2026-10-08T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T11:00:00+09:00 2026-10-08T12:00:00+09:00 2026-10-09T06:00:00+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 2026-10-08T12:00:00+09:00 2026-10-08T15:00:00+09:00 降灰 70 +30.8190+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8154+130.3200/+30.8000+130.3354/+30.7800+130.3334/+30.7666+130.3200/+30.7601+130.3000/+30.7600+130.2944/+30.7456+130.2800/+30.7404+130.2600/+30.7402+130.2400/+30.7400+130.2350/+30.7254+130.2200/+30.7211+130.2000/+30.7203+130.1800/+30.7200+130.1766/+30.7063+130.1600/+30.7021+130.1400/+30.7005+130.1200/+30.7000+130.1160/+30.6886+130.1000/+30.6825+130.0800/+30.6805+130.0600/+30.6800+130.0576/+30.6685+130.0400/+30.6629+130.0200/+30.6610+130.0000/+30.6600+129.9927/+30.6532+129.9800/+30.6449+129.9600/+30.6419+129.9400/+30.6416+129.9200/+30.6400+129.9022/+30.6395+129.9000/+30.6353+129.8800/+30.6365+129.8600/+30.6379+129.8400/+30.6400+129.8279/+30.6528+129.8200/+30.6600+129.8184/+30.6800+129.8163/+30.6835+129.8200/+30.6968+129.8400/+30.7000+129.8488/+30.7035+129.8600/+30.7088+129.8800/+30.7157+129.9000/+30.7200+129.9097/+30.7251+129.9200/+30.7319+129.9400/+30.7376+129.9600/+30.7400+129.9696/+30.7434+129.9800/+30.7400+129.9910/+30.7392+130.0000/+30.7400+130.0102/+30.7423+130.0200/+30.7514+130.0400/+30.7564+130.0600/+30.7587+130.0800/+30.7600+130.0968/+30.7614+130.1000/+30.7732+130.1200/+30.7774+130.1400/+30.7792+130.1600/+30.7800+130.1740/+30.7849+130.1800/+30.7978+130.2000/+30.7996+130.2200/+30.7999+130.2400/+30.8000+130.2408/+30.8190+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8022+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3165/+30.7635+130.3000/+30.7728+130.2800/+30.7800+130.2712/+30.8000+130.2778/+30.8022+130.2800/ 西 3 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 +30.8170+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8150+130.3200/+30.8000+130.3350/+30.7800+130.3335/+30.7665+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2795/+30.7410+130.2600/+30.7403+130.2400/+30.7401+130.2200/+30.7400+130.2183/+30.7237+130.2000/+30.7212+130.1800/+30.7202+130.1600/+30.7200+130.1582/+30.7061+130.1400/+30.7024+130.1200/+30.7006+130.1000/+30.7000+130.0955/+30.6892+130.0800/+30.6832+130.0600/+30.6804+130.0400/+30.6800+130.0390/+30.6645+130.0200/+30.6622+130.0000/+30.6600+129.9837/+30.6577+129.9800/+30.6454+129.9600/+30.6400+129.9422/+30.6391+129.9400/+30.6299+129.9200/+30.6236+129.9000/+30.6200+129.8859/+30.6186+129.8800/+30.6157+129.8600/+30.6117+129.8400/+30.6132+129.8200/+30.6082+129.8000/+30.6200+129.7867/+30.6385+129.7800/+30.6400+129.7797/+30.6405+129.7800/+30.6600+129.7920/+30.6638+129.8000/+30.6762+129.8200/+30.6800+129.8245/+30.6889+129.8400/+30.6997+129.8600/+30.7000+129.8607/+30.7062+129.8800/+30.7123+129.9000/+30.7193+129.9200/+30.7200+129.9224/+30.7303+129.9400/+30.7392+129.9600/+30.7400+129.9621/+30.7474+129.9800/+30.7488+130.0000/+30.7548+130.0200/+30.7594+130.0400/+30.7600+130.0435/+30.7677+130.0600/+30.7746+130.0800/+30.7779+130.1000/+30.7794+130.1200/+30.7800+130.1259/+30.7894+130.1400/+30.7965+130.1600/+30.7987+130.1800/+30.7995+130.2000/+30.7999+130.2200/+30.8000+130.2219/+30.8170+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8053+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7620+130.3000/+30.7720+130.2800/+30.7800+130.2700/+30.8000+130.2747/+30.8053+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 +30.8034+130.2200/+30.8188+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8124+130.3200/+30.8000+130.3324/+30.7800+130.3297/+30.7703+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2782/+30.7421+130.2600/+30.7405+130.2400/+30.7402+130.2200/+30.7400+130.2149/+30.7264+130.2000/+30.7221+130.1800/+30.7206+130.1600/+30.7200+130.1542/+30.7091+130.1400/+30.7033+130.1200/+30.7007+130.1000/+30.7000+130.0960/+30.6894+130.0800/+30.6843+130.0600/+30.6803+130.0400/+30.6800+130.0392/+30.6649+130.0200/+30.6618+130.0000/+30.6600+129.9901/+30.6540+129.9800/+30.6440+129.9600/+30.6400+129.9470/+30.6370+129.9400/+30.6265+129.9200/+30.6220+129.9000/+30.6200+129.8900/+30.6181+129.8800/+30.6150+129.8600/+30.6111+129.8400/+30.6133+129.8200/+30.6100+129.8000/+30.6200+129.7807/+30.6213+129.7800/+30.6400+129.7756/+30.6453+129.7800/+30.6600+129.7908/+30.6644+129.8000/+30.6800+129.8177/+30.6818+129.8200/+30.6938+129.8400/+30.7000+129.8507/+30.7045+129.8600/+30.7123+129.8800/+30.7194+129.9000/+30.7200+129.9013/+30.7296+129.9200/+30.7400+129.9400/+30.7508+129.9600/+30.7575+129.9800/+30.7560+130.0000/+30.7589+130.0200/+30.7600+130.0251/+30.7681+130.0400/+30.7749+130.0600/+30.7778+130.0800/+30.7797+130.1000/+30.7800+130.1036/+30.7892+130.1200/+30.7956+130.1400/+30.7982+130.1600/+30.7993+130.1800/+30.7997+130.2000/+30.8000+130.2162/+30.8034+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8070+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3186/+30.7614+130.3000/+30.7703+130.2800/+30.7800+130.2682/+30.8000+130.2730/+30.8070+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 +30.8000+130.1600/+30.8055+130.1800/+30.8114+130.2000/+30.8155+130.2200/+30.8186+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8163+130.3200/+30.8000+130.3363/+30.7800+130.3341/+30.7659+130.3200/+30.7600+130.3000/+30.7600+130.2974/+30.7431+130.2800/+30.7408+130.2600/+30.7400+130.2400/+30.7400+130.2399/+30.7301+130.2200/+30.7246+130.2000/+30.7221+130.1800/+30.7203+130.1600/+30.7200+130.1507/+30.7166+130.1400/+30.7069+130.1200/+30.7027+130.1000/+30.7002+130.0800/+30.7000+130.0789/+30.6885+130.0600/+30.6843+130.0400/+30.6800+130.0313/+30.6697+130.0200/+30.6650+130.0000/+30.6602+129.9800/+30.6600+129.9793/+30.6492+129.9600/+30.6431+129.9400/+30.6400+129.9240/+30.6385+129.9200/+30.6301+129.9000/+30.6224+129.8800/+30.6203+129.8600/+30.6200+129.8576/+30.6175+129.8400/+30.6200+129.8363/+30.6361+129.8200/+30.6400+129.8177/+30.6439+129.8200/+30.6600+129.8316/+30.6710+129.8400/+30.6800+129.8453/+30.6933+129.8600/+30.7000+129.8700/+30.7054+129.8800/+30.7165+129.9000/+30.7200+129.9050/+30.7304+129.9200/+30.7400+129.9385/+30.7409+129.9400/+30.7520+129.9600/+30.7586+129.9800/+30.7581+130.0000/+30.7600+130.0062/+30.7694+130.0200/+30.7781+130.0400/+30.7800+130.0565/+30.7806+130.0600/+30.7919+130.0800/+30.7953+130.1000/+30.7976+130.1200/+30.7982+130.1400/+30.8000+130.1600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8110+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3170/+30.7630+130.3000/+30.7718+130.2800/+30.7800+130.2701/+30.8000+130.2676/+30.8110+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 +30.8090+130.2400/+30.8175+130.2600/+30.8198+130.2800/+30.8200+130.3000/+30.8180+130.3200/+30.8000+130.3380/+30.7800+130.3373/+30.7627+130.3200/+30.7600+130.3189/+30.7411+130.3000/+30.7400+130.2952/+30.7247+130.2800/+30.7200+130.2699/+30.7101+130.2600/+30.7000+130.2404/+30.6996+130.2400/+30.6828+130.2200/+30.6800+130.2114/+30.6698+130.2000/+30.6623+130.1800/+30.6600+130.1692/+30.6540+130.1600/+30.6466+130.1400/+30.6405+130.1200/+30.6413+130.1000/+30.6459+130.0800/+30.6488+130.0600/+30.6571+130.0400/+30.6536+130.0200/+30.6600+130.0013/+30.6604+130.0000/+30.6715+129.9800/+30.6800+129.9618/+30.6811+129.9600/+30.6948+129.9400/+30.7000+129.9329/+30.7136+129.9200/+30.7160+129.9000/+30.7200+129.8929/+30.7265+129.9000/+30.7291+129.9200/+30.7400+129.9310/+30.7434+129.9400/+30.7507+129.9600/+30.7576+129.9800/+30.7600+129.9879/+30.7627+130.0000/+30.7638+130.0200/+30.7688+130.0400/+30.7703+130.0600/+30.7734+130.0800/+30.7771+130.1000/+30.7799+130.1200/+30.7800+130.1203/+30.7871+130.1400/+30.7903+130.1600/+30.7958+130.1800/+30.7979+130.2000/+30.7995+130.2200/+30.8000+130.2253/+30.8090+130.2400/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8115+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3162/+30.7638+130.3000/+30.7800+130.2801/+30.7802+130.2800/+30.8000+130.2675/+30.8115+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 +30.8196+130.2800/+30.8199+130.3000/+30.8175+130.3200/+30.8000+130.3375/+30.7800+130.3372/+30.7628+130.3200/+30.7600+130.3197/+30.7403+130.3000/+30.7400+130.2995/+30.7200+130.2800/+30.7000+130.2701/+30.6895+130.2600/+30.6800+130.2527/+30.6665+130.2400/+30.6600+130.2324/+30.6468+130.2200/+30.6400+130.2115/+30.6272+130.2000/+30.6200+130.1919/+30.6091+130.1800/+30.6000+130.1644/+30.5945+130.1600/+30.5806+130.1400/+30.5800+130.1376/+30.5686+130.1200/+30.5600+130.1030/+30.5584+130.1000/+30.5474+130.0800/+30.5400+130.0611/+30.5389+130.0600/+30.5232+130.0400/+30.5200+130.0329/+30.5138+130.0200/+30.5052+130.0000/+30.5108+129.9800/+30.5200+129.9662/+30.5400+129.9694/+30.5600+129.9710/+30.5699+129.9800/+30.5800+129.9888/+30.5892+130.0000/+30.6000+130.0095/+30.6119+130.0200/+30.6200+130.0277/+30.6304+130.0400/+30.6400+130.0470/+30.6493+130.0600/+30.6600+130.0790/+30.6610+130.0800/+30.6800+130.0940/+30.6849+130.1000/+30.6979+130.1200/+30.7000+130.1226/+30.7146+130.1400/+30.7200+130.1482/+30.7303+130.1600/+30.7400+130.1763/+30.7435+130.1800/+30.7581+130.2000/+30.7600+130.2034/+30.7761+130.2200/+30.7800+130.2346/+30.7853+130.2400/+30.7997+130.2600/+30.8000+130.2602/+30.8196+130.2800/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8103+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3179/+30.7619+130.3000/+30.7702+130.2800/+30.7800+130.2702/+30.8000+130.2695/+30.8103+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１２時から９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 　０８日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　　　　　 　 　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。