2026-09-18T17:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T02:00:00+09:00 2026-09-19T03:00:00+09:00 2026-09-19T21:00:00+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 2026-09-19T03:00:00+09:00 2026-09-19T06:00:00+09:00 降灰 70 +31.0505+129.9600/+31.0447+129.9800/+31.0409+130.0000/+31.0400+130.0017/+31.0334+130.0200/+31.0223+130.0400/+31.0200+130.0446/+31.0163+130.0600/+31.0119+130.0800/+31.0018+130.1000/+31.0000+130.1028/+30.9800+130.1161/+30.9782+130.1200/+30.9772+130.1400/+30.9800+130.1420/+30.9826+130.1400/+31.0000+130.1260/+31.0200+130.1339/+31.0230+130.1400/+31.0203+130.1600/+31.0200+130.1731/+31.0199+130.1800/+31.0000+130.1987/+30.9990+130.2000/+30.9800+130.2118/+30.9600+130.2161/+30.9545+130.2200/+30.9400+130.2287/+30.9200+130.2343/+30.9110+130.2400/+30.9000+130.2502/+30.8800+130.2571/+30.8776+130.2600/+30.8610+130.2800/+30.8600+130.2807/+30.8400+130.2952/+30.8396+130.3000/+30.8200+130.3195/+30.8188+130.3200/+30.8000+130.3388/+30.7800+130.3363/+30.7636+130.3200/+30.7602+130.3000/+30.7607+130.2800/+30.7781+130.2600/+30.7800+130.2581/+30.7805+130.2400/+30.7827+130.2200/+30.7948+130.2000/+30.8000+130.1936/+30.8021+130.1800/+30.8120+130.1600/+30.8200+130.1500/+30.8233+130.1400/+30.8354+130.1200/+30.8400+130.1146/+30.8483+130.1000/+30.8600+130.0851/+30.8647+130.0800/+30.8800+130.0620/+30.8825+130.0600/+30.9000+130.0440/+30.9105+130.0400/+30.9200+130.0300/+30.9302+130.0200/+30.9400+130.0120/+30.9560+130.0000/+30.9600+129.9964/+30.9734+129.9800/+30.9800+129.9733/+31.0000+129.9627/+31.0156+129.9600/+31.0200+129.9586/+31.0400+129.9505/+31.0505+129.9600/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8017+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7988+130.2800/+30.8000+130.2785/+30.8017+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-19T06:00:00+09:00 2026-09-19T09:00:00+09:00 降灰 70 +30.9309+129.7800/+30.9343+129.8000/+30.9392+129.8200/+30.9370+129.8400/+30.9333+129.8600/+30.9280+129.8800/+30.9200+129.8979/+30.9195+129.9000/+30.9170+129.9200/+30.9147+129.9400/+30.9094+129.9600/+30.9000+129.9727/+30.8989+129.9800/+30.8978+130.0000/+30.8956+130.0200/+30.9000+130.0395/+30.9200+130.0298/+30.9346+130.0400/+30.9314+130.0600/+30.9202+130.0800/+30.9200+130.0815/+30.9180+130.1000/+30.9066+130.1200/+30.9000+130.1272/+30.8913+130.1400/+30.8891+130.1600/+30.8800+130.1719/+30.8752+130.1800/+30.8648+130.2000/+30.8600+130.2068/+30.8550+130.2200/+30.8400+130.2396/+30.8400+130.2400/+30.8389+130.2600/+30.8345+130.2800/+30.8200+130.2951/+30.8200+130.3000/+30.8134+130.3200/+30.8000+130.3334/+30.7800+130.3255/+30.7745+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7609+130.2400/+30.7627+130.2200/+30.7675+130.2000/+30.7800+130.1811/+30.7800+130.1800/+30.7804+130.1600/+30.7809+130.1400/+30.7816+130.1200/+30.7830+130.1000/+30.7858+130.0800/+30.7901+130.0600/+30.7969+130.0400/+30.8000+130.0334/+30.8015+130.0200/+30.8040+130.0000/+30.8035+129.9800/+30.8077+129.9600/+30.8139+129.9400/+30.8200+129.9270/+30.8229+129.9200/+30.8348+129.9000/+30.8400+129.8920/+30.8467+129.8800/+30.8527+129.8600/+30.8594+129.8400/+30.8600+129.8376/+30.8652+129.8200/+30.8738+129.8000/+30.8800+129.7889/+30.8860+129.7800/+30.8986+129.7600/+30.9000+129.7580/+30.9092+129.7600/+30.9200+129.7643/+30.9309+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7865+130.2800/+30.8000+130.2630/+30.8136+130.2800/ 北西 3 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 +30.8605+130.2200/+30.8600+130.2214/+30.8563+130.2400/+30.8415+130.2600/+30.8400+130.2615/+30.8264+130.2800/+30.8200+130.2868/+30.8199+130.3000/+30.8036+130.3200/+30.8000+130.3236/+30.7922+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2543/+30.7468+130.2400/+30.7426+130.2200/+30.7417+130.2000/+30.7415+130.1800/+30.7414+130.1600/+30.7414+130.1400/+30.7411+130.1200/+30.7407+130.1000/+30.7405+130.0800/+30.7406+130.0600/+30.7400+130.0400/+30.7400+130.0399/+30.7365+130.0200/+30.7374+130.0000/+30.7303+129.9800/+30.7319+129.9600/+30.7342+129.9400/+30.7375+129.9200/+30.7389+129.9000/+30.7368+129.8800/+30.7400+129.8614/+30.7403+129.8600/+30.7455+129.8400/+30.7473+129.8200/+30.7494+129.8000/+30.7562+129.7800/+30.7600+129.7671/+30.7618+129.7600/+30.7667+129.7400/+30.7723+129.7200/+30.7794+129.7000/+30.7800+129.6979/+30.7859+129.6800/+30.7940+129.6600/+30.8000+129.6476/+30.8095+129.6600/+30.8192+129.6800/+30.8200+129.6822/+30.8253+129.7000/+30.8317+129.7200/+30.8361+129.7400/+30.8387+129.7600/+30.8400+129.7773/+30.8402+129.7800/+30.8426+129.8000/+30.8400+129.8162/+30.8396+129.8200/+30.8379+129.8400/+30.8372+129.8600/+30.8367+129.8800/+30.8353+129.9000/+30.8356+129.9200/+30.8363+129.9400/+30.8364+129.9600/+30.8361+129.9800/+30.8325+130.0000/+30.8319+130.0200/+30.8296+130.0400/+30.8289+130.0600/+30.8263+130.0800/+30.8242+130.1000/+30.8234+130.1200/+30.8200+130.1289/+30.8198+130.1400/+30.8197+130.1600/+30.8197+130.1800/+30.8198+130.2000/+30.8199+130.2200/+30.8200+130.2324/+30.8400+130.2210/+30.8551+130.2200/+30.8600+130.2195/+30.8605+130.2200/ 西 60 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+130.3143/+30.7657+130.3000/+30.7669+130.2800/+30.7800+130.2626/+30.8000+130.2612/+30.8144+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 +30.8061+130.2400/+30.8194+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3199/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2797/+30.7406+130.2600/+30.7402+130.2400/+30.7401+130.2200/+30.7400+130.2150/+30.7255+130.2000/+30.7212+130.1800/+30.7206+130.1600/+30.7201+130.1400/+30.7200+130.1393/+30.7045+130.1200/+30.7021+130.1000/+30.7011+130.0800/+30.7000+130.0677/+30.6940+130.0600/+30.6865+130.0400/+30.6800+130.0273/+30.6728+130.0200/+30.6691+130.0000/+30.6669+129.9800/+30.6655+129.9600/+30.6644+129.9400/+30.6632+129.9200/+30.6600+129.9120/+30.6514+129.9000/+30.6509+129.8800/+30.6508+129.8600/+30.6506+129.8400/+30.6511+129.8200/+30.6500+129.8000/+30.6492+129.7800/+30.6483+129.7600/+30.6494+129.7400/+30.6533+129.7200/+30.6583+129.7000/+30.6600+129.6951/+30.6678+129.6800/+30.6800+129.6602/+30.6802+129.6600/+30.6935+129.6400/+30.7000+129.6316/+30.7030+129.6400/+30.7096+129.6600/+30.7153+129.6800/+30.7198+129.7000/+30.7200+129.7006/+30.7251+129.7200/+30.7294+129.7400/+30.7334+129.7600/+30.7375+129.7800/+30.7400+129.7873/+30.7433+129.8000/+30.7458+129.8200/+30.7478+129.8400/+30.7510+129.8600/+30.7532+129.8800/+30.7557+129.9000/+30.7571+129.9200/+30.7600+129.9362/+30.7611+129.9400/+30.7660+129.9600/+30.7692+129.9800/+30.7608+130.0000/+30.7677+130.0200/+30.7700+130.0400/+30.7745+130.0600/+30.7772+130.0800/+30.7788+130.1000/+30.7797+130.1200/+30.7800+130.1254/+30.7881+130.1400/+30.7957+130.1600/+30.7986+130.1800/+30.7996+130.2000/+30.7999+130.2200/+30.8000+130.2333/+30.8061+130.2400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8143+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7620+130.3000/+30.7650+130.2800/+30.7800+130.2612/+30.8000+130.2624/+30.8143+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 +30.8112+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8096+130.3200/+30.8000+130.3296/+30.7800+130.3279/+30.7721+130.3200/+30.7601+130.3000/+30.7600+130.2995/+30.7406+130.2800/+30.7401+130.2600/+30.7400+130.2576/+30.7226+130.2400/+30.7204+130.2200/+30.7200+130.2151/+30.7054+130.2000/+30.7010+130.1800/+30.7000+130.1725/+30.6887+130.1600/+30.6821+130.1400/+30.6800+130.1275/+30.6729+130.1200/+30.6632+130.1000/+30.6600+130.0830/+30.6575+130.0800/+30.6464+130.0600/+30.6400+130.0518/+30.6268+130.0400/+30.6202+130.0200/+30.6200+130.0192/+30.6115+130.0000/+30.6068+129.9800/+30.6014+129.9600/+30.6000+129.9555/+30.5849+129.9400/+30.5800+129.9283/+30.5774+129.9200/+30.5723+129.9000/+30.5675+129.8800/+30.5633+129.8600/+30.5600+129.8487/+30.5550+129.8400/+30.5463+129.8200/+30.5400+129.8090/+30.5360+129.8000/+30.5338+129.7800/+30.5314+129.7600/+30.5305+129.7400/+30.5315+129.7200/+30.5331+129.7000/+30.5400+129.6838/+30.5600+129.6958/+30.5616+129.7000/+30.5700+129.7200/+30.5800+129.7374/+30.5818+129.7400/+30.6000+129.7567/+30.6023+129.7600/+30.6151+129.7800/+30.6200+129.7904/+30.6238+129.8000/+30.6317+129.8200/+30.6400+129.8369/+30.6419+129.8400/+30.6570+129.8600/+30.6600+129.8667/+30.6645+129.8800/+30.6732+129.9000/+30.6800+129.9192/+30.6804+129.9200/+30.6921+129.9400/+30.7000+129.9589/+30.7006+129.9600/+30.7093+129.9800/+30.7143+130.0000/+30.7147+130.0200/+30.7196+130.0400/+30.7200+130.0413/+30.7335+130.0600/+30.7380+130.0800/+30.7400+130.0943/+30.7447+130.1000/+30.7569+130.1200/+30.7593+130.1400/+30.7600+130.1438/+30.7747+130.1600/+30.7790+130.1800/+30.7799+130.2000/+30.7800+130.2005/+30.7987+130.2200/+30.7998+130.2400/+30.8000+130.2488/+30.8112+130.2600/ 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/+30.7645+130.2800/+30.7800+130.2633/+30.7938+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 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/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3332/+30.7668+130.3200/+30.7600+130.3172/+30.7428+130.3000/+30.7401+130.2800/+30.7400+130.2797/+30.7205+130.2600/+30.7200+130.2572/+30.7030+130.2400/+30.7000+130.2257/+30.6944+130.2200/+30.6806+130.2000/+30.6800+130.1983/+30.6631+130.1800/+30.6600+130.1708/+30.6499+130.1600/+30.6406+130.1400/+30.6400+130.1385/+30.6233+130.1200/+30.6200+130.1124/+30.6098+130.1000/+30.6000+130.0897/+30.5854+130.0800/+30.5800+130.0726/+30.5709+130.0600/+30.5613+130.0400/+30.5600+130.0377/+30.5480+130.0200/+30.5400+130.0092/+30.5316+130.0000/+30.5230+129.9800/+30.5200+129.9743/+30.5072+129.9600/+30.5000+129.9499/+30.4937+129.9400/+30.4800+129.9201/+30.4799+129.9200/+30.4702+129.9000/+30.4673+129.8800/+30.4613+129.8600/+30.4600+129.8533/+30.4566+129.8400/+30.4589+129.8200/+30.4600+129.8158/+30.4656+129.8200/+30.4800+129.8218/+30.5000+129.8224/+30.5150+129.8400/+30.5200+129.8474/+30.5289+129.8600/+30.5400+129.8707/+30.5457+129.8800/+30.5600+129.8939/+30.5674+129.9000/+30.5800+129.9163/+30.5819+129.9200/+30.6000+129.9399/+30.6001+129.9400/+30.6142+129.9600/+30.6200+129.9682/+30.6278+129.9800/+30.6400+129.9946/+30.6443+130.0000/+30.6558+130.0200/+30.6597+130.0400/+30.6600+130.0405/+30.6744+130.0600/+30.6800+130.0708/+30.6879+130.0800/+30.6988+130.1000/+30.7000+130.1026/+30.7150+130.1200/+30.7200+130.1318/+30.7274+130.1400/+30.7385+130.1600/+30.7400+130.1645/+30.7544+130.1800/+30.7597+130.2000/+30.7600+130.2005/+30.7787+130.2200/+30.7800+130.2258/+30.7942+130.2400/+30.7998+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+130.3188/+30.7612+130.3000/+30.7703+130.2800/+30.7800+130.2710/+30.7873+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に降灰が予想されます。 　１９日３時から１９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 　１９日０３時から０６時まで　北西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１９日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　　　　　 　 　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。