2026-09-07T05:00:00Z 通常 気象庁本庁 気象庁 2026-09-07T14:00:00+09:00 2026-09-07T15:00:00+09:00 2026-09-08T09:00:00+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 2026-09-07T15:00:00+09:00 2026-09-07T18:00:00+09:00 降灰 70 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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/+30.7606+130.3000/+30.7677+130.2800/+30.7800+130.2726/+30.7874+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-07T18:00:00+09:00 2026-09-07T21:00:00+09:00 降灰 70 +30.8190+130.2800/+30.8199+130.3000/+30.8132+130.3200/+30.8000+130.3332/+30.7800+130.3337/+30.7663+130.3200/+30.7600+130.3198/+30.7402+130.3000/+30.7400+130.2998/+30.7200+130.2843/+30.7157+130.2800/+30.7000+130.2734/+30.6860+130.2600/+30.6800+130.2564/+30.6625+130.2400/+30.6600+130.2378/+30.6407+130.2200/+30.6400+130.2192/+30.6201+130.2000/+30.6200+130.1999/+30.6000+130.1855/+30.5942+130.1800/+30.5800+130.1678/+30.5699+130.1600/+30.5600+130.1555/+30.5400+130.1411/+30.5385+130.1400/+30.5200+130.1256/+30.5140+130.1200/+30.5000+130.1045/+30.4957+130.1000/+30.4800+130.0865/+30.4700+130.0800/+30.4600+130.0729/+30.4469+130.0600/+30.4400+130.0507/+30.4281+130.0400/+30.4200+130.0317/+30.4069+130.0200/+30.4000+130.0128/+30.3844+130.0000/+30.3800+129.9930/+30.3691+129.9800/+30.3600+129.9723/+30.3432+129.9600/+30.3400+129.9542/+30.3329+129.9400/+30.3365+129.9200/+30.3400+129.9131/+30.3600+129.9152/+30.3714+129.9200/+30.3800+129.9221/+30.4000+129.9249/+30.4200+129.9366/+30.4250+129.9400/+30.4400+129.9507/+30.4526+129.9600/+30.4600+129.9631/+30.4800+129.9723/+30.4955+129.9800/+30.5000+129.9830/+30.5165+130.0000/+30.5200+130.0018/+30.5400+130.0176/+30.5424+130.0200/+30.5600+130.0350/+30.5643+130.0400/+30.5800+130.0487/+30.5923+130.0600/+30.6000+130.0655/+30.6116+130.0800/+30.6200+130.0903/+30.6303+130.1000/+30.6400+130.1087/+30.6511+130.1200/+30.6600+130.1303/+30.6690+130.1400/+30.6800+130.1470/+30.6931+130.1600/+30.7000+130.1663/+30.7136+130.1800/+30.7200+130.1861/+30.7338+130.2000/+30.7400+130.2065/+30.7535+130.2200/+30.7600+130.2247/+30.7753+130.2400/+30.7800+130.2424/+30.7976+130.2600/+30.8000+130.2610/+30.8190+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/+30.7610+130.3000/+30.7663+130.2800/+30.7800+130.2686/+30.7896+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 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 +30.8192+130.2800/+30.8198+130.3000/+30.8123+130.3200/+30.8000+130.3323/+30.7800+130.3325/+30.7675+130.3200/+30.7600+130.3197/+30.7402+130.3000/+30.7400+130.2997/+30.7200+130.2825/+30.7175+130.2800/+30.7000+130.2717/+30.6881+130.2600/+30.6800+130.2552/+30.6638+130.2400/+30.6600+130.2366/+30.6421+130.2200/+30.6400+130.2181/+30.6214+130.2000/+30.6200+130.1983/+30.6000+130.1800/+30.5800+130.1626/+30.5771+130.1600/+30.5600+130.1492/+30.5474+130.1400/+30.5400+130.1300/+30.5287+130.1200/+30.5200+130.1105/+30.5110+130.1000/+30.5000+130.0883/+30.4915+130.0800/+30.4800+130.0660/+30.4714+130.0600/+30.4600+130.0483/+30.4544+130.0400/+30.4400+130.0240/+30.4344+130.0200/+30.4200+130.0071/+30.4142+130.0000/+30.4010+129.9800/+30.4000+129.9789/+30.3804+129.9600/+30.3800+129.9591/+30.3709+129.9400/+30.3610+129.9200/+30.3600+129.9191/+30.3400+129.9037/+30.3365+129.9000/+30.3400+129.8928/+30.3600+129.8860/+30.3800+129.8911/+30.4000+129.8941/+30.4075+129.9000/+30.4200+129.9108/+30.4400+129.9185/+30.4438+129.9200/+30.4600+129.9261/+30.4777+129.9400/+30.4800+129.9413/+30.4992+129.9600/+30.5000+129.9607/+30.5200+129.9757/+30.5276+129.9800/+30.5400+129.9919/+30.5456+130.0000/+30.5600+130.0126/+30.5679+130.0200/+30.5800+130.0329/+30.5848+130.0400/+30.6000+130.0519/+30.6117+130.0600/+30.6175+130.0800/+30.6200+130.0826/+30.6375+130.1000/+30.6400+130.1019/+30.6574+130.1200/+30.6600+130.1226/+30.6777+130.1400/+30.6800+130.1419/+30.6977+130.1600/+30.7000+130.1621/+30.7176+130.1800/+30.7200+130.1824/+30.7373+130.2000/+30.7400+130.2027/+30.7573+130.2200/+30.7600+130.2224/+30.7775+130.2400/+30.7800+130.2417/+30.7983+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+130.3187/+30.7611+130.3000/+30.7650+130.2800/+30.7800+130.2686/+30.7913+130.2800/+30.8000+130.2812/+30.8188+130.3000/ 南西 3 鹿児島県三島村 4630300 2026-09-08T00:00:00+09:00 2026-09-08T03:00:00+09:00 降灰 70 +30.8191+130.2800/+30.8198+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3353/+30.7647+130.3200/+30.7600+130.3199/+30.7400+130.3174/+30.7224+130.3000/+30.7200+130.2991/+30.7000+130.2911/+30.6878+130.2800/+30.6800+130.2768/+30.6601+130.2600/+30.6600+130.2599/+30.6400+130.2514/+30.6255+130.2400/+30.6200+130.2370/+30.6000+130.2211/+30.5982+130.2200/+30.5800+130.2079/+30.5727+130.2000/+30.5600+130.1814/+30.5572+130.1800/+30.5400+130.1724/+30.5260+130.1600/+30.5200+130.1534/+30.5094+130.1400/+30.5000+130.1280/+30.4923+130.1200/+30.4800+130.1029/+30.4743+130.1000/+30.4600+130.0939/+30.4494+130.0800/+30.4400+130.0679/+30.4310+130.0600/+30.4200+130.0469/+30.4151+130.0400/+30.4024+130.0200/+30.4000+130.0161/+30.3830+130.0000/+30.3800+129.9941/+30.3708+129.9800/+30.3600+129.9682/+30.3514+129.9600/+30.3442+129.9400/+30.3600+129.9265/+30.3800+129.9285/+30.4000+129.9292/+30.4188+129.9400/+30.4200+129.9410/+30.4400+129.9538/+30.4480+129.9600/+30.4600+129.9656/+30.4800+129.9763/+30.4867+129.9800/+30.5000+129.9911/+30.5067+130.0000/+30.5200+130.0081/+30.5336+130.0200/+30.5400+130.0266/+30.5536+130.0400/+30.5600+130.0441/+30.5800+130.0569/+30.5833+130.0600/+30.6000+130.0745/+30.6047+130.0800/+30.6174+130.1000/+30.6200+130.1017/+30.6381+130.1200/+30.6400+130.1214/+30.6587+130.1400/+30.6600+130.1408/+30.6796+130.1600/+30.6800+130.1603/+30.7000+130.1769/+30.7031+130.1800/+30.7200+130.1973/+30.7227+130.2000/+30.7400+130.2132/+30.7470+130.2200/+30.7600+130.2290/+30.7709+130.2400/+30.7800+130.2430/+30.7970+130.2600/+30.8000+130.2609/+30.8191+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/+30.7608+130.3000/+30.7656+130.2800/+30.7800+130.2690/+30.7909+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 +30.8185+130.2800/+30.8198+130.3000/+30.8160+130.3200/+30.8000+130.3360/+30.7800+130.3379/+30.7618+130.3200/+30.7600+130.3199/+30.7400+130.3197/+30.7200+130.3175/+30.7001+130.3000/+30.7000+130.3000/+30.6800+130.2979/+30.6600+130.2922/+30.6438+130.2800/+30.6400+130.2786/+30.6200+130.2742/+30.6000+130.2633/+30.5946+130.2600/+30.5800+130.2535/+30.5605+130.2400/+30.5600+130.2395/+30.5400+130.2270/+30.5283+130.2200/+30.5200+130.2127/+30.5046+130.2000/+30.5000+130.1961/+30.4800+130.1801/+30.4799+130.1800/+30.4648+130.1600/+30.4600+130.1570/+30.4400+130.1438/+30.4321+130.1400/+30.4200+130.1323/+30.4073+130.1200/+30.4000+130.1137/+30.3800+130.1015/+30.3780+130.1000/+30.3600+130.0820/+30.3572+130.0800/+30.3400+130.0682/+30.3276+130.0600/+30.3200+130.0462/+30.3160+130.0400/+30.3200+130.0240/+30.3227+130.0200/+30.3400+130.0129/+30.3600+130.0149/+30.3800+130.0181/+30.4000+130.0197/+30.4009+130.0200/+30.4200+130.0266/+30.4400+130.0374/+30.4442+130.0400/+30.4600+130.0453/+30.4800+130.0509/+30.5000+130.0581/+30.5023+130.0600/+30.5200+130.0720/+30.5318+130.0800/+30.5400+130.0853/+30.5558+130.1000/+30.5600+130.1018/+30.5775+130.1200/+30.5800+130.1215/+30.6000+130.1293/+30.6128+130.1400/+30.6200+130.1440/+30.6386+130.1600/+30.6400+130.1605/+30.6600+130.1733/+30.6669+130.1800/+30.6800+130.1840/+30.6974+130.2000/+30.7000+130.2010/+30.7200+130.2143/+30.7270+130.2200/+30.7400+130.2223/+30.7578+130.2400/+30.7600+130.2403/+30.7800+130.2525/+30.7874+130.2600/+30.8000+130.2615/+30.8185+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/+30.7628+130.2800/+30.7800+130.2675/+30.7923+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 +30.8127+130.2800/+30.8197+130.3000/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3392/+30.7600+130.3344/+30.7442+130.3200/+30.7400+130.3199/+30.7200+130.3195/+30.7000+130.3182/+30.6800+130.3136/+30.6600+130.3032/+30.6544+130.3000/+30.6400+130.2984/+30.6200+130.2946/+30.6000+130.2875/+30.5800+130.2814/+30.5781+130.2800/+30.5600+130.2707/+30.5407+130.2600/+30.5400+130.2596/+30.5200+130.2560/+30.5000+130.2450/+30.4929+130.2400/+30.4800+130.2294/+30.4677+130.2200/+30.4600+130.2152/+30.4420+130.2000/+30.4400+130.1983/+30.4200+130.1886/+30.4076+130.1800/+30.4000+130.1732/+30.3800+130.1620/+30.3739+130.1600/+30.3600+130.1543/+30.3400+130.1409/+30.3384+130.1400/+30.3200+130.1300/+30.3021+130.1200/+30.3000+130.1188/+30.2800+130.1072/+30.2703+130.1000/+30.2792+130.0800/+30.2800+130.0792/+30.3000+130.0697/+30.3200+130.0689/+30.3400+130.0685/+30.3600+130.0701/+30.3800+130.0732/+30.3957+130.0800/+30.4000+130.0815/+30.4200+130.0875/+30.4400+130.0921/+30.4600+130.0978/+30.4626+130.1000/+30.4800+130.1097/+30.5000+130.1168/+30.5063+130.1200/+30.5200+130.1246/+30.5400+130.1332/+30.5554+130.1400/+30.5600+130.1419/+30.5761+130.1600/+30.5800+130.1617/+30.6000+130.1688/+30.6169+130.1800/+30.6200+130.1808/+30.6400+130.1879/+30.6553+130.2000/+30.6600+130.2011/+30.6800+130.2080/+30.6931+130.2200/+30.7000+130.2211/+30.7200+130.2284/+30.7317+130.2400/+30.7400+130.2407/+30.7600+130.2473/+30.7729+130.2600/+30.7800+130.2602/+30.8000+130.2673/+30.8127+130.2800/ 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/+30.7800+130.3188/+30.7602+130.3000/+30.7623+130.2800/+30.7800+130.2698/+30.7902+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、７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。 　７日１５時から８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 　０７日１５時から１８時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０７日１８時から２１時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　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　　　　　　　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、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。