2026-08-15T14:00:00Z 通常 気象庁本庁 気象庁 2026-08-15T23:00:00+09:00 2026-08-16T00:00:00+09:00 2026-08-16T18:00:00+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０９時から１２時までは火口から北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 2026-08-16T00:00:00+09:00 2026-08-16T03:00:00+09:00 降灰 70 +30.0840+129.4800/+30.0888+129.5000/+30.0800+129.5075/+30.0623+129.5200/+30.0600+129.5215/+30.0400+129.5388/+30.0384+129.5400/+30.0200+129.5517/+30.0037+129.5600/+30.0000+129.5625/+29.9800+129.5756/+29.9718+129.5800/+29.9600+129.5880/+29.9400+129.5978/+29.9369+129.6000/+29.9200+129.6115/+29.9000+129.6186/+29.8800+129.6196/+29.8786+129.6200/+29.8600+129.6342/+29.8400+129.6390/+29.8344+129.6400/+29.8200+129.6501/+29.8000+129.6584/+29.7933+129.6600/+29.7800+129.6726/+29.7600+129.6788/+29.7539+129.6800/+29.7400+129.6925/+29.7200+129.6995/+29.7188+129.7000/+29.7000+129.7187/+29.6800+129.7200/+29.6799+129.7200/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6801/+29.6402+129.6800/+29.6600+129.6602/+29.6632+129.6600/+29.6800+129.6432/+29.7000+129.6401/+29.7004+129.6400/+29.7200+129.6211/+29.7250+129.6200/+29.7400+129.6056/+29.7600+129.6002/+29.7608+129.6000/+29.7800+129.5827/+29.7886+129.5800/+29.8000+129.5697/+29.8200+129.5617/+29.8247+129.5600/+29.8400+129.5468/+29.8600+129.5405/+29.8610+129.5400/+29.8800+129.5214/+29.8833+129.5200/+29.9000+129.5099/+29.9200+129.5048/+29.9400+129.5005/+29.9413+129.5000/+29.9600+129.4876/+29.9800+129.4825/+29.9867+129.4800/+30.0000+129.4712/+30.0200+129.4655/+30.0400+129.4637/+30.0600+129.4663/+30.0800+129.4744/+30.0840+129.4800/ +29.9142+129.6800/+29.9000+129.6971/+29.8984+129.7000/+29.8800+129.7098/+29.8600+129.7099/+29.8400+129.7110/+29.8200+129.7034/+29.8000+129.7007/+29.7985+129.7000/+29.8000+129.6903/+29.8044+129.6800/+29.8200+129.6764/+29.8400+129.6637/+29.8600+129.6693/+29.8800+129.6658/+29.9000+129.6707/+29.9142+129.6800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6740+129.7000/+29.6727+129.7200/+29.6600+129.7327/+29.6400+129.7388/+29.6212+129.7200/+29.6224+129.7000/+29.6400+129.6824/+29.6600+129.6869/+29.6740+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-16T03:00:00+09:00 2026-08-16T06:00:00+09:00 降灰 70 +30.0862+129.5000/+30.0800+129.5041/+30.0600+129.5183/+30.0592+129.5200/+30.0421+129.5400/+30.0400+129.5410/+30.0200+129.5536/+30.0110+129.5600/+30.0000+129.5665/+29.9800+129.5793/+29.9788+129.5800/+29.9600+129.5926/+29.9465+129.6000/+29.9400+129.6034/+29.9200+129.6155/+29.9093+129.6200/+29.9000+129.6270/+29.8800+129.6329/+29.8600+129.6390/+29.8581+129.6400/+29.8600+129.6572/+29.8612+129.6600/+29.8797+129.6800/+29.8657+129.7000/+29.8600+129.7033/+29.8400+129.7069/+29.8200+129.7131/+29.8000+129.7144/+29.7800+129.7145/+29.7600+129.7149/+29.7400+129.7154/+29.7200+129.7178/+29.7000+129.7197/+29.6975+129.7200/+29.6800+129.7367/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6801/+29.6406+129.6800/+29.6600+129.6606/+29.6800+129.6600/+29.6801+129.6600/+29.7000+129.6409/+29.7060+129.6400/+29.7200+129.6262/+29.7400+129.6205/+29.7416+129.6200/+29.7600+129.6033/+29.7708+129.6000/+29.7800+129.5914/+29.8000+129.5822/+29.8053+129.5800/+29.8200+129.5674/+29.8394+129.5600/+29.8400+129.5595/+29.8600+129.5464/+29.8698+129.5400/+29.8800+129.5292/+29.9000+129.5227/+29.9073+129.5200/+29.9200+129.5141/+29.9400+129.5071/+29.9537+129.5000/+29.9600+129.4951/+29.9800+129.4917/+30.0000+129.4864/+30.0200+129.4838/+30.0346+129.4800/+30.0400+129.4787/+30.0455+129.4800/+30.0600+129.4854/+30.0800+129.4952/+30.0862+129.5000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6746+129.7000/+29.6710+129.7200/+29.6600+129.7310/+29.6400+129.7388/+29.6212+129.7200/+29.6222+129.7000/+29.6400+129.6822/+29.6600+129.6863/+29.6746+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-16T06:00:00+09:00 2026-08-16T09:00:00+09:00 降灰 70 +30.0714+129.5600/+30.0600+129.5786/+30.0582+129.5800/+30.0448+129.6000/+30.0400+129.6030/+30.0200+129.6145/+30.0054+129.6200/+30.0000+129.6217/+29.9800+129.6304/+29.9600+129.6384/+29.9552+129.6400/+29.9400+129.6463/+29.9200+129.6536/+29.9000+129.6533/+29.8800+129.6575/+29.8652+129.6600/+29.8600+129.6627/+29.8400+129.6710/+29.8200+129.6772/+29.8000+129.6795/+29.7978+129.6800/+29.7800+129.6938/+29.7600+129.6985/+29.7400+129.6999/+29.7397+129.7000/+29.7200+129.7179/+29.7000+129.7198/+29.6982+129.7200/+29.6800+129.7379/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6801/+29.6415+129.6800/+29.6600+129.6614/+29.6800+129.6602/+29.6847+129.6600/+29.7000+129.6448/+29.7200+129.6407/+29.7301+129.6400/+29.7400+129.6308/+29.7600+129.6220/+29.7745+129.6200/+29.7800+129.6148/+29.8000+129.6034/+29.8188+129.6000/+29.8200+129.5990/+29.8400+129.5885/+29.8600+129.5830/+29.8800+129.5807/+29.8819+129.5800/+29.9000+129.5675/+29.9200+129.5653/+29.9400+129.5633/+29.9600+129.5601/+29.9610+129.5600/+29.9800+129.5536/+30.0000+129.5513/+30.0200+129.5507/+30.0400+129.5501/+30.0600+129.5506/+30.0714+129.5600/ 北 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6720+129.7000/+29.6725+129.7200/+29.6600+129.7325/+29.6400+129.7388/+29.6212+129.7200/+29.6231+129.7000/+29.6400+129.6831/+29.6600+129.6892/+29.6720+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-16T09:00:00+09:00 2026-08-16T12:00:00+09:00 降灰 70 +29.9960+129.5800/+29.9980+129.6000/+29.9800+129.6176/+29.9783+129.6200/+29.9600+129.6331/+29.9486+129.6400/+29.9400+129.6451/+29.9200+129.6574/+29.9031+129.6600/+29.9000+129.6605/+29.8800+129.6676/+29.8600+129.6717/+29.8400+129.6765/+29.8216+129.6800/+29.8200+129.6810/+29.8000+129.6921/+29.7800+129.6976/+29.7600+129.6993/+29.7534+129.7000/+29.7400+129.7105/+29.7200+129.7186/+29.7000+129.7198/+29.6988+129.7200/+29.6800+129.7386/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6800/+29.6424+129.6800/+29.6600+129.6624/+29.6800+129.6603/+29.6882+129.6600/+29.7000+129.6483/+29.7200+129.6411/+29.7361+129.6400/+29.7400+129.6362/+29.7600+129.6226/+29.7744+129.6200/+29.7800+129.6149/+29.8000+129.6043/+29.8200+129.6010/+29.8238+129.6000/+29.8400+129.5887/+29.8600+129.5829/+29.8705+129.5800/+29.8800+129.5734/+29.9000+129.5659/+29.9200+129.5625/+29.9307+129.5600/+29.9400+129.5556/+29.9600+129.5596/+29.9647+129.5600/+29.9800+129.5617/+29.9960+129.5800/ 北 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6678+129.7000/+29.6653+129.7200/+29.6600+129.7253/+29.6400+129.7388/+29.6212+129.7200/+29.6230+129.7000/+29.6400+129.6830/+29.6600+129.6930/+29.6678+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-16T12:00:00+09:00 2026-08-16T15:00:00+09:00 降灰 70 +30.0001+129.5600/+30.0000+129.5601/+29.9941+129.5800/+29.9848+129.6000/+29.9800+129.6033/+29.9600+129.6130/+29.9400+129.6196/+29.9395+129.6200/+29.9200+129.6347/+29.9000+129.6399/+29.8994+129.6400/+29.8800+129.6459/+29.8600+129.6558/+29.8400+129.6599/+29.8395+129.6600/+29.8200+129.6710/+29.8000+129.6779/+29.7874+129.6800/+29.7800+129.6851/+29.7600+129.6965/+29.7400+129.6993/+29.7358+129.7000/+29.7200+129.7143/+29.7000+129.7195/+29.6954+129.7200/+29.6800+129.7354/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6400+129.6800/+29.6406+129.6800/+29.6600+129.6606/+29.6752+129.6600/+29.6800+129.6551/+29.7000+129.6411/+29.7084+129.6400/+29.7200+129.6289/+29.7400+129.6215/+29.7467+129.6200/+29.7600+129.6083/+29.7800+129.6021/+29.7895+129.6000/+29.8000+129.5921/+29.8200+129.5837/+29.8364+129.5800/+29.8400+129.5777/+29.8600+129.5694/+29.8800+129.5629/+29.8908+129.5600/+29.9000+129.5551/+29.9200+129.5495/+29.9400+129.5453/+29.9600+129.5457/+29.9800+129.5498/+30.0000+129.5600/+30.0001+129.5600/ 北 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6667+129.7000/+29.6642+129.7200/+29.6600+129.7242/+29.6400+129.7388/+29.6212+129.7200/+29.6243+129.7000/+29.6400+129.6843/+29.6600+129.6937/+29.6667+129.7000/ 北 2 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 +29.9605+129.5200/+29.9600+129.5206/+29.9496+129.5400/+29.9400+129.5477/+29.9267+129.5600/+29.9200+129.5659/+29.9028+129.5800/+29.9000+129.5821/+29.8800+129.5905/+29.8644+129.6000/+29.8600+129.6028/+29.8400+129.6162/+29.8337+129.6200/+29.8200+129.6302/+29.8000+129.6393/+29.7986+129.6400/+29.7800+129.6541/+29.7636+129.6600/+29.7600+129.6632/+29.7400+129.6783/+29.7370+129.6800/+29.7200+129.6961/+29.7069+129.7000/+29.7000+129.7068/+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+129.6600/+29.6602+129.6600/+29.6800+129.6403/+29.6808+129.6400/+29.7000+129.6209/+29.7021+129.6200/+29.7200+129.6026/+29.7257+129.6000/+29.7400+129.5860/+29.7512+129.5800/+29.7600+129.5714/+29.7800+129.5601/+29.7803+129.5600/+29.8000+129.5425/+29.8054+129.5400/+29.8200+129.5288/+29.8348+129.5200/+29.8400+129.5142/+29.8600+129.5044/+29.8708+129.5000/+29.8800+129.4940/+29.9000+129.4884/+29.9200+129.4858/+29.9400+129.4867/+29.9560+129.5000/+29.9600+129.5185/+29.9605+129.5200/ 北西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6621+129.7000/+29.6600+129.7019/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6226+129.7000/+29.6400+129.6826/+29.6600+129.6979/+29.6621+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、１６日０９時から１２時までは火口から北方向に降灰が予想されます。 　１６日０時から１６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 　１６日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１６日０３時から０６時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１６日０６時から０９時まで　北　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１６日０９時から１２時まで　北　　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　１６日１２時から１５時まで　北　　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　１６日１５時から１８時まで　北西　　　　　　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：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。