2026-10-08T08:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T17:00:00+09:00 2026-10-08T18:00:00+09:00 2026-10-09T12:00:00+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、８日２１時から２４時までは火口から南西方向、９日０９時から１２時までは火口から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 2026-10-08T18:00:00+09:00 2026-10-08T21:00:00+09:00 降灰 70 +30.8115+130.2200/+30.8187+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8145+130.3200/+30.8000+130.3345/+30.7800+130.3323/+30.7677+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2791/+30.7414+130.2600/+30.7404+130.2400/+30.7401+130.2200/+30.7400+130.2180/+30.7255+130.2000/+30.7220+130.1800/+30.7204+130.1600/+30.7200+130.1541/+30.7115+130.1400/+30.7043+130.1200/+30.7018+130.1000/+30.7000+130.0861/+30.6966+130.0800/+30.6881+130.0600/+30.6851+130.0400/+30.6800+130.0279/+30.6728+130.0200/+30.6689+130.0000/+30.6658+129.9800/+30.6617+129.9600/+30.6600+129.9530/+30.6528+129.9400/+30.6469+129.9200/+30.6442+129.9000/+30.6404+129.8800/+30.6400+129.8785/+30.6322+129.8600/+30.6254+129.8400/+30.6254+129.8200/+30.6267+129.8000/+30.6382+129.7800/+30.6400+129.7780/+30.6532+129.7800/+30.6600+129.7809/+30.6800+129.7963/+30.6830+129.8000/+30.6950+129.8200/+30.7000+129.8297/+30.7048+129.8400/+30.7163+129.8600/+30.7200+129.8675/+30.7268+129.8800/+30.7345+129.9000/+30.7400+129.9154/+30.7418+129.9200/+30.7512+129.9400/+30.7600+129.9598/+30.7601+129.9600/+30.7683+129.9800/+30.7677+130.0000/+30.7720+130.0200/+30.7757+130.0400/+30.7779+130.0600/+30.7795+130.0800/+30.7800+130.0865/+30.7858+130.1000/+30.7930+130.1200/+30.7969+130.1400/+30.7985+130.1600/+30.7994+130.1800/+30.7998+130.2000/+30.8000+130.2060/+30.8115+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8067+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7620+130.3000/+30.7728+130.2800/+30.7800+130.2711/+30.8000+130.2728/+30.8067+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T21:00:00+09:00 2026-10-09T00:00:00+09:00 降灰 70 +30.8192+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3347/+30.7653+130.3200/+30.7600+130.3000/+30.7600+130.2972/+30.7429+130.2800/+30.7403+130.2600/+30.7400+130.2400/+30.7400+130.2399/+30.7224+130.2200/+30.7205+130.2000/+30.7200+130.1946/+30.7079+130.1800/+30.7018+130.1600/+30.7000+130.1456/+30.6954+130.1400/+30.6832+130.1200/+30.6800+130.1046/+30.6760+130.1000/+30.6641+130.0800/+30.6600+130.0675/+30.6534+130.0600/+30.6400+130.0459/+30.6338+130.0400/+30.6246+130.0200/+30.6200+130.0071/+30.6166+130.0000/+30.6097+129.9800/+30.6022+129.9600/+30.6000+129.9546/+30.5878+129.9400/+30.5800+129.9249/+30.5778+129.9200/+30.5719+129.9000/+30.5613+129.8800/+30.5600+129.8759/+30.5552+129.8600/+30.5600+129.8432/+30.5638+129.8400/+30.5800+129.8292/+30.6000+129.8249/+30.6126+129.8400/+30.6200+129.8469/+30.6364+129.8600/+30.6400+129.8625/+30.6529+129.8800/+30.6600+129.8880/+30.6683+129.9000/+30.6784+129.9200/+30.6800+129.9225/+30.6920+129.9400/+30.7000+129.9533/+30.7032+129.9600/+30.7107+129.9800/+30.7180+130.0000/+30.7200+130.0070/+30.7257+130.0200/+30.7360+130.0400/+30.7399+130.0600/+30.7400+130.0602/+30.7540+130.0800/+30.7583+130.1000/+30.7600+130.1165/+30.7619+130.1200/+30.7754+130.1400/+30.7789+130.1600/+30.7800+130.1763/+30.7831+130.1800/+30.7977+130.2000/+30.7996+130.2200/+30.8000+130.2400/+30.8000+130.2402/+30.8192+130.2600/ 南西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8109+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7619+130.3000/+30.7725+130.2800/+30.7800+130.2711/+30.8000+130.2682/+30.8109+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T00:00:00+09:00 2026-10-09T03:00:00+09:00 降灰 70 +30.8109+130.2400/+30.8180+130.2600/+30.8199+130.2800/+30.8200+130.3000/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3375/+30.7625+130.3200/+30.7600+130.3185/+30.7415+130.3000/+30.7400+130.2904/+30.7296+130.2800/+30.7203+130.2600/+30.7200+130.2585/+30.7021+130.2400/+30.7000+130.2337/+30.6878+130.2200/+30.6821+130.2000/+30.6800+130.1933/+30.6694+130.1800/+30.6649+130.1600/+30.6635+130.1400/+30.6622+130.1200/+30.6619+130.1000/+30.6609+130.0800/+30.6608+130.0600/+30.6650+130.0400/+30.6677+130.0200/+30.6717+130.0000/+30.6736+129.9800/+30.6800+129.9704/+30.6868+129.9600/+30.6965+129.9400/+30.7000+129.9312/+30.7054+129.9200/+30.7200+129.9050/+30.7345+129.9200/+30.7400+129.9361/+30.7411+129.9400/+30.7523+129.9600/+30.7600+129.9702/+30.7638+129.9800/+30.7668+130.0000/+30.7690+130.0200/+30.7720+130.0400/+30.7727+130.0600/+30.7770+130.0800/+30.7800+130.0993/+30.7803+130.1000/+30.7843+130.1200/+30.7892+130.1400/+30.7921+130.1600/+30.7957+130.1800/+30.7981+130.2000/+30.7996+130.2200/+30.8000+130.2241/+30.8109+130.2400/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8120+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3164/+30.7636+130.3000/+30.7783+130.2800/+30.7800+130.2781/+30.8000+130.2671/+30.8120+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T03:00:00+09:00 2026-10-09T06:00:00+09:00 降灰 70 +30.8194+130.2800/+30.8199+130.3000/+30.8179+130.3200/+30.8000+130.3379/+30.7800+130.3378/+30.7622+130.3200/+30.7600+130.3198/+30.7402+130.3000/+30.7400+130.2997/+30.7200+130.2852/+30.7147+130.2800/+30.7000+130.2738/+30.6858+130.2600/+30.6800+130.2549/+30.6643+130.2400/+30.6600+130.2360/+30.6427+130.2200/+30.6400+130.2165/+30.6214+130.2000/+30.6200+130.1979/+30.6023+130.1800/+30.6000+130.1776/+30.5827+130.1600/+30.5800+130.1552/+30.5606+130.1400/+30.5600+130.1393/+30.5468+130.1200/+30.5400+130.1078/+30.5324+130.1000/+30.5200+130.0820/+30.5185+130.0800/+30.5065+130.0600/+30.5000+130.0466/+30.4966+130.0400/+30.4907+130.0200/+30.4802+130.0000/+30.5000+129.9804/+30.5008+129.9800/+30.5200+129.9741/+30.5314+129.9800/+30.5400+129.9846/+30.5600+129.9966/+30.5631+130.0000/+30.5800+130.0128/+30.5869+130.0200/+30.6000+130.0335/+30.6061+130.0400/+30.6200+130.0475/+30.6318+130.0600/+30.6400+130.0698/+30.6483+130.0800/+30.6600+130.0900/+30.6714+130.1000/+30.6800+130.1093/+30.6876+130.1200/+30.7000+130.1376/+30.7023+130.1400/+30.7196+130.1600/+30.7200+130.1604/+30.7385+130.1800/+30.7400+130.1816/+30.7560+130.2000/+30.7600+130.2061/+30.7731+130.2200/+30.7799+130.2400/+30.7800+130.2401/+30.7993+130.2600/+30.8000+130.2605/+30.8194+130.2800/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7617+130.3000/+30.7664+130.2800/+30.7800+130.2664/+30.8000+130.2662/+30.8138+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T06:00:00+09:00 2026-10-09T09:00:00+09:00 降灰 70 +30.8163+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8155+130.3200/+30.8000+130.3355/+30.7800+130.3338/+30.7662+130.3200/+30.7600+130.3183/+30.7417+130.3000/+30.7400+130.2912/+30.7288+130.2800/+30.7200+130.2615/+30.7185+130.2600/+30.7009+130.2400/+30.7000+130.2375/+30.6835+130.2200/+30.6800+130.2129/+30.6671+130.2000/+30.6600+130.1836/+30.6570+130.1800/+30.6450+130.1600/+30.6400+130.1490/+30.6320+130.1400/+30.6314+130.1200/+30.6213+130.1000/+30.6200+130.0897/+30.6177+130.0800/+30.6087+130.0600/+30.6012+130.0400/+30.6006+130.0200/+30.6000+130.0116/+30.5990+130.0000/+30.5956+129.9800/+30.5932+129.9600/+30.5970+129.9400/+30.6000+129.9261/+30.6016+129.9200/+30.6108+129.9000/+30.6200+129.8910/+30.6400+129.8823/+30.6561+129.9000/+30.6600+129.9022/+30.6764+129.9200/+30.6800+129.9276/+30.6856+129.9400/+30.6941+129.9600/+30.7000+129.9749/+30.7016+129.9800/+30.7103+130.0000/+30.7138+130.0200/+30.7200+130.0304/+30.7271+130.0400/+30.7346+130.0600/+30.7394+130.0800/+30.7400+130.0828/+30.7488+130.1000/+30.7567+130.1200/+30.7600+130.1336/+30.7642+130.1400/+30.7743+130.1600/+30.7784+130.1800/+30.7800+130.1922/+30.7915+130.2000/+30.7994+130.2200/+30.8000+130.2400/+30.8000+130.2404/+30.8163+130.2600/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8109+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3166/+30.7634+130.3000/+30.7711+130.2800/+30.7800+130.2696/+30.8000+130.2672/+30.8109+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T09:00:00+09:00 2026-10-09T12:00:00+09:00 降灰 70 +30.8216+130.0800/+30.8280+130.1000/+30.8320+130.1200/+30.8345+130.1400/+30.8354+130.1600/+30.8359+130.1800/+30.8370+130.2000/+30.8371+130.2200/+30.8367+130.2400/+30.8312+130.2600/+30.8200+130.2717/+30.8200+130.2800/+30.8200+130.3000/+30.8144+130.3200/+30.8000+130.3344/+30.7800+130.3297/+30.7703+130.3200/+30.7601+130.3000/+30.7600+130.2985/+30.7418+130.2800/+30.7401+130.2600/+30.7400+130.2593/+30.7241+130.2400/+30.7200+130.2207/+30.7193+130.2200/+30.7093+130.2000/+30.7050+130.1800/+30.7009+130.1600/+30.7000+130.1553/+30.6935+130.1400/+30.6924+130.1200/+30.6872+130.1000/+30.6873+130.0800/+30.6917+130.0600/+30.6868+130.0400/+30.6816+130.0200/+30.6800+130.0082/+30.6789+130.0000/+30.6766+129.9800/+30.6773+129.9600/+30.6790+129.9400/+30.6800+129.9334/+30.6831+129.9200/+30.6897+129.9000/+30.6961+129.8800/+30.7000+129.8692/+30.7049+129.8600/+30.7200+129.8451/+30.7376+129.8600/+30.7400+129.8617/+30.7600+129.8733/+30.7634+129.8800/+30.7696+129.9000/+30.7757+129.9200/+30.7800+129.9286/+30.7843+129.9400/+30.7906+129.9600/+30.7957+129.9800/+30.8000+129.9883/+30.8052+130.0000/+30.8122+130.0200/+30.8158+130.0400/+30.8183+130.0600/+30.8200+130.0753/+30.8216+130.0800/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8122+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3111/+30.7689+130.3000/+30.7800+130.2817/+30.7814+130.2800/+30.8000+130.2655/+30.8122+130.2800/ 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、８日２１時から２４時までは火口から南西方向、９日０９時から１２時までは火口から西方向に降灰が予想されます。 　８日１８時から９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 　０８日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日００時から０３時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０３時から０６時まで　南西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０６時から０９時まで　南西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　４０ｋｍ　　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。