2026-10-10T08:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T17:00:00+09:00 2026-10-10T18:00:00+09:00 2026-10-11T12:00:00+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、１０日２１時から２４時までは火口から西方向、１１日０９時から１２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 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +31.0213+129.6000/+31.0200+129.6079/+31.0183+129.6200/+31.0160+129.6400/+31.0139+129.6600/+31.0116+129.6800/+31.0096+129.7000/+31.0022+129.7200/+31.0000+129.7251/+30.9945+129.7400/+30.9899+129.7600/+30.9862+129.7800/+30.9833+129.8000/+30.9801+129.8200/+30.9800+129.8201/+30.9702+129.8400/+30.9612+129.8600/+30.9600+129.8621/+30.9567+129.8800/+30.9535+129.9000/+30.9499+129.9200/+30.9400+129.9383/+30.9393+129.9400/+30.9352+129.9600/+30.9320+129.9800/+30.9264+130.0000/+30.9200+130.0154/+30.9173+130.0200/+30.9000+130.0345/+30.8991+130.0400/+30.8965+130.0600/+30.8926+130.0800/+30.8800+130.0976/+30.8797+130.1000/+30.8783+130.1200/+30.8759+130.1400/+30.8653+130.1600/+30.8600+130.1660/+30.8594+130.1800/+30.8587+130.2000/+30.8538+130.2200/+30.8400+130.2344/+30.8399+130.2400/+30.8398+130.2600/+30.8389+130.2800/+30.8200+130.2994/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7604+130.3000/+30.7605+130.2800/+30.7653+130.2600/+30.7800+130.2452/+30.7801+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7818+130.1800/+30.7860+130.1600/+30.8000+130.1410/+30.8001+130.1400/+30.8009+130.1200/+30.8021+130.1000/+30.8039+130.0800/+30.8084+130.0600/+30.8200+130.0410/+30.8202+130.0400/+30.8224+130.0200/+30.8253+130.0000/+30.8211+129.9800/+30.8286+129.9600/+30.8400+129.9439/+30.8410+129.9400/+30.8455+129.9200/+30.8507+129.9000/+30.8530+129.8800/+30.8578+129.8600/+30.8600+129.8533/+30.8661+129.8400/+30.8739+129.8200/+30.8800+129.8093/+30.8833+129.8000/+30.8836+129.7800/+30.8971+129.7600/+30.9000+129.7558/+30.9096+129.7400/+30.9174+129.7200/+30.9200+129.7135/+30.9254+129.7000/+30.9337+129.6800/+30.9400+129.6676/+30.9474+129.6600/+30.9600+129.6440/+30.9644+129.6400/+30.9765+129.6200/+30.9800+129.6099/+30.9826+129.6000/+30.9953+129.5800/+31.0000+129.5735/+31.0090+129.5800/+31.0200+129.5965/+31.0213+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8154+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7847+130.2800/+30.8000+130.2604/+30.8154+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 +31.0016+129.6600/+31.0061+129.6800/+31.0088+129.7000/+31.0058+129.7200/+31.0029+129.7400/+31.0000+129.7483/+30.9960+129.7600/+30.9901+129.7800/+30.9870+129.8000/+30.9845+129.8200/+30.9811+129.8400/+30.9800+129.8439/+30.9742+129.8600/+30.9626+129.8800/+30.9600+129.8840/+30.9568+129.9000/+30.9537+129.9200/+30.9466+129.9400/+30.9400+129.9562/+30.9391+129.9600/+30.9353+129.9800/+30.9314+130.0000/+30.9258+130.0200/+30.9200+130.0255/+30.9064+130.0400/+30.9000+130.0490/+30.8982+130.0600/+30.8957+130.0800/+30.8874+130.1000/+30.8800+130.1099/+30.8792+130.1200/+30.8774+130.1400/+30.8722+130.1600/+30.8600+130.1734/+30.8597+130.1800/+30.8592+130.2000/+30.8564+130.2200/+30.8400+130.2370/+30.8399+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8017+130.3200/+30.8000+130.3217/+30.7976+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7607+130.2800/+30.7800+130.2607/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7830+130.2000/+30.8000+130.1819/+30.8002+130.1800/+30.8006+130.1600/+30.8017+130.1400/+30.8069+130.1200/+30.8200+130.1032/+30.8203+130.1000/+30.8213+130.0800/+30.8232+130.0600/+30.8289+130.0400/+30.8400+130.0204/+30.8401+130.0200/+30.8424+130.0000/+30.8430+129.9800/+30.8455+129.9600/+30.8500+129.9400/+30.8600+129.9208/+30.8604+129.9200/+30.8661+129.9000/+30.8697+129.8800/+30.8800+129.8644/+30.8816+129.8600/+30.8885+129.8400/+30.8929+129.8200/+30.8992+129.8000/+30.9000+129.7982/+30.9118+129.7800/+30.9200+129.7606/+30.9202+129.7600/+30.9285+129.7400/+30.9393+129.7200/+30.9400+129.7190/+30.9600+129.7043/+30.9705+129.7000/+30.9800+129.6920/+30.9893+129.6800/+30.9984+129.6600/+31.0000+129.6558/+31.0016+129.6600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8134+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7866+130.2800/+30.8000+130.2637/+30.8134+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +31.0169+129.7000/+31.0187+129.7200/+31.0199+129.7400/+31.0191+129.7600/+31.0171+129.7800/+31.0156+129.8000/+31.0084+129.8200/+31.0000+129.8382/+30.9996+129.8400/+30.9933+129.8600/+30.9887+129.8800/+30.9842+129.9000/+30.9800+129.9141/+30.9779+129.9200/+30.9600+129.9371/+30.9589+129.9400/+30.9544+129.9600/+30.9495+129.9800/+30.9412+130.0000/+30.9400+130.0022/+30.9358+130.0200/+30.9200+130.0348/+30.9174+130.0400/+30.9129+130.0600/+30.9000+130.0781/+30.8996+130.0800/+30.8969+130.1000/+30.8914+130.1200/+30.8800+130.1334/+30.8792+130.1400/+30.8773+130.1600/+30.8682+130.1800/+30.8600+130.1885/+30.8595+130.2000/+30.8585+130.2200/+30.8411+130.2400/+30.8400+130.2412/+30.8399+130.2600/+30.8396+130.2800/+30.8206+130.3000/+30.8200+130.3006/+30.8012+130.3200/+30.8000+130.3212/+30.7982+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7608+130.2800/+30.7800+130.2608/+30.7800+130.2600/+30.7801+130.2400/+30.7806+130.2200/+30.7858+130.2000/+30.8000+130.1851/+30.8003+130.1800/+30.8009+130.1600/+30.8032+130.1400/+30.8131+130.1200/+30.8200+130.1114/+30.8210+130.1000/+30.8230+130.0800/+30.8268+130.0600/+30.8400+130.0429/+30.8408+130.0400/+30.8431+130.0200/+30.8443+130.0000/+30.8473+129.9800/+30.8526+129.9600/+30.8600+129.9450/+30.8623+129.9400/+30.8713+129.9200/+30.8792+129.9000/+30.8800+129.8987/+30.8875+129.8800/+30.8929+129.8600/+30.9000+129.8437/+30.9022+129.8400/+30.9111+129.8200/+30.9200+129.8021/+30.9209+129.8000/+30.9295+129.7800/+30.9400+129.7629/+30.9438+129.7600/+30.9600+129.7436/+30.9650+129.7400/+30.9800+129.7201/+30.9800+129.7200/+30.9891+129.7000/+31.0000+129.6830/+31.0169+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7868+130.2800/+30.8000+130.2635/+30.8133+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +31.0641+129.7000/+31.0600+129.7182/+31.0589+129.7200/+31.0522+129.7400/+31.0466+129.7600/+31.0405+129.7800/+31.0400+129.7821/+31.0375+129.8000/+31.0332+129.8200/+31.0290+129.8400/+31.0200+129.8575/+31.0188+129.8600/+31.0065+129.8800/+31.0000+129.8891/+30.9970+129.9000/+30.9923+129.9200/+30.9880+129.9400/+30.9800+129.9529/+30.9753+129.9600/+30.9662+129.9800/+30.9600+129.9896/+30.9579+130.0000/+30.9536+130.0200/+30.9465+130.0400/+30.9400+130.0473/+30.9278+130.0600/+30.9200+130.0719/+30.9186+130.0800/+30.9149+130.1000/+30.9000+130.1194/+30.8999+130.1200/+30.8974+130.1400/+30.8893+130.1600/+30.8800+130.1705/+30.8787+130.1800/+30.8742+130.2000/+30.8600+130.2150/+30.8597+130.2200/+30.8585+130.2400/+30.8400+130.2593/+30.8400+130.2600/+30.8398+130.2800/+30.8351+130.3000/+30.8200+130.3145/+30.8036+130.3200/+30.8000+130.3236/+30.7945+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7612+130.2800/+30.7800+130.2611/+30.7801+130.2600/+30.7802+130.2400/+30.7815+130.2200/+30.8000+130.2004/+30.8001+130.2000/+30.8007+130.1800/+30.8027+130.1600/+30.8149+130.1400/+30.8200+130.1339/+30.8212+130.1200/+30.8241+130.1000/+30.8331+130.0800/+30.8400+130.0712/+30.8417+130.0600/+30.8463+130.0400/+30.8597+130.0200/+30.8518+130.0000/+30.8600+129.9875/+30.8640+129.9800/+30.8707+129.9600/+30.8800+129.9430/+30.8815+129.9400/+30.8936+129.9200/+30.8935+129.9000/+30.9000+129.8876/+30.9062+129.8800/+30.9200+129.8615/+30.9208+129.8600/+30.9306+129.8400/+30.9382+129.8200/+30.9400+129.8160/+30.9543+129.8000/+30.9600+129.7912/+30.9662+129.7800/+30.9775+129.7600/+30.9800+129.7553/+30.9891+129.7400/+31.0000+129.7266/+31.0200+129.7206/+31.0210+129.7200/+31.0337+129.7000/+31.0400+129.6872/+31.0600+129.6823/+31.0641+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8159+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7879+130.2800/+30.8000+130.2647/+30.8159+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +31.1012+129.7800/+31.1079+129.8000/+31.1000+129.8144/+31.0940+129.8200/+31.0877+129.8400/+31.0824+129.8600/+31.0800+129.8663/+31.0754+129.8800/+31.0679+129.9000/+31.0600+129.9158/+31.0587+129.9200/+31.0433+129.9400/+31.0400+129.9426/+31.0314+129.9600/+31.0200+129.9722/+31.0144+129.9800/+31.0045+130.0000/+31.0000+130.0067/+30.9949+130.0200/+30.9818+130.0400/+30.9800+130.0429/+30.9600+130.0558/+30.9574+130.0600/+30.9423+130.0800/+30.9400+130.0830/+30.9355+130.1000/+30.9200+130.1200/+30.9154+130.1400/+30.9000+130.1557/+30.8992+130.1600/+30.8947+130.1800/+30.8800+130.1978/+30.8798+130.2000/+30.8782+130.2200/+30.8684+130.2400/+30.8600+130.2495/+30.8576+130.2600/+30.8400+130.2786/+30.8400+130.2800/+30.8377+130.3000/+30.8200+130.3177/+30.8154+130.3200/+30.8000+130.3354/+30.7800+130.3284/+30.7716+130.3200/+30.7604+130.3000/+30.7624+130.2800/+30.7800+130.2624/+30.7801+130.2600/+30.7810+130.2400/+30.8000+130.2208/+30.8002+130.2200/+30.8012+130.2000/+30.8192+130.1800/+30.8200+130.1792/+30.8215+130.1600/+30.8310+130.1400/+30.8400+130.1303/+30.8418+130.1200/+30.8502+130.1000/+30.8600+130.0885/+30.8620+130.0800/+30.8703+130.0600/+30.8800+130.0481/+30.8829+130.0400/+30.8925+130.0200/+30.9000+130.0021/+30.9004+130.0000/+30.9083+129.9800/+30.9185+129.9600/+30.9200+129.9577/+30.9319+129.9400/+30.9400+129.9239/+30.9425+129.9200/+30.9584+129.9000/+30.9600+129.8988/+30.9752+129.8800/+30.9800+129.8704/+30.9874+129.8600/+31.0000+129.8489/+31.0135+129.8400/+31.0200+129.8312/+31.0309+129.8200/+31.0400+129.8102/+31.0562+129.8000/+31.0600+129.7969/+31.0800+129.7912/+31.0978+129.7800/+31.1000+129.7777/+31.1012+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8141+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7893+130.2800/+30.8000+130.2668/+30.8141+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T09:00:00+09:00 2026-10-11T12:00:00+09:00 降灰 70 +31.0716+129.7800/+31.0748+129.8000/+31.0695+129.8200/+31.0651+129.8400/+31.0600+129.8531/+31.0571+129.8600/+31.0463+129.8800/+31.0400+129.8873/+31.0349+129.9000/+31.0274+129.9200/+31.0200+129.9367/+31.0179+129.9400/+31.0000+129.9566/+30.9985+129.9600/+30.9910+129.9800/+30.9829+130.0000/+30.9800+130.0052/+30.9725+130.0200/+30.9600+130.0310/+30.9575+130.0400/+30.9400+130.0587/+30.9392+130.0600/+30.9332+130.0800/+30.9200+130.0954/+30.9188+130.1000/+30.9123+130.1200/+30.9000+130.1335/+30.8991+130.1400/+30.8957+130.1600/+30.8800+130.1770/+30.8796+130.1800/+30.8777+130.2000/+30.8600+130.2184/+30.8599+130.2200/+30.8594+130.2400/+30.8407+130.2600/+30.8400+130.2607/+30.8399+130.2800/+30.8371+130.3000/+30.8200+130.3172/+30.8134+130.3200/+30.8000+130.3330/+30.7805+130.3200/+30.7800+130.3200/+30.7604+130.3000/+30.7620+130.2800/+30.7800+130.2620/+30.7801+130.2600/+30.7808+130.2400/+30.8000+130.2206/+30.8001+130.2200/+30.8008+130.2000/+30.8101+130.1800/+30.8200+130.1699/+30.8209+130.1600/+30.8249+130.1400/+30.8400+130.1235/+30.8408+130.1200/+30.8441+130.1000/+30.8600+130.0813/+30.8604+130.0800/+30.8643+130.0600/+30.8800+130.0403/+30.8801+130.0400/+30.8842+130.0200/+30.8819+130.0000/+30.9000+129.9835/+30.9019+129.9800/+30.9067+129.9600/+30.9172+129.9400/+30.9200+129.9363/+30.9292+129.9200/+30.9361+129.9000/+30.9400+129.8931/+30.9526+129.8800/+30.9600+129.8707/+30.9660+129.8600/+30.9791+129.8400/+30.9800+129.8373/+30.9903+129.8200/+31.0000+129.8125/+31.0200+129.8009/+31.0208+129.8000/+31.0351+129.7800/+31.0400+129.7734/+31.0600+129.7640/+31.0716+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7906+130.2800/+30.8000+130.2686/+30.8116+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、１０日２１時から２４時までは火口から西方向、１１日０９時から１２時までは火口から北西方向に降灰が予想されます。 　１０日１８時から１１日１２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 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０９時から１２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。