2026-09-09T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-09T17:00:00+09:00 2026-09-09T18:00:00+09:00 2026-09-10T12:00:00+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、９日２１時から２４時までは火口から西方向、１０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 2026-09-09T18:00:00+09:00 2026-09-09T21:00:00+09:00 降灰 70 +30.8824+129.6000/+30.8865+129.6200/+30.8881+129.6400/+30.8891+129.6600/+30.8899+129.6800/+30.8904+129.7000/+30.8885+129.7200/+30.8870+129.7400/+30.8859+129.7600/+30.8852+129.7800/+30.8806+129.8000/+30.8800+129.8012/+30.8755+129.8200/+30.8718+129.8400/+30.8707+129.8600/+30.8697+129.8800/+30.8658+129.9000/+30.8651+129.9200/+30.8638+129.9400/+30.8615+129.9600/+30.8600+129.9675/+30.8585+129.9800/+30.8484+130.0000/+30.8400+130.0101/+30.8394+130.0200/+30.8384+130.0400/+30.8376+130.0600/+30.8372+130.0800/+30.8368+130.1000/+30.8360+130.1200/+30.8349+130.1400/+30.8332+130.1600/+30.8296+130.1800/+30.8221+130.2000/+30.8200+130.2027/+30.8199+130.2200/+30.8199+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7602+130.2000/+30.7603+130.1800/+30.7602+130.1600/+30.7602+130.1400/+30.7602+130.1200/+30.7601+130.1000/+30.7601+130.0800/+30.7602+130.0600/+30.7604+130.0400/+30.7602+130.0200/+30.7608+130.0000/+30.7600+129.9965/+30.7469+129.9800/+30.7492+129.9600/+30.7520+129.9400/+30.7554+129.9200/+30.7600+129.9016/+30.7603+129.9000/+30.7650+129.8800/+30.7676+129.8600/+30.7713+129.8400/+30.7733+129.8200/+30.7759+129.8000/+30.7789+129.7800/+30.7800+129.7768/+30.7873+129.7600/+30.7961+129.7400/+30.8000+129.7280/+30.8023+129.7200/+30.8078+129.7000/+30.8141+129.6800/+30.8200+129.6634/+30.8213+129.6600/+30.8280+129.6400/+30.8344+129.6200/+30.8400+129.6047/+30.8450+129.6000/+30.8600+129.5831/+30.8800+129.5964/+30.8824+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8156+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7802+130.2800/+30.8000+130.2600/+30.8156+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-09T21:00:00+09:00 2026-09-10T00:00:00+09:00 降灰 70 +30.8616+129.6600/+30.8650+129.6800/+30.8677+129.7000/+30.8684+129.7200/+30.8690+129.7400/+30.8692+129.7600/+30.8690+129.7800/+30.8651+129.8000/+30.8631+129.8200/+30.8610+129.8400/+30.8617+129.8600/+30.8622+129.8800/+30.8600+129.8880/+30.8576+129.9000/+30.8572+129.9200/+30.8562+129.9400/+30.8545+129.9600/+30.8513+129.9800/+30.8400+129.9955/+30.8393+130.0000/+30.8379+130.0200/+30.8378+130.0400/+30.8375+130.0600/+30.8362+130.0800/+30.8359+130.1000/+30.8354+130.1200/+30.8348+130.1400/+30.8331+130.1600/+30.8310+130.1800/+30.8267+130.2000/+30.8200+130.2135/+30.8200+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2627/+30.8254+130.2800/+30.8200+130.2866/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7601+130.2000/+30.7600+130.1841/+30.7571+130.1800/+30.7495+130.1600/+30.7471+130.1400/+30.7462+130.1200/+30.7458+130.1000/+30.7453+130.0800/+30.7460+130.0600/+30.7461+130.0400/+30.7460+130.0200/+30.7471+130.0000/+30.7411+129.9800/+30.7426+129.9600/+30.7441+129.9400/+30.7460+129.9200/+30.7489+129.9000/+30.7469+129.8800/+30.7497+129.8600/+30.7532+129.8400/+30.7570+129.8200/+30.7600+129.8067/+30.7612+129.8000/+30.7653+129.7800/+30.7700+129.7600/+30.7752+129.7400/+30.7800+129.7213/+30.7804+129.7200/+30.7862+129.7000/+30.7903+129.6800/+30.7950+129.6600/+30.8000+129.6444/+30.8097+129.6400/+30.8200+129.6357/+30.8400+129.6263/+30.8524+129.6400/+30.8600+129.6527/+30.8616+129.6600/ 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/+30.7803+130.2800/+30.8000+130.2604/+30.8159+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-10T00:00:00+09:00 2026-09-10T03:00:00+09:00 降灰 70 +30.8656+129.6800/+30.8700+129.7000/+30.8720+129.7200/+30.8736+129.7400/+30.8738+129.7600/+30.8729+129.7800/+30.8670+129.8000/+30.8662+129.8200/+30.8656+129.8400/+30.8646+129.8600/+30.8636+129.8800/+30.8600+129.8919/+30.8581+129.9000/+30.8584+129.9200/+30.8579+129.9400/+30.8570+129.9600/+30.8556+129.9800/+30.8460+130.0000/+30.8400+130.0166/+30.8399+130.0200/+30.8390+130.0400/+30.8383+130.0600/+30.8380+130.0800/+30.8376+130.1000/+30.8377+130.1200/+30.8373+130.1400/+30.8380+130.1600/+30.8387+130.1800/+30.8400+130.1965/+30.8531+130.1800/+30.8600+130.1735/+30.8760+130.1800/+30.8652+130.2000/+30.8642+130.2200/+30.8600+130.2245/+30.8538+130.2400/+30.8400+130.2585/+30.8393+130.2600/+30.8346+130.2800/+30.8200+130.2960/+30.8199+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3284/+30.7716+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7603+130.1800/+30.7602+130.1600/+30.7601+130.1400/+30.7600+130.1200/+30.7600+130.1186/+30.7538+130.1000/+30.7528+130.0800/+30.7526+130.0600/+30.7537+130.0400/+30.7526+130.0200/+30.7533+130.0000/+30.7454+129.9800/+30.7470+129.9600/+30.7488+129.9400/+30.7505+129.9200/+30.7525+129.9000/+30.7524+129.8800/+30.7592+129.8600/+30.7600+129.8582/+30.7648+129.8400/+30.7670+129.8200/+30.7693+129.8000/+30.7696+129.7800/+30.7723+129.7600/+30.7768+129.7400/+30.7800+129.7310/+30.7846+129.7200/+30.7964+129.7000/+30.8000+129.6888/+30.8075+129.6800/+30.8200+129.6674/+30.8286+129.6600/+30.8400+129.6462/+30.8554+129.6600/+30.8600+129.6632/+30.8656+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8156+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7814+130.2800/+30.8000+130.2600/+30.8156+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-10T03:00:00+09:00 2026-09-10T06:00:00+09:00 降灰 70 +30.9282+129.7200/+30.9333+129.7400/+30.9351+129.7600/+30.9353+129.7800/+30.9354+129.8000/+30.9333+129.8200/+30.9280+129.8400/+30.9259+129.8600/+30.9237+129.8800/+30.9200+129.8882/+30.9175+129.9000/+30.9145+129.9200/+30.9109+129.9400/+30.9055+129.9600/+30.9000+129.9731/+30.8992+129.9800/+30.8973+130.0000/+30.8917+130.0200/+30.8850+130.0400/+30.8800+130.0527/+30.8791+130.0600/+30.8745+130.0800/+30.8713+130.1000/+30.8600+130.1172/+30.8597+130.1200/+30.8586+130.1400/+30.8570+130.1600/+30.8541+130.1800/+30.8400+130.1995/+30.8400+130.2000/+30.8398+130.2200/+30.8397+130.2400/+30.8400+130.2555/+30.8600+130.2567/+30.8617+130.2600/+30.8600+130.2613/+30.8503+130.2800/+30.8400+130.2885/+30.8293+130.3000/+30.8200+130.3089/+30.8096+130.3200/+30.8000+130.3296/+30.7821+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7602+130.2800/+30.7603+130.2600/+30.7610+130.2400/+30.7635+130.2200/+30.7706+130.2000/+30.7800+130.1846/+30.7801+130.1800/+30.7804+130.1600/+30.7808+130.1400/+30.7814+130.1200/+30.7825+130.1000/+30.7839+130.0800/+30.7857+130.0600/+30.7877+130.0400/+30.7904+130.0200/+30.7975+130.0000/+30.7937+129.9800/+30.7995+129.9600/+30.8000+129.9585/+30.8038+129.9400/+30.8094+129.9200/+30.8168+129.9000/+30.8192+129.8800/+30.8200+129.8764/+30.8243+129.8600/+30.8322+129.8400/+30.8392+129.8200/+30.8400+129.8182/+30.8454+129.8000/+30.8495+129.7800/+30.8600+129.7604/+30.8602+129.7600/+30.8713+129.7400/+30.8800+129.7229/+30.8815+129.7200/+30.8920+129.7000/+30.9000+129.6839/+30.9181+129.7000/+30.9200+129.7027/+30.9282+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7860+130.2800/+30.8000+130.2623/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-10T06:00:00+09:00 2026-09-10T09:00:00+09:00 降灰 70 +30.9244+129.7600/+30.9287+129.7800/+30.9311+129.8000/+30.9310+129.8200/+30.9277+129.8400/+30.9200+129.8580/+30.9193+129.8600/+30.9142+129.8800/+30.9111+129.9000/+30.9051+129.9200/+30.9000+129.9322/+30.8987+129.9400/+30.8961+129.9600/+30.8942+129.9800/+30.8917+130.0000/+30.8800+130.0179/+30.8793+130.0200/+30.8766+130.0400/+30.8724+130.0600/+30.8641+130.0800/+30.8600+130.0883/+30.8591+130.1000/+30.8582+130.1200/+30.8565+130.1400/+30.8542+130.1600/+30.8479+130.1800/+30.8400+130.1897/+30.8396+130.2000/+30.8394+130.2200/+30.8391+130.2400/+30.8383+130.2600/+30.8364+130.2800/+30.8278+130.3000/+30.8200+130.3077/+30.8144+130.3200/+30.8000+130.3344/+30.7800+130.3227/+30.7773+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7606+130.2200/+30.7611+130.2000/+30.7619+130.1800/+30.7629+130.1600/+30.7640+130.1400/+30.7669+130.1200/+30.7691+130.1000/+30.7725+130.0800/+30.7779+130.0600/+30.7800+130.0531/+30.7810+130.0400/+30.7823+130.0200/+30.7844+130.0000/+30.7850+129.9800/+30.7885+129.9600/+30.7947+129.9400/+30.8000+129.9306/+30.8068+129.9200/+30.8118+129.9000/+30.8164+129.8800/+30.8200+129.8698/+30.8243+129.8600/+30.8371+129.8400/+30.8400+129.8329/+30.8442+129.8200/+30.8519+129.8000/+30.8600+129.7852/+30.8651+129.7800/+30.8783+129.7600/+30.8800+129.7570/+30.8902+129.7400/+30.9000+129.7234/+30.9163+129.7400/+30.9200+129.7469/+30.9244+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8129+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2643/+30.8129+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-10T09:00:00+09:00 2026-09-10T12:00:00+09:00 降灰 70 +30.9636+129.8200/+30.9632+129.8400/+30.9600+129.8578/+30.9595+129.8600/+30.9562+129.8800/+30.9511+129.9000/+30.9482+129.9200/+30.9443+129.9400/+30.9401+129.9600/+30.9400+129.9603/+30.9351+129.9800/+30.9311+130.0000/+30.9259+130.0200/+30.9200+130.0268/+30.9136+130.0400/+30.9066+130.0600/+30.9000+130.0751/+30.8993+130.0800/+30.8948+130.1000/+30.8889+130.1200/+30.8800+130.1335/+30.8790+130.1400/+30.8764+130.1600/+30.8682+130.1800/+30.8600+130.1903/+30.8591+130.2000/+30.8576+130.2200/+30.8489+130.2400/+30.8400+130.2485/+30.8398+130.2600/+30.8395+130.2800/+30.8374+130.3000/+30.8200+130.3174/+30.8179+130.3200/+30.8000+130.3379/+30.7800+130.3323/+30.7677+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7604+130.2600/+30.7613+130.2400/+30.7636+130.2200/+30.7686+130.2000/+30.7793+130.1800/+30.7800+130.1786/+30.7807+130.1600/+30.7818+130.1400/+30.7832+130.1200/+30.7855+130.1000/+30.7890+130.0800/+30.7994+130.0600/+30.8000+130.0572/+30.8019+130.0400/+30.8070+130.0200/+30.8180+130.0000/+30.8200+129.9904/+30.8219+129.9800/+30.8291+129.9600/+30.8400+129.9414/+30.8407+129.9400/+30.8541+129.9200/+30.8600+129.9097/+30.8660+129.9000/+30.8782+129.8800/+30.8800+129.8764/+30.8877+129.8600/+30.8979+129.8400/+30.9000+129.8358/+30.9084+129.8200/+30.9200+129.8091/+30.9370+129.8000/+30.9400+129.7957/+30.9517+129.8000/+30.9600+129.8043/+30.9636+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8096+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7932+130.2800/+30.8000+130.2717/+30.8096+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、９日２１時から２４時までは火口から西方向、１０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。 　９日１８時から１０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 　０９日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０９日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日００時から０３時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日０９時から１２時まで　西　　　　　　　５０ｋｍ　　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。