2026-09-19T05:00:00Z 通常 気象庁本庁 気象庁 2026-09-19T14:00:00+09:00 2026-09-19T15:00:00+09:00 2026-09-20T09:00:00+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 2026-09-19T15:00:00+09:00 2026-09-19T18:00:00+09:00 降灰 70 +30.8198+130.2800/+30.8199+130.3000/+30.8033+130.3200/+30.8000+130.3233/+30.7833+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2996/+30.7404+130.2800/+30.7401+130.2600/+30.7400+130.2591/+30.7211+130.2400/+30.7202+130.2200/+30.7200+130.2182/+30.7023+130.2000/+30.7004+130.1800/+30.7000+130.1777/+30.6836+130.1600/+30.6806+130.1400/+30.6800+130.1366/+30.6655+130.1200/+30.6609+130.1000/+30.6600+130.0958/+30.6470+130.0800/+30.6415+130.0600/+30.6400+130.0566/+30.6223+130.0400/+30.6200+130.0333/+30.6117+130.0200/+30.6061+130.0000/+30.6019+129.9800/+30.6000+129.9739/+30.5825+129.9600/+30.5800+129.9550/+30.5753+129.9400/+30.5709+129.9200/+30.5670+129.9000/+30.5617+129.8800/+30.5600+129.8728/+30.5543+129.8600/+30.5519+129.8400/+30.5471+129.8200/+30.5400+129.8009/+30.5398+129.8000/+30.5366+129.7800/+30.5331+129.7600/+30.5336+129.7400/+30.5400+129.7230/+30.5600+129.7227/+30.5719+129.7400/+30.5800+129.7544/+30.5840+129.7600/+30.6000+129.7740/+30.6036+129.7800/+30.6131+129.8000/+30.6200+129.8134/+30.6223+129.8200/+30.6270+129.8400/+30.6400+129.8581/+30.6419+129.8600/+30.6554+129.8800/+30.6600+129.8868/+30.6663+129.9000/+30.6699+129.9200/+30.6792+129.9400/+30.6800+129.9418/+30.6889+129.9600/+30.6951+129.9800/+30.7000+129.9901/+30.7062+130.0000/+30.7084+130.0200/+30.7152+130.0400/+30.7194+130.0600/+30.7200+130.0622/+30.7323+130.0800/+30.7379+130.1000/+30.7400+130.1086/+30.7486+130.1200/+30.7574+130.1400/+30.7598+130.1600/+30.7600+130.1608/+30.7761+130.1800/+30.7795+130.2000/+30.7800+130.2055/+30.7940+130.2200/+30.7997+130.2400/+30.8000+130.2600/+30.8000+130.2601/+30.8198+130.2800/ 南西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8119+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3187/+30.7613+130.3000/+30.7670+130.2800/+30.7800+130.2639/+30.8000+130.2681/+30.8119+130.2800/ 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/+30.8112+130.3200/+30.8000+130.3312/+30.7800+130.3297/+30.7703+130.3200/+30.7600+130.3152/+30.7448+130.3000/+30.7401+130.2800/+30.7400+130.2792/+30.7209+130.2600/+30.7200+130.2532/+30.7068+130.2400/+30.7004+130.2200/+30.7000+130.2188/+30.6819+130.2000/+30.6800+130.1929/+30.6677+130.1800/+30.6605+130.1600/+30.6600+130.1587/+30.6437+130.1400/+30.6400+130.1295/+30.6314+130.1200/+30.6208+130.1000/+30.6200+130.0984/+30.6013+130.0800/+30.6000+130.0772/+30.5837+130.0600/+30.5800+130.0537/+30.5718+130.0400/+30.5600+130.0211/+30.5591+130.0200/+30.5439+130.0000/+30.5400+129.9897/+30.5364+129.9800/+30.5303+129.9600/+30.5201+129.9400/+30.5200+129.9399/+30.5042+129.9200/+30.5000+129.9074/+30.4959+129.9000/+30.4868+129.8800/+30.4800+129.8634/+30.4787+129.8600/+30.4741+129.8400/+30.4703+129.8200/+30.4600+129.8051/+30.4561+129.8000/+30.4600+129.7811/+30.4800+129.7869/+30.5000+129.7878/+30.5093+129.8000/+30.5200+129.8165/+30.5227+129.8200/+30.5400+129.8378/+30.5421+129.8400/+30.5600+129.8569/+30.5620+129.8600/+30.5766+129.8800/+30.5800+129.8851/+30.5889+129.9000/+30.5990+129.9200/+30.6000+129.9209/+30.6165+129.9400/+30.6200+129.9451/+30.6314+129.9600/+30.6400+129.9746/+30.6428+129.9800/+30.6555+130.0000/+30.6600+130.0072/+30.6730+130.0200/+30.6751+130.0400/+30.6800+130.0550/+30.6839+130.0600/+30.6975+130.0800/+30.7000+130.0856/+30.7123+130.1000/+30.7193+130.1200/+30.7200+130.1213/+30.7362+130.1400/+30.7400+130.1587/+30.7412+130.1600/+30.7580+130.1800/+30.7600+130.1897/+30.7703+130.2000/+30.7793+130.2200/+30.7800+130.2226/+30.7974+130.2400/+30.7999+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+130.3187/+30.7613+130.3000/+30.7670+130.2800/+30.7800+130.2665/+30.7906+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 +30.8196+130.2800/+30.8199+130.3000/+30.8124+130.3200/+30.8000+130.3324/+30.7800+130.3312/+30.7688+130.3200/+30.7600+130.3179/+30.7421+130.3000/+30.7400+130.2800/+30.7400+130.2798/+30.7204+130.2600/+30.7200+130.2583/+30.7019+130.2400/+30.7000+130.2330/+30.6871+130.2200/+30.6800+130.2025/+30.6775+130.2000/+30.6611+130.1800/+30.6600+130.1776/+30.6433+130.1600/+30.6400+130.1519/+30.6287+130.1400/+30.6200+130.1250/+30.6153+130.1200/+30.6010+130.1000/+30.6000+130.0986/+30.5800+130.0918/+30.5696+130.0800/+30.5600+130.0635/+30.5572+130.0600/+30.5458+130.0400/+30.5400+130.0302/+30.5264+130.0200/+30.5200+130.0102/+30.5103+130.0000/+30.5000+129.9902/+30.4923+129.9800/+30.4820+129.9600/+30.4800+129.9562/+30.4641+129.9400/+30.4600+129.9310/+30.4510+129.9200/+30.4400+129.9094/+30.4329+129.9000/+30.4316+129.8800/+30.4288+129.8600/+30.4400+129.8468/+30.4600+129.8537/+30.4658+129.8600/+30.4800+129.8712/+30.5000+129.8782/+30.5024+129.8800/+30.5200+129.8953/+30.5241+129.9000/+30.5400+129.9184/+30.5409+129.9200/+30.5600+129.9377/+30.5638+129.9400/+30.5800+129.9579/+30.5811+129.9600/+30.5923+129.9800/+30.6000+129.9876/+30.6159+130.0000/+30.6200+130.0042/+30.6334+130.0200/+30.6400+130.0312/+30.6452+130.0400/+30.6536+130.0600/+30.6600+130.0700/+30.6689+130.0800/+30.6797+130.1000/+30.6800+130.1004/+30.6979+130.1200/+30.7000+130.1236/+30.7156+130.1400/+30.7200+130.1501/+30.7296+130.1600/+30.7394+130.1800/+30.7400+130.1810/+30.7584+130.2000/+30.7600+130.2039/+30.7760+130.2200/+30.7799+130.2400/+30.7800+130.2401/+30.7998+130.2600/+30.8000+130.2603/+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/+30.7657+130.2800/+30.7800+130.2661/+30.7922+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 +30.8195+130.2800/+30.8199+130.3000/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3383/+30.7612+130.3200/+30.7600+130.3199/+30.7400+130.3185/+30.7200+130.3053/+30.7140+130.3000/+30.7000+130.2957/+30.6811+130.2800/+30.6800+130.2789/+30.6600+130.2668/+30.6525+130.2600/+30.6400+130.2437/+30.6359+130.2400/+30.6200+130.2210/+30.6188+130.2200/+30.6040+130.2000/+30.6000+130.1908/+30.5933+130.1800/+30.5813+130.1600/+30.5800+130.1567/+30.5661+130.1400/+30.5600+130.1314/+30.5528+130.1200/+30.5406+130.1000/+30.5400+130.0986/+30.5278+130.0800/+30.5200+130.0662/+30.5144+130.0600/+30.5000+130.0416/+30.4990+130.0400/+30.4907+130.0200/+30.4822+130.0000/+30.4800+129.9961/+30.4677+129.9800/+30.4600+129.9694/+30.4529+129.9600/+30.4545+129.9400/+30.4600+129.9311/+30.4800+129.9230/+30.5000+129.9264/+30.5200+129.9382/+30.5222+129.9400/+30.5400+129.9568/+30.5431+129.9600/+30.5600+129.9698/+30.5698+129.9800/+30.5800+129.9894/+30.5901+130.0000/+30.6000+130.0088/+30.6131+130.0200/+30.6200+130.0264/+30.6319+130.0400/+30.6400+130.0558/+30.6421+130.0600/+30.6585+130.0800/+30.6600+130.0817/+30.6766+130.1000/+30.6800+130.1040/+30.6935+130.1200/+30.7000+130.1287/+30.7103+130.1400/+30.7190+130.1600/+30.7200+130.1609/+30.7379+130.1800/+30.7400+130.1836/+30.7557+130.2000/+30.7600+130.2090/+30.7710+130.2200/+30.7796+130.2400/+30.7800+130.2404/+30.7994+130.2600/+30.8000+130.2605/+30.8195+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+130.3184/+30.7611+130.3000/+30.7662+130.2800/+30.7800+130.2664/+30.7918+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 +30.8142+130.2800/+30.8199+130.3000/+30.8190+130.3200/+30.8000+130.3390/+30.7800+130.3398/+30.7600+130.3395/+30.7400+130.3380/+30.7200+130.3347/+30.7000+130.3284/+30.6874+130.3200/+30.6800+130.3191/+30.6600+130.3169/+30.6400+130.3114/+30.6232+130.3000/+30.6200+130.2987/+30.6000+130.2911/+30.5800+130.2834/+30.5752+130.2800/+30.5600+130.2663/+30.5437+130.2600/+30.5400+130.2584/+30.5200+130.2458/+30.5134+130.2400/+30.5000+130.2252/+30.4958+130.2200/+30.4800+130.2062/+30.4714+130.2000/+30.4600+130.1888/+30.4505+130.1800/+30.4400+130.1676/+30.4311+130.1600/+30.4200+130.1492/+30.4099+130.1400/+30.4000+130.1315/+30.3852+130.1200/+30.3800+130.1032/+30.3780+130.1000/+30.3800+130.0961/+30.3845+130.0800/+30.4000+130.0674/+30.4200+130.0750/+30.4360+130.0800/+30.4400+130.0811/+30.4600+130.0893/+30.4800+130.0947/+30.4888+130.1000/+30.5000+130.1052/+30.5200+130.1143/+30.5288+130.1200/+30.5400+130.1255/+30.5600+130.1354/+30.5638+130.1400/+30.5800+130.1528/+30.5899+130.1600/+30.6000+130.1632/+30.6200+130.1718/+30.6295+130.1800/+30.6400+130.1860/+30.6574+130.2000/+30.6600+130.2008/+30.6800+130.2078/+30.6933+130.2200/+30.7000+130.2217/+30.7200+130.2311/+30.7291+130.2400/+30.7400+130.2413/+30.7597+130.2600/+30.7600+130.2600/+30.7800+130.2603/+30.8000+130.2658/+30.8142+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/+30.7606+130.3000/+30.7784+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 2026-09-20T06:00:00+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+130.3399/+30.7200+130.3399/+30.7172+130.3400/+30.7000+130.3523/+30.6800+130.3550/+30.6600+130.3566/+30.6400+130.3571/+30.6200+130.3575/+30.6000+130.3582/+30.5800+130.3585/+30.5600+130.3580/+30.5400+130.3571/+30.5249+130.3600/+30.5200+130.3628/+30.5057+130.3600/+30.5000+130.3592/+30.4800+130.3552/+30.4600+130.3483/+30.4400+130.3401/+30.4200+130.3415/+30.4127+130.3400/+30.4000+130.3372/+30.3800+130.3296/+30.3609+130.3200/+30.3600+130.3194/+30.3400+130.3087/+30.3262+130.3000/+30.3238+130.2800/+30.3200+130.2639/+30.3185+130.2600/+30.3200+130.2588/+30.3400+130.2471/+30.3600+130.2416/+30.3800+130.2470/+30.4000+130.2502/+30.4200+130.2498/+30.4400+130.2492/+30.4600+130.2463/+30.4800+130.2449/+30.5000+130.2446/+30.5200+130.2451/+30.5400+130.2511/+30.5600+130.2524/+30.5800+130.2541/+30.5976+130.2600/+30.6000+130.2602/+30.6200+130.2613/+30.6400+130.2614/+30.6600+130.2623/+30.6800+130.2628/+30.7000+130.2633/+30.7200+130.2642/+30.7400+130.2658/+30.7600+130.2790/+30.7617+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/+30.7820+130.3200/+30.7800+130.3220/+30.7764+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、１９日２１時から２４時までは火口から南西方向に降灰が予想されます。 　１９日１５時から２０日９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　　　　　 　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　　　　　　　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。