2026-11-03T17:00:00Z 通常 気象庁本庁 気象庁 2026-11-04T02:00:00+09:00 2026-11-04T03:00:00+09:00 2026-11-04T21:00:00+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、４日０９時から１２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 2026-11-04T03:00:00+09:00 2026-11-04T06:00:00+09:00 降灰 70 +30.8089+130.2200/+30.8180+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3324/+30.7676+130.3200/+30.7601+130.3000/+30.7600+130.2899/+30.7501+130.2800/+30.7407+130.2600/+30.7403+130.2400/+30.7400+130.2201/+30.7399+130.2200/+30.7249+130.2000/+30.7224+130.1800/+30.7212+130.1600/+30.7200+130.1443/+30.7169+130.1400/+30.7111+130.1200/+30.7075+130.1000/+30.7060+130.0800/+30.7035+130.0600/+30.7033+130.0400/+30.7022+130.0200/+30.7000+130.0103/+30.6937+130.0000/+30.6946+129.9800/+30.6941+129.9600/+30.6954+129.9400/+30.6988+129.9200/+30.6973+129.9000/+30.7000+129.8811/+30.7002+129.8800/+30.7018+129.8600/+30.7040+129.8400/+30.7093+129.8200/+30.7164+129.8000/+30.7200+129.7943/+30.7363+129.7800/+30.7400+129.7733/+30.7600+129.7736/+30.7632+129.7800/+30.7760+129.8000/+30.7800+129.8130/+30.7817+129.8200/+30.7856+129.8400/+30.7874+129.8600/+30.7887+129.8800/+30.7905+129.9000/+30.7934+129.9200/+30.7940+129.9400/+30.7950+129.9600/+30.7962+129.9800/+30.7885+130.0000/+30.7890+130.0200/+30.7917+130.0400/+30.7923+130.0600/+30.7945+130.0800/+30.7957+130.1000/+30.7968+130.1200/+30.7980+130.1400/+30.7987+130.1600/+30.7993+130.1800/+30.7998+130.2000/+30.8000+130.2064/+30.8089+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8078+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3164/+30.7636+130.3000/+30.7708+130.2800/+30.7800+130.2686/+30.8000+130.2706/+30.8078+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T06:00:00+09:00 2026-11-04T09:00:00+09:00 降灰 70 +30.8093+130.2000/+30.8163+130.2200/+30.8186+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8020+130.3200/+30.8000+130.3220/+30.7940+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2924/+30.7476+130.2800/+30.7404+130.2600/+30.7402+130.2400/+30.7400+130.2293/+30.7309+130.2200/+30.7218+130.2000/+30.7206+130.1800/+30.7200+130.1629/+30.7176+130.1600/+30.7042+130.1400/+30.7018+130.1200/+30.7005+130.1000/+30.7000+130.0963/+30.6882+130.0800/+30.6838+130.0600/+30.6812+130.0400/+30.6800+130.0370/+30.6659+130.0200/+30.6640+130.0000/+30.6621+129.9800/+30.6600+129.9611/+30.6594+129.9600/+30.6515+129.9400/+30.6487+129.9200/+30.6452+129.9000/+30.6438+129.8800/+30.6413+129.8600/+30.6400+129.8521/+30.6358+129.8400/+30.6336+129.8200/+30.6294+129.8000/+30.6292+129.7800/+30.6291+129.7600/+30.6298+129.7400/+30.6315+129.7200/+30.6335+129.7000/+30.6372+129.6800/+30.6400+129.6673/+30.6493+129.6600/+30.6600+129.6504/+30.6636+129.6600/+30.6718+129.6800/+30.6784+129.7000/+30.6800+129.7048/+30.6850+129.7200/+30.6918+129.7400/+30.7000+129.7592/+30.7002+129.7600/+30.7064+129.7800/+30.7062+129.8000/+30.7090+129.8200/+30.7112+129.8400/+30.7161+129.8600/+30.7200+129.8770/+30.7215+129.8800/+30.7263+129.9000/+30.7340+129.9200/+30.7387+129.9400/+30.7400+129.9451/+30.7453+129.9600/+30.7508+129.9800/+30.7482+130.0000/+30.7557+130.0200/+30.7590+130.0400/+30.7600+130.0432/+30.7705+130.0600/+30.7752+130.0800/+30.7792+130.1000/+30.7800+130.1025/+30.7905+130.1200/+30.7951+130.1400/+30.7977+130.1600/+30.7994+130.1800/+30.8000+130.1862/+30.8093+130.2000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8123+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3171/+30.7628+130.3000/+30.7676+130.2800/+30.7800+130.2650/+30.8000+130.2647/+30.8123+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T09:00:00+09:00 2026-11-04T12:00:00+09:00 降灰 70 +30.8474+129.7400/+30.8538+129.7600/+30.8554+129.7800/+30.8569+129.8000/+30.8566+129.8200/+30.8563+129.8400/+30.8563+129.8600/+30.8563+129.8800/+30.8524+129.9000/+30.8501+129.9200/+30.8503+129.9400/+30.8480+129.9600/+30.8415+129.9800/+30.8400+129.9816/+30.8371+130.0000/+30.8365+130.0200/+30.8360+130.0400/+30.8352+130.0600/+30.8351+130.0800/+30.8345+130.1000/+30.8341+130.1200/+30.8332+130.1400/+30.8316+130.1600/+30.8293+130.1800/+30.8200+130.1982/+30.8200+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8060+130.3200/+30.8000+130.3260/+30.7878+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7601+130.2000/+30.7600+130.1881/+30.7565+130.1800/+30.7498+130.1600/+30.7486+130.1400/+30.7485+130.1200/+30.7493+130.1000/+30.7486+130.0800/+30.7477+130.0600/+30.7493+130.0400/+30.7510+130.0200/+30.7514+130.0000/+30.7465+129.9800/+30.7494+129.9600/+30.7527+129.9400/+30.7555+129.9200/+30.7594+129.9000/+30.7600+129.8976/+30.7640+129.8800/+30.7664+129.8600/+30.7693+129.8400/+30.7746+129.8200/+30.7800+129.8042/+30.7817+129.8000/+30.7875+129.7800/+30.7969+129.7600/+30.8000+129.7540/+30.8200+129.7458/+30.8284+129.7400/+30.8400+129.7296/+30.8474+129.7400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7843+130.2800/+30.8000+130.2640/+30.8133+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T12:00:00+09:00 2026-11-04T15:00:00+09:00 降灰 70 +30.8614+129.7200/+30.8642+129.7400/+30.8640+129.7600/+30.8614+129.7800/+30.8600+129.7855/+30.8577+129.8000/+30.8564+129.8200/+30.8551+129.8400/+30.8546+129.8600/+30.8541+129.8800/+30.8451+129.9000/+30.8418+129.9200/+30.8416+129.9400/+30.8400+129.9499/+30.8397+129.9600/+30.8388+129.9800/+30.8367+130.0000/+30.8354+130.0200/+30.8343+130.0400/+30.8341+130.0600/+30.8339+130.0800/+30.8334+130.1000/+30.8320+130.1200/+30.8321+130.1400/+30.8308+130.1600/+30.8292+130.1800/+30.8252+130.2000/+30.8200+130.2152/+30.8200+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8065+130.3200/+30.8000+130.3265/+30.7865+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7604+130.2000/+30.7606+130.1800/+30.7607+130.1600/+30.7608+130.1400/+30.7611+130.1200/+30.7613+130.1000/+30.7616+130.0800/+30.7618+130.0600/+30.7624+130.0400/+30.7628+130.0200/+30.7641+130.0000/+30.7600+129.9876/+30.7531+129.9800/+30.7565+129.9600/+30.7600+129.9416/+30.7602+129.9400/+30.7619+129.9200/+30.7661+129.9000/+30.7697+129.8800/+30.7720+129.8600/+30.7752+129.8400/+30.7775+129.8200/+30.7800+129.8018/+30.7803+129.8000/+30.7849+129.7800/+30.7932+129.7600/+30.8000+129.7459/+30.8078+129.7400/+30.8200+129.7266/+30.8250+129.7200/+30.8375+129.7000/+30.8400+129.6958/+30.8477+129.7000/+30.8600+129.7120/+30.8614+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8121+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3096/+30.7704+130.3000/+30.7800+130.2886/+30.7863+130.2800/+30.8000+130.2648/+30.8121+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T15:00:00+09:00 2026-11-04T18:00:00+09:00 降灰 70 +30.8248+129.9400/+30.8275+129.9600/+30.8288+129.9800/+30.8200+129.9974/+30.8194+130.0000/+30.8188+130.0200/+30.8193+130.0400/+30.8182+130.0600/+30.8194+130.0800/+30.8199+130.1000/+30.8195+130.1200/+30.8193+130.1400/+30.8197+130.1600/+30.8197+130.1800/+30.8197+130.2000/+30.8197+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8119+130.3200/+30.8000+130.3319/+30.7800+130.3259/+30.7741+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7601+130.2600/+30.7600+130.2416/+30.7585+130.2400/+30.7443+130.2200/+30.7426+130.2000/+30.7419+130.1800/+30.7417+130.1600/+30.7414+130.1400/+30.7415+130.1200/+30.7412+130.1000/+30.7407+130.0800/+30.7407+130.0600/+30.7408+130.0400/+30.7400+130.0203/+30.7399+130.0200/+30.7400+130.0194/+30.7405+130.0000/+30.7400+129.9978/+30.7297+129.9800/+30.7321+129.9600/+30.7348+129.9400/+30.7373+129.9200/+30.7388+129.9000/+30.7385+129.8800/+30.7400+129.8700/+30.7416+129.8600/+30.7456+129.8400/+30.7502+129.8200/+30.7565+129.8000/+30.7600+129.7949/+30.7800+129.7918/+30.8000+129.7878/+30.8060+129.8000/+30.8098+129.8200/+30.8129+129.8400/+30.8153+129.8600/+30.8173+129.8800/+30.8165+129.9000/+30.8193+129.9200/+30.8200+129.9225/+30.8248+129.9400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8101+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3094/+30.7706+130.3000/+30.7740+130.2800/+30.7800+130.2718/+30.8000+130.2673/+30.8101+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T18:00:00+09:00 2026-11-04T21:00:00+09:00 降灰 70 +30.8006+129.9000/+30.8078+129.9200/+30.8128+129.9400/+30.8156+129.9600/+30.8172+129.9800/+30.8148+130.0000/+30.8156+130.0200/+30.8162+130.0400/+30.8166+130.0600/+30.8176+130.0800/+30.8183+130.1000/+30.8186+130.1200/+30.8189+130.1400/+30.8192+130.1600/+30.8194+130.1800/+30.8196+130.2000/+30.8197+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8081+130.3200/+30.8000+130.3281/+30.7812+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2394/+30.7447+130.2200/+30.7425+130.2000/+30.7420+130.1800/+30.7418+130.1600/+30.7416+130.1400/+30.7410+130.1200/+30.7403+130.1000/+30.7400+130.0851/+30.7391+130.0800/+30.7317+130.0600/+30.7345+130.0400/+30.7311+130.0200/+30.7285+130.0000/+30.7249+129.9800/+30.7243+129.9600/+30.7242+129.9400/+30.7245+129.9200/+30.7240+129.9000/+30.7223+129.8800/+30.7200+129.8600/+30.7200+129.8598/+30.7163+129.8400/+30.7183+129.8200/+30.7200+129.8037/+30.7206+129.8000/+30.7297+129.7800/+30.7379+129.7600/+30.7400+129.7547/+30.7600+129.7599/+30.7600+129.7600/+30.7683+129.7800/+30.7793+129.8000/+30.7800+129.8033/+30.7832+129.8200/+30.7864+129.8400/+30.7901+129.8600/+30.7935+129.8800/+30.8000+129.8985/+30.8006+129.9000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8121+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3085/+30.7715+130.3000/+30.7711+130.2800/+30.7800+130.2687/+30.8000+130.2651/+30.8121+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、４日０９時から１２時までは火口から西方向に降灰が予想されます。 　４日３時から４日２１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 　０４日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　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。