2026-08-21T14:00:00Z 通常 気象庁本庁 気象庁 2026-08-21T23:00:00+09:00 2026-08-22T00:00:00+09:00 2026-08-22T18:00:00+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、２２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 2026-08-22T00:00:00+09:00 2026-08-22T03:00:00+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 +29.6706+129.7000/+29.6600+129.7106/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6810/+29.6600+129.6838/+29.6706+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T03:00:00+09:00 2026-08-22T06:00:00+09:00 降灰 70 +30.0083+129.2000/+30.0000+129.2129/+29.9849+129.2000/+30.0000+129.1831/+30.0083+129.2000/ +29.9811+129.2400/+29.9800+129.2437/+29.9768+129.2600/+29.9682+129.2800/+29.9605+129.3000/+29.9600+129.3007/+29.9456+129.3200/+29.9400+129.3295/+29.9360+129.3400/+29.9200+129.3550/+29.9173+129.3600/+29.9096+129.3800/+29.9000+129.3958/+29.8965+129.4000/+29.8800+129.4116/+29.8754+129.4200/+29.8606+129.4400/+29.8600+129.4409/+29.8528+129.4600/+29.8400+129.4789/+29.8364+129.4800/+29.8200+129.4846/+29.8139+129.5000/+29.8000+129.5147/+29.7979+129.5200/+29.7836+129.5400/+29.7800+129.5438/+29.7748+129.5600/+29.7600+129.5753/+29.7587+129.5800/+29.7400+129.6000/+29.7370+129.6200/+29.7200+129.6372/+29.7195+129.6400/+29.7105+129.6600/+29.7000+129.6705/+29.6996+129.6800/+29.6800+129.6997/+29.6800+129.7000/+29.6794+129.7200/+29.6600+129.7394/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6602/+29.6401+129.6600/+29.6414+129.6400/+29.6600+129.6214/+29.6605+129.6200/+29.6674+129.6000/+29.6800+129.5872/+29.6816+129.5800/+29.7000+129.5602/+29.7001+129.5600/+29.7048+129.5400/+29.7200+129.5237/+29.7216+129.5200/+29.7362+129.5000/+29.7400+129.4958/+29.7453+129.4800/+29.7600+129.4636/+29.7621+129.4600/+29.7665+129.4400/+29.7744+129.4200/+29.7800+129.4127/+29.7904+129.4000/+29.8000+129.3894/+29.8122+129.3800/+29.8200+129.3707/+29.8254+129.3600/+29.8332+129.3400/+29.8400+129.3354/+29.8530+129.3200/+29.8600+129.3064/+29.8652+129.3000/+29.8800+129.2891/+29.8889+129.2800/+29.9000+129.2625/+29.9058+129.2600/+29.9200+129.2477/+29.9260+129.2400/+29.9400+129.2249/+29.9532+129.2200/+29.9600+129.2166/+29.9752+129.2200/+29.9800+129.2295/+29.9811+129.2400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6703+129.7000/+29.6600+129.7103/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6845/+29.6703+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T06:00:00+09:00 2026-08-22T09:00:00+09:00 降灰 70 +30.0078+129.2000/+30.0038+129.2200/+30.0011+129.2400/+30.0000+129.2424/+29.9877+129.2600/+29.9800+129.2785/+29.9797+129.2800/+29.9767+129.3000/+29.9661+129.3200/+29.9600+129.3285/+29.9537+129.3400/+29.9404+129.3600/+29.9400+129.3609/+29.9240+129.3800/+29.9200+129.3827/+29.9111+129.4000/+29.9025+129.4200/+29.9000+129.4225/+29.8800+129.4331/+29.8761+129.4400/+29.8684+129.4600/+29.8600+129.4722/+29.8562+129.4800/+29.8406+129.5000/+29.8400+129.5005/+29.8200+129.5108/+29.8159+129.5200/+29.8000+129.5372/+29.7988+129.5400/+29.7858+129.5600/+29.7800+129.5658/+29.7746+129.5800/+29.7600+129.5952/+29.7583+129.6000/+29.7400+129.6190/+29.7397+129.6200/+29.7323+129.6400/+29.7200+129.6523/+29.7187+129.6600/+29.7000+129.6787/+29.6998+129.6800/+29.6927+129.7000/+29.6800+129.7127/+29.6795+129.7200/+29.6600+129.7395/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6203+129.6800/+29.6400+129.6603/+29.6402+129.6600/+29.6446+129.6400/+29.6600+129.6246/+29.6611+129.6200/+29.6800+129.6005/+29.6803+129.6000/+29.6863+129.5800/+29.7000+129.5656/+29.7023+129.5600/+29.7200+129.5412/+29.7207+129.5400/+29.7307+129.5200/+29.7400+129.5095/+29.7439+129.5000/+29.7600+129.4827/+29.7617+129.4800/+29.7713+129.4600/+29.7773+129.4400/+29.7800+129.4354/+29.7880+129.4200/+29.8000+129.4053/+29.8050+129.4000/+29.8200+129.3880/+29.8263+129.3800/+29.8400+129.3604/+29.8405+129.3600/+29.8510+129.3400/+29.8600+129.3296/+29.8727+129.3200/+29.8800+129.3116/+29.8885+129.3000/+29.9000+129.2821/+29.9035+129.2800/+29.9200+129.2677/+29.9273+129.2600/+29.9400+129.2424/+29.9440+129.2400/+29.9600+129.2302/+29.9800+129.2271/+29.9887+129.2200/+29.9928+129.2000/+30.0000+129.1941/+30.0078+129.2000/ 北西 60 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+129.6837/+29.6707+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T09:00:00+09:00 2026-08-22T12:00:00+09:00 降灰 70 +30.0447+129.3000/+30.0400+129.3054/+30.0291+129.3200/+30.0200+129.3385/+30.0194+129.3400/+30.0072+129.3600/+30.0000+129.3660/+29.9893+129.3800/+29.9800+129.3900/+29.9705+129.4000/+29.9600+129.4108/+29.9543+129.4200/+29.9400+129.4382/+29.9383+129.4400/+29.9200+129.4557/+29.9171+129.4600/+29.9025+129.4800/+29.9000+129.4824/+29.8800+129.4961/+29.8774+129.5000/+29.8681+129.5200/+29.8600+129.5270/+29.8400+129.5342/+29.8359+129.5400/+29.8200+129.5556/+29.8163+129.5600/+29.8000+129.5767/+29.7979+129.5800/+29.7800+129.5978/+29.7786+129.6000/+29.7600+129.6190/+29.7595+129.6200/+29.7400+129.6397/+29.7399+129.6400/+29.7270+129.6600/+29.7200+129.6670/+29.7147+129.6800/+29.7000+129.6947/+29.6990+129.7000/+29.6800+129.7190/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6209+129.6800/+29.6400+129.6609/+29.6407+129.6600/+29.6600+129.6406/+29.6606+129.6400/+29.6800+129.6203/+29.6804+129.6200/+29.6944+129.6000/+29.7000+129.5943/+29.7069+129.5800/+29.7200+129.5666/+29.7248+129.5600/+29.7400+129.5438/+29.7432+129.5400/+29.7600+129.5225/+29.7623+129.5200/+29.7800+129.5016/+29.7815+129.5000/+29.7985+129.4800/+29.8000+129.4692/+29.8009+129.4600/+29.8200+129.4459/+29.8263+129.4400/+29.8395+129.4200/+29.8400+129.4194/+29.8600+129.4002/+29.8602+129.4000/+29.8730+129.3800/+29.8800+129.3758/+29.8978+129.3600/+29.9000+129.3563/+29.9159+129.3400/+29.9200+129.3375/+29.9380+129.3200/+29.9400+129.3174/+29.9600+129.3076/+29.9699+129.3000/+29.9800+129.2880/+29.9883+129.2800/+30.0000+129.2706/+30.0200+129.2723/+30.0390+129.2800/+30.0400+129.2813/+30.0447+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6721+129.7000/+29.6600+129.7121/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6850/+29.6721+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T12:00:00+09:00 2026-08-22T15:00:00+09:00 降灰 70 +30.0111+129.3000/+30.0147+129.3200/+30.0154+129.3400/+30.0065+129.3600/+30.0000+129.3657/+29.9881+129.3800/+29.9800+129.3905/+29.9741+129.4000/+29.9600+129.4150/+29.9564+129.4200/+29.9445+129.4400/+29.9400+129.4476/+29.9262+129.4600/+29.9200+129.4640/+29.9071+129.4800/+29.9000+129.4863/+29.8800+129.4983/+29.8788+129.5000/+29.8696+129.5200/+29.8600+129.5278/+29.8400+129.5371/+29.8379+129.5400/+29.8200+129.5576/+29.8182+129.5600/+29.8000+129.5783/+29.7988+129.5800/+29.7800+129.5991/+29.7794+129.6000/+29.7600+129.6196/+29.7597+129.6200/+29.7400+129.6399/+29.7400+129.6400/+29.7280+129.6600/+29.7200+129.6680/+29.7149+129.6800/+29.7000+129.6949/+29.6989+129.7000/+29.6800+129.7189/+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+129.6405/+29.6605+129.6400/+29.6777+129.6200/+29.6800+129.6177/+29.6874+129.6000/+29.7000+129.5872/+29.7050+129.5800/+29.7200+129.5641/+29.7234+129.5600/+29.7400+129.5429/+29.7427+129.5400/+29.7600+129.5205/+29.7605+129.5200/+29.7800+129.5002/+29.7803+129.5000/+29.7969+129.4800/+29.8000+129.4701/+29.8028+129.4600/+29.8200+129.4464/+29.8266+129.4400/+29.8400+129.4214/+29.8416+129.4200/+29.8600+129.4026/+29.8631+129.4000/+29.8800+129.3800/+29.8801+129.3800/+29.9000+129.3686/+29.9162+129.3600/+29.9200+129.3562/+29.9382+129.3400/+29.9400+129.3381/+29.9600+129.3265/+29.9785+129.3200/+29.9800+129.3191/+29.9971+129.3000/+30.0000+129.2974/+30.0111+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6725+129.7000/+29.6600+129.7125/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6849/+29.6725+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T15:00:00+09:00 2026-08-22T18:00:00+09:00 降灰 70 +29.9624+129.3000/+29.9600+129.3063/+29.9500+129.3200/+29.9498+129.3400/+29.9434+129.3600/+29.9400+129.3665/+29.9331+129.3800/+29.9231+129.4000/+29.9200+129.4033/+29.9106+129.4200/+29.9000+129.4330/+29.8953+129.4400/+29.8800+129.4587/+29.8792+129.4600/+29.8677+129.4800/+29.8600+129.4886/+29.8527+129.5000/+29.8400+129.5114/+29.8327+129.5200/+29.8200+129.5329/+29.8140+129.5400/+29.8000+129.5541/+29.7969+129.5600/+29.7800+129.5781/+29.7790+129.5800/+29.7668+129.6000/+29.7600+129.6072/+29.7534+129.6200/+29.7400+129.6333/+29.7372+129.6400/+29.7200+129.6574/+29.7192+129.6600/+29.7000+129.6796/+29.6999+129.6800/+29.6954+129.7000/+29.6800+129.7154/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6600/+29.6416+129.6400/+29.6600+129.6204/+29.6602+129.6200/+29.6645+129.6000/+29.6800+129.5825/+29.6812+129.5800/+29.6904+129.5600/+29.7000+129.5489/+29.7046+129.5400/+29.7200+129.5221/+29.7217+129.5200/+29.7364+129.5000/+29.7400+129.4955/+29.7476+129.4800/+29.7600+129.4660/+29.7664+129.4600/+29.7798+129.4400/+29.7800+129.4396/+29.7961+129.4200/+29.8000+129.4158/+29.8169+129.4000/+29.8200+129.3971/+29.8343+129.3800/+29.8400+129.3726/+29.8565+129.3600/+29.8600+129.3557/+29.8756+129.3400/+29.8800+129.3364/+29.9000+129.3207/+29.9005+129.3200/+29.9200+129.3053/+29.9341+129.3000/+29.9400+129.2958/+29.9600+129.2973/+29.9624+129.3000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6692+129.7000/+29.6600+129.7092/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6214+129.7000/+29.6400+129.6813/+29.6600+129.6884/+29.6692+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、２２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。 　２２日０時から２２日１８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 　２２日００時から０３時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日０３時から０６時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日０６時から０９時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日０９時から１２時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日１２時から１５時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日１５時から１８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。