2026-07-03T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T05:00:00+09:00 2026-07-04T06:00:00+09:00 2026-07-05T00:00:00+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 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +29.8651+130.1200/+29.8682+130.1400/+29.8767+130.1600/+29.8780+130.1800/+29.8796+130.2000/+29.8786+130.2200/+29.8766+130.2400/+29.8669+130.2600/+29.8600+130.2649/+29.8541+130.2600/+29.8400+130.2506/+29.8350+130.2400/+29.8253+130.2200/+29.8200+130.2085/+29.8162+130.2000/+29.8001+130.1800/+29.8000+130.1799/+29.7869+130.1600/+29.7800+130.1482/+29.7766+130.1400/+29.7709+130.1200/+29.7676+130.1000/+29.7603+130.0800/+29.7600+130.0793/+29.7455+130.0600/+29.7400+130.0453/+29.7377+130.0400/+29.7267+130.0200/+29.7271+130.0000/+29.7223+129.9800/+29.7200+129.9704/+29.7124+129.9600/+29.7031+129.9400/+29.7002+129.9200/+29.7000+129.9191/+29.6851+129.9000/+29.6812+129.8800/+29.6800+129.8719/+29.6692+129.8600/+29.6615+129.8400/+29.6601+129.8200/+29.6600+129.8195/+29.6415+129.8000/+29.6402+129.7800/+29.6400+129.7787/+29.6214+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6600+129.6875/+29.6725+129.7000/+29.6799+129.7200/+29.6800+129.7218/+29.6982+129.7400/+29.6998+129.7600/+29.7000+129.7628/+29.7170+129.7800/+29.7196+129.8000/+29.7200+129.8028/+29.7361+129.8200/+29.7395+129.8400/+29.7400+129.8428/+29.7546+129.8600/+29.7589+129.8800/+29.7600+129.8854/+29.7713+129.9000/+29.7775+129.9200/+29.7800+129.9326/+29.7848+129.9400/+29.7939+129.9600/+29.8000+129.9700/+29.8087+129.9800/+29.8158+130.0000/+29.8197+130.0200/+29.8200+130.0214/+29.8302+130.0400/+29.8386+130.0600/+29.8400+130.0646/+29.8511+130.0800/+29.8598+130.1000/+29.8600+130.1008/+29.8651+130.1200/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6640+129.7400/+29.6600+129.7460/+29.6400+129.7504/+29.6296+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7200/+29.6600+129.7228/+29.6640+129.7400/ 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 +29.8229+130.1000/+29.8265+130.1200/+29.8283+130.1400/+29.8303+130.1600/+29.8343+130.1800/+29.8356+130.2000/+29.8345+130.2200/+29.8326+130.2400/+29.8289+130.2600/+29.8205+130.2800/+29.8200+130.2807/+29.8000+130.2968/+29.7909+130.2800/+29.7823+130.2600/+29.7800+130.2547/+29.7742+130.2400/+29.7655+130.2200/+29.7600+130.2110/+29.7542+130.2000/+29.7461+130.1800/+29.7408+130.1600/+29.7400+130.1576/+29.7351+130.1400/+29.7312+130.1200/+29.7269+130.1000/+29.7200+130.0813/+29.7194+130.0800/+29.7117+130.0600/+29.7074+130.0400/+29.7040+130.0200/+29.7038+130.0000/+29.7011+129.9800/+29.7000+129.9753/+29.6895+129.9600/+29.6838+129.9400/+29.6813+129.9200/+29.6800+129.9102/+29.6723+129.9000/+29.6636+129.8800/+29.6612+129.8600/+29.6600+129.8428/+29.6574+129.8400/+29.6422+129.8200/+29.6405+129.8000/+29.6400+129.7800/+29.6400+129.7799/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6888/+29.6712+129.7000/+29.6799+129.7200/+29.6800+129.7284/+29.6916+129.7400/+29.6996+129.7600/+29.7000+129.7800/+29.7000+129.7803/+29.7185+129.8000/+29.7197+129.8200/+29.7200+129.8228/+29.7356+129.8400/+29.7387+129.8600/+29.7400+129.8710/+29.7481+129.8800/+29.7557+129.9000/+29.7595+129.9200/+29.7600+129.9228/+29.7711+129.9400/+29.7762+129.9600/+29.7800+129.9688/+29.7914+129.9800/+29.7961+130.0000/+29.7998+130.0200/+29.8000+130.0211/+29.8057+130.0400/+29.8095+130.0600/+29.8190+130.0800/+29.8200+130.0854/+29.8229+130.1000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6619+129.7400/+29.6600+129.7433/+29.6400+129.7543/+29.6289+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/+29.6600+129.7366/+29.6619+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 +29.8028+130.0600/+29.8072+130.0800/+29.8073+130.1000/+29.8087+130.1200/+29.8095+130.1400/+29.8105+130.1600/+29.8131+130.1800/+29.8174+130.2000/+29.8175+130.2200/+29.8176+130.2400/+29.8160+130.2600/+29.8118+130.2800/+29.8058+130.3000/+29.8000+130.3173/+29.7933+130.3000/+29.7800+130.2808/+29.7793+130.2800/+29.7600+130.2629/+29.7577+130.2600/+29.7448+130.2400/+29.7400+130.2311/+29.7379+130.2200/+29.7361+130.2000/+29.7321+130.1800/+29.7283+130.1600/+29.7201+130.1400/+29.7200+130.1398/+29.7140+130.1200/+29.7085+130.1000/+29.7040+130.0800/+29.7000+130.0600/+29.6906+130.0400/+29.6879+130.0200/+29.6853+130.0000/+29.6817+129.9800/+29.6800+129.9633/+29.6786+129.9600/+29.6686+129.9400/+29.6639+129.9200/+29.6617+129.9000/+29.6600+129.8800/+29.6600+129.8799/+29.6466+129.8600/+29.6421+129.8400/+29.6407+129.8200/+29.6401+129.8000/+29.6400+129.7990/+29.6226+129.7800/+29.6203+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6905/+29.6695+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7401/+29.6993+129.7600/+29.6998+129.7800/+29.7000+129.7829/+29.7165+129.8000/+29.7192+129.8200/+29.7200+129.8304/+29.7287+129.8400/+29.7370+129.8600/+29.7394+129.8800/+29.7400+129.8841/+29.7519+129.9000/+29.7571+129.9200/+29.7600+129.9400/+29.7600+129.9402/+29.7726+129.9600/+29.7800+129.9758/+29.7843+129.9800/+29.7888+130.0000/+29.7935+130.0200/+29.7989+130.0400/+29.8000+130.0468/+29.8028+130.0600/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6592+129.7200/+29.6591+129.7400/+29.6400+129.7558/+29.6279+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 +29.7645+130.2200/+29.7628+130.2400/+29.7601+130.2600/+29.7600+130.2607/+29.7524+130.2800/+29.7436+130.3000/+29.7400+130.3133/+29.7200+130.3016/+29.7172+130.3000/+29.7000+130.2939/+29.6974+130.2800/+29.6942+130.2600/+29.6890+130.2400/+29.6893+130.2200/+29.6853+130.2000/+29.6810+130.1800/+29.6800+130.1751/+29.6759+130.1600/+29.6691+130.1400/+29.6696+130.1200/+29.6657+130.1000/+29.6636+130.0800/+29.6613+130.0600/+29.6600+130.0494/+29.6583+130.0400/+29.6600+130.0375/+29.6635+130.0200/+29.6613+130.0000/+29.6600+129.9826/+29.6590+129.9800/+29.6531+129.9600/+29.6489+129.9400/+29.6448+129.9200/+29.6427+129.9000/+29.6417+129.8800/+29.6409+129.8600/+29.6402+129.8400/+29.6400+129.8360/+29.6278+129.8200/+29.6221+129.8000/+29.6205+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6925/+29.6675+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7465/+29.6935+129.7600/+29.6991+129.7800/+29.6996+129.8000/+29.7000+129.8129/+29.7067+129.8200/+29.7162+129.8400/+29.7179+129.8600/+29.7192+129.8800/+29.7200+129.8884/+29.7281+129.9000/+29.7329+129.9200/+29.7364+129.9400/+29.7388+129.9600/+29.7400+129.9687/+29.7451+129.9800/+29.7498+130.0000/+29.7541+130.0200/+29.7554+130.0400/+29.7549+130.0600/+29.7551+130.0800/+29.7564+130.1000/+29.7590+130.1200/+29.7588+130.1400/+29.7586+130.1600/+29.7591+130.1800/+29.7597+130.2000/+29.7600+130.2019/+29.7645+130.2200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6535+129.7400/+29.6400+129.7553/+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 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +29.7608+130.2200/+29.7600+130.2279/+29.7570+130.2400/+29.7496+130.2600/+29.7400+130.2782/+29.7267+130.2600/+29.7200+130.2543/+29.7000+130.2430/+29.6988+130.2400/+29.6960+130.2200/+29.6914+130.2000/+29.6866+130.1800/+29.6825+130.1600/+29.6800+130.1527/+29.6737+130.1400/+29.6716+130.1200/+29.6684+130.1000/+29.6657+130.0800/+29.6630+130.0600/+29.6607+130.0400/+29.6634+130.0200/+29.6619+130.0000/+29.6606+129.9800/+29.6600+129.9736/+29.6537+129.9600/+29.6473+129.9400/+29.6443+129.9200/+29.6424+129.9000/+29.6412+129.8800/+29.6405+129.8600/+29.6400+129.8407/+29.6395+129.8400/+29.6250+129.8200/+29.6213+129.8000/+29.6203+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6915/+29.6685+129.7000/+29.6798+129.7200/+29.6799+129.7400/+29.6800+129.7600/+29.6800+129.7625/+29.6963+129.7800/+29.6989+129.8000/+29.6994+129.8200/+29.6999+129.8400/+29.7000+129.8419/+29.7111+129.8600/+29.7160+129.8800/+29.7178+129.9000/+29.7197+129.9200/+29.7200+129.9264/+29.7241+129.9400/+29.7304+129.9600/+29.7338+129.9800/+29.7350+130.0000/+29.7400+130.0117/+29.7469+130.0200/+29.7496+130.0400/+29.7517+130.0600/+29.7539+130.0800/+29.7563+130.1000/+29.7582+130.1200/+29.7575+130.1400/+29.7566+130.1600/+29.7563+130.1800/+29.7558+130.2000/+29.7600+130.2177/+29.7608+130.2200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6504+129.7400/+29.6400+129.7512/+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 +29.7285+130.0200/+29.7297+130.0400/+29.7299+130.0600/+29.7302+130.0800/+29.7306+130.1000/+29.7368+130.1200/+29.7374+130.1400/+29.7379+130.1600/+29.7374+130.1800/+29.7368+130.2000/+29.7325+130.2200/+29.7260+130.2400/+29.7222+130.2600/+29.7200+130.2724/+29.7185+130.2800/+29.7135+130.3000/+29.7038+130.3200/+29.7000+130.3264/+29.6968+130.3200/+29.6887+130.3000/+29.6836+130.2800/+29.6800+130.2631/+29.6794+130.2600/+29.6745+130.2400/+29.6636+130.2200/+29.6600+130.2004/+29.6599+130.2000/+29.6569+130.1800/+29.6547+130.1600/+29.6517+130.1400/+29.6511+130.1200/+29.6494+130.1000/+29.6472+130.0800/+29.6455+130.0600/+29.6442+130.0400/+29.6462+130.0200/+29.6444+130.0000/+29.6430+129.9800/+29.6419+129.9600/+29.6412+129.9400/+29.6407+129.9200/+29.6400+129.9000/+29.6400+129.8988/+29.6308+129.8800/+29.6254+129.8600/+29.6225+129.8400/+29.6210+129.8200/+29.6204+129.8000/+29.6202+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6908/+29.6692+129.7000/+29.6798+129.7200/+29.6799+129.7400/+29.6799+129.7600/+29.6799+129.7800/+29.6800+129.7915/+29.6876+129.8000/+29.6954+129.8200/+29.6978+129.8400/+29.6984+129.8600/+29.6988+129.8800/+29.6993+129.9000/+29.6994+129.9200/+29.7000+129.9307/+29.7053+129.9400/+29.7098+129.9600/+29.7143+129.9800/+29.7148+130.0000/+29.7200+130.0113/+29.7285+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/+29.6468+129.7400/+29.6400+129.7476/+29.6343+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６時から４日２４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　　　　　 　０４日１８時から２１時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４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。