2026-09-25T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-26T08:00:00+09:00 2026-09-26T09:00:00+09:00 2026-09-27T03:00:00+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、２６日０９時から１２時までは火口から北東方向、２６日２１時から２４時までは火口から東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 鹿児島県南大隅町 4649100 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 鹿児島県南大隅町 4649100 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-09-26T09:00:00+09:00 2026-09-26T12:00:00+09:00 降灰 70 +31.1039+130.7400/+31.1084+130.7600/+31.1065+130.7800/+31.1043+130.8000/+31.1000+130.8057/+31.0904+130.8000/+31.0800+130.7888/+31.0604+130.7800/+31.0600+130.7799/+31.0413+130.7600/+31.0400+130.7592/+31.0275+130.7400/+31.0200+130.7279/+31.0147+130.7200/+31.0000+130.7067/+30.9945+130.7000/+30.9837+130.6800/+30.9800+130.6740/+30.9740+130.6600/+30.9660+130.6400/+30.9600+130.6277/+30.9535+130.6200/+30.9400+130.6009/+30.9394+130.6000/+30.9303+130.5800/+30.9238+130.5600/+30.9200+130.5458/+30.9161+130.5400/+30.9020+130.5200/+30.9000+130.5162/+30.8869+130.5000/+30.8804+130.4800/+30.8800+130.4793/+30.8630+130.4600/+30.8600+130.4520/+30.8484+130.4400/+30.8405+130.4200/+30.8400+130.4192/+30.8214+130.4000/+30.8200+130.3966/+30.8035+130.3800/+30.8001+130.3600/+30.8000+130.3599/+30.7802+130.3400/+30.7800+130.3391/+30.7608+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2801/+30.8200+130.2819/+30.8381+130.3000/+30.8400+130.3039/+30.8561+130.3200/+30.8600+130.3257/+30.8744+130.3400/+30.8800+130.3477/+30.8924+130.3600/+30.9000+130.3717/+30.9084+130.3800/+30.9197+130.4000/+30.9200+130.4006/+30.9391+130.4200/+30.9400+130.4217/+30.9552+130.4400/+30.9600+130.4495/+30.9697+130.4600/+30.9800+130.4775/+30.9820+130.4800/+30.9916+130.5000/+31.0000+130.5129/+31.0060+130.5200/+31.0145+130.5400/+31.0200+130.5568/+31.0225+130.5600/+31.0356+130.5800/+31.0400+130.5878/+31.0496+130.6000/+31.0567+130.6200/+31.0600+130.6291/+31.0636+130.6400/+31.0685+130.6600/+31.0743+130.6800/+31.0800+130.6930/+31.0843+130.7000/+31.0900+130.7200/+31.1000+130.7333/+31.1039+130.7400/ 北東 60 鹿児島県三島村 4630300 鹿児島県南大隅町 4649100 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8194+130.3200/+30.8000+130.3396/+30.7815+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-09-26T12:00:00+09:00 2026-09-26T15:00:00+09:00 降灰 70 +31.0019+130.7200/+31.0000+130.7281/+30.9963+130.7400/+30.9896+130.7600/+30.9976+130.7800/+31.0000+130.7863/+31.0032+130.8000/+31.0024+130.8200/+31.0015+130.8400/+31.0000+130.8453/+30.9977+130.8400/+30.9922+130.8200/+30.9800+130.8079/+30.9600+130.8026/+30.9585+130.8000/+30.9415+130.7800/+30.9400+130.7770/+30.9295+130.7600/+30.9200+130.7498/+30.9150+130.7400/+30.9074+130.7200/+30.9040+130.7000/+30.9000+130.6935/+30.8906+130.6800/+30.8815+130.6600/+30.8800+130.6562/+30.8724+130.6400/+30.8643+130.6200/+30.8641+130.6000/+30.8600+130.5804/+30.8598+130.5800/+30.8502+130.5600/+30.8445+130.5400/+30.8411+130.5200/+30.8400+130.5146/+30.8296+130.5000/+30.8229+130.4800/+30.8208+130.4600/+30.8200+130.4548/+30.8071+130.4400/+30.8014+130.4200/+30.8003+130.4000/+30.8000+130.3981/+30.7824+130.3800/+30.7802+130.3600/+30.7800+130.3400/+30.7800+130.3397/+30.7604+130.3200/+30.7608+130.3000/+30.7800+130.2808/+30.8000+130.2802/+30.8199+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3296/+30.8504+130.3400/+30.8594+130.3600/+30.8600+130.3663/+30.8735+130.3800/+30.8789+130.4000/+30.8800+130.4063/+30.8927+130.4200/+30.8987+130.4400/+30.9000+130.4461/+30.9119+130.4600/+30.9177+130.4800/+30.9200+130.4899/+30.9277+130.5000/+30.9360+130.5200/+30.9400+130.5298/+30.9477+130.5400/+30.9553+130.5600/+30.9600+130.5789/+30.9607+130.5800/+30.9700+130.6000/+30.9769+130.6200/+30.9800+130.6283/+30.9858+130.6400/+30.9909+130.6600/+30.9962+130.6800/+30.9984+130.7000/+31.0000+130.7099/+31.0019+130.7200/ 北東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8192+130.3200/+30.8018+130.3400/+30.8000+130.3413/+30.7990+130.3400/+30.7814+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-09-26T15:00:00+09:00 2026-09-26T18:00:00+09:00 降灰 70 +30.9403+130.7600/+30.9405+130.7800/+30.9410+130.8000/+30.9400+130.8028/+30.9321+130.8200/+30.9284+130.8400/+30.9219+130.8600/+30.9200+130.8642/+30.9108+130.8800/+30.9000+130.8919/+30.8946+130.8800/+30.8875+130.8600/+30.8816+130.8400/+30.8800+130.8345/+30.8759+130.8200/+30.8684+130.8000/+30.8622+130.7800/+30.8600+130.7708/+30.8579+130.7600/+30.8536+130.7400/+30.8515+130.7200/+30.8499+130.7000/+30.8467+130.6800/+30.8443+130.6600/+30.8422+130.6400/+30.8400+130.6233/+30.8378+130.6200/+30.8400+130.6140/+30.8405+130.6000/+30.8400+130.5967/+30.8303+130.5800/+30.8245+130.5600/+30.8224+130.5400/+30.8210+130.5200/+30.8200+130.5070/+30.8148+130.5000/+30.8045+130.4800/+30.8017+130.4600/+30.8006+130.4400/+30.8000+130.4200/+30.8000+130.4198/+30.7824+130.4000/+30.7804+130.3800/+30.7801+130.3600/+30.7800+130.3551/+30.7649+130.3400/+30.7602+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3013/+30.8387+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3664/+30.8533+130.3800/+30.8588+130.4000/+30.8595+130.4200/+30.8600+130.4353/+30.8642+130.4400/+30.8760+130.4600/+30.8782+130.4800/+30.8796+130.5000/+30.8800+130.5044/+30.8898+130.5200/+30.8944+130.5400/+30.8965+130.5600/+30.8988+130.5800/+30.9000+130.5853/+30.9158+130.6000/+30.9196+130.6200/+30.9200+130.6241/+30.9228+130.6400/+30.9255+130.6600/+30.9275+130.6800/+30.9346+130.7000/+30.9388+130.7200/+30.9395+130.7400/+30.9400+130.7518/+30.9403+130.7600/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3397/+30.7813+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-09-26T18:00:00+09:00 2026-09-26T21:00:00+09:00 降灰 70 +30.9228+130.6400/+30.9256+130.6600/+30.9269+130.6800/+30.9296+130.7000/+30.9302+130.7200/+30.9293+130.7400/+30.9283+130.7600/+30.9238+130.7800/+30.9200+130.7920/+30.9000+130.7995/+30.8977+130.8000/+30.9000+130.8033/+30.9026+130.8200/+30.9000+130.8275/+30.8977+130.8200/+30.8800+130.8033/+30.8778+130.8000/+30.8634+130.7800/+30.8600+130.7741/+30.8532+130.7600/+30.8476+130.7400/+30.8445+130.7200/+30.8403+130.7000/+30.8400+130.6991/+30.8316+130.6800/+30.8273+130.6600/+30.8251+130.6400/+30.8210+130.6200/+30.8228+130.6000/+30.8201+130.5800/+30.8200+130.5791/+30.8131+130.5600/+30.8082+130.5400/+30.8050+130.5200/+30.8031+130.5000/+30.8012+130.4800/+30.8001+130.4600/+30.8000+130.4590/+30.7888+130.4400/+30.7833+130.4200/+30.7812+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3578/+30.7627+130.3400/+30.7602+130.3200/+30.7605+130.3000/+30.7800+130.2805/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3012/+30.8388+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3642/+30.8554+130.3800/+30.8589+130.4000/+30.8595+130.4200/+30.8600+130.4276/+30.8711+130.4400/+30.8770+130.4600/+30.8787+130.4800/+30.8800+130.4937/+30.8847+130.5000/+30.8935+130.5200/+30.8963+130.5400/+30.8989+130.5600/+30.9000+130.5663/+30.9083+130.5800/+30.9177+130.6000/+30.9198+130.6200/+30.9200+130.6223/+30.9228+130.6400/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8185+130.3200/+30.8000+130.3394/+30.7800+130.3326/+30.7674+130.3200/+30.7800+130.3074/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 鹿児島県三島村 4630300 2026-09-26T21:00:00+09:00 2026-09-27T00:00:00+09:00 降灰 70 +30.9206+130.7200/+30.9209+130.7400/+30.9212+130.7600/+30.9200+130.7660/+30.9163+130.7800/+30.9059+130.8000/+30.9068+130.8200/+30.9006+130.8400/+30.9000+130.8417/+30.8991+130.8400/+30.8887+130.8200/+30.8800+130.8154/+30.8664+130.8000/+30.8600+130.7878/+30.8568+130.7800/+30.8507+130.7600/+30.8462+130.7400/+30.8442+130.7200/+30.8400+130.7043/+30.8382+130.7000/+30.8292+130.6800/+30.8256+130.6600/+30.8241+130.6400/+30.8200+130.6274/+30.8170+130.6200/+30.8200+130.6144/+30.8220+130.6000/+30.8206+130.5800/+30.8200+130.5744/+30.8147+130.5600/+30.8076+130.5400/+30.8052+130.5200/+30.8028+130.5000/+30.8012+130.4800/+30.8003+130.4600/+30.8000+130.4556/+30.7898+130.4400/+30.7829+130.4200/+30.7809+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3581/+30.7621+130.3400/+30.7602+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3017/+30.8383+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3710/+30.8489+130.3800/+30.8581+130.4000/+30.8592+130.4200/+30.8598+130.4400/+30.8600+130.4423/+30.8727+130.4600/+30.8767+130.4800/+30.8782+130.5000/+30.8799+130.5200/+30.8800+130.5210/+30.8911+130.5400/+30.8946+130.5600/+30.8976+130.5800/+30.9000+130.5927/+30.9058+130.6000/+30.9107+130.6200/+30.9136+130.6400/+30.9147+130.6600/+30.9171+130.6800/+30.9182+130.7000/+30.9200+130.7179/+30.9206+130.7200/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8186+130.3200/+30.8000+130.3395/+30.7814+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-09-27T00:00:00+09:00 2026-09-27T03:00:00+09:00 降灰 70 +30.9262+130.5800/+30.9312+130.6000/+30.9317+130.6200/+30.9322+130.6400/+30.9309+130.6600/+30.9290+130.6800/+30.9272+130.7000/+30.9216+130.7200/+30.9200+130.7266/+30.9000+130.7258/+30.8800+130.7251/+30.8784+130.7200/+30.8678+130.7000/+30.8600+130.6865/+30.8577+130.6800/+30.8515+130.6600/+30.8467+130.6400/+30.8414+130.6200/+30.8402+130.6000/+30.8400+130.5985/+30.8353+130.5800/+30.8295+130.5600/+30.8250+130.5400/+30.8209+130.5200/+30.8200+130.5126/+30.8140+130.5000/+30.8078+130.4800/+30.8038+130.4600/+30.8012+130.4400/+30.8001+130.4200/+30.8000+130.4193/+30.7842+130.4000/+30.7809+130.3800/+30.7802+130.3600/+30.7800+130.3503/+30.7697+130.3400/+30.7602+130.3200/+30.7603+130.3000/+30.7800+130.2803/+30.8000+130.2801/+30.8199+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8400+130.3400/+30.8400+130.3405/+30.8582+130.3600/+30.8598+130.3800/+30.8600+130.3820/+30.8748+130.4000/+30.8786+130.4200/+30.8800+130.4291/+30.8881+130.4400/+30.8956+130.4600/+30.8998+130.4800/+30.9000+130.4816/+30.9083+130.5000/+30.9125+130.5200/+30.9150+130.5400/+30.9186+130.5600/+30.9200+130.5678/+30.9262+130.5800/ 東 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8184+130.3200/+30.8000+130.3389/+30.7818+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 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、２６日０９時から１２時までは火口から北東方向、２６日２１時から２４時までは火口から東方向に降灰が予想されます。 　２６日９時から２７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 　２６日０９時から１２時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２６日１２時から１５時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２６日１５時から１８時まで　東　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２６日１８時から２１時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２６日２１時から２４時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２７日００時から０３時まで　東　　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　 　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、南大隅町 　 　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。