2026-08-14T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-15T05:00:00+09:00 2026-08-15T06:00:00+09:00 2026-08-16T00:00:00+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、１５日０９時から１２時までは火口から北西方向、１５日２１時から２４時までは火口から北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 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 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-08-15T06:00:00+09:00 2026-08-15T09:00:00+09:00 降灰 70 +31.0808+129.9200/+31.0800+129.9261/+31.0770+129.9400/+31.0756+129.9600/+31.0656+129.9800/+31.0600+129.9947/+31.0582+130.0000/+31.0454+130.0200/+31.0400+130.0255/+31.0315+130.0400/+31.0200+130.0530/+31.0163+130.0600/+31.0055+130.0800/+31.0000+130.0869/+30.9846+130.1000/+30.9800+130.1036/+30.9662+130.1200/+30.9600+130.1257/+30.9505+130.1400/+30.9400+130.1518/+30.9362+130.1600/+30.9200+130.1766/+30.9183+130.1800/+30.9004+130.2000/+30.9000+130.2004/+30.8920+130.2200/+30.8800+130.2320/+30.8778+130.2400/+30.8600+130.2579/+30.8597+130.2600/+30.8459+130.2800/+30.8400+130.2859/+30.8396+130.3000/+30.8200+130.3196/+30.8188+130.3200/+30.8000+130.3388/+30.7800+130.3357/+30.7643+130.3200/+30.7603+130.3000/+30.7671+130.2800/+30.7800+130.2671/+30.7803+130.2600/+30.8000+130.2403/+30.8002+130.2400/+30.8031+130.2200/+30.8200+130.2030/+30.8209+130.2000/+30.8314+130.1800/+30.8400+130.1710/+30.8430+130.1600/+30.8600+130.1413/+30.8607+130.1400/+30.8667+130.1200/+30.8800+130.1037/+30.8818+130.1000/+30.8956+130.0800/+30.9000+130.0748/+30.9068+130.0600/+30.9200+130.0430/+30.9224+130.0400/+30.9270+130.0200/+30.9400+130.0051/+30.9447+130.0000/+30.9600+129.9857/+30.9654+129.9800/+30.9781+129.9600/+30.9800+129.9568/+30.9959+129.9400/+31.0000+129.9369/+31.0200+129.9274/+31.0296+129.9200/+31.0400+129.9092/+31.0600+129.9121/+31.0800+129.9188/+31.0808+129.9200/ 北西 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/+30.7812+130.3000/+30.8000+130.2801/+30.8188+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-15T09:00:00+09:00 2026-08-15T12:00:00+09:00 降灰 70 +31.1058+129.9000/+31.1060+129.9200/+31.1060+129.9400/+31.1021+129.9600/+31.1000+129.9634/+31.0875+129.9800/+31.0800+129.9880/+31.0728+130.0000/+31.0600+130.0199/+31.0600+130.0200/+31.0431+130.0400/+31.0400+130.0440/+31.0271+130.0600/+31.0200+130.0667/+31.0134+130.0800/+31.0000+130.0953/+30.9931+130.1000/+30.9800+130.1099/+30.9742+130.1200/+30.9600+130.1345/+30.9565+130.1400/+30.9400+130.1578/+30.9386+130.1600/+30.9200+130.1786/+30.9193+130.1800/+30.9040+130.2000/+30.9000+130.2040/+30.8931+130.2200/+30.8800+130.2331/+30.8778+130.2400/+30.8600+130.2580/+30.8597+130.2600/+30.8449+130.2800/+30.8400+130.2848/+30.8395+130.3000/+30.8200+130.3195/+30.8185+130.3200/+30.8000+130.3385/+30.7800+130.3344/+30.7656+130.3200/+30.7604+130.3000/+30.7671+130.2800/+30.7800+130.2671/+30.7803+130.2600/+30.8000+130.2402/+30.8002+130.2400/+30.8028+130.2200/+30.8200+130.2027/+30.8209+130.2000/+30.8359+130.1800/+30.8400+130.1758/+30.8435+130.1600/+30.8600+130.1426/+30.8615+130.1400/+30.8727+130.1200/+30.8800+130.1122/+30.8862+130.1000/+30.9000+130.0836/+30.9024+130.0800/+30.9179+130.0600/+30.9200+130.0577/+30.9292+130.0400/+30.9400+130.0210/+30.9409+130.0200/+30.9600+130.0028/+30.9625+130.0000/+30.9800+129.9800/+31.0000+129.9610/+31.0013+129.9600/+31.0183+129.9400/+31.0200+129.9384/+31.0400+129.9226/+31.0480+129.9200/+31.0600+129.9120/+31.0800+129.9043/+31.0916+129.9000/+31.1000+129.8944/+31.1058+129.9000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8017+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7990+130.2800/+30.8000+130.2789/+30.8017+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-15T12:00:00+09:00 2026-08-15T15:00:00+09:00 降灰 70 +31.1128+129.9000/+31.1049+129.9200/+31.1016+129.9400/+31.1000+129.9430/+31.0938+129.9600/+31.0800+129.9760/+31.0776+129.9800/+31.0685+130.0000/+31.0600+130.0158/+31.0569+130.0200/+31.0400+130.0345/+31.0357+130.0400/+31.0200+130.0571/+31.0186+130.0600/+31.0088+130.0800/+31.0000+130.0893/+30.9800+130.0989/+30.9793+130.1000/+30.9600+130.1197/+30.9599+130.1200/+30.9478+130.1400/+30.9400+130.1479/+30.9330+130.1600/+30.9200+130.1733/+30.9171+130.1800/+30.9000+130.1978/+30.8992+130.2000/+30.8856+130.2200/+30.8800+130.2256/+30.8768+130.2400/+30.8600+130.2569/+30.8596+130.2600/+30.8400+130.2799/+30.8400+130.2800/+30.8395+130.3000/+30.8200+130.3195/+30.8177+130.3200/+30.8000+130.3377/+30.7800+130.3316/+30.7684+130.3200/+30.7604+130.3000/+30.7663+130.2800/+30.7800+130.2663/+30.7803+130.2600/+30.8000+130.2402/+30.8001+130.2400/+30.8022+130.2200/+30.8200+130.2020/+30.8207+130.2000/+30.8295+130.1800/+30.8400+130.1692/+30.8426+130.1600/+30.8600+130.1416/+30.8609+130.1400/+30.8680+130.1200/+30.8800+130.1075/+30.8846+130.1000/+30.9000+130.0825/+30.9019+130.0800/+30.9145+130.0600/+30.9200+130.0538/+30.9269+130.0400/+30.9339+130.0200/+30.9400+130.0126/+30.9522+130.0000/+30.9600+129.9934/+30.9715+129.9800/+30.9800+129.9667/+30.9867+129.9600/+31.0000+129.9448/+31.0067+129.9400/+31.0200+129.9310/+31.0376+129.9200/+31.0400+129.9176/+31.0600+129.9042/+31.0800+129.9001/+31.0804+129.9000/+31.1000+129.8879/+31.1128+129.9000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8038+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7976+130.2800/+30.8000+130.2773/+30.8038+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-15T15:00:00+09:00 2026-08-15T18:00:00+09:00 降灰 70 +31.1054+129.9000/+31.1000+129.9069/+31.0947+129.9200/+31.0839+129.9400/+31.0800+129.9446/+31.0723+129.9600/+31.0601+129.9800/+31.0600+129.9802/+31.0400+129.9998/+31.0399+130.0000/+31.0276+130.0200/+31.0200+130.0266/+31.0121+130.0400/+31.0000+130.0587/+30.9993+130.0600/+30.9800+130.0755/+30.9756+130.0800/+30.9600+130.0969/+30.9585+130.1000/+30.9445+130.1200/+30.9400+130.1244/+30.9309+130.1400/+30.9200+130.1514/+30.9166+130.1600/+30.9000+130.1779/+30.8994+130.1800/+30.8931+130.2000/+30.8800+130.2134/+30.8788+130.2200/+30.8600+130.2397/+30.8600+130.2400/+30.8588+130.2600/+30.8400+130.2789/+30.8399+130.2800/+30.8388+130.3000/+30.8200+130.3188/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3262/+30.7738+130.3200/+30.7604+130.3000/+30.7632+130.2800/+30.7800+130.2632/+30.7801+130.2600/+30.7839+130.2400/+30.8000+130.2239/+30.8005+130.2200/+30.8053+130.2000/+30.8200+130.1851/+30.8209+130.1800/+30.8267+130.1600/+30.8400+130.1458/+30.8416+130.1400/+30.8494+130.1200/+30.8600+130.1078/+30.8627+130.1000/+30.8744+130.0800/+30.8800+130.0740/+30.8868+130.0600/+30.9000+130.0424/+30.9014+130.0400/+30.9082+130.0200/+30.9200+130.0007/+30.9208+130.0000/+30.9400+129.9801/+30.9401+129.9800/+30.9573+129.9600/+30.9600+129.9576/+30.9746+129.9400/+30.9800+129.9334/+31.0000+129.9213/+31.0029+129.9200/+31.0200+129.9033/+31.0235+129.9000/+31.0400+129.8846/+31.0561+129.8800/+31.0600+129.8786/+31.0800+129.8792/+31.0903+129.8800/+31.1000+129.8816/+31.1054+129.9000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8111+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7919+130.2800/+30.8000+130.2705/+30.8111+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-15T18:00:00+09:00 2026-08-15T21:00:00+09:00 降灰 70 +31.1544+129.8000/+31.1400+129.8145/+31.1340+129.8200/+31.1289+129.8400/+31.1233+129.8600/+31.1200+129.8673/+31.1144+129.8800/+31.1059+129.9000/+31.1000+129.9066/+31.0927+129.9200/+31.0800+129.9354/+31.0771+129.9400/+31.0664+129.9600/+31.0600+129.9728/+31.0545+129.9800/+31.0400+129.9912/+31.0338+130.0000/+31.0200+130.0166/+31.0186+130.0200/+31.0077+130.0400/+31.0000+130.0530/+30.9973+130.0600/+30.9800+130.0743/+30.9746+130.0800/+30.9600+130.0958/+30.9575+130.1000/+30.9406+130.1200/+30.9400+130.1207/+30.9339+130.1400/+30.9200+130.1550/+30.9184+130.1600/+30.9000+130.1797/+30.8999+130.1800/+30.8959+130.2000/+30.8800+130.2161/+30.8794+130.2200/+30.8674+130.2400/+30.8600+130.2474/+30.8593+130.2600/+30.8400+130.2794/+30.8399+130.2800/+30.8392+130.3000/+30.8200+130.3192/+30.8148+130.3200/+30.8000+130.3348/+30.7800+130.3213/+30.7787+130.3200/+30.7605+130.3000/+30.7656+130.2800/+30.7800+130.2656/+30.7802+130.2600/+30.7980+130.2400/+30.8000+130.2380/+30.8009+130.2200/+30.8200+130.2004/+30.8202+130.2000/+30.8226+130.1800/+30.8400+130.1618/+30.8406+130.1600/+30.8460+130.1400/+30.8600+130.1251/+30.8617+130.1200/+30.8700+130.1000/+30.8800+130.0890/+30.8837+130.0800/+30.9000+130.0601/+30.9001+130.0600/+30.9112+130.0400/+30.9117+130.0200/+30.9200+130.0072/+30.9252+130.0000/+30.9400+129.9831/+30.9433+129.9800/+30.9600+129.9611/+30.9609+129.9600/+30.9720+129.9400/+30.9800+129.9265/+30.9871+129.9200/+31.0000+129.9048/+31.0041+129.9000/+31.0200+129.8822/+31.0221+129.8800/+31.0397+129.8600/+31.0400+129.8597/+31.0600+129.8455/+31.0675+129.8400/+31.0800+129.8272/+31.0863+129.8200/+31.1000+129.8021/+31.1082+129.8000/+31.1200+129.7971/+31.1400+129.7900/+31.1544+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7914+130.2800/+30.8000+130.2702/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-15T21:00:00+09:00 2026-08-16T00:00:00+09:00 降灰 70 +31.2001+129.8600/+31.2000+129.8602/+31.1856+129.8800/+31.1837+129.9000/+31.1800+129.9053/+31.1702+129.9200/+31.1600+129.9361/+31.1577+129.9400/+31.1449+129.9600/+31.1400+129.9652/+31.1278+129.9800/+31.1200+129.9855/+31.1094+130.0000/+31.1000+130.0152/+31.0956+130.0200/+31.0800+130.0312/+31.0736+130.0400/+31.0600+130.0558/+31.0566+130.0600/+31.0400+130.0795/+31.0396+130.0800/+31.0200+130.0947/+31.0164+130.1000/+31.0000+130.1146/+30.9928+130.1200/+30.9800+130.1333/+30.9746+130.1400/+30.9600+130.1544/+30.9566+130.1600/+30.9400+130.1773/+30.9381+130.1800/+30.9200+130.1983/+30.9191+130.2000/+30.9000+130.2195/+30.8997+130.2200/+30.8848+130.2400/+30.8800+130.2448/+30.8738+130.2600/+30.8600+130.2738/+30.8584+130.2800/+30.8400+130.2984/+30.8397+130.3000/+30.8200+130.3197/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3215/+30.7785+130.3200/+30.7609+130.3000/+30.7800+130.2801/+30.7800+130.2800/+30.7808+130.2600/+30.8000+130.2407/+30.8004+130.2400/+30.8178+130.2200/+30.8200+130.2178/+30.8238+130.2000/+30.8400+130.1834/+30.8417+130.1800/+30.8600+130.1600/+30.8675+130.1400/+30.8800+130.1264/+30.8845+130.1200/+30.9000+130.1032/+30.9022+130.1000/+30.9162+130.0800/+30.9200+130.0759/+30.9338+130.0600/+30.9400+130.0459/+30.9426+130.0400/+30.9600+130.0204/+30.9603+130.0200/+30.9745+130.0000/+30.9800+129.9933/+30.9985+129.9800/+31.0000+129.9786/+31.0200+129.9606/+31.0208+129.9600/+31.0395+129.9400/+31.0400+129.9396/+31.0600+129.9216/+31.0617+129.9200/+31.0800+129.9045/+31.0873+129.9000/+31.1000+129.8874/+31.1146+129.8800/+31.1200+129.8767/+31.1400+129.8613/+31.1432+129.8600/+31.1600+129.8521/+31.1800+129.8522/+31.2000+129.8567/+31.2001+129.8600/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8173+130.2800/+30.8198+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7918+130.2800/+30.8000+130.2718/+30.8173+130.2800/ 北西 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、１５日０９時から１２時までは火口から北西方向、１５日２１時から２４時までは火口から北西方向に降灰が予想されます。 　１５日６時から１５日２４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 　１５日０６時から０９時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１５日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１５日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１５日１５時から１８時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１５日１８時から２１時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１５日２１時から２４時まで　北西　　　　　　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 　 　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。