2026-09-19T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T17:00:00+09:00 2026-09-19T18:00:00+09:00 2026-09-20T12:00:00+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、２０日０９時から１２時までは火口から南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 2026-09-19T18:00:00+09:00 2026-09-19T21:00:00+09:00 降灰 70 +30.8196+130.2800/+30.8199+130.3000/+30.8087+130.3200/+30.8000+130.3287/+30.7800+130.3269/+30.7731+130.3200/+30.7600+130.3160/+30.7440+130.3000/+30.7401+130.2800/+30.7400+130.2795/+30.7207+130.2600/+30.7200+130.2550/+30.7052+130.2400/+30.7002+130.2200/+30.7000+130.2193/+30.6818+130.2000/+30.6800+130.1930/+30.6678+130.1800/+30.6608+130.1600/+30.6600+130.1575/+30.6438+130.1400/+30.6400+130.1288/+30.6321+130.1200/+30.6213+130.1000/+30.6200+130.0965/+30.6027+130.0800/+30.6000+130.0751/+30.5847+130.0600/+30.5800+130.0523/+30.5728+130.0400/+30.5619+130.0200/+30.5600+130.0164/+30.5436+130.0000/+30.5400+129.9944/+30.5326+129.9800/+30.5265+129.9600/+30.5200+129.9451/+30.5138+129.9400/+30.5003+129.9200/+30.5000+129.9190/+30.4901+129.9000/+30.4813+129.8800/+30.4800+129.8768/+30.4733+129.8600/+30.4676+129.8400/+30.4600+129.8237/+30.4573+129.8200/+30.4400+129.8026/+30.4384+129.8000/+30.4379+129.7800/+30.4371+129.7600/+30.4400+129.7503/+30.4600+129.7550/+30.4629+129.7600/+30.4796+129.7800/+30.4800+129.7802/+30.5000+129.7886/+30.5091+129.8000/+30.5200+129.8174/+30.5216+129.8200/+30.5345+129.8400/+30.5400+129.8461/+30.5495+129.8600/+30.5600+129.8719/+30.5665+129.8800/+30.5800+129.8921/+30.5855+129.9000/+30.5940+129.9200/+30.6000+129.9272/+30.6113+129.9400/+30.6200+129.9552/+30.6236+129.9600/+30.6349+129.9800/+30.6400+129.9867/+30.6493+130.0000/+30.6576+130.0200/+30.6594+130.0400/+30.6600+130.0411/+30.6754+130.0600/+30.6800+130.0703/+30.6891+130.0800/+30.6982+130.1000/+30.7000+130.1047/+30.7144+130.1200/+30.7200+130.1400/+30.7384+130.1600/+30.7400+130.1661/+30.7538+130.1800/+30.7596+130.2000/+30.7600+130.2010/+30.7788+130.2200/+30.7800+130.2287/+30.7913+130.2400/+30.7998+130.2600/+30.8000+130.2604/+30.8196+130.2800/ 南西 70 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/+30.7647+130.2800/+30.7800+130.2638/+30.7930+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/+30.8133+130.3200/+30.8000+130.3333/+30.7800+130.3327/+30.7673+130.3200/+30.7600+130.3193/+30.7407+130.3000/+30.7400+130.2973/+30.7227+130.2800/+30.7200+130.2736/+30.7064+130.2600/+30.7000+130.2493/+30.6907+130.2400/+30.6800+130.2253/+30.6746+130.2200/+30.6604+130.2000/+30.6600+130.1992/+30.6420+130.1800/+30.6400+130.1768/+30.6228+130.1600/+30.6200+130.1559/+30.6056+130.1400/+30.6000+130.1315/+30.5894+130.1200/+30.5800+130.1132/+30.5642+130.1000/+30.5600+130.0942/+30.5477+130.0800/+30.5400+130.0633/+30.5363+130.0600/+30.5200+130.0405/+30.5195+130.0400/+30.5000+130.0255/+30.4954+130.0200/+30.4848+130.0000/+30.4800+129.9928/+30.4634+129.9800/+30.4600+129.9763/+30.4442+129.9600/+30.4400+129.9517/+30.4323+129.9400/+30.4202+129.9200/+30.4200+129.9197/+30.4001+129.9000/+30.4000+129.8997/+30.3951+129.8800/+30.3865+129.8600/+30.4000+129.8419/+30.4136+129.8600/+30.4200+129.8676/+30.4400+129.8730/+30.4583+129.8800/+30.4600+129.8806/+30.4800+129.8996/+30.4803+129.9000/+30.5000+129.9137/+30.5058+129.9200/+30.5200+129.9298/+30.5358+129.9400/+30.5400+129.9443/+30.5499+129.9600/+30.5600+129.9687/+30.5706+129.9800/+30.5800+129.9896/+30.5903+130.0000/+30.6000+130.0086/+30.6146+130.0200/+30.6200+130.0254/+30.6314+130.0400/+30.6380+130.0600/+30.6400+130.0630/+30.6548+130.0800/+30.6600+130.0871/+30.6724+130.1000/+30.6800+130.1084/+30.6902+130.1200/+30.7000+130.1342/+30.7057+130.1400/+30.7190+130.1600/+30.7200+130.1611/+30.7377+130.1800/+30.7400+130.1840/+30.7556+130.2000/+30.7600+130.2112/+30.7687+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+130.3186/+30.7614+130.3000/+30.7658+130.2800/+30.7800+130.2661/+30.7914+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 +30.8196+130.2800/+30.8199+130.3000/+30.8156+130.3200/+30.8000+130.3356/+30.7800+130.3362/+30.7638+130.3200/+30.7600+130.3198/+30.7400+130.3100/+30.7298+130.3000/+30.7200+130.2955/+30.7035+130.2800/+30.7000+130.2764/+30.6822+130.2600/+30.6800+130.2571/+30.6607+130.2400/+30.6600+130.2389/+30.6442+130.2200/+30.6400+130.2101/+30.6329+130.2000/+30.6200+130.1829/+30.6173+130.1800/+30.6109+130.1600/+30.6009+130.1400/+30.6000+130.1385/+30.5824+130.1200/+30.5800+130.1157/+30.5690+130.1000/+30.5612+130.0800/+30.5600+130.0763/+30.5528+130.0600/+30.5446+130.0400/+30.5400+130.0294/+30.5339+130.0200/+30.5247+130.0000/+30.5200+129.9897/+30.5122+129.9800/+30.5011+129.9600/+30.5000+129.9557/+30.4955+129.9400/+30.4883+129.9200/+30.4841+129.9000/+30.4908+129.8800/+30.5000+129.8689/+30.5125+129.8800/+30.5200+129.8823/+30.5400+129.8922/+30.5474+129.9000/+30.5600+129.9104/+30.5673+129.9200/+30.5800+129.9319/+30.5883+129.9400/+30.6000+129.9512/+30.6064+129.9600/+30.6171+129.9800/+30.6200+129.9836/+30.6350+130.0000/+30.6400+130.0061/+30.6491+130.0200/+30.6565+130.0400/+30.6600+130.0453/+30.6702+130.0600/+30.6800+130.0798/+30.6801+130.0800/+30.6966+130.1000/+30.7000+130.1062/+30.7117+130.1200/+30.7195+130.1400/+30.7200+130.1408/+30.7363+130.1600/+30.7400+130.1684/+30.7511+130.1800/+30.7590+130.2000/+30.7600+130.2020/+30.7774+130.2200/+30.7800+130.2335/+30.7865+130.2400/+30.7997+130.2600/+30.8000+130.2604/+30.8196+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+130.3186/+30.7611+130.3000/+30.7651+130.2800/+30.7800+130.2648/+30.7930+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 +30.8109+130.2800/+30.8198+130.3000/+30.8189+130.3200/+30.8000+130.3389/+30.7800+130.3398/+30.7600+130.3396/+30.7400+130.3387/+30.7200+130.3366/+30.7000+130.3335/+30.6800+130.3280/+30.6655+130.3200/+30.6600+130.3192/+30.6400+130.3169/+30.6200+130.3121/+30.6007+130.3000/+30.6000+130.2997/+30.5800+130.2954/+30.5600+130.2843/+30.5544+130.2800/+30.5400+130.2706/+30.5200+130.2619/+30.5171+130.2600/+30.5000+130.2472/+30.4914+130.2400/+30.4800+130.2287/+30.4692+130.2200/+30.4600+130.2136/+30.4455+130.2000/+30.4400+130.1926/+30.4256+130.1800/+30.4200+130.1743/+30.4076+130.1600/+30.4000+130.1466/+30.3905+130.1400/+30.3800+130.1329/+30.3692+130.1200/+30.3600+130.1015/+30.3576+130.1000/+30.3600+130.0986/+30.3800+130.0930/+30.4000+130.0859/+30.4200+130.0932/+30.4400+130.0961/+30.4542+130.1000/+30.4600+130.1016/+30.4800+130.1097/+30.5000+130.1173/+30.5060+130.1200/+30.5200+130.1251/+30.5400+130.1336/+30.5545+130.1400/+30.5600+130.1418/+30.5800+130.1544/+30.5861+130.1600/+30.6000+130.1684/+30.6200+130.1790/+30.6214+130.1800/+30.6400+130.1856/+30.6586+130.2000/+30.6600+130.2006/+30.6800+130.2082/+30.6938+130.2200/+30.7000+130.2214/+30.7200+130.2293/+30.7312+130.2400/+30.7400+130.2413/+30.7600+130.2542/+30.7658+130.2600/+30.7800+130.2603/+30.8000+130.2691/+30.8109+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+130.3188/+30.7604+130.3000/+30.7724+130.2800/+30.7800+130.2757/+30.7843+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-20T06:00:00+09:00 2026-09-20T09:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3399/+30.7600+130.3399/+30.7400+130.3398/+30.7200+130.3397/+30.7000+130.3397/+30.6800+130.3397/+30.6600+130.3400/+30.6519+130.3400/+30.6400+130.3413/+30.6200+130.3422/+30.6000+130.3412/+30.5937+130.3400/+30.5800+130.3395/+30.5606+130.3400/+30.5600+130.3401/+30.5597+130.3400/+30.5400+130.3383/+30.5200+130.3386/+30.5000+130.3359/+30.4800+130.3305/+30.4600+130.3255/+30.4400+130.3203/+30.4391+130.3200/+30.4200+130.3146/+30.4000+130.3088/+30.3800+130.3028/+30.3713+130.3000/+30.3600+130.2962/+30.3400+130.2808/+30.3382+130.2800/+30.3200+130.2719/+30.3000+130.2636/+30.2912+130.2600/+30.2880+130.2400/+30.3000+130.2354/+30.3200+130.2312/+30.3400+130.2282/+30.3600+130.2253/+30.3800+130.2251/+30.4000+130.2250/+30.4200+130.2244/+30.4400+130.2236/+30.4600+130.2294/+30.4800+130.2309/+30.5000+130.2328/+30.5200+130.2339/+30.5294+130.2400/+30.5400+130.2427/+30.5600+130.2446/+30.5800+130.2477/+30.6000+130.2517/+30.6200+130.2539/+30.6321+130.2600/+30.6400+130.2605/+30.6600+130.2614/+30.6800+130.2617/+30.7000+130.2620/+30.7200+130.2625/+30.7400+130.2646/+30.7600+130.2772/+30.7639+130.2800/+30.7800+130.2800/+30.8000+130.2802/+30.8198+130.3000/ 南 60 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/+30.7824+130.3200/+30.7800+130.3224/+30.7752+130.3200/+30.7604+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 2 鹿児島県三島村 4630300 2026-09-20T09:00:00+09:00 2026-09-20T12:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8195+130.3200/+30.8000+130.3395/+30.7800+130.3399/+30.7600+130.3399/+30.7400+130.3399/+30.7352+130.3400/+30.7200+130.3538/+30.7000+130.3576/+30.6800+130.3586/+30.6600+130.3591/+30.6400+130.3597/+30.6331+130.3600/+30.6200+130.3677/+30.6000+130.3745/+30.5800+130.3766/+30.5600+130.3779/+30.5401+130.3800/+30.5400+130.3800/+30.5200+130.3936/+30.5000+130.3954/+30.4800+130.3976/+30.4600+130.3987/+30.4400+130.3998/+30.4200+130.3949/+30.4000+130.3890/+30.3800+130.3825/+30.3740+130.3800/+30.3600+130.3723/+30.3435+130.3600/+30.3400+130.3444/+30.3382+130.3400/+30.3400+130.3378/+30.3460+130.3200/+30.3600+130.3078/+30.3800+130.3065/+30.4000+130.3054/+30.4200+130.3047/+30.4400+130.3082/+30.4600+130.3068/+30.4800+130.3049/+30.5000+130.3013/+30.5089+130.3000/+30.5200+130.2973/+30.5240+130.3000/+30.5400+130.3031/+30.5600+130.3021/+30.5800+130.3012/+30.6000+130.3007/+30.6200+130.3001/+30.6219+130.3000/+30.6400+130.2905/+30.6600+130.2853/+30.6800+130.2827/+30.7000+130.2810/+30.7200+130.2804/+30.7400+130.2801/+30.7600+130.2800/+30.7800+130.2800/+30.8000+130.2802/+30.8198+130.3000/ 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+130.3200/+30.7604+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南西 2 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、２０日０９時から１２時までは火口から南方向に降灰が予想されます。 　１９日１８時から２０日１２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１８時から２１時まで　南西　　　　　　７０ｋｍ　　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　　　　　 　２０日０６時から０９時まで　南　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２０日０９時から１２時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　 　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。