2026-07-03T14:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T23:00:00+09:00 2026-07-04T00:00:00+09:00 2026-07-04T18:00:00+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 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +29.9045+130.1400/+29.9082+130.1600/+29.9056+130.1800/+29.9019+130.2000/+29.9000+130.2042/+29.8981+130.2000/+29.8904+130.1800/+29.8800+130.1652/+29.8600+130.1605/+29.8597+130.1600/+29.8400+130.1413/+29.8386+130.1400/+29.8238+130.1200/+29.8200+130.1149/+29.8106+130.1000/+29.8000+130.0811/+29.7994+130.0800/+29.7863+130.0600/+29.7800+130.0491/+29.7754+130.0400/+29.7650+130.0200/+29.7600+130.0069/+29.7558+130.0000/+29.7497+129.9800/+29.7427+129.9600/+29.7400+129.9547/+29.7272+129.9400/+29.7220+129.9200/+29.7200+129.9151/+29.7072+129.9000/+29.7007+129.8800/+29.7000+129.8774/+29.6858+129.8600/+29.6807+129.8400/+29.6800+129.8379/+29.6631+129.8200/+29.6603+129.8000/+29.6600+129.7995/+29.6409+129.7800/+29.6400+129.7678/+29.6322+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6207+129.7000/+29.6400+129.6807/+29.6600+129.6830/+29.6770+129.7000/+29.6800+129.7200/+29.6800+129.7205/+29.6995+129.7400/+29.7000+129.7475/+29.7125+129.7600/+29.7195+129.7800/+29.7200+129.7824/+29.7373+129.8000/+29.7400+129.8159/+29.7440+129.8200/+29.7585+129.8400/+29.7600+129.8451/+29.7737+129.8600/+29.7793+129.8800/+29.7800+129.8821/+29.7948+129.9000/+29.8000+129.9185/+29.8013+129.9200/+29.8150+129.9400/+29.8200+129.9501/+29.8326+129.9600/+29.8400+129.9719/+29.8449+129.9800/+29.8537+130.0000/+29.8600+130.0200/+29.8702+130.0400/+29.8770+130.0600/+29.8800+130.0684/+29.8873+130.0800/+29.8912+130.1000/+29.8956+130.1200/+29.9000+130.1315/+29.9045+130.1400/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6666+129.7200/+29.6600+129.7374/+29.6400+129.7397/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7134/+29.6666+129.7200/ 北東 2 鹿児島県十島村 4630400 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +29.9606+130.2000/+29.9600+130.2015/+29.9400+130.2062/+29.9340+130.2000/+29.9200+130.1849/+29.9000+130.1816/+29.8984+130.1800/+29.8810+130.1600/+29.8800+130.1593/+29.8600+130.1410/+29.8591+130.1400/+29.8426+130.1200/+29.8400+130.1177/+29.8232+130.1000/+29.8200+130.0949/+29.8122+130.0800/+29.8000+130.0610/+29.7993+130.0600/+29.7876+130.0400/+29.7800+130.0303/+29.7729+130.0200/+29.7623+130.0000/+29.7600+129.9932/+29.7540+129.9800/+29.7441+129.9600/+29.7400+129.9494/+29.7327+129.9400/+29.7226+129.9200/+29.7200+129.9143/+29.7081+129.9000/+29.7011+129.8800/+29.7000+129.8774/+29.6852+129.8600/+29.6807+129.8400/+29.6800+129.8384/+29.6628+129.8200/+29.6601+129.8000/+29.6600+129.7997/+29.6409+129.7800/+29.6400+129.7700/+29.6300+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6810/+29.6600+129.6842/+29.6758+129.7000/+29.6800+129.7200/+29.6800+129.7203/+29.6997+129.7400/+29.7000+129.7429/+29.7171+129.7600/+29.7199+129.7800/+29.7200+129.7802/+29.7390+129.8000/+29.7400+129.8041/+29.7555+129.8200/+29.7600+129.8346/+29.7653+129.8400/+29.7786+129.8600/+29.7800+129.8636/+29.7949+129.8800/+29.8000+129.8948/+29.8049+129.9000/+29.8172+129.9200/+29.8200+129.9271/+29.8380+129.9400/+29.8400+129.9426/+29.8507+129.9600/+29.8588+129.9800/+29.8600+129.9821/+29.8725+130.0000/+29.8800+130.0164/+29.8849+130.0200/+29.9000+130.0375/+29.9012+130.0400/+29.9095+130.0600/+29.9183+130.0800/+29.9200+130.0857/+29.9266+130.1000/+29.9318+130.1200/+29.9385+130.1400/+29.9400+130.1457/+29.9450+130.1600/+29.9480+130.1800/+29.9600+130.1982/+29.9606+130.2000/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6695+129.7200/+29.6661+129.7400/+29.6600+129.7474/+29.6400+129.7486/+29.6314+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7105/+29.6695+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +29.9014+130.2600/+29.9019+130.2800/+29.9024+130.3000/+29.9000+130.3080/+29.8963+130.3000/+29.8944+130.2800/+29.8800+130.2623/+29.8639+130.2600/+29.8600+130.2598/+29.8400+130.2444/+29.8375+130.2400/+29.8259+130.2200/+29.8200+130.2070/+29.8172+130.2000/+29.8082+130.1800/+29.8014+130.1600/+29.8000+130.1579/+29.7857+130.1400/+29.7800+130.1268/+29.7779+130.1200/+29.7708+130.1000/+29.7649+130.0800/+29.7600+130.0658/+29.7547+130.0600/+29.7426+130.0400/+29.7400+130.0356/+29.7309+130.0200/+29.7342+130.0000/+29.7249+129.9800/+29.7208+129.9600/+29.7200+129.9571/+29.7067+129.9400/+29.7015+129.9200/+29.7000+129.9116/+29.6901+129.9000/+29.6821+129.8800/+29.6800+129.8600/+29.6800+129.8599/+29.6622+129.8400/+29.6603+129.8200/+29.6600+129.8181/+29.6423+129.8000/+29.6402+129.7800/+29.6400+129.7780/+29.6220+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6876/+29.6724+129.7000/+29.6799+129.7200/+29.6800+129.7213/+29.6987+129.7400/+29.6999+129.7600/+29.7000+129.7619/+29.7179+129.7800/+29.7198+129.8000/+29.7200+129.8013/+29.7376+129.8200/+29.7398+129.8400/+29.7400+129.8410/+29.7562+129.8600/+29.7596+129.8800/+29.7600+129.8815/+29.7749+129.9000/+29.7795+129.9200/+29.7800+129.9215/+29.7933+129.9400/+29.7979+129.9600/+29.8000+129.9645/+29.8136+129.9800/+29.8194+130.0000/+29.8200+130.0023/+29.8328+130.0200/+29.8400+130.0400/+29.8497+130.0600/+29.8584+130.0800/+29.8600+130.0860/+29.8634+130.1000/+29.8677+130.1200/+29.8726+130.1400/+29.8800+130.1562/+29.8824+130.1600/+29.8852+130.1800/+29.8889+130.2000/+29.8899+130.2200/+29.8937+130.2400/+29.9000+130.2528/+29.9014+130.2600/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6671+129.7200/+29.6652+129.7400/+29.6600+129.7478/+29.6400+129.7515/+29.6285+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7129/+29.6671+129.7200/ 北東 3 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 +29.8223+130.1000/+29.8254+130.1200/+29.8270+130.1400/+29.8288+130.1600/+29.8326+130.1800/+29.8338+130.2000/+29.8329+130.2200/+29.8315+130.2400/+29.8292+130.2600/+29.8256+130.2800/+29.8200+130.2991/+29.8197+130.3000/+29.8051+130.3200/+29.8000+130.3237/+29.7987+130.3200/+29.7922+130.3000/+29.7870+130.2800/+29.7822+130.2600/+29.7800+130.2536/+29.7755+130.2400/+29.7669+130.2200/+29.7600+130.2112/+29.7537+130.2000/+29.7445+130.1800/+29.7400+130.1658/+29.7385+130.1600/+29.7321+130.1400/+29.7276+130.1200/+29.7204+130.1000/+29.7200+130.0981/+29.7156+130.0800/+29.7101+130.0600/+29.7063+130.0400/+29.7020+130.0200/+29.7008+130.0000/+29.7000+129.9962/+29.6911+129.9800/+29.6854+129.9600/+29.6827+129.9400/+29.6800+129.9219/+29.6786+129.9200/+29.6668+129.9000/+29.6627+129.8800/+29.6608+129.8600/+29.6600+129.8530/+29.6485+129.8400/+29.6417+129.8200/+29.6404+129.8000/+29.6400+129.7867/+29.6334+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6219+129.7000/+29.6400+129.6819/+29.6600+129.6898/+29.6702+129.7000/+29.6799+129.7200/+29.6800+129.7274/+29.6926+129.7400/+29.6996+129.7600/+29.7000+129.7800/+29.7000+129.7802/+29.7185+129.8000/+29.7197+129.8200/+29.7200+129.8221/+29.7360+129.8400/+29.7387+129.8600/+29.7400+129.8723/+29.7470+129.8800/+29.7568+129.9000/+29.7592+129.9200/+29.7600+129.9243/+29.7716+129.9400/+29.7773+129.9600/+29.7800+129.9666/+29.7932+129.9800/+29.7980+130.0000/+29.8000+130.0101/+29.8033+130.0200/+29.8079+130.0400/+29.8105+130.0600/+29.8193+130.0800/+29.8200+130.0846/+29.8223+130.1000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6610+129.7400/+29.6600+129.7420/+29.6400+129.7553/+29.6285+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6597+129.7200/+29.6600+129.7366/+29.6610+129.7400/ 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 +29.8006+130.1200/+29.8056+130.1400/+29.8098+130.1600/+29.8087+130.1800/+29.8107+130.2000/+29.8105+130.2200/+29.8102+130.2400/+29.8090+130.2600/+29.8065+130.2800/+29.8034+130.3000/+29.8000+130.3136/+29.7800+130.3032/+29.7714+130.3000/+29.7600+130.2973/+29.7468+130.2800/+29.7400+130.2706/+29.7367+130.2600/+29.7303+130.2400/+29.7275+130.2200/+29.7217+130.2000/+29.7200+130.1940/+29.7152+130.1800/+29.7099+130.1600/+29.7036+130.1400/+29.7067+130.1200/+29.7041+130.1000/+29.7000+130.0819/+29.6989+130.0800/+29.6875+130.0600/+29.6812+130.0400/+29.6841+130.0200/+29.6815+130.0000/+29.6800+129.9887/+29.6757+129.9800/+29.6678+129.9600/+29.6647+129.9400/+29.6619+129.9200/+29.6600+129.9000/+29.6600+129.8998/+29.6485+129.8800/+29.6434+129.8600/+29.6412+129.8400/+29.6404+129.8200/+29.6400+129.8090/+29.6317+129.8000/+29.6215+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6221+129.7000/+29.6400+129.6821/+29.6600+129.6923/+29.6677+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7409/+29.6989+129.7600/+29.6997+129.7800/+29.7000+129.7899/+29.7100+129.8000/+29.7182+129.8200/+29.7194+129.8400/+29.7200+129.8462/+29.7319+129.8600/+29.7370+129.8800/+29.7390+129.9000/+29.7400+129.9065/+29.7497+129.9200/+29.7553+129.9400/+29.7583+129.9600/+29.7600+129.9685/+29.7720+129.9800/+29.7776+130.0000/+29.7800+130.0168/+29.7807+130.0200/+29.7854+130.0400/+29.7906+130.0600/+29.7942+130.0800/+29.7966+130.1000/+29.8000+130.1185/+29.8006+130.1200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6592+129.7200/+29.6595+129.7400/+29.6400+129.7558/+29.6276+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6592+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 +29.7427+129.9800/+29.7485+130.0000/+29.7532+130.0200/+29.7542+130.0400/+29.7559+130.0600/+29.7573+130.0800/+29.7578+130.1000/+29.7585+130.1200/+29.7572+130.1400/+29.7554+130.1600/+29.7535+130.1800/+29.7513+130.2000/+29.7506+130.2200/+29.7482+130.2400/+29.7452+130.2600/+29.7415+130.2800/+29.7400+130.2870/+29.7329+130.3000/+29.7200+130.3109/+29.7026+130.3200/+29.7000+130.3210/+29.6996+130.3200/+29.6932+130.3000/+29.6891+130.2800/+29.6855+130.2600/+29.6818+130.2400/+29.6800+130.2304/+29.6780+130.2200/+29.6759+130.2000/+29.6707+130.1800/+29.6667+130.1600/+29.6637+130.1400/+29.6661+130.1200/+29.6647+130.1000/+29.6617+130.0800/+29.6600+130.0698/+29.6580+130.0600/+29.6541+130.0400/+29.6600+130.0283/+29.6613+130.0200/+29.6600+130.0000/+29.6600+129.9996/+29.6532+129.9800/+29.6497+129.9600/+29.6463+129.9400/+29.6439+129.9200/+29.6422+129.9000/+29.6413+129.8800/+29.6405+129.8600/+29.6400+129.8438/+29.6376+129.8400/+29.6259+129.8200/+29.6219+129.8000/+29.6205+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6219+129.7000/+29.6400+129.6818/+29.6600+129.6935/+29.6665+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7450/+29.6950+129.7600/+29.6992+129.7800/+29.6996+129.8000/+29.7000+129.8099/+29.7094+129.8200/+29.7167+129.8400/+29.7182+129.8600/+29.7195+129.8800/+29.7200+129.8865/+29.7282+129.9000/+29.7343+129.9200/+29.7359+129.9400/+29.7383+129.9600/+29.7400+129.9734/+29.7427+129.9800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6526+129.7400/+29.6400+129.7537/+29.6296+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に降灰が予想されます。 　４日０時から４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 　０４日００時から０３時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　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　　　　　 　 　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。