2026-07-03T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T17:00:00+09:00 2026-07-03T18:00:00+09:00 2026-07-04T12:00:00+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、３日２１時から２４時までは火口から北東方向、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 2026-07-03T18:00:00+09:00 2026-07-03T21:00:00+09:00 降灰 70 +29.7831+130.1000/+29.7836+130.1200/+29.7817+130.1400/+29.7800+130.1545/+29.7792+130.1600/+29.7768+130.1800/+29.7729+130.2000/+29.7600+130.2174/+29.7400+130.2000/+29.7206+130.1800/+29.7200+130.1795/+29.7111+130.1600/+29.7029+130.1400/+29.7027+130.1200/+29.7004+130.1000/+29.7000+130.0991/+29.6888+130.0800/+29.6828+130.0600/+29.6800+130.0461/+29.6783+130.0400/+29.6800+130.0356/+29.6822+130.0200/+29.6803+130.0000/+29.6800+129.9988/+29.6712+129.9800/+29.6664+129.9600/+29.6641+129.9400/+29.6614+129.9200/+29.6600+129.9087/+29.6548+129.9000/+29.6505+129.8800/+29.6438+129.8600/+29.6414+129.8400/+29.6404+129.8200/+29.6400+129.8094/+29.6332+129.8000/+29.6218+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.6864/+29.6736+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7408/+29.6987+129.7600/+29.6996+129.7800/+29.7000+129.7901/+29.7095+129.8000/+29.7176+129.8200/+29.7194+129.8400/+29.7200+129.8464/+29.7301+129.8600/+29.7363+129.8800/+29.7386+129.9000/+29.7400+129.9193/+29.7403+129.9200/+29.7489+129.9400/+29.7546+129.9600/+29.7573+129.9800/+29.7600+129.9939/+29.7649+130.0000/+29.7719+130.0200/+29.7763+130.0400/+29.7768+130.0600/+29.7778+130.0800/+29.7800+130.0894/+29.7831+130.1000/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6591+129.7200/+29.6400+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6591+129.7200/ 東 1 鹿児島県十島村 4630400 2026-07-03T21:00:00+09:00 2026-07-04T00:00:00+09:00 降灰 70 +29.8416+130.0400/+29.8469+130.0600/+29.8531+130.0800/+29.8542+130.1000/+29.8555+130.1200/+29.8568+130.1400/+29.8586+130.1600/+29.8400+130.1772/+29.8200+130.1607/+29.8197+130.1600/+29.8000+130.1408/+29.7993+130.1400/+29.7868+130.1200/+29.7800+130.1094/+29.7759+130.1000/+29.7666+130.0800/+29.7600+130.0671/+29.7549+130.0600/+29.7440+130.0400/+29.7400+130.0305/+29.7346+130.0200/+29.7311+130.0000/+29.7246+129.9800/+29.7200+129.9656/+29.7162+129.9600/+29.7059+129.9400/+29.7008+129.9200/+29.7000+129.9173/+29.6888+129.9000/+29.6815+129.8800/+29.6800+129.8718/+29.6713+129.8600/+29.6628+129.8400/+29.6602+129.8200/+29.6600+129.8192/+29.6427+129.8000/+29.6403+129.7800/+29.6400+129.7782/+29.6219+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6207+129.7000/+29.6400+129.6807/+29.6600+129.6834/+29.6766+129.7000/+29.6799+129.7200/+29.6800+129.7210/+29.6990+129.7400/+29.6999+129.7600/+29.7000+129.7608/+29.7186+129.7800/+29.7200+129.7934/+29.7265+129.8000/+29.7384+129.8200/+29.7400+129.8302/+29.7494+129.8400/+29.7581+129.8600/+29.7600+129.8694/+29.7691+129.8800/+29.7774+129.9000/+29.7800+129.9131/+29.7850+129.9200/+29.7959+129.9400/+29.8000+129.9518/+29.8067+129.9600/+29.8162+129.9800/+29.8200+129.9922/+29.8267+130.0000/+29.8355+130.0200/+29.8400+130.0361/+29.8416+130.0400/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6610+129.7200/+29.6600+129.7244/+29.6400+129.7398/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7189/+29.6610+129.7200/ 北東 2 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 +29.9038+130.1200/+29.9086+130.1400/+29.9114+130.1600/+29.9091+130.1800/+29.9054+130.2000/+29.9000+130.2095/+29.8937+130.2000/+29.8800+130.1827/+29.8765+130.1800/+29.8600+130.1739/+29.8480+130.1600/+29.8400+130.1510/+29.8328+130.1400/+29.8233+130.1200/+29.8200+130.1148/+29.8111+130.1000/+29.8004+130.0800/+29.8000+130.0796/+29.7860+130.0600/+29.7800+130.0509/+29.7740+130.0400/+29.7665+130.0200/+29.7600+130.0042/+29.7573+130.0000/+29.7494+129.9800/+29.7417+129.9600/+29.7400+129.9563/+29.7274+129.9400/+29.7210+129.9200/+29.7200+129.9170/+29.7074+129.9000/+29.7016+129.8800/+29.7000+129.8753/+29.6860+129.8600/+29.6809+129.8400/+29.6800+129.8373/+29.6634+129.8200/+29.6603+129.8000/+29.6600+129.7993/+29.6410+129.7800/+29.6400+129.7654/+29.6346+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+129.7204/+29.6996+129.7400/+29.7000+129.7453/+29.7147+129.7600/+29.7197+129.7800/+29.7200+129.7811/+29.7382+129.8000/+29.7400+129.8091/+29.7508+129.8200/+29.7593+129.8400/+29.7600+129.8424/+29.7760+129.8600/+29.7800+129.8760/+29.7834+129.8800/+29.7962+129.9000/+29.8000+129.9117/+29.8077+129.9200/+29.8175+129.9400/+29.8200+129.9468/+29.8353+129.9600/+29.8400+129.9722/+29.8437+129.9800/+29.8543+130.0000/+29.8600+130.0135/+29.8638+130.0200/+29.8740+130.0400/+29.8783+130.0600/+29.8800+130.0655/+29.8875+130.0800/+29.8956+130.1000/+29.9000+130.1120/+29.9038+130.1200/ 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/+29.6600+129.7380/+29.6400+129.7398/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7105/+29.6695+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 +29.9406+130.1800/+29.9522+130.2000/+29.9532+130.2200/+29.9561+130.2400/+29.9400+130.2554/+29.9281+130.2400/+29.9200+130.2346/+29.9000+130.2293/+29.8920+130.2200/+29.8800+130.2000/+29.8694+130.1800/+29.8600+130.1687/+29.8559+130.1600/+29.8456+130.1400/+29.8400+130.1311/+29.8314+130.1200/+29.8200+130.1093/+29.8139+130.1000/+29.8045+130.0800/+29.8000+130.0729/+29.7914+130.0600/+29.7824+130.0400/+29.7800+130.0368/+29.7687+130.0200/+29.7619+130.0000/+29.7605+129.9800/+29.7600+129.9791/+29.7450+129.9600/+29.7400+129.9432/+29.7370+129.9400/+29.7229+129.9200/+29.7200+129.9043/+29.7161+129.9000/+29.7018+129.8800/+29.7000+129.8719/+29.6887+129.8600/+29.6809+129.8400/+29.6800+129.8369/+29.6635+129.8200/+29.6603+129.8000/+29.6600+129.7993/+29.6408+129.7800/+29.6400+129.7649/+29.6351+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6849/+29.6751+129.7000/+29.6799+129.7200/+29.6800+129.7205/+29.6995+129.7400/+29.7000+129.7504/+29.7096+129.7600/+29.7195+129.7800/+29.7200+129.7831/+29.7367+129.8000/+29.7398+129.8200/+29.7400+129.8208/+29.7579+129.8400/+29.7600+129.8500/+29.7694+129.8600/+29.7783+129.8800/+29.7800+129.8865/+29.7925+129.9000/+29.7992+129.9200/+29.8000+129.9229/+29.8140+129.9400/+29.8200+129.9509/+29.8333+129.9600/+29.8400+129.9711/+29.8452+129.9800/+29.8564+130.0000/+29.8600+130.0081/+29.8672+130.0200/+29.8766+130.0400/+29.8800+130.0501/+29.8900+130.0600/+29.9000+130.0776/+29.9009+130.0800/+29.9078+130.1000/+29.9200+130.1184/+29.9216+130.1200/+29.9296+130.1400/+29.9346+130.1600/+29.9400+130.1787/+29.9406+130.1800/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6703+129.7200/+29.6668+129.7400/+29.6600+129.7483/+29.6400+129.7449/+29.6351+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7097/+29.6703+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 +29.8605+130.1200/+29.8630+130.1400/+29.8686+130.1600/+29.8712+130.1800/+29.8731+130.2000/+29.8742+130.2200/+29.8758+130.2400/+29.8741+130.2600/+29.8636+130.2800/+29.8600+130.2838/+29.8510+130.2800/+29.8400+130.2762/+29.8302+130.2600/+29.8200+130.2406/+29.8196+130.2400/+29.8043+130.2200/+29.8000+130.2161/+29.7926+130.2000/+29.7809+130.1800/+29.7800+130.1778/+29.7741+130.1600/+29.7686+130.1400/+29.7635+130.1200/+29.7600+130.1123/+29.7532+130.1000/+29.7434+130.0800/+29.7400+130.0725/+29.7335+130.0600/+29.7258+130.0400/+29.7200+130.0275/+29.7158+130.0200/+29.7190+130.0000/+29.7079+129.9800/+29.7024+129.9600/+29.7000+129.9489/+29.6938+129.9400/+29.6852+129.9200/+29.6810+129.9000/+29.6800+129.8952/+29.6684+129.8800/+29.6626+129.8600/+29.6605+129.8400/+29.6600+129.8370/+29.6449+129.8200/+29.6408+129.8000/+29.6401+129.7800/+29.6400+129.7795/+29.6209+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6888/+29.6712+129.7000/+29.6799+129.7200/+29.6800+129.7229/+29.6971+129.7400/+29.6998+129.7600/+29.7000+129.7653/+29.7146+129.7800/+29.7193+129.8000/+29.7200+129.8081/+29.7317+129.8200/+29.7385+129.8400/+29.7400+129.8534/+29.7461+129.8600/+29.7569+129.8800/+29.7599+129.9000/+29.7600+129.9003/+29.7745+129.9200/+29.7795+129.9400/+29.7800+129.9421/+29.7916+129.9600/+29.8000+129.9730/+29.8067+129.9800/+29.8123+130.0000/+29.8167+130.0200/+29.8200+130.0340/+29.8244+130.0400/+29.8349+130.0600/+29.8400+130.0746/+29.8441+130.0800/+29.8541+130.1000/+29.8600+130.1181/+29.8605+130.1200/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6652+129.7200/+29.6658+129.7400/+29.6600+129.7485/+29.6400+129.7539/+29.6288+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7148/+29.6652+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 +29.8000+130.0800/+29.8032+130.1000/+29.8082+130.1200/+29.8081+130.1400/+29.8080+130.1600/+29.8116+130.1800/+29.8174+130.2000/+29.8184+130.2200/+29.8194+130.2400/+29.8190+130.2600/+29.8170+130.2800/+29.8145+130.3000/+29.8112+130.3200/+29.8064+130.3400/+29.8000+130.3543/+29.7951+130.3400/+29.7895+130.3200/+29.7840+130.3000/+29.7800+130.2894/+29.7758+130.2800/+29.7645+130.2600/+29.7600+130.2547/+29.7504+130.2400/+29.7400+130.2265/+29.7383+130.2200/+29.7352+130.2000/+29.7309+130.1800/+29.7271+130.1600/+29.7205+130.1400/+29.7200+130.1386/+29.7149+130.1200/+29.7094+130.1000/+29.7059+130.0800/+29.7024+130.0600/+29.7000+130.0473/+29.6952+130.0400/+29.6897+130.0200/+29.6880+130.0000/+29.6832+129.9800/+29.6810+129.9600/+29.6800+129.9509/+29.6734+129.9400/+29.6654+129.9200/+29.6621+129.9000/+29.6607+129.8800/+29.6600+129.8710/+29.6513+129.8600/+29.6428+129.8400/+29.6408+129.8200/+29.6402+129.8000/+29.6400+129.7973/+29.6235+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+129.7403/+29.6993+129.7600/+29.6998+129.7800/+29.7000+129.7844/+29.7153+129.8000/+29.7189+129.8200/+29.7200+129.8367/+29.7232+129.8400/+29.7362+129.8600/+29.7385+129.8800/+29.7400+129.8934/+29.7453+129.9000/+29.7552+129.9200/+29.7576+129.9400/+29.7600+129.9509/+29.7661+129.9600/+29.7791+129.9800/+29.7800+129.9853/+29.7840+130.0000/+29.7892+130.0200/+29.7940+130.0400/+29.7971+130.0600/+29.8000+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6591+129.7200/+29.6566+129.7400/+29.6400+129.7532/+29.6296+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6591+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、３日２１時から２４時までは火口から北東方向、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。 　３日１８時から４日１２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 　０３日１８時から２１時まで　東　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０３日２１時から２４時まで　北東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　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　　　　　 　 　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。