2026-08-31T11:00:00Z 通常 気象庁本庁 気象庁 2026-08-31T20:00:00+09:00 2026-08-31T21:00:00+09:00 2026-09-01T15:00:00+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、３１日２１時から２４時までは火口から北西方向、１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 2026-08-31T21:00:00+09:00 2026-09-01T00:00:00+09:00 降灰 70 +31.0658+129.7200/+31.0726+129.7400/+31.0716+129.7600/+31.0674+129.7800/+31.0639+129.8000/+31.0600+129.8079/+31.0522+129.8200/+31.0426+129.8400/+31.0400+129.8461/+31.0364+129.8600/+31.0265+129.8800/+31.0207+129.9000/+31.0200+129.9019/+31.0115+129.9200/+31.0000+129.9352/+30.9985+129.9400/+30.9905+129.9600/+30.9800+129.9772/+30.9784+129.9800/+30.9617+130.0000/+30.9600+130.0015/+30.9554+130.0200/+30.9498+130.0400/+30.9400+130.0498/+30.9316+130.0600/+30.9200+130.0743/+30.9185+130.0800/+30.9127+130.1000/+30.9000+130.1149/+30.8991+130.1200/+30.8950+130.1400/+30.8800+130.1571/+30.8796+130.1600/+30.8778+130.1800/+30.8600+130.1998/+30.8600+130.2000/+30.8594+130.2200/+30.8560+130.2400/+30.8400+130.2561/+30.8399+130.2600/+30.8398+130.2800/+30.8324+130.3000/+30.8200+130.3124/+30.8048+130.3200/+30.8000+130.3248/+30.7923+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7610+130.2800/+30.7800+130.2609/+30.7801+130.2600/+30.7802+130.2400/+30.7818+130.2200/+30.8000+130.2006/+30.8001+130.2000/+30.8008+130.1800/+30.8041+130.1600/+30.8199+130.1400/+30.8200+130.1399/+30.8220+130.1200/+30.8278+130.1000/+30.8400+130.0846/+30.8411+130.0800/+30.8457+130.0600/+30.8600+130.0407/+30.8602+130.0400/+30.8650+130.0200/+30.8640+130.0000/+30.8744+129.9800/+30.8800+129.9701/+30.8857+129.9600/+30.9000+129.9443/+30.9022+129.9400/+30.9108+129.9200/+30.9200+129.9014/+30.9207+129.9000/+30.9313+129.8800/+30.9391+129.8600/+30.9400+129.8584/+30.9553+129.8400/+30.9600+129.8334/+30.9679+129.8200/+30.9766+129.8000/+30.9800+129.7935/+30.9893+129.7800/+31.0000+129.7693/+31.0157+129.7600/+31.0200+129.7550/+31.0296+129.7400/+31.0400+129.7234/+31.0488+129.7200/+31.0600+129.7137/+31.0658+129.7200/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8153+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7874+130.2800/+30.8000+130.2642/+30.8153+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T00:00:00+09:00 2026-09-01T03:00:00+09:00 降灰 70 +31.0668+129.7000/+31.0717+129.7200/+31.0734+129.7400/+31.0706+129.7600/+31.0636+129.7800/+31.0600+129.7893/+31.0538+129.8000/+31.0454+129.8200/+31.0404+129.8400/+31.0400+129.8414/+31.0372+129.8600/+31.0292+129.8800/+31.0237+129.9000/+31.0200+129.9090/+31.0138+129.9200/+31.0000+129.9375/+30.9991+129.9400/+30.9913+129.9600/+30.9807+129.9800/+30.9800+129.9813/+30.9705+130.0000/+30.9600+130.0112/+30.9580+130.0200/+30.9534+130.0400/+30.9400+130.0532/+30.9348+130.0600/+30.9200+130.0779/+30.9195+130.0800/+30.9165+130.1000/+30.9030+130.1200/+30.9000+130.1232/+30.8983+130.1400/+30.8912+130.1600/+30.8800+130.1717/+30.8793+130.1800/+30.8768+130.2000/+30.8600+130.2175/+30.8598+130.2200/+30.8591+130.2400/+30.8400+130.2597/+30.8400+130.2600/+30.8399+130.2800/+30.8374+130.3000/+30.8200+130.3174/+30.8075+130.3200/+30.8000+130.3275/+30.7886+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7620+130.2800/+30.7800+130.2620/+30.7801+130.2600/+30.7805+130.2400/+30.7893+130.2200/+30.8000+130.2091/+30.8005+130.2000/+30.8026+130.1800/+30.8161+130.1600/+30.8200+130.1554/+30.8215+130.1400/+30.8262+130.1200/+30.8400+130.1016/+30.8404+130.1000/+30.8441+130.0800/+30.8562+130.0600/+30.8600+130.0544/+30.8642+130.0400/+30.8756+130.0200/+30.8720+130.0000/+30.8800+129.9887/+30.8879+129.9800/+30.9000+129.9640/+30.9012+129.9600/+30.9074+129.9400/+30.9198+129.9200/+30.9200+129.9197/+30.9265+129.9000/+30.9365+129.8800/+30.9400+129.8706/+30.9457+129.8600/+30.9600+129.8452/+30.9631+129.8400/+30.9711+129.8200/+30.9800+129.8001/+30.9801+129.8000/+30.9906+129.7800/+31.0000+129.7682/+31.0114+129.7600/+31.0200+129.7466/+31.0230+129.7400/+31.0332+129.7200/+31.0400+129.7068/+31.0514+129.7000/+31.0600+129.6950/+31.0668+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8162+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7868+130.2800/+30.8000+130.2635/+30.8162+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T03:00:00+09:00 2026-09-01T06:00:00+09:00 降灰 70 +31.0328+129.7400/+31.0342+129.7600/+31.0297+129.7800/+31.0279+129.8000/+31.0241+129.8200/+31.0208+129.8400/+31.0200+129.8419/+31.0130+129.8600/+31.0051+129.8800/+31.0000+129.8881/+30.9967+129.9000/+30.9922+129.9200/+30.9877+129.9400/+30.9800+129.9522/+30.9749+129.9600/+30.9600+129.9783/+30.9595+129.9800/+30.9562+130.0000/+30.9522+130.0200/+30.9422+130.0400/+30.9400+130.0422/+30.9263+130.0600/+30.9200+130.0676/+30.9175+130.0800/+30.9129+130.1000/+30.9000+130.1152/+30.8992+130.1200/+30.8966+130.1400/+30.8811+130.1600/+30.8800+130.1612/+30.8789+130.1800/+30.8736+130.2000/+30.8600+130.2141/+30.8597+130.2200/+30.8588+130.2400/+30.8400+130.2593/+30.8400+130.2600/+30.8399+130.2800/+30.8362+130.3000/+30.8200+130.3162/+30.8110+130.3200/+30.8000+130.3310/+30.7826+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7615+130.2800/+30.7800+130.2615/+30.7801+130.2600/+30.7805+130.2400/+30.7939+130.2200/+30.8000+130.2139/+30.8005+130.2000/+30.8023+130.1800/+30.8200+130.1605/+30.8201+130.1600/+30.8213+130.1400/+30.8263+130.1200/+30.8400+130.1035/+30.8406+130.1000/+30.8426+130.0800/+30.8497+130.0600/+30.8600+130.0464/+30.8613+130.0400/+30.8648+130.0200/+30.8637+130.0000/+30.8719+129.9800/+30.8800+129.9612/+30.8804+129.9600/+30.8911+129.9400/+30.9000+129.9307/+30.9042+129.9200/+30.9016+129.9000/+30.9200+129.8805/+30.9203+129.8800/+30.9276+129.8600/+30.9376+129.8400/+30.9400+129.8329/+30.9457+129.8200/+30.9600+129.8042/+30.9664+129.8000/+30.9757+129.7800/+30.9800+129.7704/+30.9845+129.7600/+30.9946+129.7400/+31.0000+129.7323/+31.0200+129.7350/+31.0328+129.7400/ 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/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7886+130.2800/+30.8000+130.2660/+30.8141+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T06:00:00+09:00 2026-09-01T09:00:00+09:00 降灰 70 +31.1016+129.7800/+31.1115+129.8000/+31.1060+129.8200/+31.1007+129.8400/+31.1000+129.8412/+31.0903+129.8600/+31.0814+129.8800/+31.0800+129.8847/+31.0756+129.9000/+31.0625+129.9200/+31.0600+129.9257/+31.0511+129.9400/+31.0400+129.9507/+31.0359+129.9600/+31.0200+129.9771/+31.0183+129.9800/+31.0116+130.0000/+31.0001+130.0200/+31.0000+130.0201/+30.9900+130.0400/+30.9800+130.0566/+30.9730+130.0600/+30.9600+130.0654/+30.9557+130.0800/+30.9400+130.0992/+30.9397+130.1000/+30.9327+130.1200/+30.9200+130.1339/+30.9182+130.1400/+30.9061+130.1600/+30.9000+130.1663/+30.8976+130.1800/+30.8800+130.1987/+30.8798+130.2000/+30.8775+130.2200/+30.8600+130.2378/+30.8598+130.2400/+30.8580+130.2600/+30.8400+130.2780/+30.8399+130.2800/+30.8389+130.3000/+30.8200+130.3189/+30.8117+130.3200/+30.8000+130.3317/+30.7829+130.3200/+30.7800+130.3199/+30.7605+130.3000/+30.7635+130.2800/+30.7800+130.2635/+30.7801+130.2600/+30.7828+130.2400/+30.8000+130.2228/+30.8003+130.2200/+30.8039+130.2000/+30.8200+130.1835/+30.8206+130.1800/+30.8248+130.1600/+30.8400+130.1438/+30.8410+130.1400/+30.8449+130.1200/+30.8600+130.1030/+30.8612+130.1000/+30.8674+130.0800/+30.8800+130.0651/+30.8818+130.0600/+30.8890+130.0400/+30.9000+130.0272/+30.9030+130.0200/+30.9057+130.0000/+30.9163+129.9800/+30.9200+129.9733/+30.9267+129.9600/+30.9400+129.9422/+30.9417+129.9400/+30.9600+129.9204/+30.9605+129.9200/+30.9703+129.9000/+30.9800+129.8855/+30.9846+129.8800/+31.0000+129.8611/+31.0015+129.8600/+31.0200+129.8430/+31.0236+129.8400/+31.0399+129.8200/+31.0400+129.8199/+31.0600+129.8076/+31.0738+129.8000/+31.0800+129.7956/+31.0979+129.7800/+31.1000+129.7778/+31.1016+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8164+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7891+130.2800/+30.8000+130.2674/+30.8164+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T09:00:00+09:00 2026-09-01T12:00:00+09:00 降灰 70 +31.0673+129.7800/+31.0715+129.8000/+31.0666+129.8200/+31.0630+129.8400/+31.0600+129.8478/+31.0549+129.8600/+31.0471+129.8800/+31.0400+129.8896/+31.0352+129.9000/+31.0282+129.9200/+31.0205+129.9400/+31.0200+129.9410/+31.0087+129.9600/+31.0000+129.9699/+30.9962+129.9800/+30.9887+130.0000/+30.9800+130.0172/+30.9789+130.0200/+30.9632+130.0400/+30.9600+130.0422/+30.9521+130.0600/+30.9400+130.0754/+30.9382+130.0800/+30.9293+130.1000/+30.9200+130.1111/+30.9180+130.1200/+30.9102+130.1400/+30.9000+130.1516/+30.8984+130.1600/+30.8898+130.1800/+30.8800+130.1903/+30.8789+130.2000/+30.8712+130.2200/+30.8600+130.2313/+30.8595+130.2400/+30.8541+130.2600/+30.8400+130.2741/+30.8399+130.2800/+30.8380+130.3000/+30.8200+130.3180/+30.8085+130.3200/+30.8000+130.3285/+30.7871+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7621+130.2800/+30.7800+130.2621/+30.7801+130.2600/+30.7806+130.2400/+30.7948+130.2200/+30.8000+130.2148/+30.8006+130.2000/+30.8033+130.1800/+30.8200+130.1613/+30.8203+130.1600/+30.8220+130.1400/+30.8294+130.1200/+30.8400+130.1073/+30.8415+130.1000/+30.8462+130.0800/+30.8600+130.0607/+30.8602+130.0600/+30.8643+130.0400/+30.8753+130.0200/+30.8741+130.0000/+30.8800+129.9901/+30.8859+129.9800/+30.8997+129.9600/+30.9000+129.9597/+30.9089+129.9400/+30.9200+129.9227/+30.9223+129.9200/+30.9317+129.9000/+30.9400+129.8875/+30.9468+129.8800/+30.9600+129.8630/+30.9626+129.8600/+30.9792+129.8400/+30.9800+129.8380/+30.9913+129.8200/+31.0000+129.8115/+31.0200+129.8013/+31.0214+129.8000/+31.0388+129.7800/+31.0400+129.7784/+31.0600+129.7686/+31.0673+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8166+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7883+130.2800/+30.8000+130.2655/+30.8166+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T12:00:00+09:00 2026-09-01T15:00:00+09:00 降灰 70 +30.9610+129.7600/+30.9652+129.7800/+30.9680+129.8000/+30.9636+129.8200/+30.9600+129.8333/+30.9589+129.8400/+30.9537+129.8600/+30.9508+129.8800/+30.9489+129.9000/+30.9472+129.9200/+30.9400+129.9329/+30.9369+129.9400/+30.9335+129.9600/+30.9299+129.9800/+30.9246+130.0000/+30.9200+130.0126/+30.9165+130.0200/+30.9000+130.0333/+30.8990+130.0400/+30.8974+130.0600/+30.8934+130.0800/+30.8800+130.0992/+30.8799+130.1000/+30.8788+130.1200/+30.8773+130.1400/+30.8698+130.1600/+30.8600+130.1708/+30.8597+130.1800/+30.8593+130.2000/+30.8569+130.2200/+30.8400+130.2376/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8061+130.3200/+30.8000+130.3261/+30.7897+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7606+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7802+130.2400/+30.7806+130.2200/+30.7855+130.2000/+30.8000+130.1841/+30.8002+130.1800/+30.8008+130.1600/+30.8023+130.1400/+30.8064+130.1200/+30.8200+130.1009/+30.8201+130.1000/+30.8214+130.0800/+30.8234+130.0600/+30.8273+130.0400/+30.8355+130.0200/+30.8400+130.0122/+30.8416+130.0000/+30.8416+129.9800/+30.8440+129.9600/+30.8472+129.9400/+30.8516+129.9200/+30.8581+129.9000/+30.8600+129.8811/+30.8601+129.8800/+30.8666+129.8600/+30.8792+129.8400/+30.8800+129.8385/+30.8875+129.8200/+30.8957+129.8000/+30.9000+129.7860/+30.9078+129.7800/+30.9200+129.7708/+30.9312+129.7600/+30.9400+129.7488/+30.9600+129.7568/+30.9610+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8121+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7879+130.2800/+30.8000+130.2644/+30.8121+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、３１日２１時から２４時までは火口から北西方向、１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。 　３１日２１時から１日１５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 　３１日２１時から２４時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日００時から０３時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１２時から１５時まで　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。