2026-08-16T05:00:00Z 通常 気象庁本庁 気象庁 2026-08-16T14:00:00+09:00 2026-08-16T15:00:00+09:00 2026-08-17T09:00:00+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、１６日２１時から２４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 2026-08-16T15:00:00+09:00 2026-08-16T18:00:00+09:00 降灰 70 +29.9928+129.4800/+29.9800+129.4935/+29.9750+129.5000/+29.9630+129.5200/+29.9600+129.5220/+29.9405+129.5400/+29.9400+129.5403/+29.9200+129.5575/+29.9178+129.5600/+29.9000+129.5766/+29.8881+129.5800/+29.8800+129.5824/+29.8600+129.5964/+29.8549+129.6000/+29.8400+129.6119/+29.8200+129.6195/+29.8193+129.6200/+29.8000+129.6360/+29.7924+129.6400/+29.7800+129.6512/+29.7600+129.6590/+29.7584+129.6600/+29.7400+129.6775/+29.7341+129.6800/+29.7200+129.6938/+29.7000+129.6999/+29.6999+129.7000/+29.6800+129.7198/+29.6799+129.7200/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6279+129.6800/+29.6400+129.6679/+29.6600+129.6601/+29.6603+129.6600/+29.6800+129.6404/+29.6811+129.6400/+29.7000+129.6212/+29.7032+129.6200/+29.7200+129.6033/+29.7263+129.6000/+29.7400+129.5864/+29.7533+129.5800/+29.7600+129.5734/+29.7800+129.5601/+29.7802+129.5600/+29.8000+129.5436/+29.8059+129.5400/+29.8200+129.5265/+29.8373+129.5200/+29.8400+129.5175/+29.8600+129.5021/+29.8661+129.5000/+29.8800+129.4891/+29.9000+129.4805/+29.9016+129.4800/+29.9200+129.4722/+29.9400+129.4663/+29.9600+129.4623/+29.9800+129.4691/+29.9928+129.4800/ 北西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6683+129.7000/+29.6600+129.7076/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6227+129.7000/+29.6400+129.6827/+29.6600+129.6915/+29.6683+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-16T18:00:00+09:00 2026-08-16T21:00:00+09:00 降灰 70 +29.9811+129.3800/+29.9896+129.4000/+29.9800+129.4112/+29.9730+129.4200/+29.9600+129.4380/+29.9592+129.4400/+29.9469+129.4600/+29.9400+129.4685/+29.9300+129.4800/+29.9200+129.4877/+29.9122+129.5000/+29.9000+129.5140/+29.8931+129.5200/+29.8800+129.5295/+29.8600+129.5383/+29.8582+129.5400/+29.8400+129.5566/+29.8370+129.5600/+29.8200+129.5765/+29.8165+129.5800/+29.8000+129.5960/+29.7964+129.6000/+29.7800+129.6155/+29.7762+129.6200/+29.7600+129.6359/+29.7567+129.6400/+29.7400+129.6566/+29.7372+129.6600/+29.7200+129.6771/+29.7183+129.6800/+29.7000+129.6983/+29.6994+129.7000/+29.6800+129.7194/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6215+129.6800/+29.6400+129.6615/+29.6421+129.6600/+29.6600+129.6421/+29.6625+129.6400/+29.6800+129.6224/+29.6825+129.6200/+29.7000+129.6023/+29.7024+129.6000/+29.7200+129.5820/+29.7221+129.5800/+29.7400+129.5615/+29.7418+129.5600/+29.7600+129.5417/+29.7619+129.5400/+29.7800+129.5209/+29.7810+129.5200/+29.7986+129.5000/+29.8000+129.4983/+29.8197+129.4800/+29.8200+129.4796/+29.8296+129.4600/+29.8400+129.4491/+29.8545+129.4400/+29.8600+129.4341/+29.8773+129.4200/+29.8800+129.4180/+29.9000+129.4026/+29.9032+129.4000/+29.9200+129.3845/+29.9389+129.3800/+29.9400+129.3797/+29.9600+129.3709/+29.9800+129.3790/+29.9811+129.3800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6693+129.7000/+29.6600+129.7088/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6894/+29.6693+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-16T21:00:00+09:00 2026-08-17T00:00:00+09:00 降灰 70 +29.9950+129.3800/+29.9949+129.4000/+29.9800+129.4197/+29.9797+129.4200/+29.9600+129.4394/+29.9597+129.4400/+29.9464+129.4600/+29.9400+129.4665/+29.9245+129.4800/+29.9200+129.4827/+29.9000+129.4977/+29.8972+129.5000/+29.8800+129.5159/+29.8773+129.5200/+29.8600+129.5329/+29.8460+129.5400/+29.8400+129.5459/+29.8218+129.5600/+29.8200+129.5617/+29.8000+129.5798/+29.7998+129.5800/+29.7800+129.5991/+29.7794+129.6000/+29.7600+129.6192/+29.7594+129.6200/+29.7400+129.6396/+29.7398+129.6400/+29.7200+129.6599/+29.7199+129.6600/+29.7110+129.6800/+29.7000+129.6910/+29.6985+129.7000/+29.6800+129.7185/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6207+129.6800/+29.6400+129.6607/+29.6406+129.6600/+29.6600+129.6406/+29.6607+129.6400/+29.6800+129.6205/+29.6805+129.6200/+29.6988+129.6000/+29.7000+129.5988/+29.7117+129.5800/+29.7200+129.5715/+29.7293+129.5600/+29.7400+129.5492/+29.7472+129.5400/+29.7600+129.5264/+29.7661+129.5200/+29.7800+129.5054/+29.7858+129.5000/+29.8000+129.4863/+29.8096+129.4800/+29.8200+129.4634/+29.8221+129.4600/+29.8400+129.4438/+29.8472+129.4400/+29.8600+129.4264/+29.8684+129.4200/+29.8800+129.4109/+29.8953+129.4000/+29.9000+129.3939/+29.9171+129.3800/+29.9200+129.3784/+29.9400+129.3708/+29.9587+129.3600/+29.9600+129.3591/+29.9641+129.3600/+29.9800+129.3651/+29.9950+129.3800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6707+129.7000/+29.6600+129.7107/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6871/+29.6707+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-17T00:00:00+09:00 2026-08-17T03:00:00+09:00 降灰 70 +30.0243+129.4400/+30.0200+129.4459/+30.0056+129.4600/+30.0000+129.4646/+29.9890+129.4800/+29.9800+129.4893/+29.9645+129.5000/+29.9600+129.5023/+29.9400+129.5176/+29.9377+129.5200/+29.9200+129.5400/+29.9000+129.5542/+29.8892+129.5600/+29.8800+129.5652/+29.8604+129.5800/+29.8600+129.5804/+29.8400+129.5971/+29.8371+129.6000/+29.8200+129.6162/+29.8127+129.6200/+29.8000+129.6298/+29.7800+129.6399/+29.7799+129.6400/+29.7600+129.6586/+29.7581+129.6600/+29.7400+129.6768/+29.7341+129.6800/+29.7200+129.6938/+29.7015+129.7000/+29.7000+129.7015/+29.6800+129.7198/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6222+129.6800/+29.6400+129.6622/+29.6433+129.6600/+29.6600+129.6433/+29.6645+129.6400/+29.6800+129.6244/+29.6848+129.6200/+29.7000+129.6046/+29.7050+129.6000/+29.7200+129.5849/+29.7273+129.5800/+29.7400+129.5669/+29.7499+129.5600/+29.7600+129.5500/+29.7712+129.5400/+29.7800+129.5306/+29.7961+129.5200/+29.8000+129.5164/+29.8200+129.5011/+29.8217+129.5000/+29.8377+129.4800/+29.8400+129.4770/+29.8600+129.4646/+29.8682+129.4600/+29.8800+129.4529/+29.9000+129.4431/+29.9069+129.4400/+29.9200+129.4277/+29.9369+129.4200/+29.9400+129.4186/+29.9600+129.4096/+29.9800+129.4068/+29.9998+129.4000/+30.0000+129.3999/+30.0003+129.4000/+30.0151+129.4200/+30.0200+129.4290/+30.0243+129.4400/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6734+129.7000/+29.6729+129.7200/+29.6600+129.7329/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6861/+29.6734+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-17T03:00:00+09:00 2026-08-17T06:00:00+09:00 降灰 70 +30.0479+129.4800/+30.0400+129.4917/+30.0285+129.5000/+30.0200+129.5086/+30.0118+129.5200/+30.0000+129.5266/+29.9800+129.5392/+29.9787+129.5400/+29.9600+129.5495/+29.9430+129.5600/+29.9400+129.5621/+29.9200+129.5767/+29.9138+129.5800/+29.9000+129.5884/+29.8800+129.5924/+29.8600+129.5998/+29.8597+129.6000/+29.8400+129.6152/+29.8321+129.6200/+29.8200+129.6298/+29.8000+129.6378/+29.7956+129.6400/+29.7800+129.6528/+29.7613+129.6600/+29.7600+129.6612/+29.7400+129.6778/+29.7357+129.6800/+29.7200+129.6955/+29.7027+129.7000/+29.7000+129.7026/+29.6800+129.7198/+29.6799+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6229+129.6800/+29.6400+129.6629/+29.6462+129.6600/+29.6600+129.6462/+29.6677+129.6400/+29.6800+129.6276/+29.6884+129.6200/+29.7000+129.6084/+29.7138+129.6000/+29.7200+129.5936/+29.7373+129.5800/+29.7400+129.5773/+29.7600+129.5613/+29.7628+129.5600/+29.7800+129.5447/+29.7878+129.5400/+29.8000+129.5292/+29.8165+129.5200/+29.8200+129.5170/+29.8400+129.5054/+29.8583+129.5000/+29.8600+129.4990/+29.8800+129.4919/+29.9000+129.4839/+29.9128+129.4800/+29.9200+129.4771/+29.9400+129.4693/+29.9600+129.4635/+29.9800+129.4626/+30.0000+129.4615/+30.0200+129.4636/+30.0400+129.4704/+30.0479+129.4800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6744+129.7000/+29.6731+129.7200/+29.6600+129.7331/+29.6400+129.7388/+29.6212+129.7200/+29.6222+129.7000/+29.6400+129.6822/+29.6600+129.6858/+29.6744+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-17T06:00:00+09:00 2026-08-17T09:00:00+09:00 降灰 70 +30.0136+129.4400/+30.0048+129.4600/+30.0000+129.4761/+29.9991+129.4800/+29.9800+129.4962/+29.9755+129.5000/+29.9600+129.5127/+29.9555+129.5200/+29.9400+129.5357/+29.9361+129.5400/+29.9200+129.5507/+29.9048+129.5600/+29.9000+129.5641/+29.8800+129.5730/+29.8700+129.5800/+29.8600+129.5875/+29.8400+129.5976/+29.8360+129.6000/+29.8200+129.6133/+29.8071+129.6200/+29.8000+129.6261/+29.7800+129.6385/+29.7777+129.6400/+29.7600+129.6562/+29.7530+129.6600/+29.7400+129.6724/+29.7216+129.6800/+29.7200+129.6817/+29.7000+129.6998/+29.6999+129.7000/+29.6800+129.7197/+29.6799+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6224+129.6800/+29.6400+129.6624/+29.6459+129.6600/+29.6600+129.6459/+29.6683+129.6400/+29.6800+129.6282/+29.6883+129.6200/+29.7000+129.6081/+29.7120+129.6000/+29.7200+129.5921/+29.7340+129.5800/+29.7400+129.5737/+29.7600+129.5605/+29.7609+129.5600/+29.7800+129.5404/+29.7809+129.5400/+29.8000+129.5260/+29.8102+129.5200/+29.8200+129.5101/+29.8343+129.5000/+29.8400+129.4922/+29.8600+129.4801/+29.8603+129.4800/+29.8800+129.4703/+29.9000+129.4622/+29.9049+129.4600/+29.9200+129.4509/+29.9400+129.4455/+29.9530+129.4400/+29.9600+129.4370/+29.9800+129.4350/+30.0000+129.4327/+30.0136+129.4400/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6722+129.7000/+29.6698+129.7200/+29.6600+129.7298/+29.6400+129.7388/+29.6212+129.7200/+29.6220+129.7000/+29.6400+129.6819/+29.6600+129.6880/+29.6722+129.7000/ 北 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、１６日２１時から２４時までは火口から北西方向に降灰が予想されます。 　１６日１５時から１７日９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 　１６日１５時から１８時まで　北西　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　１６日１８時から２１時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１６日２１時から２４時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１７日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１７日０３時から０６時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１７日０６時から０９時まで　北西　　　　　　５０ｋｍ　　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。