2026-07-04T05:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T14:00:00+09:00 2026-07-04T15:00:00+09:00 2026-07-05T09:00:00+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 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +29.8014+130.2200/+29.8031+130.2400/+29.8019+130.2600/+29.8000+130.2690/+29.7896+130.2800/+29.7800+130.2881/+29.7619+130.3000/+29.7600+130.3009/+29.7592+130.3000/+29.7459+130.2800/+29.7400+130.2704/+29.7376+130.2600/+29.7321+130.2400/+29.7291+130.2200/+29.7261+130.2000/+29.7200+130.1835/+29.7183+130.1800/+29.7107+130.1600/+29.7035+130.1400/+29.7072+130.1200/+29.7041+130.1000/+29.7000+130.0820/+29.6987+130.0800/+29.6889+130.0600/+29.6835+130.0400/+29.6858+130.0200/+29.6833+130.0000/+29.6806+129.9800/+29.6800+129.9749/+29.6721+129.9600/+29.6666+129.9400/+29.6631+129.9200/+29.6612+129.9000/+29.6600+129.8800/+29.6600+129.8799/+29.6455+129.8600/+29.6418+129.8400/+29.6406+129.8200/+29.6401+129.8000/+29.6400+129.7991/+29.6223+129.7800/+29.6203+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6903/+29.6697+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7405/+29.6991+129.7600/+29.6997+129.7800/+29.7000+129.7865/+29.7132+129.8000/+29.7186+129.8200/+29.7197+129.8400/+29.7200+129.8423/+29.7347+129.8600/+29.7378+129.8800/+29.7400+129.8961/+29.7433+129.9000/+29.7535+129.9200/+29.7561+129.9400/+29.7588+129.9600/+29.7600+129.9694/+29.7667+129.9800/+29.7771+130.0000/+29.7800+130.0151/+29.7814+130.0200/+29.7865+130.0400/+29.7886+130.0600/+29.7911+130.0800/+29.7946+130.1000/+29.7973+130.1200/+29.7977+130.1400/+29.7980+130.1600/+29.7979+130.1800/+29.7998+130.2000/+29.8000+130.2036/+29.8014+130.2200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6593+129.7200/+29.6549+129.7400/+29.6400+129.7539/+29.6301+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6593+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +29.7802+130.1600/+29.7816+130.1800/+29.7833+130.2000/+29.7800+130.2181/+29.7796+130.2200/+29.7759+130.2400/+29.7720+130.2600/+29.7683+130.2800/+29.7632+130.3000/+29.7608+130.3200/+29.7600+130.3259/+29.7562+130.3200/+29.7400+130.3014/+29.7398+130.3000/+29.7337+130.2800/+29.7279+130.2600/+29.7201+130.2400/+29.7200+130.2399/+29.7042+130.2200/+29.7000+130.2049/+29.6988+130.2000/+29.6954+130.1800/+29.6927+130.1600/+29.6898+130.1400/+29.6854+130.1200/+29.6818+130.1000/+29.6800+130.0926/+29.6759+130.0800/+29.6713+130.0600/+29.6680+130.0400/+29.6714+130.0200/+29.6671+130.0000/+29.6642+129.9800/+29.6621+129.9600/+29.6604+129.9400/+29.6600+129.9351/+29.6527+129.9200/+29.6459+129.9000/+29.6427+129.8800/+29.6412+129.8600/+29.6405+129.8400/+29.6400+129.8267/+29.6345+129.8200/+29.6229+129.8000/+29.6206+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6216+129.7000/+29.6400+129.6815/+29.6600+129.6914/+29.6686+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7472/+29.6928+129.7600/+29.6990+129.7800/+29.6996+129.8000/+29.7000+129.8120/+29.7073+129.8200/+29.7163+129.8400/+29.7183+129.8600/+29.7199+129.8800/+29.7200+129.8816/+29.7299+129.9000/+29.7352+129.9200/+29.7377+129.9400/+29.7397+129.9600/+29.7400+129.9635/+29.7458+129.9800/+29.7517+130.0000/+29.7568+130.0200/+29.7586+130.0400/+29.7600+130.0531/+29.7627+130.0600/+29.7666+130.0800/+29.7728+130.1000/+29.7779+130.1200/+29.7790+130.1400/+29.7800+130.1569/+29.7802+130.1600/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6542+129.7400/+29.6400+129.7542/+29.6289+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 +29.7455+130.0200/+29.7471+130.0400/+29.7476+130.0600/+29.7484+130.0800/+29.7497+130.1000/+29.7531+130.1200/+29.7528+130.1400/+29.7524+130.1600/+29.7508+130.1800/+29.7483+130.2000/+29.7435+130.2200/+29.7400+130.2348/+29.7200+130.2398/+29.7106+130.2400/+29.7000+130.2408/+29.6997+130.2400/+29.6981+130.2200/+29.6934+130.2000/+29.6850+130.1800/+29.6800+130.1674/+29.6770+130.1600/+29.6694+130.1400/+29.6693+130.1200/+29.6674+130.1000/+29.6647+130.0800/+29.6607+130.0600/+29.6600+130.0569/+29.6552+130.0400/+29.6600+130.0259/+29.6607+130.0200/+29.6600+130.0151/+29.6544+130.0000/+29.6507+129.9800/+29.6482+129.9600/+29.6459+129.9400/+29.6434+129.9200/+29.6418+129.9000/+29.6410+129.8800/+29.6402+129.8600/+29.6400+129.8545/+29.6308+129.8400/+29.6237+129.8200/+29.6211+129.8000/+29.6203+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6211+129.7000/+29.6400+129.6811/+29.6600+129.6894/+29.6706+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6799+129.7600/+29.6800+129.7637/+29.6950+129.7800/+29.6987+129.8000/+29.6993+129.8200/+29.6997+129.8400/+29.7000+129.8479/+29.7085+129.8600/+29.7151+129.8800/+29.7175+129.9000/+29.7187+129.9200/+29.7193+129.9400/+29.7200+129.9500/+29.7249+129.9600/+29.7336+129.9800/+29.7361+130.0000/+29.7400+130.0123/+29.7455+130.0200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6475+129.7400/+29.6400+129.7480/+29.6339+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 +29.7633+130.0600/+29.7651+130.0800/+29.7673+130.1000/+29.7733+130.1200/+29.7737+130.1400/+29.7740+130.1600/+29.7723+130.1800/+29.7702+130.2000/+29.7617+130.2200/+29.7600+130.2279/+29.7400+130.2329/+29.7330+130.2200/+29.7200+130.2101/+29.7148+130.2000/+29.7072+130.1800/+29.7019+130.1600/+29.7000+130.1547/+29.6957+130.1400/+29.6900+130.1200/+29.6826+130.1000/+29.6800+130.0867/+29.6782+130.0800/+29.6742+130.0600/+29.6713+130.0400/+29.6714+130.0200/+29.6662+130.0000/+29.6635+129.9800/+29.6619+129.9600/+29.6602+129.9400/+29.6600+129.9383/+29.6505+129.9200/+29.6449+129.9000/+29.6422+129.8800/+29.6409+129.8600/+29.6403+129.8400/+29.6400+129.8355/+29.6270+129.8200/+29.6216+129.8000/+29.6204+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.6856/+29.6744+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7480/+29.6919+129.7600/+29.6986+129.7800/+29.6994+129.8000/+29.7000+129.8106/+29.7083+129.8200/+29.7163+129.8400/+29.7183+129.8600/+29.7200+129.8777/+29.7216+129.8800/+29.7325+129.9000/+29.7355+129.9200/+29.7390+129.9400/+29.7400+129.9471/+29.7453+129.9600/+29.7521+129.9800/+29.7569+130.0000/+29.7583+130.0200/+29.7596+130.0400/+29.7600+130.0440/+29.7633+130.0600/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6648+129.7200/+29.6600+129.7347/+29.6564+129.7400/+29.6400+129.7486/+29.6331+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7152/+29.6648+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +29.8017+130.0800/+29.8045+130.1000/+29.8103+130.1200/+29.8116+130.1400/+29.8129+130.1600/+29.8111+130.1800/+29.8062+130.2000/+29.8000+130.2167/+29.7880+130.2000/+29.7800+130.1928/+29.7634+130.1800/+29.7600+130.1782/+29.7507+130.1600/+29.7421+130.1400/+29.7400+130.1338/+29.7359+130.1200/+29.7277+130.1000/+29.7202+130.0800/+29.7200+130.0796/+29.7121+130.0600/+29.7071+130.0400/+29.7025+130.0200/+29.7008+130.0000/+29.7000+129.9943/+29.6938+129.9800/+29.6860+129.9600/+29.6817+129.9400/+29.6800+129.9281/+29.6753+129.9200/+29.6657+129.9000/+29.6623+129.8800/+29.6606+129.8600/+29.6600+129.8552/+29.6481+129.8400/+29.6421+129.8200/+29.6405+129.8000/+29.6400+129.7851/+29.6350+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6208+129.7000/+29.6400+129.6808/+29.6600+129.6843/+29.6757+129.7000/+29.6799+129.7200/+29.6800+129.7330/+29.6870+129.7400/+29.6994+129.7600/+29.6999+129.7800/+29.7000+129.7819/+29.7169+129.8000/+29.7192+129.8200/+29.7200+129.8283/+29.7306+129.8400/+29.7376+129.8600/+29.7398+129.8800/+29.7400+129.8816/+29.7517+129.9000/+29.7560+129.9200/+29.7600+129.9383/+29.7613+129.9400/+29.7703+129.9600/+29.7800+129.9776/+29.7825+129.9800/+29.7880+130.0000/+29.7924+130.0200/+29.7962+130.0400/+29.7988+130.0600/+29.8000+130.0724/+29.8017+130.0800/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6628+129.7200/+29.6600+129.7279/+29.6465+129.7400/+29.6400+129.7422/+29.6379+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7172/+29.6628+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +29.8623+130.1200/+29.8640+130.1400/+29.8680+130.1600/+29.8666+130.1800/+29.8639+130.2000/+29.8600+130.2105/+29.8400+130.2080/+29.8362+130.2000/+29.8200+130.1837/+29.8174+130.1800/+29.8065+130.1600/+29.8000+130.1545/+29.7872+130.1400/+29.7800+130.1265/+29.7774+130.1200/+29.7710+130.1000/+29.7640+130.0800/+29.7600+130.0707/+29.7521+130.0600/+29.7423+130.0400/+29.7400+130.0351/+29.7319+130.0200/+29.7325+130.0000/+29.7246+129.9800/+29.7205+129.9600/+29.7200+129.9586/+29.7058+129.9400/+29.7012+129.9200/+29.7000+129.9151/+29.6879+129.9000/+29.6821+129.8800/+29.6800+129.8669/+29.6737+129.8600/+29.6623+129.8400/+29.6604+129.8200/+29.6600+129.8183/+29.6424+129.8000/+29.6402+129.7800/+29.6400+129.7783/+29.6217+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.6845/+29.6755+129.7000/+29.6799+129.7200/+29.6800+129.7229/+29.6971+129.7400/+29.6998+129.7600/+29.7000+129.7650/+29.7149+129.7800/+29.7194+129.8000/+29.7200+129.8057/+29.7340+129.8200/+29.7390+129.8400/+29.7400+129.8467/+29.7522+129.8600/+29.7579+129.8800/+29.7600+129.8913/+29.7680+129.9000/+29.7773+129.9200/+29.7800+129.9292/+29.7891+129.9400/+29.7955+129.9600/+29.8000+129.9669/+29.8125+129.9800/+29.8165+130.0000/+29.8200+130.0154/+29.8236+130.0200/+29.8352+130.0400/+29.8400+130.0596/+29.8402+130.0600/+29.8523+130.0800/+29.8577+130.1000/+29.8600+130.1096/+29.8623+130.1200/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6636+129.7200/+29.6600+129.7383/+29.6562+129.7400/+29.6400+129.7416/+29.6383+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7164/+29.6636+129.7200/ 北東 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１５時から５日９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　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０６時から０９時まで　北東　　　　　　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。