2026-08-28T11:00:00Z 通常 気象庁本庁 気象庁 2026-08-28T20:00:00+09:00 2026-08-28T21:00:00+09:00 2026-08-29T15:00:00+09:00 511 発表 1 降灰予報 1.1_0 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、２８日２１時から２４時までは火口から北西方向、２９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 諏訪之瀬島 511 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 降灰予報（定時） 06 諏訪之瀬島 511 +2938.30+12942.83+796/ 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 2026-08-28T21:00:00+09:00 2026-08-29T00:00:00+09:00 降灰 70 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北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6776+129.7000/+29.6600+129.7154/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6819/+29.6776+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T00:00:00+09:00 2026-08-29T03:00:00+09:00 降灰 70 +30.0967+129.3400/+30.0850+129.3600/+30.0800+129.3642/+30.0646+129.3800/+30.0600+129.3857/+30.0520+129.4000/+30.0400+129.4116/+30.0313+129.4200/+30.0200+129.4276/+30.0037+129.4400/+30.0000+129.4433/+29.9861+129.4600/+29.9800+129.4650/+29.9600+129.4763/+29.9571+129.4800/+29.9400+129.4934/+29.9316+129.5000/+29.9200+129.5138/+29.9137+129.5200/+29.9000+129.5317/+29.8856+129.5400/+29.8800+129.5435/+29.8600+129.5528/+29.8486+129.5600/+29.8400+129.5675/+29.8264+129.5800/+29.8200+129.5863/+29.8000+129.5999/+29.7999+129.6000/+29.7800+129.6189/+29.7790+129.6200/+29.7600+129.6388/+29.7589+129.6400/+29.7400+129.6585/+29.7389+129.6600/+29.7200+129.6788/+29.7191+129.6800/+29.7000+129.6991/+29.6996+129.7000/+29.6800+129.7196/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6217+129.6800/+29.6400+129.6617/+29.6415+129.6600/+29.6600+129.6415/+29.6618+129.6400/+29.6800+129.6217/+29.6818+129.6200/+29.7000+129.6015/+29.7017+129.6000/+29.7200+129.5811/+29.7213+129.5800/+29.7400+129.5611/+29.7415+129.5600/+29.7600+129.5403/+29.7604+129.5400/+29.7800+129.5211/+29.7816+129.5200/+29.8000+129.5004/+29.8006+129.5000/+29.8200+129.4815/+29.8214+129.4800/+29.8325+129.4600/+29.8400+129.4526/+29.8600+129.4413/+29.8629+129.4400/+29.8800+129.4259/+29.8855+129.4200/+29.9000+129.4061/+29.9134+129.4000/+29.9200+129.3937/+29.9354+129.3800/+29.9400+129.3772/+29.9600+129.3683/+29.9760+129.3600/+29.9800+129.3553/+30.0000+129.3425/+30.0068+129.3400/+30.0200+129.3348/+30.0400+129.3262/+30.0600+129.3220/+30.0800+129.3245/+30.0967+129.3400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6774+129.7000/+29.6600+129.7161/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6822/+29.6774+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T03:00:00+09:00 2026-08-29T06:00:00+09:00 降灰 70 +30.0727+129.3000/+30.0600+129.3114/+30.0495+129.3200/+30.0402+129.3400/+30.0400+129.3403/+30.0315+129.3600/+30.0200+129.3737/+30.0139+129.3800/+30.0000+129.3900/+29.9941+129.4000/+29.9800+129.4188/+29.9787+129.4200/+29.9600+129.4316/+29.9535+129.4400/+29.9418+129.4600/+29.9400+129.4618/+29.9200+129.4765/+29.9172+129.4800/+29.9000+129.4946/+29.8920+129.5000/+29.8800+129.5118/+29.8757+129.5200/+29.8600+129.5327/+29.8434+129.5400/+29.8400+129.5432/+29.8200+129.5600/+29.8003+129.5800/+29.8000+129.5803/+29.7821+129.6000/+29.7800+129.6021/+29.7618+129.6200/+29.7600+129.6218/+29.7472+129.6400/+29.7400+129.6472/+29.7322+129.6600/+29.7200+129.6722/+29.7161+129.6800/+29.7000+129.6961/+29.6991+129.7000/+29.6800+129.7191/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6210+129.6800/+29.6400+129.6610/+29.6406+129.6600/+29.6600+129.6406/+29.6606+129.6400/+29.6800+129.6204/+29.6804+129.6200/+29.6931+129.6000/+29.7000+129.5931/+29.7070+129.5800/+29.7200+129.5668/+29.7253+129.5600/+29.7400+129.5445/+29.7435+129.5400/+29.7600+129.5220/+29.7618+129.5200/+29.7800+129.5012/+29.7812+129.5000/+29.8000+129.4805/+29.8007+129.4800/+29.8063+129.4600/+29.8200+129.4501/+29.8321+129.4400/+29.8400+129.4284/+29.8475+129.4200/+29.8600+129.4077/+29.8701+129.4000/+29.8800+129.3885/+29.8886+129.3800/+29.9000+129.3719/+29.9200+129.3626/+29.9249+129.3600/+29.9400+129.3436/+29.9456+129.3400/+29.9600+129.3286/+29.9760+129.3200/+29.9800+129.3175/+30.0000+129.3034/+30.0121+129.3000/+30.0200+129.2971/+30.0400+129.2883/+30.0600+129.2873/+30.0727+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6735+129.7000/+29.6600+129.7135/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6833/+29.6735+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T06:00:00+09:00 2026-08-29T09:00:00+09:00 降灰 70 +30.0594+129.3000/+30.0414+129.3200/+30.0400+129.3229/+30.0351+129.3400/+30.0260+129.3600/+30.0200+129.3664/+30.0036+129.3800/+30.0000+129.3820/+29.9845+129.4000/+29.9800+129.4059/+29.9636+129.4200/+29.9600+129.4221/+29.9463+129.4400/+29.9400+129.4500/+29.9253+129.4600/+29.9200+129.4628/+29.9052+129.4800/+29.9000+129.4849/+29.8800+129.4978/+29.8783+129.5000/+29.8675+129.5200/+29.8600+129.5261/+29.8400+129.5342/+29.8353+129.5400/+29.8200+129.5553/+29.8152+129.5600/+29.8000+129.5750/+29.7964+129.5800/+29.7800+129.5963/+29.7775+129.6000/+29.7600+129.6176/+29.7585+129.6200/+29.7400+129.6387/+29.7393+129.6400/+29.7200+129.6595/+29.7198+129.6600/+29.7051+129.6800/+29.7000+129.6851/+29.6980+129.7000/+29.6800+129.7180/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6403+129.6600/+29.6568+129.6400/+29.6600+129.6368/+29.6639+129.6200/+29.6800+129.6035/+29.6817+129.6000/+29.7000+129.5804/+29.7004+129.5800/+29.7137+129.5600/+29.7200+129.5532/+29.7266+129.5400/+29.7400+129.5260/+29.7455+129.5200/+29.7600+129.5028/+29.7630+129.5000/+29.7800+129.4823/+29.7823+129.4800/+29.7921+129.4600/+29.8000+129.4503/+29.8183+129.4400/+29.8200+129.4382/+29.8329+129.4200/+29.8400+129.4126/+29.8564+129.4000/+29.8600+129.3949/+29.8750+129.3800/+29.8800+129.3772/+29.9000+129.3657/+29.9109+129.3600/+29.9200+129.3512/+29.9311+129.3400/+29.9400+129.3293/+29.9567+129.3200/+29.9600+129.3185/+29.9800+129.3100/+29.9945+129.3000/+30.0000+129.2955/+30.0200+129.2930/+30.0400+129.2891/+30.0594+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6738+129.7000/+29.6600+129.7138/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6835/+29.6738+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T09:00:00+09:00 2026-08-29T12:00:00+09:00 降灰 70 +30.0522+129.3000/+30.0400+129.3120/+30.0320+129.3200/+30.0250+129.3400/+30.0200+129.3488/+30.0142+129.3600/+30.0000+129.3717/+29.9948+129.3800/+29.9823+129.4000/+29.9800+129.4038/+29.9643+129.4200/+29.9600+129.4227/+29.9464+129.4400/+29.9400+129.4505/+29.9275+129.4600/+29.9200+129.4642/+29.9053+129.4800/+29.9000+129.4845/+29.8800+129.4965/+29.8774+129.5000/+29.8675+129.5200/+29.8600+129.5265/+29.8400+129.5350/+29.8354+129.5400/+29.8200+129.5564/+29.8174+129.5600/+29.8000+129.5769/+29.7979+129.5800/+29.7800+129.5978/+29.7784+129.6000/+29.7600+129.6184/+29.7590+129.6200/+29.7400+129.6394/+29.7397+129.6400/+29.7219+129.6600/+29.7200+129.6619/+29.7125+129.6800/+29.7000+129.6924/+29.6987+129.7000/+29.6800+129.7187/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6206+129.6800/+29.6400+129.6606/+29.6404+129.6600/+29.6600+129.6402/+29.6602+129.6400/+29.6663+129.6200/+29.6800+129.6060/+29.6830+129.6000/+29.7000+129.5820/+29.7015+129.5800/+29.7178+129.5600/+29.7200+129.5576/+29.7313+129.5400/+29.7400+129.5303/+29.7468+129.5200/+29.7600+129.5053/+29.7654+129.5000/+29.7800+129.4855/+29.7858+129.4800/+29.7941+129.4600/+29.8000+129.4525/+29.8200+129.4409/+29.8211+129.4400/+29.8332+129.4200/+29.8400+129.4126/+29.8554+129.4000/+29.8600+129.3925/+29.8700+129.3800/+29.8800+129.3740/+29.9000+129.3612/+29.9019+129.3600/+29.9200+129.3428/+29.9237+129.3400/+29.9400+129.3236/+29.9483+129.3200/+29.9600+129.3152/+29.9800+129.3076/+29.9890+129.3000/+30.0000+129.2917/+30.0200+129.2907/+30.0400+129.2889/+30.0522+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6735+129.7000/+29.6600+129.7134/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6836/+29.6735+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T12:00:00+09:00 2026-08-29T15:00:00+09:00 降灰 70 +30.0493+129.3400/+30.0446+129.3600/+30.0400+129.3652/+30.0311+129.3800/+30.0251+129.4000/+30.0200+129.4060/+30.0000+129.4198/+29.9998+129.4200/+29.9800+129.4400/+29.9600+129.4566/+29.9572+129.4600/+29.9400+129.4772/+29.9373+129.4800/+29.9200+129.4913/+29.9091+129.5000/+29.9000+129.5110/+29.8897+129.5200/+29.8800+129.5268/+29.8600+129.5368/+29.8558+129.5400/+29.8400+129.5547/+29.8340+129.5600/+29.8200+129.5737/+29.8137+129.5800/+29.8000+129.5932/+29.7936+129.6000/+29.7800+129.6134/+29.7727+129.6200/+29.7600+129.6326/+29.7538+129.6400/+29.7400+129.6537/+29.7355+129.6600/+29.7200+129.6755/+29.7178+129.6800/+29.7000+129.6978/+29.6994+129.7000/+29.6800+129.7194/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6213+129.6800/+29.6400+129.6613/+29.6414+129.6600/+29.6600+129.6414/+29.6616+129.6400/+29.6800+129.6215/+29.6815+129.6200/+29.7000+129.6013/+29.7015+129.6000/+29.7200+129.5811/+29.7213+129.5800/+29.7400+129.5610/+29.7412+129.5600/+29.7600+129.5406/+29.7607+129.5400/+29.7800+129.5210/+29.7811+129.5200/+29.7992+129.5000/+29.8000+129.4991/+29.8200+129.4803/+29.8203+129.4800/+29.8273+129.4600/+29.8400+129.4480/+29.8539+129.4400/+29.8600+129.4325/+29.8740+129.4200/+29.8800+129.4156/+29.9000+129.4004/+29.9006+129.4000/+29.9200+129.3810/+29.9215+129.3800/+29.9400+129.3683/+29.9531+129.3600/+29.9600+129.3538/+29.9800+129.3454/+29.9869+129.3400/+30.0000+129.3317/+30.0200+129.3319/+30.0400+129.3322/+30.0493+129.3400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6723+129.7000/+29.6600+129.7123/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6855/+29.6723+129.7000/ 北西 2 鹿児島県十島村 4630400 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、２８日２１時から２４時までは火口から北西方向、２９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。 　２８日２１時から２９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 　２８日２１時から２４時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日００時から０３時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日０３時から０６時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日０６時から０９時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日０９時から１２時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日１２時から１５時まで　北西　　　　　　６０ｋｍ　　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：十島村 　 　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。