2026-07-04T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T11:00:00+09:00 2026-07-04T12:00:00+09:00 2026-07-05T06:00:00+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 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +29.8209+130.0800/+29.8239+130.1000/+29.8274+130.1200/+29.8308+130.1400/+29.8340+130.1600/+29.8345+130.1800/+29.8335+130.2000/+29.8311+130.2200/+29.8274+130.2400/+29.8227+130.2600/+29.8200+130.2720/+29.8180+130.2800/+29.8120+130.3000/+29.8000+130.3180/+29.7922+130.3000/+29.7864+130.2800/+29.7803+130.2600/+29.7800+130.2593/+29.7707+130.2400/+29.7600+130.2238/+29.7577+130.2200/+29.7451+130.2000/+29.7400+130.1814/+29.7397+130.1800/+29.7357+130.1600/+29.7311+130.1400/+29.7272+130.1200/+29.7200+130.1048/+29.7176+130.1000/+29.7121+130.0800/+29.7078+130.0600/+29.7046+130.0400/+29.7005+130.0200/+29.7000+130.0121/+29.6980+130.0000/+29.6881+129.9800/+29.6836+129.9600/+29.6812+129.9400/+29.6800+129.9304/+29.6737+129.9200/+29.6648+129.9000/+29.6619+129.8800/+29.6605+129.8600/+29.6600+129.8564/+29.6460+129.8400/+29.6415+129.8200/+29.6404+129.8000/+29.6400+129.7902/+29.6299+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6894/+29.6706+129.7000/+29.6799+129.7200/+29.6800+129.7263/+29.6937+129.7400/+29.6996+129.7600/+29.7000+129.7749/+29.7051+129.7800/+29.7187+129.8000/+29.7199+129.8200/+29.7200+129.8208/+29.7366+129.8400/+29.7393+129.8600/+29.7400+129.8641/+29.7531+129.8800/+29.7578+129.9000/+29.7600+129.9138/+29.7650+129.9200/+29.7743+129.9400/+29.7768+129.9600/+29.7800+129.9673/+29.7931+129.9800/+29.7983+130.0000/+29.8000+130.0075/+29.8043+130.0200/+29.8092+130.0400/+29.8120+130.0600/+29.8200+130.0786/+29.8209+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6596+129.7200/+29.6599+129.7400/+29.6400+129.7557/+29.6281+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6596+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 +29.8018+130.2400/+29.8010+130.2600/+29.8000+130.2653/+29.7898+130.2800/+29.7800+130.2886/+29.7600+130.2986/+29.7424+130.2800/+29.7400+130.2774/+29.7346+130.2600/+29.7293+130.2400/+29.7264+130.2200/+29.7208+130.2000/+29.7200+130.1976/+29.7139+130.1800/+29.7088+130.1600/+29.7016+130.1400/+29.7054+130.1200/+29.7026+130.1000/+29.7000+130.0862/+29.6965+130.0800/+29.6874+130.0600/+29.6821+130.0400/+29.6851+130.0200/+29.6829+130.0000/+29.6810+129.9800/+29.6800+129.9728/+29.6726+129.9600/+29.6659+129.9400/+29.6628+129.9200/+29.6612+129.9000/+29.6600+129.8808/+29.6595+129.8800/+29.6456+129.8600/+29.6417+129.8400/+29.6406+129.8200/+29.6401+129.8000/+29.6400+129.7992/+29.6222+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6907/+29.6693+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7406/+29.6990+129.7600/+29.6997+129.7800/+29.7000+129.7864/+29.7133+129.8000/+29.7185+129.8200/+29.7197+129.8400/+29.7200+129.8426/+29.7341+129.8600/+29.7373+129.8800/+29.7394+129.9000/+29.7400+129.9037/+29.7509+129.9200/+29.7557+129.9400/+29.7586+129.9600/+29.7600+129.9678/+29.7701+129.9800/+29.7759+130.0000/+29.7794+130.0200/+29.7800+130.0239/+29.7841+130.0400/+29.7872+130.0600/+29.7903+130.0800/+29.7932+130.1000/+29.7949+130.1200/+29.7955+130.1400/+29.7963+130.1600/+29.7966+130.1800/+29.7986+130.2000/+29.7998+130.2200/+29.8000+130.2214/+29.8018+130.2400/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6593+129.7200/+29.6586+129.7400/+29.6400+129.7543/+29.6289+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 +29.7678+130.1200/+29.7713+130.1400/+29.7744+130.1600/+29.7756+130.1800/+29.7769+130.2000/+29.7750+130.2200/+29.7723+130.2400/+29.7692+130.2600/+29.7655+130.2800/+29.7601+130.3000/+29.7600+130.3007/+29.7579+130.3000/+29.7400+130.2973/+29.7341+130.2800/+29.7279+130.2600/+29.7201+130.2400/+29.7200+130.2399/+29.7031+130.2200/+29.7000+130.2088/+29.6979+130.2000/+29.6945+130.1800/+29.6919+130.1600/+29.6892+130.1400/+29.6844+130.1200/+29.6806+130.1000/+29.6800+130.0972/+29.6743+130.0800/+29.6695+130.0600/+29.6661+130.0400/+29.6687+130.0200/+29.6654+130.0000/+29.6633+129.9800/+29.6611+129.9600/+29.6600+129.9427/+29.6588+129.9400/+29.6496+129.9200/+29.6443+129.9000/+29.6420+129.8800/+29.6409+129.8600/+29.6403+129.8400/+29.6400+129.8321/+29.6303+129.8200/+29.6221+129.8000/+29.6205+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6600+129.6917/+29.6683+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7534/+29.6866+129.7600/+29.6985+129.7800/+29.6994+129.8000/+29.6999+129.8200/+29.7000+129.8219/+29.7134+129.8400/+29.7171+129.8600/+29.7187+129.8800/+29.7200+129.8962/+29.7227+129.9000/+29.7308+129.9200/+29.7345+129.9400/+29.7380+129.9600/+29.7393+129.9800/+29.7400+129.9862/+29.7454+130.0000/+29.7546+130.0200/+29.7565+130.0400/+29.7575+130.0600/+29.7584+130.0800/+29.7591+130.1000/+29.7600+130.1055/+29.7678+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/+29.6518+129.7400/+29.6400+129.7515/+29.6314+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 +29.7448+130.1200/+29.7442+130.1400/+29.7435+130.1600/+29.7439+130.1800/+29.7444+130.2000/+29.7400+130.2133/+29.7379+130.2200/+29.7309+130.2400/+29.7257+130.2600/+29.7211+130.2800/+29.7200+130.2842/+29.7156+130.3000/+29.7033+130.3200/+29.7000+130.3241/+29.6982+130.3200/+29.6905+130.3000/+29.6867+130.2800/+29.6832+130.2600/+29.6800+130.2448/+29.6791+130.2400/+29.6723+130.2200/+29.6675+130.2000/+29.6652+130.1800/+29.6632+130.1600/+29.6600+130.1497/+29.6576+130.1400/+29.6569+130.1200/+29.6539+130.1000/+29.6517+130.0800/+29.6491+130.0600/+29.6468+130.0400/+29.6502+130.0200/+29.6465+130.0000/+29.6455+129.9800/+29.6434+129.9600/+29.6418+129.9400/+29.6412+129.9200/+29.6404+129.9000/+29.6400+129.8861/+29.6373+129.8800/+29.6305+129.8600/+29.6247+129.8400/+29.6218+129.8200/+29.6207+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+129.6907/+29.6693+129.7000/+29.6798+129.7200/+29.6799+129.7400/+29.6799+129.7600/+29.6800+129.7722/+29.6874+129.7800/+29.6970+129.8000/+29.6986+129.8200/+29.6991+129.8400/+29.6996+129.8600/+29.7000+129.8752/+29.7027+129.8800/+29.7117+129.9000/+29.7154+129.9200/+29.7164+129.9400/+29.7183+129.9600/+29.7187+129.9800/+29.7200+129.9920/+29.7241+130.0000/+29.7343+130.0200/+29.7350+130.0400/+29.7355+130.0600/+29.7363+130.0800/+29.7377+130.1000/+29.7400+130.1075/+29.7448+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/+29.6504+129.7400/+29.6400+129.7507/+29.6317+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 +29.7809+130.1000/+29.7821+130.1200/+29.7809+130.1400/+29.7800+130.1529/+29.7794+130.1600/+29.7784+130.1800/+29.7770+130.2000/+29.7642+130.2200/+29.7600+130.2303/+29.7400+130.2277/+29.7367+130.2200/+29.7303+130.2000/+29.7200+130.1864/+29.7167+130.1800/+29.7091+130.1600/+29.7019+130.1400/+29.7056+130.1200/+29.7025+130.1000/+29.7000+130.0888/+29.6952+130.0800/+29.6871+130.0600/+29.6822+130.0400/+29.6855+130.0200/+29.6836+130.0000/+29.6805+129.9800/+29.6800+129.9768/+29.6713+129.9600/+29.6650+129.9400/+29.6622+129.9200/+29.6605+129.9000/+29.6600+129.8964/+29.6479+129.8800/+29.6423+129.8600/+29.6408+129.8400/+29.6401+129.8200/+29.6400+129.8181/+29.6245+129.8000/+29.6207+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6208+129.7000/+29.6400+129.6808/+29.6600+129.6852/+29.6748+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7598/+29.6801+129.7600/+29.6983+129.7800/+29.6994+129.8000/+29.6999+129.8200/+29.7000+129.8220/+29.7141+129.8400/+29.7178+129.8600/+29.7192+129.8800/+29.7200+129.8913/+29.7258+129.9000/+29.7344+129.9200/+29.7378+129.9400/+29.7391+129.9600/+29.7400+129.9670/+29.7478+129.9800/+29.7534+130.0000/+29.7570+130.0200/+29.7588+130.0400/+29.7600+130.0472/+29.7678+130.0600/+29.7735+130.0800/+29.7800+130.0978/+29.7809+130.1000/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6599+129.7200/+29.6527+129.7400/+29.6400+129.7457/+29.6355+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6599+129.7200/ 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 +29.8065+130.1200/+29.8114+130.1400/+29.8156+130.1600/+29.8163+130.1800/+29.8127+130.2000/+29.8000+130.2187/+29.7802+130.2000/+29.7800+130.1998/+29.7635+130.1800/+29.7600+130.1775/+29.7496+130.1600/+29.7400+130.1430/+29.7387+130.1400/+29.7313+130.1200/+29.7227+130.1000/+29.7200+130.0915/+29.7166+130.0800/+29.7097+130.0600/+29.7050+130.0400/+29.7018+130.0200/+29.7016+130.0000/+29.7000+129.9893/+29.6955+129.9800/+29.6859+129.9600/+29.6821+129.9400/+29.6800+129.9285/+29.6733+129.9200/+29.6646+129.9000/+29.6615+129.8800/+29.6600+129.8644/+29.6564+129.8600/+29.6438+129.8400/+29.6411+129.8200/+29.6403+129.8000/+29.6400+129.7959/+29.6247+129.7800/+29.6203+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6208+129.7000/+29.6400+129.6808/+29.6600+129.6845/+29.6755+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7403/+29.6991+129.7600/+29.6997+129.7800/+29.7000+129.7852/+29.7140+129.8000/+29.7186+129.8200/+29.7198+129.8400/+29.7200+129.8414/+29.7341+129.8600/+29.7378+129.8800/+29.7400+129.9000/+29.7400+129.9002/+29.7519+129.9200/+29.7564+129.9400/+29.7591+129.9600/+29.7600+129.9670/+29.7735+129.9800/+29.7800+129.9952/+29.7817+130.0000/+29.7864+130.0200/+29.7895+130.0400/+29.7946+130.0600/+29.7989+130.0800/+29.8000+130.1000/+29.8000+130.1001/+29.8065+130.1200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6602+129.7200/+29.6600+129.7206/+29.6445+129.7400/+29.6400+129.7420/+29.6383+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7198/+29.6602+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１２時から５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 　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　　　　　 　０５日０３時から０６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。