2026-09-07T14:00:00Z 通常 気象庁本庁 気象庁 2026-09-07T23:00:00+09:00 2026-09-08T00:00:00+09:00 2026-09-08T18:00:00+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 2026-09-08T00:00:00+09:00 2026-09-08T03:00:00+09:00 降灰 70 +30.8193+130.2800/+30.8199+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3364/+30.7636+130.3200/+30.7600+130.3199/+30.7400+130.3152/+30.7248+130.3000/+30.7200+130.2986/+30.7001+130.2800/+30.7000+130.2799/+30.6800+130.2748/+30.6631+130.2600/+30.6600+130.2580/+30.6400+130.2469/+30.6313+130.2400/+30.6200+130.2325/+30.6038+130.2200/+30.6000+130.2164/+30.5829+130.2000/+30.5800+130.1968/+30.5623+130.1800/+30.5600+130.1710/+30.5522+130.1600/+30.5400+130.1506/+30.5294+130.1400/+30.5200+130.1235/+30.5177+130.1200/+30.5061+130.1000/+30.5000+130.0929/+30.4879+130.0800/+30.4800+130.0656/+30.4753+130.0600/+30.4630+130.0400/+30.4600+130.0349/+30.4516+130.0200/+30.4410+130.0000/+30.4400+129.9977/+30.4280+129.9800/+30.4200+129.9646/+30.4175+129.9600/+30.4153+129.9400/+30.4200+129.9317/+30.4340+129.9200/+30.4400+129.9174/+30.4526+129.9200/+30.4600+129.9212/+30.4800+129.9279/+30.4949+129.9400/+30.5000+129.9458/+30.5106+129.9600/+30.5200+129.9671/+30.5400+129.9800/+30.5574+130.0000/+30.5600+130.0018/+30.5800+130.0188/+30.5812+130.0200/+30.5952+130.0400/+30.6000+130.0438/+30.6200+130.0567/+30.6228+130.0600/+30.6318+130.0800/+30.6400+130.0874/+30.6545+130.1000/+30.6600+130.1065/+30.6720+130.1200/+30.6800+130.1282/+30.6962+130.1400/+30.7000+130.1432/+30.7134+130.1600/+30.7200+130.1722/+30.7266+130.1800/+30.7400+130.1933/+30.7446+130.2000/+30.7599+130.2200/+30.7600+130.2201/+30.7782+130.2400/+30.7800+130.2412/+30.7982+130.2600/+30.8000+130.2607/+30.8193+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+130.3187/+30.7610+130.3000/+30.7652+130.2800/+30.7800+130.2655/+30.7924+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T03:00:00+09:00 2026-09-08T06:00:00+09:00 降灰 70 +30.8192+130.2800/+30.8198+130.3000/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3378/+30.7619+130.3200/+30.7600+130.3199/+30.7400+130.3194/+30.7200+130.3148/+30.7023+130.3000/+30.7000+130.2994/+30.6800+130.2952/+30.6600+130.2851/+30.6532+130.2800/+30.6400+130.2746/+30.6200+130.2637/+30.6146+130.2600/+30.6000+130.2495/+30.5863+130.2400/+30.5800+130.2349/+30.5659+130.2200/+30.5600+130.2114/+30.5400+130.2059/+30.5334+130.2000/+30.5200+130.1842/+30.5160+130.1800/+30.5000+130.1624/+30.4981+130.1600/+30.4871+130.1400/+30.4800+130.1310/+30.4689+130.1200/+30.4600+130.1136/+30.4428+130.1000/+30.4400+130.0974/+30.4207+130.0800/+30.4200+130.0790/+30.4059+130.0600/+30.4000+130.0506/+30.3877+130.0400/+30.3800+130.0293/+30.3716+130.0200/+30.3600+130.0101/+30.3476+130.0000/+30.3600+129.9845/+30.3800+129.9817/+30.4000+129.9807/+30.4200+129.9903/+30.4390+130.0000/+30.4400+130.0004/+30.4600+130.0084/+30.4800+130.0134/+30.4957+130.0200/+30.5000+130.0222/+30.5200+130.0379/+30.5214+130.0400/+30.5400+130.0500/+30.5579+130.0600/+30.5600+130.0612/+30.5800+130.0730/+30.5882+130.0800/+30.5989+130.1000/+30.6000+130.1006/+30.6200+130.1094/+30.6311+130.1200/+30.6400+130.1274/+30.6526+130.1400/+30.6600+130.1438/+30.6788+130.1600/+30.6800+130.1606/+30.7000+130.1783/+30.7012+130.1800/+30.7200+130.1992/+30.7208+130.2000/+30.7400+130.2123/+30.7472+130.2200/+30.7600+130.2305/+30.7691+130.2400/+30.7800+130.2435/+30.7964+130.2600/+30.8000+130.2608/+30.8192+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/+30.7607+130.3000/+30.7642+130.2800/+30.7800+130.2650/+30.7930+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T06:00:00+09:00 2026-09-08T09:00:00+09:00 降灰 70 +30.8179+130.2800/+30.8198+130.3000/+30.8174+130.3200/+30.8000+130.3374/+30.7800+130.3390/+30.7602+130.3200/+30.7600+130.3200/+30.7400+130.3198/+30.7200+130.3190/+30.7000+130.3153/+30.6800+130.3010/+30.6787+130.3000/+30.6600+130.2981/+30.6400+130.2947/+30.6200+130.2849/+30.6105+130.2800/+30.6000+130.2772/+30.5800+130.2652/+30.5600+130.2630/+30.5540+130.2600/+30.5400+130.2515/+30.5200+130.2430/+30.5155+130.2400/+30.5000+130.2296/+30.4896+130.2200/+30.4800+130.2066/+30.4735+130.2000/+30.4600+130.1883/+30.4500+130.1800/+30.4400+130.1706/+30.4263+130.1600/+30.4200+130.1559/+30.4006+130.1400/+30.4000+130.1394/+30.3800+130.1274/+30.3688+130.1200/+30.3600+130.1136/+30.3408+130.1000/+30.3400+130.0948/+30.3369+130.0800/+30.3294+130.0600/+30.3400+130.0522/+30.3600+130.0504/+30.3800+130.0547/+30.4000+130.0534/+30.4196+130.0600/+30.4200+130.0601/+30.4400+130.0643/+30.4600+130.0767/+30.4636+130.0800/+30.4800+130.0875/+30.5000+130.0983/+30.5022+130.1000/+30.5200+130.1061/+30.5400+130.1168/+30.5458+130.1200/+30.5600+130.1258/+30.5732+130.1400/+30.5800+130.1439/+30.5997+130.1600/+30.6000+130.1601/+30.6200+130.1655/+30.6369+130.1800/+30.6400+130.1811/+30.6600+130.1864/+30.6754+130.2000/+30.6800+130.2012/+30.7000+130.2124/+30.7076+130.2200/+30.7200+130.2223/+30.7385+130.2400/+30.7400+130.2402/+30.7600+130.2428/+30.7773+130.2600/+30.7800+130.2601/+30.8000+130.2621/+30.8179+130.2800/ 南西 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/+30.7800+130.3187/+30.7606+130.3000/+30.7682+130.2800/+30.7800+130.2719/+30.7881+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T09:00:00+09:00 2026-09-08T12:00:00+09:00 降灰 70 +30.8155+130.2800/+30.8199+130.3000/+30.8186+130.3200/+30.8000+130.3386/+30.7800+130.3397/+30.7600+130.3394/+30.7400+130.3383/+30.7200+130.3359/+30.7000+130.3321/+30.6800+130.3275/+30.6600+130.3202/+30.6592+130.3200/+30.6400+130.3175/+30.6200+130.3106/+30.6009+130.3000/+30.6000+130.2997/+30.5800+130.2921/+30.5633+130.2800/+30.5600+130.2778/+30.5400+130.2692/+30.5200+130.2619/+30.5170+130.2600/+30.5000+130.2504/+30.4867+130.2400/+30.4800+130.2345/+30.4624+130.2200/+30.4600+130.2184/+30.4400+130.2047/+30.4339+130.2000/+30.4200+130.1897/+30.4072+130.1800/+30.4000+130.1744/+30.3800+130.1652/+30.3715+130.1600/+30.3610+130.1400/+30.3632+130.1200/+30.3800+130.1065/+30.4000+130.1063/+30.4200+130.1091/+30.4400+130.1117/+30.4571+130.1200/+30.4600+130.1210/+30.4800+130.1246/+30.5000+130.1298/+30.5200+130.1365/+30.5274+130.1400/+30.5400+130.1441/+30.5564+130.1600/+30.5600+130.1615/+30.5800+130.1679/+30.6000+130.1791/+30.6011+130.1800/+30.6200+130.1847/+30.6400+130.1964/+30.6442+130.2000/+30.6600+130.2034/+30.6800+130.2189/+30.6812+130.2200/+30.7000+130.2223/+30.7199+130.2400/+30.7200+130.2400/+30.7400+130.2412/+30.7599+130.2600/+30.7600+130.2600/+30.7800+130.2602/+30.8000+130.2645/+30.8155+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/+30.7605+130.3000/+30.7783+130.2800/+30.7800+130.2790/+30.7810+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T12:00:00+09:00 2026-09-08T15:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3399/+30.7639+130.3400/+30.7600+130.3439/+30.7400+130.3578/+30.7200+130.3588/+30.7000+130.3597/+30.6954+130.3600/+30.6800+130.3696/+30.6600+130.3741/+30.6400+130.3753/+30.6200+130.3763/+30.6000+130.3766/+30.5800+130.3790/+30.5704+130.3800/+30.5600+130.3817/+30.5546+130.3800/+30.5400+130.3745/+30.5200+130.3769/+30.5000+130.3721/+30.4800+130.3620/+30.4737+130.3600/+30.4600+130.3560/+30.4400+130.3492/+30.4200+130.3423/+30.4124+130.3400/+30.4000+130.3356/+30.3800+130.3241/+30.3738+130.3200/+30.3600+130.3039/+30.3539+130.3000/+30.3494+130.2800/+30.3600+130.2684/+30.3800+130.2655/+30.4000+130.2619/+30.4040+130.2600/+30.4200+130.2538/+30.4400+130.2491/+30.4600+130.2419/+30.4656+130.2400/+30.4800+130.2310/+30.5000+130.2380/+30.5200+130.2353/+30.5342+130.2200/+30.5400+130.2169/+30.5600+130.2169/+30.5800+130.2133/+30.6000+130.2107/+30.6200+130.2110/+30.6400+130.2197/+30.6406+130.2200/+30.6600+130.2245/+30.6800+130.2351/+30.6894+130.2400/+30.7000+130.2419/+30.7200+130.2458/+30.7399+130.2600/+30.7400+130.2600/+30.7600+130.2622/+30.7800+130.2641/+30.7963+130.2800/+30.8000+130.2802/+30.8198+130.3000/ +30.5409+130.2400/+30.5400+130.2402/+30.5372+130.2400/+30.5400+130.2378/+30.5409+130.2400/ 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+130.3198/+30.7603+130.3000/+30.7800+130.2811/+30.8000+130.2812/+30.8188+130.3000/ 南西 2 鹿児島県三島村 4630300 2026-09-08T15:00:00+09:00 2026-09-08T18:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8196+130.3200/+30.8000+130.3396/+30.7800+130.3400/+30.7798+130.3400/+30.7600+130.3597/+30.7443+130.3600/+30.7400+130.3643/+30.7200+130.3793/+30.7117+130.3800/+30.7000+130.3916/+30.6800+130.3990/+30.6753+130.4000/+30.6600+130.4147/+30.6400+130.4199/+30.6396+130.4200/+30.6200+130.4367/+30.6106+130.4400/+30.6000+130.4493/+30.5800+130.4573/+30.5739+130.4600/+30.5600+130.4796/+30.5595+130.4800/+30.5400+130.4938/+30.5247+130.5000/+30.5200+130.5025/+30.5000+130.5099/+30.4800+130.5185/+30.4600+130.5154/+30.4400+130.5116/+30.4243+130.5000/+30.4200+130.4961/+30.4059+130.4800/+30.4000+130.4740/+30.3839+130.4600/+30.3800+130.4560/+30.3666+130.4400/+30.3600+130.4232/+30.3585+130.4200/+30.3500+130.4000/+30.3600+130.3906/+30.3800+130.3849/+30.4000+130.3809/+30.4200+130.3830/+30.4400+130.3872/+30.4600+130.3855/+30.4800+130.3821/+30.4846+130.3800/+30.5000+130.3715/+30.5200+130.3627/+30.5291+130.3600/+30.5400+130.3570/+30.5600+130.3504/+30.5800+130.3447/+30.5952+130.3400/+30.6000+130.3370/+30.6200+130.3276/+30.6400+130.3226/+30.6534+130.3200/+30.6600+130.3160/+30.6800+130.3063/+30.7000+130.3018/+30.7200+130.3003/+30.7230+130.3000/+30.7400+130.2848/+30.7600+130.2802/+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/+30.7949+130.3200/+30.7800+130.3349/+30.7621+130.3200/+30.7605+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 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、８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。 　８日０時から８日１８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００時から０３時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日０３時から０６時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日０６時から０９時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日０９時から１２時まで　南　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１２時から１５時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０８日１５時から１８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。