2026-07-03T23:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T08:00:00+09:00 2026-07-04T09:00:00+09:00 2026-07-05T03:00:00+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、４日０９時から１２時までは火口から東方向、４日２１時から２４時までは火口から東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 2026-07-04T09:00:00+09:00 2026-07-04T12:00:00+09:00 降灰 70 +29.8226+130.1000/+29.8267+130.1200/+29.8288+130.1400/+29.8307+130.1600/+29.8340+130.1800/+29.8337+130.2000/+29.8332+130.2200/+29.8324+130.2400/+29.8303+130.2600/+29.8264+130.2800/+29.8207+130.3000/+29.8200+130.3014/+29.8030+130.3200/+29.8000+130.3218/+29.7989+130.3200/+29.7893+130.3000/+29.7836+130.2800/+29.7800+130.2666/+29.7782+130.2600/+29.7714+130.2400/+29.7630+130.2200/+29.7600+130.2164/+29.7506+130.2000/+29.7422+130.1800/+29.7400+130.1724/+29.7371+130.1600/+29.7326+130.1400/+29.7291+130.1200/+29.7229+130.1000/+29.7200+130.0927/+29.7150+130.0800/+29.7096+130.0600/+29.7062+130.0400/+29.7023+130.0200/+29.7013+130.0000/+29.7000+129.9923/+29.6933+129.9800/+29.6852+129.9600/+29.6822+129.9400/+29.6801+129.9200/+29.6800+129.9196/+29.6665+129.9000/+29.6623+129.8800/+29.6608+129.8600/+29.6600+129.8533/+29.6483+129.8400/+29.6416+129.8200/+29.6404+129.8000/+29.6400+129.7877/+29.6325+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6891/+29.6709+129.7000/+29.6799+129.7200/+29.6800+129.7337/+29.6863+129.7400/+29.6995+129.7600/+29.6999+129.7800/+29.7000+129.7815/+29.7177+129.8000/+29.7194+129.8200/+29.7200+129.8265/+29.7329+129.8400/+29.7382+129.8600/+29.7400+129.8793/+29.7406+129.8800/+29.7553+129.9000/+29.7585+129.9200/+29.7600+129.9296/+29.7674+129.9400/+29.7734+129.9600/+29.7800+129.9713/+29.7891+129.9800/+29.7947+130.0000/+29.7991+130.0200/+29.8000+130.0242/+29.8052+130.0400/+29.8085+130.0600/+29.8180+130.0800/+29.8200+130.0889/+29.8226+130.1000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6599+129.7400/+29.6400+129.7557/+29.6281+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +29.8029+130.0800/+29.8041+130.1000/+29.8068+130.1200/+29.8118+130.1400/+29.8166+130.1600/+29.8161+130.1800/+29.8171+130.2000/+29.8180+130.2200/+29.8189+130.2400/+29.8179+130.2600/+29.8143+130.2800/+29.8098+130.3000/+29.8027+130.3200/+29.8000+130.3257/+29.7958+130.3200/+29.7811+130.3000/+29.7800+130.2986/+29.7609+130.2800/+29.7600+130.2793/+29.7477+130.2600/+29.7400+130.2457/+29.7384+130.2400/+29.7353+130.2200/+29.7336+130.2000/+29.7276+130.1800/+29.7227+130.1600/+29.7200+130.1540/+29.7123+130.1400/+29.7114+130.1200/+29.7066+130.1000/+29.7031+130.0800/+29.7000+130.0654/+29.6969+130.0600/+29.6878+130.0400/+29.6883+130.0200/+29.6859+130.0000/+29.6822+129.9800/+29.6801+129.9600/+29.6800+129.9596/+29.6690+129.9400/+29.6639+129.9200/+29.6619+129.9000/+29.6603+129.8800/+29.6600+129.8770/+29.6476+129.8600/+29.6421+129.8400/+29.6407+129.8200/+29.6401+129.8000/+29.6400+129.7987/+29.6227+129.7800/+29.6203+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6220+129.7000/+29.6400+129.6820/+29.6600+129.6912/+29.6688+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7402/+29.6993+129.7600/+29.6998+129.7800/+29.7000+129.7834/+29.7161+129.8000/+29.7190+129.8200/+29.7200+129.8334/+29.7262+129.8400/+29.7368+129.8600/+29.7389+129.8800/+29.7400+129.8884/+29.7489+129.9000/+29.7552+129.9200/+29.7598+129.9400/+29.7600+129.9415/+29.7686+129.9600/+29.7800+129.9784/+29.7817+129.9800/+29.7864+130.0000/+29.7908+130.0200/+29.7949+130.0400/+29.7993+130.0600/+29.8000+130.0671/+29.8029+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6593+129.7200/+29.6588+129.7400/+29.6400+129.7561/+29.6280+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6593+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +29.7673+130.0400/+29.7690+130.0600/+29.7704+130.0800/+29.7753+130.1000/+29.7760+130.1200/+29.7751+130.1400/+29.7740+130.1600/+29.7762+130.1800/+29.7785+130.2000/+29.7762+130.2200/+29.7738+130.2400/+29.7711+130.2600/+29.7677+130.2800/+29.7627+130.3000/+29.7600+130.3101/+29.7400+130.3079/+29.7377+130.3000/+29.7292+130.2800/+29.7207+130.2600/+29.7200+130.2584/+29.7122+130.2400/+29.7002+130.2200/+29.7000+130.2188/+29.6968+130.2000/+29.6950+130.1800/+29.6934+130.1600/+29.6892+130.1400/+29.6839+130.1200/+29.6800+130.1004/+29.6799+130.1000/+29.6746+130.0800/+29.6705+130.0600/+29.6670+130.0400/+29.6716+130.0200/+29.6685+130.0000/+29.6645+129.9800/+29.6626+129.9600/+29.6614+129.9400/+29.6602+129.9200/+29.6600+129.9183/+29.6487+129.9000/+29.6440+129.8800/+29.6417+129.8600/+29.6408+129.8400/+29.6402+129.8200/+29.6400+129.8156/+29.6264+129.8000/+29.6210+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6913/+29.6687+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7428/+29.6971+129.7600/+29.6994+129.7800/+29.6998+129.8000/+29.7000+129.8037/+29.7148+129.8200/+29.7182+129.8400/+29.7192+129.8600/+29.7200+129.8704/+29.7271+129.8800/+29.7354+129.9000/+29.7375+129.9200/+29.7399+129.9400/+29.7400+129.9406/+29.7474+129.9600/+29.7522+129.9800/+29.7561+130.0000/+29.7599+130.0200/+29.7600+130.0210/+29.7673+130.0400/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6538+129.7400/+29.6400+129.7544/+29.6294+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +29.7428+130.0200/+29.7453+130.0400/+29.7453+130.0600/+29.7458+130.0800/+29.7470+130.1000/+29.7517+130.1200/+29.7517+130.1400/+29.7518+130.1600/+29.7520+130.1800/+29.7525+130.2000/+29.7543+130.2200/+29.7522+130.2400/+29.7483+130.2600/+29.7420+130.2800/+29.7400+130.2856/+29.7200+130.2866/+29.7000+130.2872/+29.6979+130.2800/+29.6929+130.2600/+29.6873+130.2400/+29.6885+130.2200/+29.6827+130.2000/+29.6800+130.1921/+29.6757+130.1800/+29.6703+130.1600/+29.6648+130.1400/+29.6659+130.1200/+29.6618+130.1000/+29.6600+130.0935/+29.6560+130.0800/+29.6523+130.0600/+29.6498+130.0400/+29.6562+130.0200/+29.6514+130.0000/+29.6468+129.9800/+29.6447+129.9600/+29.6425+129.9400/+29.6417+129.9200/+29.6407+129.9000/+29.6400+129.8839/+29.6378+129.8800/+29.6296+129.8600/+29.6243+129.8400/+29.6217+129.8200/+29.6207+129.8000/+29.6202+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6929/+29.6671+129.7000/+29.6798+129.7200/+29.6799+129.7400/+29.6800+129.7600/+29.6800+129.7622/+29.6963+129.7800/+29.6987+129.8000/+29.6993+129.8200/+29.6999+129.8400/+29.7000+129.8415/+29.7111+129.8600/+29.7155+129.8800/+29.7174+129.9000/+29.7185+129.9200/+29.7200+129.9398/+29.7201+129.9400/+29.7285+129.9600/+29.7321+129.9800/+29.7338+130.0000/+29.7400+130.0160/+29.7428+130.0200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6515+129.7400/+29.6400+129.7523/+29.6304+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +29.7428+130.1200/+29.7414+130.1400/+29.7400+130.1567/+29.7397+130.1600/+29.7380+130.1800/+29.7358+130.2000/+29.7319+130.2200/+29.7222+130.2400/+29.7200+130.2486/+29.7166+130.2600/+29.7085+130.2800/+29.7000+130.2953/+29.6938+130.2800/+29.6873+130.2600/+29.6822+130.2400/+29.6800+130.2358/+29.6732+130.2200/+29.6685+130.2000/+29.6629+130.1800/+29.6600+130.1660/+29.6589+130.1600/+29.6541+130.1400/+29.6527+130.1200/+29.6509+130.1000/+29.6480+130.0800/+29.6461+130.0600/+29.6446+130.0400/+29.6458+130.0200/+29.6446+130.0000/+29.6436+129.9800/+29.6423+129.9600/+29.6406+129.9400/+29.6403+129.9200/+29.6400+129.9092/+29.6376+129.9000/+29.6295+129.8800/+29.6249+129.8600/+29.6226+129.8400/+29.6212+129.8200/+29.6205+129.8000/+29.6202+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6910/+29.6690+129.7000/+29.6798+129.7200/+29.6799+129.7400/+29.6799+129.7600/+29.6800+129.7800/+29.6800+129.7814/+29.6958+129.8000/+29.6981+129.8200/+29.6987+129.8400/+29.6991+129.8600/+29.6999+129.8800/+29.7000+129.8817/+29.7095+129.9000/+29.7121+129.9200/+29.7145+129.9400/+29.7158+129.9600/+29.7175+129.9800/+29.7190+130.0000/+29.7200+130.0038/+29.7324+130.0200/+29.7332+130.0400/+29.7347+130.0600/+29.7357+130.0800/+29.7363+130.1000/+29.7400+130.1127/+29.7428+130.1200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6485+129.7400/+29.6400+129.7494/+29.6328+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +29.7614+130.1200/+29.7664+130.1400/+29.7704+130.1600/+29.7721+130.1800/+29.7739+130.2000/+29.7683+130.2200/+29.7654+130.2400/+29.7606+130.2600/+29.7600+130.2619/+29.7400+130.2608/+29.7397+130.2600/+29.7330+130.2400/+29.7200+130.2232/+29.7181+130.2200/+29.7109+130.2000/+29.7015+130.1800/+29.7000+130.1756/+29.6958+130.1600/+29.6919+130.1400/+29.6873+130.1200/+29.6833+130.1000/+29.6800+130.0883/+29.6771+130.0800/+29.6718+130.0600/+29.6680+130.0400/+29.6735+130.0200/+29.6667+130.0000/+29.6641+129.9800/+29.6621+129.9600/+29.6604+129.9400/+29.6600+129.9335/+29.6543+129.9200/+29.6457+129.9000/+29.6427+129.8800/+29.6412+129.8600/+29.6405+129.8400/+29.6400+129.8200/+29.6400+129.8196/+29.6238+129.8000/+29.6206+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.6866/+29.6733+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7600/+29.6800+129.7602/+29.6980+129.7800/+29.6993+129.8000/+29.6997+129.8200/+29.7000+129.8308/+29.7069+129.8400/+29.7149+129.8600/+29.7175+129.8800/+29.7186+129.9000/+29.7200+129.9183/+29.7211+129.9200/+29.7302+129.9400/+29.7351+129.9600/+29.7361+129.9800/+29.7378+130.0000/+29.7400+130.0055/+29.7519+130.0200/+29.7535+130.0400/+29.7546+130.0600/+29.7556+130.0800/+29.7568+130.1000/+29.7600+130.1175/+29.7614+130.1200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6469+129.7400/+29.6400+129.7462/+29.6355+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 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、４日０９時から１２時までは火口から東方向、４日２１時から２４時までは火口から東方向に降灰が予想されます。 　４日９時から５日３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 　０４日０９時から１２時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　 　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。