.6927+129.8800/+30.7000+129.8897/+30.7049+129.9000/+30.7120+129.9200/+30.7200+129.9336/+30.7267+129.9400/+30.7387+129.9600/+30.7400+129.9631/+30.7485+129.9800/+30.7515+130.0000/+30.7565+130.0200/+30.7600+130.0294/+30.7680+130.0400/+30.7749+130.0600/+30.7791+130.0800/+30.7800+130.0843/+30.7873+130.1000/+30.7914+130.1200/+30.7958+130.1400/+30.7986+130.1600/+30.7999+130.1800/+30.8000+130.1876/+30.8026+130.2000/ 西 50 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+130.3177/+30.7623+130.3000/+30.7706+130.2800/+30.7800+130.2689/+30.8000+130.2668/+30.8119+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T00:00:00+09:00 2026-10-09T03:00:00+09:00 降灰 70 +30.8165+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8181+130.3200/+30.8000+130.3381/+30.7800+130.3374/+30.7626+130.3200/+30.7600+130.3190/+30.7410+130.3000/+30.7400+130.2956/+30.7244+130.2800/+30.7200+130.2713/+30.7086+130.2600/+30.7001+130.2400/+30.7000+130.2397/+30.6819+130.2200/+30.6800+130.2148/+30.6669+130.2000/+30.6600+130.1839/+30.6565+130.1800/+30.6486+130.1600/+30.6419+130.1400/+30.6447+130.1200/+30.6427+130.1000/+30.6467+130.0800/+30.6552+130.0600/+30.6600+130.0413/+30.6602+130.0400/+30.6600+130.0380/+30.6565+130.0200/+30.6600+130.0057/+30.6616+130.0000/+30.6714+129.9800/+30.6720+129.9600/+30.6787+129.9400/+30.6800+129.9381/+30.7000+129.9263/+30.7200+129.9307/+30.7338+129.9400/+30.7400+129.9444/+30.7517+129.9600/+30.7600+129.9751/+30.7615+129.9800/+30.7663+130.0000/+30.7600+130.0152/+30.7584+130.0200/+30.7600+130.0279/+30.7640+130.0400/+30.7705+130.0600/+30.7751+130.0800/+30.7761+130.1000/+30.7800+130.1200/+30.7798+130.1400/+30.7800+130.1408/+30.7886+130.1600/+30.7934+130.1800/+30.7973+130.2000/+30.7991+130.2200/+30.8000+130.2400/+30.8000+130.2402/+30.8165+130.2600/ 西 40 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+130.3168/+30.7632+130.3000/+30.7727+130.2800/+30.7800+130.2722/+30.8000+130.2652/+30.8138+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T03:00:00+09:00 2026-10-09T06:00:00+09:00 降灰 70 +30.8197+130.2800/+30.8199+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3368/+30.7632+130.3200/+30.7600+130.3197/+30.7403+130.3000/+30.7400+130.2992/+30.7206+130.2800/+30.7200+130.2790/+30.7005+130.2600/+30.7000+130.2592/+30.6804+130.2400/+30.6800+130.2394/+30.6600+130.2223/+30.6576+130.2200/+30.6400+130.2013/+30.6386+130.2000/+30.6203+130.1800/+30.6200+130.1796/+30.6025+130.1600/+30.6000+130.1555/+30.5859+130.1400/+30.5800+130.1314/+30.5661+130.1200/+30.5600+130.1137/+30.5492+130.1000/+30.5415+130.0800/+30.5400+130.0767/+30.5290+130.0600/+30.5200+130.0461/+30.5147+130.0400/+30.5121+130.0200/+30.5067+130.0000/+30.5061+129.9800/+30.5045+129.9600/+30.5200+129.9514/+30.5321+129.9600/+30.5400+129.9649/+30.5600+129.9698/+30.5711+129.9800/+30.5800+129.9860/+30.5979+130.0000/+30.6000+130.0017/+30.6188+130.0200/+30.6200+130.0211/+30.6380+130.0400/+30.6400+130.0414/+30.6600+130.0583/+30.6619+130.0600/+30.6742+130.0800/+30.6800+130.0860/+30.6938+130.1000/+30.7000+130.1073/+30.7113+130.1200/+30.7200+130.1311/+30.7274+130.1400/+30.7396+130.1600/+30.7400+130.1606/+30.7558+130.1800/+30.7600+130.1894/+30.7691+130.2000/+30.7787+130.2200/+30.7800+130.2233/+30.7958+130.2400/+30.7998+130.2600/+30.8000+130.2602/+30.8197+130.2800/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8148+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7618+130.3000/+30.7677+130.2800/+30.7800+130.2667/+30.8000+130.2652/+30.8148+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T06:00:00+09:00 2026-10-09T09:00:00+09:00 降灰 70 +30.8120+130.2400/+30.8192+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8150+130.3200/+30.8000+130.3350/+30.7800+130.3326/+30.7674+130.3200/+30.7600+130.3174/+30.7426+130.3000/+30.7400+130.2882/+30.7318+130.2800/+30.7200+130.2602/+30.7198+130.2600/+30.7018+130.2400/+30.7000+130.2357/+30.6857+130.2200/+30.6800+130.2069/+30.6741+130.2000/+30.6673+130.1800/+30.6600+130.1619/+30.6583+130.1600/+30.6519+130.1400/+30.6442+130.1200/+30.6437+130.1000/+30.6400+130.0914/+30.6323+130.0800/+30.6400+130.0646/+30.6419+130.0600/+30.6400+130.0532/+30.6340+130.0400/+30.6333+130.0200/+30.6324+130.0000/+30.6312+129.9800/+30.6283+129.9600/+30.6262+129.9400/+30.6271+129.9200/+30.6326+129.9000/+30.6396+129.8800/+30.6400+129.8786/+30.6587+129.8600/+30.6600+129.8592/+30.6800+129.8498/+30.6860+129.8600/+30.6974+129.8800/+30.7000+129.8859/+30.7070+129.9000/+30.7188+129.9200/+30.7200+129.9226/+30.7252+129.9400/+30.7320+129.9600/+30.7382+129.9800/+30.7400+129.9854/+30.7450+130.0000/+30.7494+130.0200/+30.7540+130.0400/+30.7584+130.0600/+30.7600+130.0711/+30.7631+130.0800/+30.7721+130.1000/+30.7759+130.1200/+30.7786+130.1400/+30.7800+130.1491/+30.7883+130.1600/+30.7954+130.1800/+30.7985+130.2000/+30.7996+130.2200/+30.8000+130.2265/+30.8120+130.2400/ 南西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8144+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3174/+30.7626+130.3000/+30.7728+130.2800/+30.7800+130.2708/+30.8000+130.2638/+30.8144+130.2800/ 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、８日２１時から２４時までは火口から西方向に降灰が予想されます。 　８日１５時から９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 　０８日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日００時から０３時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０３時から０６時まで　南西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０６時から０９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。