2026-07-03T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T02:00:00+09:00 2026-07-04T03:00:00+09:00 2026-07-04T21:00:00+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 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北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6701+129.7200/+29.6649+129.7400/+29.6600+129.7459/+29.6400+129.7466/+29.6334+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7099/+29.6701+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 +29.8802+130.2200/+29.8806+130.2400/+29.8800+130.2466/+29.8777+130.2600/+29.8600+130.2755/+29.8402+130.2600/+29.8400+130.2599/+29.8308+130.2400/+29.8207+130.2200/+29.8200+130.2186/+29.8105+130.2000/+29.8000+130.1869/+29.7955+130.1800/+29.7850+130.1600/+29.7800+130.1500/+29.7762+130.1400/+29.7710+130.1200/+29.7671+130.1000/+29.7600+130.0806/+29.7594+130.0800/+29.7437+130.0600/+29.7400+130.0516/+29.7344+130.0400/+29.7256+130.0200/+29.7268+130.0000/+29.7223+129.9800/+29.7200+129.9710/+29.7118+129.9600/+29.7032+129.9400/+29.7002+129.9200/+29.7000+129.9194/+29.6847+129.9000/+29.6813+129.8800/+29.6800+129.8713/+29.6697+129.8600/+29.6616+129.8400/+29.6601+129.8200/+29.6600+129.8194/+29.6415+129.8000/+29.6402+129.7800/+29.6400+129.7786/+29.6214+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6877/+29.6723+129.7000/+29.6799+129.7200/+29.6800+129.7218/+29.6982+129.7400/+29.6998+129.7600/+29.7000+129.7627/+29.7171+129.7800/+29.7196+129.8000/+29.7200+129.8030/+29.7360+129.8200/+29.7395+129.8400/+29.7400+129.8431/+29.7542+129.8600/+29.7585+129.8800/+29.7600+129.8875/+29.7704+129.9000/+29.7773+129.9200/+29.7800+129.9310/+29.7866+129.9400/+29.7947+129.9600/+29.8000+129.9683/+29.8102+129.9800/+29.8152+130.0000/+29.8189+130.0200/+29.8200+130.0252/+29.8294+130.0400/+29.8362+130.0600/+29.8400+130.0711/+29.8463+130.0800/+29.8568+130.1000/+29.8600+130.1089/+29.8632+130.1200/+29.8676+130.1400/+29.8765+130.1600/+29.8781+130.1800/+29.8800+130.2000/+29.8800+130.2026/+29.8802+130.2200/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6650+129.7200/+29.6618+129.7400/+29.6600+129.7429/+29.6400+129.7529/+29.6297+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7150/+29.6650+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 +29.8200+130.1400/+29.8233+130.1600/+29.8262+130.1800/+29.8288+130.2000/+29.8274+130.2200/+29.8255+130.2400/+29.8231+130.2600/+29.8200+130.2790/+29.8198+130.2800/+29.8137+130.3000/+29.8000+130.3168/+29.7933+130.3000/+29.7862+130.2800/+29.7800+130.2625/+29.7791+130.2600/+29.7698+130.2400/+29.7600+130.2258/+29.7559+130.2200/+29.7425+130.2000/+29.7400+130.1848/+29.7393+130.1800/+29.7368+130.1600/+29.7313+130.1400/+29.7268+130.1200/+29.7200+130.1021/+29.7191+130.1000/+29.7119+130.0800/+29.7071+130.0600/+29.7038+130.0400/+29.7001+130.0200/+29.7000+130.0171/+29.6977+130.0000/+29.6889+129.9800/+29.6841+129.9600/+29.6816+129.9400/+29.6800+129.9277/+29.6744+129.9200/+29.6652+129.9000/+29.6619+129.8800/+29.6604+129.8600/+29.6600+129.8570/+29.6459+129.8400/+29.6413+129.8200/+29.6404+129.8000/+29.6400+129.7915/+29.6286+129.7800/+29.6204+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6600+129.6894/+29.6706+129.7000/+29.6799+129.7200/+29.6800+129.7314/+29.6886+129.7400/+29.6995+129.7600/+29.6999+129.7800/+29.7000+129.7812/+29.7180+129.8000/+29.7195+129.8200/+29.7200+129.8248/+29.7337+129.8400/+29.7382+129.8600/+29.7400+129.8791/+29.7408+129.8800/+29.7547+129.9000/+29.7585+129.9200/+29.7600+129.9304/+29.7660+129.9400/+29.7750+129.9600/+29.7800+129.9714/+29.7887+129.9800/+29.7932+130.0000/+29.7976+130.0200/+29.8000+130.0308/+29.8031+130.0400/+29.8058+130.0600/+29.8133+130.0800/+29.8149+130.1000/+29.8169+130.1200/+29.8200+130.1397/+29.8200+130.1400/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6628+129.7400/+29.6600+129.7445/+29.6400+129.7544/+29.6285+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6598+129.7200/+29.6600+129.7304/+29.6628+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 +29.7809+130.0600/+29.7839+130.0800/+29.7890+130.1000/+29.7911+130.1200/+29.7915+130.1400/+29.7921+130.1600/+29.7937+130.1800/+29.7967+130.2000/+29.7950+130.2200/+29.7942+130.2400/+29.7913+130.2600/+29.7861+130.2800/+29.7800+130.2973/+29.7788+130.3000/+29.7628+130.3200/+29.7600+130.3221/+29.7586+130.3200/+29.7459+130.3000/+29.7400+130.2879/+29.7386+130.2800/+29.7354+130.2600/+29.7295+130.2400/+29.7211+130.2200/+29.7200+130.2176/+29.7130+130.2000/+29.7061+130.1800/+29.7013+130.1600/+29.7000+130.1563/+29.6955+130.1400/+29.6971+130.1200/+29.6886+130.1000/+29.6854+130.0800/+29.6810+130.0600/+29.6800+130.0554/+29.6753+130.0400/+29.6800+130.0316/+29.6818+130.0200/+29.6800+130.0117/+29.6730+130.0000/+29.6679+129.9800/+29.6646+129.9600/+29.6628+129.9400/+29.6608+129.9200/+29.6600+129.9094/+29.6546+129.9000/+29.6463+129.8800/+29.6423+129.8600/+29.6409+129.8400/+29.6403+129.8200/+29.6400+129.8148/+29.6271+129.8000/+29.6211+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6219+129.7000/+29.6400+129.6819/+29.6600+129.6919/+29.6681+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7422/+29.6977+129.7600/+29.6995+129.7800/+29.6999+129.8000/+29.7000+129.8016/+29.7164+129.8200/+29.7187+129.8400/+29.7198+129.8600/+29.7200+129.8615/+29.7337+129.8800/+29.7373+129.9000/+29.7392+129.9200/+29.7400+129.9266/+29.7483+129.9400/+29.7553+129.9600/+29.7581+129.9800/+29.7600+129.9873/+29.7719+130.0000/+29.7760+130.0200/+29.7784+130.0400/+29.7800+130.0554/+29.7809+130.0600/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6567+129.7400/+29.6400+129.7553/+29.6285+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +29.7503+130.0200/+29.7525+130.0400/+29.7540+130.0600/+29.7552+130.0800/+29.7560+130.1000/+29.7570+130.1200/+29.7561+130.1400/+29.7550+130.1600/+29.7534+130.1800/+29.7513+130.2000/+29.7484+130.2200/+29.7421+130.2400/+29.7400+130.2468/+29.7336+130.2600/+29.7251+130.2800/+29.7200+130.2899/+29.7141+130.3000/+29.7000+130.3173/+29.6954+130.3000/+29.6913+130.2800/+29.6876+130.2600/+29.6829+130.2400/+29.6800+130.2255/+29.6789+130.2200/+29.6744+130.2000/+29.6686+130.1800/+29.6645+130.1600/+29.6616+130.1400/+29.6646+130.1200/+29.6635+130.1000/+29.6620+130.0800/+29.6600+130.0600/+29.6600+130.0597/+29.6566+130.0400/+29.6600+130.0317/+29.6614+130.0200/+29.6608+130.0000/+29.6600+129.9925/+29.6544+129.9800/+29.6494+129.9600/+29.6470+129.9400/+29.6441+129.9200/+29.6426+129.9000/+29.6412+129.8800/+29.6406+129.8600/+29.6400+129.8408/+29.6395+129.8400/+29.6260+129.8200/+29.6218+129.8000/+29.6205+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6216+129.7000/+29.6400+129.6816/+29.6600+129.6919/+29.6681+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7457/+29.6942+129.7600/+29.6990+129.7800/+29.6995+129.8000/+29.7000+129.8147/+29.7050+129.8200/+29.7154+129.8400/+29.7177+129.8600/+29.7191+129.8800/+29.7200+129.8913/+29.7254+129.9000/+29.7317+129.9200/+29.7344+129.9400/+29.7358+129.9600/+29.7374+129.9800/+29.7399+130.0000/+29.7400+130.0004/+29.7503+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/+29.6524+129.7400/+29.6400+129.7535/+29.6298+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 +29.7827+130.1000/+29.7842+130.1200/+29.7842+130.1400/+29.7842+130.1600/+29.7837+130.1800/+29.7835+130.2000/+29.7800+130.2120/+29.7764+130.2200/+29.7715+130.2400/+29.7629+130.2600/+29.7600+130.2651/+29.7535+130.2600/+29.7400+130.2515/+29.7361+130.2400/+29.7290+130.2200/+29.7200+130.2018/+29.7192+130.2000/+29.7102+130.1800/+29.7043+130.1600/+29.7000+130.1424/+29.6995+130.1400/+29.7000+130.1374/+29.7021+130.1200/+29.7000+130.1107/+29.6956+130.1000/+29.6874+130.0800/+29.6828+130.0600/+29.6800+130.0414/+29.6797+130.0400/+29.6800+130.0395/+29.6830+130.0200/+29.6804+130.0000/+29.6800+129.9973/+29.6714+129.9800/+29.6657+129.9600/+29.6626+129.9400/+29.6613+129.9200/+29.6600+129.9033/+29.6578+129.9000/+29.6465+129.8800/+29.6424+129.8600/+29.6409+129.8400/+29.6404+129.8200/+29.6400+129.8104/+29.6305+129.8000/+29.6210+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6880/+29.6720+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7451/+29.6948+129.7600/+29.6992+129.7800/+29.6997+129.8000/+29.7000+129.8074/+29.7110+129.8200/+29.7172+129.8400/+29.7191+129.8600/+29.7200+129.8707/+29.7266+129.8800/+29.7331+129.9000/+29.7369+129.9200/+29.7394+129.9400/+29.7400+129.9445/+29.7474+129.9600/+29.7549+129.9800/+29.7588+130.0000/+29.7600+130.0077/+29.7656+130.0200/+29.7719+130.0400/+29.7741+130.0600/+29.7763+130.0800/+29.7800+130.0922/+29.7827+130.1000/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6482+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に降灰が予想されます。 　４日３時から４日２１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　　　　　 　０４日１８時から２１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。