2026-09-07T11:00:00Z 通常 気象庁本庁 気象庁 2026-09-07T20:00:00+09:00 2026-09-07T21:00:00+09:00 2026-09-08T15:00:00+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、７日２１時から２４時までは火口から南西方向、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 2026-09-07T21:00:00+09:00 2026-09-08T00:00:00+09:00 降灰 70 +30.8194+130.2800/+30.8199+130.3000/+30.8147+130.3200/+30.8000+130.3347/+30.7800+130.3341/+30.7659+130.3200/+30.7600+130.3196/+30.7404+130.3000/+30.7400+130.2990/+30.7209+130.2800/+30.7200+130.2784/+30.7014+130.2600/+30.7000+130.2578/+30.6818+130.2400/+30.6800+130.2375/+30.6623+130.2200/+30.6600+130.2170/+30.6419+130.2000/+30.6400+130.1974/+30.6224+130.1800/+30.6200+130.1764/+30.6045+130.1600/+30.6000+130.1513/+30.5902+130.1400/+30.5800+130.1283/+30.5646+130.1200/+30.5600+130.1173/+30.5489+130.1000/+30.5400+130.0850/+30.5334+130.0800/+30.5200+130.0672/+30.5099+130.0600/+30.5000+130.0506/+30.4937+130.0400/+30.4800+130.0216/+30.4776+130.0200/+30.4600+130.0013/+30.4592+130.0000/+30.4457+129.9800/+30.4400+129.9713/+30.4302+129.9600/+30.4223+129.9400/+30.4200+129.9274/+30.4171+129.9200/+30.4000+129.9091/+30.3910+129.9000/+30.4000+129.8882/+30.4200+129.8928/+30.4400+129.8959/+30.4480+129.9000/+30.4600+129.9063/+30.4800+129.9170/+30.4847+129.9200/+30.5000+129.9275/+30.5169+129.9400/+30.5200+129.9420/+30.5370+129.9600/+30.5400+129.9623/+30.5600+129.9773/+30.5625+129.9800/+30.5800+129.9991/+30.5809+130.0000/+30.5970+130.0200/+30.6000+130.0244/+30.6154+130.0400/+30.6200+130.0431/+30.6323+130.0600/+30.6390+130.0800/+30.6400+130.0811/+30.6579+130.1000/+30.6600+130.1023/+30.6768+130.1200/+30.6800+130.1240/+30.6952+130.1400/+30.7000+130.1463/+30.7136+130.1600/+30.7200+130.1703/+30.7291+130.1800/+30.7400+130.1980/+30.7418+130.2000/+30.7595+130.2200/+30.7600+130.2205/+30.7792+130.2400/+30.7800+130.2407/+30.7992+130.2600/+30.8000+130.2606/+30.8194+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+130.3185/+30.7615+130.3000/+30.7675+130.2800/+30.7800+130.2680/+30.7899+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 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 +30.8192+130.2800/+30.8198+130.3000/+30.8142+130.3200/+30.8000+130.3342/+30.7800+130.3345/+30.7655+130.3200/+30.7600+130.3198/+30.7400+130.3071/+30.7329+130.3000/+30.7200+130.2972/+30.7022+130.2800/+30.7000+130.2787/+30.6800+130.2659/+30.6737+130.2600/+30.6600+130.2536/+30.6444+130.2400/+30.6400+130.2368/+30.6202+130.2200/+30.6200+130.2197/+30.6000+130.2022/+30.5973+130.2000/+30.5800+130.1848/+30.5742+130.1800/+30.5600+130.1661/+30.5500+130.1600/+30.5400+130.1522/+30.5275+130.1400/+30.5200+130.1303/+30.5114+130.1200/+30.5000+130.1047/+30.4960+130.1000/+30.4836+130.0800/+30.4800+130.0760/+30.4600+130.0605/+30.4595+130.0600/+30.4452+130.0400/+30.4400+130.0326/+30.4270+130.0200/+30.4200+130.0106/+30.4132+130.0000/+30.4069+129.9800/+30.4000+129.9692/+30.3917+129.9600/+30.3818+129.9400/+30.3800+129.9318/+30.3759+129.9200/+30.3600+129.9029/+30.3576+129.9000/+30.3600+129.8973/+30.3800+129.8926/+30.4000+129.8904/+30.4104+129.9000/+30.4200+129.9144/+30.4283+129.9200/+30.4400+129.9243/+30.4600+129.9329/+30.4685+129.9400/+30.4800+129.9468/+30.4942+129.9600/+30.5000+129.9638/+30.5200+129.9754/+30.5305+129.9800/+30.5400+129.9872/+30.5497+130.0000/+30.5600+130.0086/+30.5727+130.0200/+30.5800+130.0280/+30.5872+130.0400/+30.6000+130.0507/+30.6149+130.0600/+30.6192+130.0800/+30.6200+130.0807/+30.6380+130.1000/+30.6400+130.1021/+30.6580+130.1200/+30.6600+130.1221/+30.6771+130.1400/+30.6800+130.1420/+30.6992+130.1600/+30.7000+130.1608/+30.7200+130.1688/+30.7294+130.1800/+30.7400+130.1931/+30.7442+130.2000/+30.7600+130.2198/+30.7602+130.2200/+30.7778+130.2400/+30.7800+130.2415/+30.7982+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/+30.7609+130.3000/+30.7638+130.2800/+30.7800+130.2645/+30.7930+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T03:00:00+09:00 2026-09-08T06:00:00+09:00 降灰 70 +30.8188+130.2800/+30.8198+130.3000/+30.8161+130.3200/+30.8000+130.3361/+30.7800+130.3379/+30.7619+130.3200/+30.7600+130.3199/+30.7400+130.3193/+30.7200+130.3142/+30.7041+130.3000/+30.7000+130.2990/+30.6800+130.2950/+30.6600+130.2829/+30.6559+130.2800/+30.6400+130.2752/+30.6200+130.2624/+30.6163+130.2600/+30.6000+130.2504/+30.5868+130.2400/+30.5800+130.2346/+30.5600+130.2243/+30.5524+130.2200/+30.5400+130.2044/+30.5342+130.2000/+30.5200+130.1908/+30.5090+130.1800/+30.5000+130.1676/+30.4949+130.1600/+30.4800+130.1408/+30.4786+130.1400/+30.4600+130.1266/+30.4543+130.1200/+30.4400+130.1075/+30.4293+130.1000/+30.4200+130.0915/+30.4103+130.0800/+30.4000+130.0692/+30.3852+130.0600/+30.3800+130.0528/+30.3710+130.0400/+30.3600+130.0250/+30.3545+130.0200/+30.3400+130.0092/+30.3287+130.0000/+30.3400+129.9888/+30.3600+129.9832/+30.3800+129.9831/+30.4000+129.9831/+30.4200+129.9902/+30.4400+129.9992/+30.4409+130.0000/+30.4600+130.0078/+30.4800+130.0145/+30.4915+130.0200/+30.5000+130.0255/+30.5128+130.0400/+30.5200+130.0440/+30.5400+130.0541/+30.5491+130.0600/+30.5600+130.0667/+30.5785+130.0800/+30.5800+130.0809/+30.5943+130.1000/+30.6000+130.1041/+30.6173+130.1200/+30.6200+130.1218/+30.6400+130.1365/+30.6435+130.1400/+30.6600+130.1526/+30.6675+130.1600/+30.6800+130.1656/+30.6948+130.1800/+30.7000+130.1833/+30.7166+130.2000/+30.7200+130.2019/+30.7381+130.2200/+30.7400+130.2208/+30.7594+130.2400/+30.7600+130.2402/+30.7800+130.2501/+30.7899+130.2600/+30.8000+130.2612/+30.8188+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+130.3188/+30.7607+130.3000/+30.7650+130.2800/+30.7800+130.2687/+30.7913+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 +30.8175+130.2800/+30.8198+130.3000/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3391/+30.7600+130.3315/+30.7483+130.3200/+30.7400+130.3198/+30.7200+130.3191/+30.7000+130.3166/+30.6800+130.3094/+30.6668+130.3000/+30.6600+130.2987/+30.6400+130.2958/+30.6200+130.2903/+30.6035+130.2800/+30.6000+130.2778/+30.5800+130.2646/+30.5714+130.2600/+30.5600+130.2527/+30.5400+130.2422/+30.5355+130.2400/+30.5200+130.2312/+30.5104+130.2200/+30.5000+130.2121/+30.4828+130.2000/+30.4800+130.1979/+30.4600+130.1818/+30.4576+130.1800/+30.4400+130.1646/+30.4340+130.1600/+30.4200+130.1535/+30.4000+130.1402/+30.3996+130.1400/+30.3800+130.1267/+30.3700+130.1200/+30.3600+130.1117/+30.3449+130.1000/+30.3400+130.0870/+30.3353+130.0800/+30.3200+130.0647/+30.3130+130.0600/+30.3200+130.0516/+30.3400+130.0406/+30.3600+130.0434/+30.3800+130.0497/+30.4000+130.0502/+30.4200+130.0575/+30.4320+130.0600/+30.4400+130.0615/+30.4600+130.0707/+30.4732+130.0800/+30.4800+130.0820/+30.5000+130.0899/+30.5135+130.1000/+30.5200+130.1026/+30.5400+130.1094/+30.5599+130.1200/+30.5600+130.1200/+30.5775+130.1400/+30.5800+130.1414/+30.6000+130.1476/+30.6140+130.1600/+30.6200+130.1627/+30.6400+130.1783/+30.6417+130.1800/+30.6600+130.1849/+30.6777+130.2000/+30.6800+130.2007/+30.7000+130.2093/+30.7104+130.2200/+30.7200+130.2218/+30.7394+130.2400/+30.7400+130.2401/+30.7600+130.2422/+30.7781+130.2600/+30.7800+130.2601/+30.8000+130.2625/+30.8175+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+130.3188/+30.7605+130.3000/+30.7651+130.2800/+30.7800+130.2695/+30.7905+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 +30.8057+130.2800/+30.8198+130.3000/+30.8188+130.3200/+30.8000+130.3388/+30.7800+130.3398/+30.7600+130.3398/+30.7400+130.3395/+30.7200+130.3391/+30.7000+130.3388/+30.6800+130.3386/+30.6600+130.3383/+30.6400+130.3352/+30.6200+130.3290/+30.6000+130.3239/+30.5938+130.3200/+30.5800+130.3158/+30.5600+130.3136/+30.5400+130.3039/+30.5231+130.3000/+30.5200+130.2994/+30.5000+130.2902/+30.4876+130.2800/+30.4800+130.2746/+30.4600+130.2649/+30.4528+130.2600/+30.4400+130.2503/+30.4267+130.2400/+30.4200+130.2340/+30.4045+130.2200/+30.4000+130.2157/+30.3800+130.2044/+30.3738+130.2000/+30.3600+130.1898/+30.3456+130.1800/+30.3400+130.1742/+30.3200+130.1629/+30.3150+130.1600/+30.3142+130.1400/+30.3200+130.1377/+30.3400+130.1325/+30.3600+130.1321/+30.3800+130.1355/+30.4000+130.1390/+30.4200+130.1394/+30.4400+130.1396/+30.4419+130.1400/+30.4600+130.1430/+30.4800+130.1513/+30.4953+130.1600/+30.5000+130.1615/+30.5200+130.1667/+30.5400+130.1719/+30.5497+130.1800/+30.5600+130.1848/+30.5800+130.1897/+30.6000+130.1973/+30.6041+130.2000/+30.6200+130.2034/+30.6400+130.2115/+30.6504+130.2200/+30.6600+130.2219/+30.6800+130.2252/+30.6995+130.2400/+30.7000+130.2401/+30.7200+130.2411/+30.7400+130.2460/+30.7546+130.2600/+30.7600+130.2601/+30.7800+130.2604/+30.8000+130.2743/+30.8057+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+130.3190/+30.7603+130.3000/+30.7714+130.2800/+30.7800+130.2760/+30.7840+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/+30.8195+130.3200/+30.8000+130.3395/+30.7800+130.3400/+30.7792+130.3400/+30.7600+130.3590/+30.7400+130.3598/+30.7374+130.3600/+30.7200+130.3765/+30.7000+130.3792/+30.6939+130.3800/+30.6800+130.3920/+30.6600+130.3978/+30.6472+130.4000/+30.6400+130.4052/+30.6200+130.4137/+30.6000+130.4157/+30.5800+130.4169/+30.5662+130.4200/+30.5600+130.4227/+30.5400+130.4291/+30.5200+130.4275/+30.5000+130.4250/+30.4800+130.4210/+30.4600+130.4232/+30.4400+130.4232/+30.4293+130.4200/+30.4200+130.4172/+30.4000+130.4109/+30.3852+130.4000/+30.3800+130.3954/+30.3600+130.3807/+30.3589+130.3800/+30.3407+130.3600/+30.3400+130.3487/+30.3381+130.3400/+30.3400+130.3386/+30.3580+130.3200/+30.3600+130.3188/+30.3800+130.3171/+30.4000+130.3155/+30.4200+130.3117/+30.4400+130.3109/+30.4600+130.3070/+30.4800+130.3028/+30.4985+130.3000/+30.5000+130.2998/+30.5200+130.2955/+30.5400+130.2965/+30.5600+130.2941/+30.5800+130.2897/+30.6000+130.2873/+30.6200+130.2848/+30.6400+130.2832/+30.6600+130.2824/+30.6800+130.2817/+30.7000+130.2810/+30.7200+130.2806/+30.7400+130.2802/+30.7600+130.2801/+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/+30.7917+130.3200/+30.7800+130.3317/+30.7642+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 　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、７日２１時から２４時までは火口から南西方向、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。 　７日２１時から８日１５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 　０７日２１時から２４時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日００時から０３時まで　南西　　　　　　６０ｋｍ　　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　　　　　 　 　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。