2026-08-29T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-29T17:00:00+09:00 2026-08-29T18:00:00+09:00 2026-08-30T12:00:00+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、２９日２１時から２４時までは火口から北西方向、３０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 2026-08-29T18:00:00+09:00 2026-08-29T21:00:00+09:00 降灰 70 +30.0877+129.4000/+30.0800+129.4042/+30.0600+129.4195/+30.0592+129.4200/+30.0462+129.4400/+30.0400+129.4483/+30.0325+129.4600/+30.0200+129.4689/+30.0092+129.4800/+30.0000+129.4877/+29.9890+129.5000/+29.9800+129.5071/+29.9600+129.5176/+29.9570+129.5200/+29.9400+129.5326/+29.9332+129.5400/+29.9200+129.5504/+29.9025+129.5600/+29.9000+129.5629/+29.8800+129.5729/+29.8624+129.5800/+29.8600+129.5821/+29.8400+129.5973/+29.8364+129.6000/+29.8200+129.6144/+29.8082+129.6200/+29.8000+129.6279/+29.7800+129.6393/+29.7790+129.6400/+29.7600+129.6580/+29.7568+129.6600/+29.7400+129.6765/+29.7321+129.6800/+29.7200+129.6920/+29.7000+129.6999/+29.6999+129.7000/+29.6800+129.7198/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6329+129.6800/+29.6400+129.6729/+29.6600+129.6601/+29.6603+129.6600/+29.6800+129.6403/+29.6810+129.6400/+29.7000+129.6211/+29.7024+129.6200/+29.7200+129.6024/+29.7247+129.6000/+29.7400+129.5848/+29.7490+129.5800/+29.7600+129.5692/+29.7777+129.5600/+29.7800+129.5576/+29.8000+129.5407/+29.8013+129.5400/+29.8200+129.5234/+29.8264+129.5200/+29.8400+129.5013/+29.8414+129.5000/+29.8600+129.4808/+29.8611+129.4800/+29.8800+129.4674/+29.8927+129.4600/+29.9000+129.4542/+29.9200+129.4437/+29.9286+129.4400/+29.9400+129.4295/+29.9569+129.4200/+29.9600+129.4187/+29.9800+129.4130/+30.0000+129.4052/+30.0194+129.4000/+30.0200+129.3997/+30.0400+129.3913/+30.0600+129.3890/+30.0800+129.3951/+30.0877+129.4000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6731+129.7000/+29.6600+129.7118/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6868/+29.6731+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-29T21:00:00+09:00 2026-08-30T00:00:00+09:00 降灰 70 +30.0914+129.4400/+30.0879+129.4600/+30.0800+129.4646/+30.0619+129.4800/+30.0600+129.4822/+30.0487+129.5000/+30.0400+129.5040/+30.0200+129.5190/+30.0189+129.5200/+30.0000+129.5329/+29.9919+129.5400/+29.9800+129.5474/+29.9600+129.5547/+29.9482+129.5600/+29.9400+129.5663/+29.9261+129.5800/+29.9200+129.5848/+29.9000+129.5968/+29.8800+129.5969/+29.8729+129.6000/+29.8600+129.6093/+29.8400+129.6183/+29.8370+129.6200/+29.8200+129.6344/+29.8000+129.6395/+29.7993+129.6400/+29.7800+129.6576/+29.7732+129.6600/+29.7600+129.6728/+29.7400+129.6795/+29.7392+129.6800/+29.7200+129.6988/+29.7159+129.7000/+29.7000+129.7159/+29.6800+129.7199/+29.6799+129.7200/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6800/+29.6401+129.6800/+29.6600+129.6601/+29.6611+129.6600/+29.6800+129.6411/+29.6855+129.6400/+29.7000+129.6255/+29.7200+129.6200/+29.7201+129.6200/+29.7400+129.6013/+29.7434+129.6000/+29.7600+129.5839/+29.7724+129.5800/+29.7800+129.5724/+29.8000+129.5607/+29.8017+129.5600/+29.8200+129.5444/+29.8294+129.5400/+29.8400+129.5309/+29.8517+129.5200/+29.8600+129.5107/+29.8800+129.5040/+29.8911+129.5000/+29.9000+129.4913/+29.9200+129.4810/+29.9231+129.4800/+29.9400+129.4679/+29.9543+129.4600/+29.9600+129.4577/+29.9800+129.4530/+30.0000+129.4471/+30.0200+129.4433/+30.0295+129.4400/+30.0400+129.4352/+30.0600+129.4338/+30.0800+129.4371/+30.0914+129.4400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6745+129.7000/+29.6652+129.7200/+29.6600+129.7252/+29.6400+129.7388/+29.6212+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6860/+29.6745+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-30T00:00:00+09:00 2026-08-30T03:00:00+09:00 降灰 70 +30.0968+129.5000/+30.0800+129.5156/+30.0759+129.5200/+30.0643+129.5400/+30.0600+129.5427/+30.0400+129.5537/+30.0325+129.5600/+30.0200+129.5688/+30.0000+129.5778/+29.9961+129.5800/+29.9800+129.5875/+29.9600+129.5972/+29.9535+129.6000/+29.9400+129.6054/+29.9200+129.6149/+29.9030+129.6200/+29.9000+129.6218/+29.8800+129.6261/+29.8600+129.6356/+29.8400+129.6397/+29.8394+129.6400/+29.8200+129.6559/+29.8000+129.6597/+29.7993+129.6600/+29.7800+129.6767/+29.7600+129.6797/+29.7592+129.6800/+29.7400+129.6978/+29.7200+129.6998/+29.7196+129.7000/+29.7000+129.7193/+29.6850+129.7200/+29.6800+129.7250/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6801/+29.6403+129.6800/+29.6600+129.6603/+29.6712+129.6600/+29.6800+129.6512/+29.7000+129.6405/+29.7036+129.6400/+29.7200+129.6238/+29.7400+129.6202/+29.7409+129.6200/+29.7600+129.6026/+29.7751+129.6000/+29.7800+129.5954/+29.8000+129.5824/+29.8083+129.5800/+29.8200+129.5698/+29.8400+129.5618/+29.8469+129.5600/+29.8600+129.5501/+29.8720+129.5400/+29.8800+129.5316/+29.9000+129.5263/+29.9200+129.5213/+29.9242+129.5200/+29.9400+129.5132/+29.9600+129.5018/+29.9681+129.5000/+29.9800+129.4974/+30.0000+129.4930/+30.0200+129.4901/+30.0400+129.4850/+30.0600+129.4850/+30.0800+129.4912/+30.0968+129.5000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6735+129.7000/+29.6699+129.7200/+29.6600+129.7299/+29.6400+129.7388/+29.6212+129.7200/+29.6221+129.7000/+29.6400+129.6821/+29.6600+129.6875/+29.6735+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-30T03:00:00+09:00 2026-08-30T06:00:00+09:00 降灰 70 +30.0512+129.5200/+30.0438+129.5400/+30.0400+129.5446/+30.0298+129.5600/+30.0200+129.5669/+30.0000+129.5771/+29.9963+129.5800/+29.9800+129.5907/+29.9682+129.6000/+29.9600+129.6043/+29.9400+129.6123/+29.9200+129.6179/+29.9146+129.6200/+29.9000+129.6276/+29.8800+129.6327/+29.8600+129.6386/+29.8561+129.6400/+29.8400+129.6511/+29.8200+129.6583/+29.8118+129.6600/+29.8000+129.6693/+29.7800+129.6778/+29.7661+129.6800/+29.7600+129.6857/+29.7400+129.6985/+29.7205+129.7000/+29.7200+129.7005/+29.7000+129.7194/+29.6912+129.7200/+29.6800+129.7312/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6801/+29.6405+129.6800/+29.6600+129.6605/+29.6800+129.6600/+29.6801+129.6600/+29.7000+129.6409/+29.7075+129.6400/+29.7200+129.6277/+29.7400+129.6209/+29.7448+129.6200/+29.7600+129.6057/+29.7800+129.6005/+29.7818+129.6000/+29.8000+129.5850/+29.8174+129.5800/+29.8200+129.5776/+29.8400+129.5659/+29.8600+129.5600/+29.8800+129.5409/+29.8824+129.5400/+29.9000+129.5306/+29.9200+129.5241/+29.9345+129.5200/+29.9400+129.5179/+29.9600+129.5112/+29.9800+129.5077/+30.0000+129.5041/+30.0200+129.5041/+30.0400+129.5041/+30.0512+129.5200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6719+129.7000/+29.6667+129.7200/+29.6600+129.7267/+29.6400+129.7388/+29.6212+129.7200/+29.6227+129.7000/+29.6400+129.6827/+29.6600+129.6886/+29.6719+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-30T06:00:00+09:00 2026-08-30T09:00:00+09:00 降灰 70 +29.9525+129.4800/+29.9463+129.5000/+29.9400+129.5084/+29.9347+129.5200/+29.9245+129.5400/+29.9200+129.5453/+29.9067+129.5600/+29.9000+129.5661/+29.8800+129.5732/+29.8734+129.5800/+29.8600+129.5937/+29.8502+129.6000/+29.8400+129.6076/+29.8200+129.6191/+29.8187+129.6200/+29.8000+129.6354/+29.7936+129.6400/+29.7800+129.6522/+29.7600+129.6596/+29.7594+129.6600/+29.7400+129.6778/+29.7363+129.6800/+29.7200+129.6959/+29.7097+129.7000/+29.7000+129.7097/+29.6800+129.7198/+29.6799+129.7200/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6250+129.6800/+29.6400+129.6650/+29.6536+129.6600/+29.6600+129.6536/+29.6760+129.6400/+29.6800+129.6360/+29.7000+129.6201/+29.7002+129.6200/+29.7200+129.6003/+29.7205+129.6000/+29.7400+129.5814/+29.7424+129.5800/+29.7600+129.5633/+29.7662+129.5600/+29.7800+129.5466/+29.7885+129.5400/+29.8000+129.5286/+29.8146+129.5200/+29.8200+129.5147/+29.8400+129.5011/+29.8429+129.5000/+29.8600+129.4876/+29.8751+129.4800/+29.8800+129.4771/+29.9000+129.4677/+29.9200+129.4630/+29.9400+129.4689/+29.9525+129.4800/ 北西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6664+129.7000/+29.6620+129.7200/+29.6600+129.7220/+29.6400+129.7388/+29.6212+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6935/+29.6664+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-30T09:00:00+09:00 2026-08-30T12:00:00+09:00 降灰 70 +29.9034+129.4400/+29.9000+129.4471/+29.8949+129.4600/+29.8838+129.4800/+29.8800+129.4837/+29.8728+129.5000/+29.8600+129.5194/+29.8595+129.5200/+29.8400+129.5341/+29.8344+129.5400/+29.8200+129.5519/+29.8141+129.5600/+29.8000+129.5750/+29.7968+129.5800/+29.7800+129.5976/+29.7786+129.6000/+29.7600+129.6187/+29.7592+129.6200/+29.7400+129.6391/+29.7395+129.6400/+29.7200+129.6600/+29.7111+129.6800/+29.7000+129.6911/+29.6983+129.7000/+29.6800+129.7183/+29.6798+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6206+129.6800/+29.6400+129.6606/+29.6406+129.6600/+29.6600+129.6403/+29.6603+129.6400/+29.6692+129.6200/+29.6800+129.6089/+29.6841+129.6000/+29.7000+129.5834/+29.7023+129.5800/+29.7200+129.5603/+29.7203+129.5600/+29.7314+129.5400/+29.7400+129.5300/+29.7471+129.5200/+29.7600+129.5051/+29.7656+129.5000/+29.7800+129.4843/+29.7843+129.4800/+29.7951+129.4600/+29.8000+129.4541/+29.8195+129.4400/+29.8200+129.4394/+29.8400+129.4208/+29.8416+129.4200/+29.8600+129.4071/+29.8729+129.4000/+29.8800+129.3953/+29.8892+129.4000/+29.8990+129.4200/+29.9000+129.4243/+29.9034+129.4400/ 北西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6597+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6597+129.7000/ 南西 1 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、２９日２１時から２４時までは火口から北西方向、３０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。 　２９日１８時から３０日１２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 　２９日１８時から２１時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２９日２１時から２４時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３０日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日０３時から０６時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日０６時から０９時まで　北西　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　３０日０９時から１２時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　 　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。