2026-09-01T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T08:00:00+09:00 2026-09-02T09:00:00+09:00 2026-09-03T03:00:00+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、２日０９時から１２時までは火口から西方向、２日２１時から２４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 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +30.9209+129.7400/+30.9211+129.7600/+30.9203+129.7800/+30.9200+129.7883/+30.9195+129.8000/+30.9103+129.8200/+30.9096+129.8400/+30.9091+129.8600/+30.9087+129.8800/+30.9080+129.9000/+30.9000+129.9104/+30.8961+129.9200/+30.8953+129.9400/+30.8945+129.9600/+30.8937+129.9800/+30.8924+130.0000/+30.8800+130.0136/+30.8778+130.0200/+30.8765+130.0400/+30.8739+130.0600/+30.8688+130.0800/+30.8600+130.0943/+30.8597+130.1000/+30.8591+130.1200/+30.8586+130.1400/+30.8577+130.1600/+30.8524+130.1800/+30.8400+130.1942/+30.8398+130.2000/+30.8397+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8323+130.2800/+30.8200+130.2923/+30.8199+130.3000/+30.8073+130.3200/+30.8000+130.3273/+30.7866+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7608+130.2600/+30.7638+130.2400/+30.7738+130.2200/+30.7800+130.2101/+30.7802+130.2000/+30.7806+130.1800/+30.7819+130.1600/+30.7844+130.1400/+30.7913+130.1200/+30.8000+130.1066/+30.8004+130.1000/+30.8014+130.0800/+30.8029+130.0600/+30.8048+130.0400/+30.8080+130.0200/+30.8122+130.0000/+30.8053+129.9800/+30.8083+129.9600/+30.8121+129.9400/+30.8164+129.9200/+30.8200+129.9074/+30.8215+129.9000/+30.8200+129.8828/+30.8196+129.8800/+30.8200+129.8778/+30.8237+129.8600/+30.8300+129.8400/+30.8366+129.8200/+30.8400+129.8123/+30.8438+129.8000/+30.8438+129.7800/+30.8565+129.7600/+30.8600+129.7533/+30.8665+129.7400/+30.8738+129.7200/+30.8800+129.7020/+30.8807+129.7000/+30.8870+129.6800/+30.8941+129.6600/+30.9000+129.6421/+30.9072+129.6600/+30.9132+129.6800/+30.9170+129.7000/+30.9192+129.7200/+30.9200+129.7287/+30.9209+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2633/+30.8136+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +30.9031+129.6200/+30.9061+129.6400/+30.9081+129.6600/+30.9094+129.6800/+30.9105+129.7000/+30.9089+129.7200/+30.9074+129.7400/+30.9059+129.7600/+30.9044+129.7800/+30.9052+129.8000/+30.9040+129.8200/+30.9048+129.8400/+30.9029+129.8600/+30.9008+129.8800/+30.9000+129.8927/+30.8996+129.9000/+30.8912+129.9200/+30.8905+129.9400/+30.8892+129.9600/+30.8871+129.9800/+30.8831+130.0000/+30.8800+130.0033/+30.8728+130.0200/+30.8653+130.0400/+30.8600+130.0550/+30.8597+130.0600/+30.8584+130.0800/+30.8577+130.1000/+30.8565+130.1200/+30.8545+130.1400/+30.8496+130.1600/+30.8400+130.1726/+30.8397+130.1800/+30.8395+130.2000/+30.8395+130.2200/+30.8394+130.2400/+30.8386+130.2600/+30.8255+130.2800/+30.8200+130.2855/+30.8199+130.3000/+30.8046+130.3200/+30.8000+130.3246/+30.7912+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7606+130.2400/+30.7613+130.2200/+30.7625+130.2000/+30.7642+130.1800/+30.7683+130.1600/+30.7736+130.1400/+30.7800+130.1227/+30.7801+130.1200/+30.7803+130.1000/+30.7810+130.0800/+30.7817+130.0600/+30.7827+130.0400/+30.7840+130.0200/+30.7854+130.0000/+30.7858+129.9800/+30.7878+129.9600/+30.7911+129.9400/+30.7975+129.9200/+30.8000+129.9100/+30.8024+129.9000/+30.8081+129.8800/+30.8112+129.8600/+30.8144+129.8400/+30.8171+129.8200/+30.8200+129.8033/+30.8207+129.8000/+30.8252+129.7800/+30.8311+129.7600/+30.8365+129.7400/+30.8400+129.7213/+30.8405+129.7200/+30.8480+129.7000/+30.8596+129.6800/+30.8600+129.6794/+30.8780+129.6600/+30.8800+129.6564/+30.8873+129.6400/+30.8946+129.6200/+30.9000+129.6032/+30.9031+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2633/+30.8136+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +30.8614+129.7200/+30.8631+129.7400/+30.8637+129.7600/+30.8634+129.7800/+30.8607+129.8000/+30.8600+129.8083/+30.8589+129.8200/+30.8570+129.8400/+30.8556+129.8600/+30.8540+129.8800/+30.8444+129.9000/+30.8447+129.9200/+30.8400+129.9350/+30.8397+129.9400/+30.8390+129.9600/+30.8387+129.9800/+30.8362+130.0000/+30.8349+130.0200/+30.8350+130.0400/+30.8337+130.0600/+30.8334+130.0800/+30.8325+130.1000/+30.8314+130.1200/+30.8288+130.1400/+30.8261+130.1600/+30.8200+130.1751/+30.8200+130.1800/+30.8199+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7605+130.2000/+30.7608+130.1800/+30.7610+130.1600/+30.7612+130.1400/+30.7616+130.1200/+30.7619+130.1000/+30.7621+130.0800/+30.7628+130.0600/+30.7627+130.0400/+30.7633+130.0200/+30.7634+130.0000/+30.7600+129.9896/+30.7507+129.9800/+30.7526+129.9600/+30.7549+129.9400/+30.7576+129.9200/+30.7600+129.9019/+30.7602+129.9000/+30.7642+129.8800/+30.7655+129.8600/+30.7672+129.8400/+30.7681+129.8200/+30.7690+129.8000/+30.7678+129.7800/+30.7711+129.7600/+30.7746+129.7400/+30.7782+129.7200/+30.7800+129.7114/+30.7827+129.7000/+30.7864+129.6800/+30.7908+129.6600/+30.7953+129.6400/+30.7998+129.6200/+30.8000+129.6194/+30.8200+129.6019/+30.8214+129.6000/+30.8365+129.5800/+30.8400+129.5746/+30.8424+129.5800/+30.8497+129.6000/+30.8522+129.6200/+30.8542+129.6400/+30.8560+129.6600/+30.8578+129.6800/+30.8592+129.7000/+30.8600+129.7051/+30.8614+129.7200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8155+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7838+130.2800/+30.8000+130.2613/+30.8155+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+09:00 降灰 70 +30.8216+129.8800/+30.8200+129.8832/+30.8154+129.9000/+30.8171+129.9200/+30.8186+129.9400/+30.8196+129.9600/+30.8200+129.9688/+30.8215+129.9800/+30.8200+129.9840/+30.8179+130.0000/+30.8180+130.0200/+30.8182+130.0400/+30.8178+130.0600/+30.8190+130.0800/+30.8189+130.1000/+30.8192+130.1200/+30.8192+130.1400/+30.8195+130.1600/+30.8196+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7602+130.2000/+30.7602+130.1800/+30.7601+130.1600/+30.7600+130.1510/+30.7545+130.1400/+30.7498+130.1200/+30.7470+130.1000/+30.7450+130.0800/+30.7435+130.0600/+30.7431+130.0400/+30.7429+130.0200/+30.7422+130.0000/+30.7400+129.9935/+30.7274+129.9800/+30.7272+129.9600/+30.7273+129.9400/+30.7279+129.9200/+30.7270+129.9000/+30.7253+129.8800/+30.7246+129.8600/+30.7237+129.8400/+30.7236+129.8200/+30.7235+129.8000/+30.7200+129.7875/+30.7169+129.7800/+30.7190+129.7600/+30.7200+129.7507/+30.7212+129.7400/+30.7231+129.7200/+30.7252+129.7000/+30.7274+129.6800/+30.7299+129.6600/+30.7327+129.6400/+30.7356+129.6200/+30.7392+129.6000/+30.7400+129.5898/+30.7423+129.5800/+30.7477+129.5600/+30.7550+129.5400/+30.7600+129.5288/+30.7639+129.5400/+30.7705+129.5600/+30.7770+129.5800/+30.7800+129.5887/+30.7841+129.6000/+30.7905+129.6200/+30.7948+129.6400/+30.8000+129.6569/+30.8005+129.6600/+30.8048+129.6800/+30.8084+129.7000/+30.8097+129.7200/+30.8109+129.7400/+30.8131+129.7600/+30.8161+129.7800/+30.8128+129.8000/+30.8157+129.8200/+30.8181+129.8400/+30.8200+129.8600/+30.8200+129.8601/+30.8216+129.8800/ 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/+30.7800+130.2828/+30.7772+130.2800/+30.7800+130.2718/+30.8000+130.2606/+30.8154+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-02T21:00:00+09:00 2026-09-03T00:00:00+09:00 降灰 70 +30.8206+129.6000/+30.8220+129.6200/+30.8232+129.6400/+30.8248+129.6600/+30.8268+129.6800/+30.8285+129.7000/+30.8300+129.7200/+30.8313+129.7400/+30.8327+129.7600/+30.8341+129.7800/+30.8300+129.8000/+30.8305+129.8200/+30.8309+129.8400/+30.8312+129.8600/+30.8314+129.8800/+30.8269+129.9000/+30.8275+129.9200/+30.8288+129.9400/+30.8299+129.9600/+30.8308+129.9800/+30.8200+129.9932/+30.8185+130.0000/+30.8185+130.0200/+30.8188+130.0400/+30.8193+130.0600/+30.8194+130.0800/+30.8195+130.1000/+30.8197+130.1200/+30.8198+130.1400/+30.8200+130.1580/+30.8229+130.1600/+30.8214+130.1800/+30.8205+130.2000/+30.8200+130.2055/+30.8200+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8005+130.3200/+30.8000+130.3205/+30.7990+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7603+130.1800/+30.7603+130.1600/+30.7604+130.1400/+30.7604+130.1200/+30.7602+130.1000/+30.7600+130.0923/+30.7544+130.0800/+30.7511+130.0600/+30.7494+130.0400/+30.7481+130.0200/+30.7457+130.0000/+30.7400+129.9808/+30.7392+129.9800/+30.7400+129.9698/+30.7402+129.9600/+30.7405+129.9400/+30.7405+129.9200/+30.7408+129.9000/+30.7400+129.8976/+30.7319+129.8800/+30.7328+129.8600/+30.7338+129.8400/+30.7342+129.8200/+30.7347+129.8000/+30.7322+129.7800/+30.7362+129.7600/+30.7400+129.7412/+30.7403+129.7400/+30.7439+129.7200/+30.7481+129.7000/+30.7515+129.6800/+30.7554+129.6600/+30.7587+129.6400/+30.7600+129.6282/+30.7609+129.6200/+30.7633+129.6000/+30.7673+129.5800/+30.7733+129.5600/+30.7796+129.5400/+30.7800+129.5381/+30.7848+129.5200/+30.7923+129.5000/+30.8000+129.4831/+30.8026+129.5000/+30.8058+129.5200/+30.8086+129.5400/+30.8126+129.5600/+30.8171+129.5800/+30.8200+129.5960/+30.8206+129.6000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8044+130.2600/+30.8164+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2842/+30.7758+130.2800/+30.7800+130.2641/+30.7839+130.2600/+30.8000+130.2530/+30.8044+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T00:00:00+09:00 2026-09-03T03:00:00+09:00 降灰 70 +30.8422+129.6400/+30.8449+129.6600/+30.8478+129.6800/+30.8503+129.7000/+30.8501+129.7200/+30.8499+129.7400/+30.8500+129.7600/+30.8503+129.7800/+30.8482+129.8000/+30.8502+129.8200/+30.8520+129.8400/+30.8508+129.8600/+30.8495+129.8800/+30.8400+129.8931/+30.8391+129.9000/+30.8389+129.9200/+30.8387+129.9400/+30.8386+129.9600/+30.8385+129.9800/+30.8363+130.0000/+30.8354+130.0200/+30.8351+130.0400/+30.8341+130.0600/+30.8342+130.0800/+30.8335+130.1000/+30.8314+130.1200/+30.8302+130.1400/+30.8262+130.1600/+30.8200+130.1755/+30.8200+130.1800/+30.8199+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8198+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/+30.7602+130.2200/+30.7602+130.2000/+30.7603+130.1800/+30.7604+130.1600/+30.7605+130.1400/+30.7606+130.1200/+30.7607+130.1000/+30.7608+130.0800/+30.7609+130.0600/+30.7610+130.0400/+30.7610+130.0200/+30.7608+130.0000/+30.7600+129.9969/+30.7456+129.9800/+30.7464+129.9600/+30.7475+129.9400/+30.7492+129.9200/+30.7509+129.9000/+30.7517+129.8800/+30.7533+129.8600/+30.7551+129.8400/+30.7581+129.8200/+30.7600+129.8085/+30.7605+129.8000/+30.7600+129.7950/+30.7565+129.7800/+30.7591+129.7600/+30.7600+129.7527/+30.7610+129.7400/+30.7624+129.7200/+30.7641+129.7000/+30.7653+129.6800/+30.7668+129.6600/+30.7688+129.6400/+30.7715+129.6200/+30.7749+129.6000/+30.7767+129.5800/+30.7788+129.5600/+30.7800+129.5535/+30.7827+129.5400/+30.7895+129.5200/+30.7984+129.5000/+30.7998+129.4800/+30.8000+129.4773/+30.8006+129.4800/+30.8046+129.5000/+30.8200+129.5156/+30.8229+129.5200/+30.8319+129.5400/+30.8354+129.5600/+30.8362+129.5800/+30.8368+129.6000/+30.8397+129.6200/+30.8400+129.6225/+30.8422+129.6400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8069+130.2600/+30.8169+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7814+130.2800/+30.7903+130.2600/+30.8000+130.2490/+30.8069+130.2600/ 西 4 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、２日０９時から１２時までは火口から西方向、２日２１時から２４時までは火口から西方向に降灰が予想されます。 　２日９時から３日３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 　０２日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日２１時から２４時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０３日００時から０３時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　 　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。