2026-08-15T02:00:00Z 通常 気象庁本庁 気象庁 2026-08-15T11:00:00+09:00 2026-08-15T12:00:00+09:00 2026-08-16T06:00:00+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、１５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 2026-08-15T12:00:00+09:00 2026-08-15T15:00:00+09:00 降灰 70 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北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6737+129.7000/+29.6697+129.7200/+29.6600+129.7296/+29.6400+129.7388/+29.6212+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6865/+29.6737+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-15T15:00:00+09:00 2026-08-15T18:00:00+09:00 降灰 70 +30.0457+129.4600/+30.0535+129.4800/+30.0408+129.5000/+30.0400+129.5006/+30.0236+129.5200/+30.0200+129.5229/+30.0000+129.5350/+29.9949+129.5400/+29.9800+129.5509/+29.9600+129.5598/+29.9597+129.5600/+29.9400+129.5744/+29.9342+129.5800/+29.9200+129.5924/+29.9098+129.6000/+29.9000+129.6070/+29.8800+129.6099/+29.8600+129.6190/+29.8581+129.6200/+29.8400+129.6349/+29.8275+129.6400/+29.8200+129.6527/+29.8132+129.6600/+29.8200+129.6750/+29.8400+129.6754/+29.8434+129.6800/+29.8400+129.6883/+29.8348+129.7000/+29.8200+129.7101/+29.8048+129.7200/+29.8000+129.7225/+29.7800+129.7306/+29.7600+129.7361/+29.7400+129.7381/+29.7200+129.7389/+29.7000+129.7392/+29.6800+129.7387/+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+129.6602/+29.6611+129.6600/+29.6800+129.6412/+29.6844+129.6400/+29.7000+129.6244/+29.7119+129.6200/+29.7200+129.6119/+29.7400+129.6006/+29.7415+129.6000/+29.7600+129.5829/+29.7674+129.5800/+29.7800+129.5675/+29.7920+129.5600/+29.8000+129.5530/+29.8200+129.5426/+29.8247+129.5400/+29.8400+129.5271/+29.8516+129.5200/+29.8600+129.5113/+29.8800+129.5038/+29.8887+129.5000/+29.9000+129.4904/+29.9200+129.4807/+29.9224+129.4800/+29.9400+129.4694/+29.9583+129.4600/+29.9600+129.4593/+29.9800+129.4554/+30.0000+129.4502/+30.0200+129.4490/+30.0400+129.4564/+30.0457+129.4600/ 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/+29.6653+129.7200/+29.6600+129.7252/+29.6400+129.7388/+29.6212+129.7200/+29.6219+129.7000/+29.6400+129.6819/+29.6600+129.6857/+29.6746+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-15T18:00:00+09:00 2026-08-15T21:00:00+09:00 降灰 70 +30.0251+129.5000/+30.0261+129.5200/+30.0200+129.5244/+30.0000+129.5366/+29.9968+129.5400/+29.9834+129.5600/+29.9800+129.5632/+29.9600+129.5771/+29.9557+129.5800/+29.9400+129.5910/+29.9282+129.6000/+29.9200+129.6052/+29.9000+129.6152/+29.8800+129.6197/+29.8794+129.6200/+29.8600+129.6334/+29.8408+129.6400/+29.8400+129.6410/+29.8200+129.6556/+29.8010+129.6600/+29.8000+129.6609/+29.7800+129.6787/+29.7730+129.6800/+29.7800+129.6880/+29.8000+129.6971/+29.8051+129.7000/+29.8085+129.7200/+29.8000+129.7288/+29.7916+129.7400/+29.7800+129.7493/+29.7600+129.7551/+29.7455+129.7600/+29.7400+129.7623/+29.7217+129.7600/+29.7200+129.7599/+29.7190+129.7600/+29.7000+129.7629/+29.6949+129.7600/+29.6800+129.7581/+29.6600+129.7552/+29.6443+129.7400/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6800/+29.6401+129.6800/+29.6600+129.6602/+29.6619+129.6600/+29.6800+129.6419/+29.6913+129.6400/+29.7000+129.6313/+29.7200+129.6206/+29.7221+129.6200/+29.7400+129.6033/+29.7502+129.6000/+29.7600+129.5905/+29.7800+129.5805/+29.7816+129.5800/+29.8000+129.5665/+29.8200+129.5602/+29.8205+129.5600/+29.8400+129.5452/+29.8561+129.5400/+29.8600+129.5357/+29.8800+129.5201/+29.8802+129.5200/+29.9000+129.5102/+29.9200+129.5051/+29.9400+129.5009/+29.9439+129.5000/+29.9600+129.4941/+29.9800+129.4907/+29.9969+129.4800/+30.0000+129.4779/+30.0192+129.4800/+30.0200+129.4809/+30.0251+129.5000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6718+129.7000/+29.6634+129.7200/+29.6600+129.7233/+29.6400+129.7388/+29.6212+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6885/+29.6718+129.7000/ 北 2 鹿児島県十島村 4630400 2026-08-15T21:00:00+09:00 2026-08-16T00:00:00+09:00 降灰 70 +30.0470+129.4800/+30.0400+129.4891/+30.0286+129.5000/+30.0200+129.5083/+30.0080+129.5200/+30.0000+129.5258/+29.9843+129.5400/+29.9800+129.5429/+29.9600+129.5542/+29.9501+129.5600/+29.9400+129.5673/+29.9206+129.5800/+29.9200+129.5804/+29.9000+129.5935/+29.8800+129.5948/+29.8708+129.6000/+29.8600+129.6096/+29.8400+129.6179/+29.8361+129.6200/+29.8200+129.6348/+29.8000+129.6400/+29.7800+129.6583/+29.7743+129.6600/+29.7800+129.6715/+29.7949+129.6800/+29.8000+129.6819/+29.8200+129.6884/+29.8400+129.6985/+29.8416+129.7000/+29.8400+129.7017/+29.8200+129.7110/+29.8111+129.7200/+29.8000+129.7256/+29.7800+129.7340/+29.7600+129.7354/+29.7400+129.7384/+29.7200+129.7397/+29.7138+129.7400/+29.7000+129.7425/+29.6939+129.7400/+29.6800+129.7394/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6377+129.6800/+29.6400+129.6777/+29.6600+129.6601/+29.6607+129.6600/+29.6800+129.6407/+29.6831+129.6400/+29.7000+129.6231/+29.7088+129.6200/+29.7200+129.6088/+29.7400+129.6003/+29.7408+129.6000/+29.7600+129.5819/+29.7643+129.5800/+29.7800+129.5654/+29.7905+129.5600/+29.8000+129.5504/+29.8200+129.5415/+29.8232+129.5400/+29.8400+129.5255/+29.8472+129.5200/+29.8600+129.5067/+29.8800+129.5012/+29.8833+129.5000/+29.9000+129.4854/+29.9134+129.4800/+29.9200+129.4764/+29.9400+129.4651/+29.9535+129.4600/+29.9600+129.4579/+29.9800+129.4539/+30.0000+129.4481/+30.0200+129.4480/+30.0368+129.4600/+30.0400+129.4636/+30.0470+129.4800/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6731+129.7000/+29.6677+129.7200/+29.6600+129.7277/+29.6400+129.7388/+29.6212+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6871/+29.6731+129.7000/ 北 2 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 +30.0844+129.5000/+30.0800+129.5041/+30.0600+129.5195/+30.0597+129.5200/+30.0400+129.5378/+30.0363+129.5400/+30.0200+129.5490/+30.0000+129.5590/+29.9991+129.5600/+29.9800+129.5743/+29.9706+129.5800/+29.9600+129.5875/+29.9400+129.5974/+29.9361+129.6000/+29.9200+129.6098/+29.9000+129.6174/+29.8849+129.6200/+29.8800+129.6227/+29.8600+129.6356/+29.8494+129.6400/+29.8400+129.6504/+29.8249+129.6600/+29.8200+129.6776/+29.8187+129.6800/+29.8200+129.6804/+29.8400+129.6951/+29.8600+129.6999/+29.8600+129.7000/+29.8400+129.7122/+29.8383+129.7200/+29.8200+129.7259/+29.8000+129.7286/+29.7800+129.7310/+29.7600+129.7322/+29.7400+129.7343/+29.7200+129.7341/+29.7000+129.7356/+29.6800+129.7372/+29.6600+129.7399/+29.6400+129.7399/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6800/+29.6402+129.6800/+29.6600+129.6602/+29.6621+129.6600/+29.6800+129.6421/+29.6924+129.6400/+29.7000+129.6325/+29.7200+129.6206/+29.7221+129.6200/+29.7400+129.6030/+29.7506+129.6000/+29.7600+129.5908/+29.7800+129.5805/+29.7813+129.5800/+29.8000+129.5642/+29.8120+129.5600/+29.8200+129.5526/+29.8400+129.5418/+29.8447+129.5400/+29.8600+129.5243/+29.8687+129.5200/+29.8800+129.5146/+29.9000+129.5075/+29.9200+129.5032/+29.9342+129.5000/+29.9400+129.4971/+29.9600+129.4877/+29.9800+129.4821/+29.9854+129.4800/+30.0000+129.4721/+30.0200+129.4679/+30.0400+129.4656/+30.0600+129.4707/+30.0741+129.4800/+30.0800+129.4885/+30.0844+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/+29.6725+129.7200/+29.6600+129.7325/+29.6400+129.7388/+29.6212+129.7200/+29.6224+129.7000/+29.6400+129.6824/+29.6600+129.6873/+29.6735+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 +30.0808+129.5000/+30.0800+129.5008/+30.0600+129.5183/+30.0590+129.5200/+30.0400+129.5389/+30.0382+129.5400/+30.0200+129.5502/+30.0010+129.5600/+30.0000+129.5606/+29.9800+129.5737/+29.9672+129.5800/+29.9600+129.5841/+29.9400+129.5937/+29.9298+129.6000/+29.9200+129.6058/+29.9000+129.6153/+29.8800+129.6181/+29.8746+129.6200/+29.8600+129.6300/+29.8400+129.6387/+29.8376+129.6400/+29.8200+129.6544/+29.8041+129.6600/+29.8000+129.6633/+29.7800+129.6770/+29.7619+129.6800/+29.7600+129.6814/+29.7400+129.6987/+29.7335+129.7000/+29.7200+129.7150/+29.7000+129.7198/+29.6982+129.7200/+29.7000+129.7270/+29.7200+129.7395/+29.7206+129.7400/+29.7400+129.7582/+29.7411+129.7600/+29.7516+129.7800/+29.7400+129.7903/+29.7200+129.7890/+29.7000+129.7988/+29.6973+129.8000/+29.6800+129.8053/+29.6661+129.8000/+29.6600+129.7970/+29.6440+129.7800/+29.6400+129.7770/+29.6300+129.7600/+29.6256+129.7400/+29.6201+129.7200/+29.6201+129.7000/+29.6400+129.6800/+29.6402+129.6800/+29.6600+129.6604/+29.6717+129.6600/+29.6800+129.6517/+29.7000+129.6404/+29.7022+129.6400/+29.7200+129.6225/+29.7322+129.6200/+29.7400+129.6124/+29.7600+129.6012/+29.7636+129.6000/+29.7800+129.5838/+29.7899+129.5800/+29.8000+129.5707/+29.8200+129.5602/+29.8208+129.5600/+29.8400+129.5472/+29.8595+129.5400/+29.8600+129.5392/+29.8789+129.5200/+29.8800+129.5194/+29.9000+129.5098/+29.9200+129.5042/+29.9371+129.5000/+29.9400+129.4985/+29.9600+129.4901/+29.9800+129.4851/+29.9935+129.4800/+30.0000+129.4764/+30.0200+129.4731/+30.0400+129.4717/+30.0572+129.4800/+30.0600+129.4827/+30.0800+129.4990/+30.0808+129.5000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6723+129.7000/+29.6669+129.7200/+29.6600+129.7269/+29.6400+129.7388/+29.6212+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6600+129.6879/+29.6723+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、１５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。 　１５日１２時から１６日６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 　１５日１２時から１５時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１５日１５時から１８時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１５日１８時から２１時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１５日２１時から２４時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　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　　　　　 　 　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。