2026-07-04T14:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T23:00:00+09:00 2026-07-05T00:00:00+09:00 2026-07-05T18:00:00+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、５日０９時から１２時までは火口から北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 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +29.8021+130.0200/+29.8057+130.0400/+29.8062+130.0600/+29.8095+130.0800/+29.8112+130.1000/+29.8137+130.1200/+29.8142+130.1400/+29.8147+130.1600/+29.8159+130.1800/+29.8151+130.2000/+29.8106+130.2200/+29.8038+130.2400/+29.8000+130.2486/+29.7968+130.2400/+29.7883+130.2200/+29.7800+130.2101/+29.7715+130.2000/+29.7600+130.1902/+29.7537+130.1800/+29.7447+130.1600/+29.7400+130.1493/+29.7364+130.1400/+29.7301+130.1200/+29.7200+130.1012/+29.7195+130.1000/+29.7139+130.0800/+29.7085+130.0600/+29.7042+130.0400/+29.7000+130.0241/+29.6980+130.0200/+29.6911+130.0000/+29.6862+129.9800/+29.6831+129.9600/+29.6800+129.9400/+29.6800+129.9399/+29.6671+129.9200/+29.6636+129.9000/+29.6616+129.8800/+29.6600+129.8617/+29.6590+129.8600/+29.6459+129.8400/+29.6418+129.8200/+29.6405+129.8000/+29.6400+129.7930/+29.6276+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6809/+29.6600+129.6850/+29.6750+129.7000/+29.6799+129.7200/+29.6800+129.7213/+29.6986+129.7400/+29.6999+129.7600/+29.7000+129.7605/+29.7179+129.7800/+29.7200+129.7946/+29.7252+129.8000/+29.7373+129.8200/+29.7400+129.8354/+29.7440+129.8400/+29.7559+129.8600/+29.7600+129.8773/+29.7617+129.8800/+29.7662+129.9000/+29.7740+129.9200/+29.7795+129.9400/+29.7800+129.9438/+29.7849+129.9600/+29.7922+129.9800/+29.7978+130.0000/+29.8000+130.0121/+29.8021+130.0200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6598+129.7200/+29.6535+129.7400/+29.6400+129.7478/+29.6336+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6598+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 +29.8813+130.1200/+29.8867+130.1400/+29.8845+130.1600/+29.8812+130.1800/+29.8800+130.1838/+29.8666+130.2000/+29.8600+130.2027/+29.8567+130.2000/+29.8400+130.1898/+29.8338+130.1800/+29.8209+130.1600/+29.8200+130.1588/+29.8056+130.1400/+29.8000+130.1328/+29.7907+130.1200/+29.7800+130.1003/+29.7799+130.1000/+29.7734+130.0800/+29.7651+130.0600/+29.7600+130.0440/+29.7578+130.0400/+29.7441+130.0200/+29.7419+130.0000/+29.7400+129.9964/+29.7285+129.9800/+29.7218+129.9600/+29.7200+129.9547/+29.7110+129.9400/+29.7034+129.9200/+29.7000+129.9075/+29.6944+129.9000/+29.6834+129.8800/+29.6800+129.8600/+29.6800+129.8598/+29.6641+129.8400/+29.6606+129.8200/+29.6600+129.8176/+29.6437+129.8000/+29.6404+129.7800/+29.6400+129.7770/+29.6231+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6810/+29.6600+129.6845/+29.6755+129.7000/+29.6800+129.7200/+29.6800+129.7202/+29.6996+129.7400/+29.7000+129.7426/+29.7174+129.7600/+29.7200+129.7718/+29.7281+129.7800/+29.7390+129.8000/+29.7400+129.8034/+29.7554+129.8200/+29.7600+129.8336/+29.7659+129.8400/+29.7772+129.8600/+29.7800+129.8673/+29.7898+129.8800/+29.7974+129.9000/+29.8000+129.9088/+29.8086+129.9200/+29.8143+129.9400/+29.8200+129.9531/+29.8270+129.9600/+29.8387+129.9800/+29.8400+129.9846/+29.8460+130.0000/+29.8541+130.0200/+29.8600+130.0335/+29.8635+130.0400/+29.8703+130.0600/+29.8755+130.0800/+29.8778+130.1000/+29.8800+130.1148/+29.8813+130.1200/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6657+129.7200/+29.6616+129.7400/+29.6600+129.7422/+29.6400+129.7486/+29.6314+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7143/+29.6657+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +29.8221+130.0800/+29.8252+130.1000/+29.8290+130.1200/+29.8310+130.1400/+29.8333+130.1600/+29.8331+130.1800/+29.8300+130.2000/+29.8256+130.2200/+29.8200+130.2354/+29.8177+130.2400/+29.8007+130.2600/+29.8000+130.2606/+29.7997+130.2600/+29.7913+130.2400/+29.7832+130.2200/+29.7800+130.2139/+29.7733+130.2000/+29.7600+130.1837/+29.7575+130.1800/+29.7476+130.1600/+29.7406+130.1400/+29.7400+130.1376/+29.7361+130.1200/+29.7340+130.1000/+29.7247+130.0800/+29.7200+130.0690/+29.7162+130.0600/+29.7101+130.0400/+29.7047+130.0200/+29.7031+130.0000/+29.7006+129.9800/+29.7000+129.9765/+29.6913+129.9600/+29.6843+129.9400/+29.6815+129.9200/+29.6800+129.9076/+29.6745+129.9000/+29.6640+129.8800/+29.6613+129.8600/+29.6600+129.8460/+29.6547+129.8400/+29.6426+129.8200/+29.6406+129.8000/+29.6400+129.7800/+29.6400+129.7799/+29.6207+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6867/+29.6733+129.7000/+29.6799+129.7200/+29.6800+129.7231/+29.6969+129.7400/+29.6997+129.7600/+29.7000+129.7667/+29.7132+129.7800/+29.7191+129.8000/+29.7200+129.8088/+29.7306+129.8200/+29.7378+129.8400/+29.7399+129.8600/+29.7400+129.8604/+29.7553+129.8800/+29.7590+129.9000/+29.7600+129.9044/+29.7713+129.9200/+29.7766+129.9400/+29.7789+129.9600/+29.7800+129.9625/+29.7970+129.9800/+29.8000+129.9900/+29.8044+130.0000/+29.8089+130.0200/+29.8114+130.0400/+29.8140+130.0600/+29.8200+130.0766/+29.8221+130.0800/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6625+129.7400/+29.6600+129.7437/+29.6400+129.7498/+29.6319+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6599+129.7200/+29.6600+129.7292/+29.6625+129.7400/ 東 3 鹿児島県十島村 4630400 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +29.8403+130.1400/+29.8447+130.1600/+29.8448+130.1800/+29.8476+130.2000/+29.8436+130.2200/+29.8400+130.2334/+29.8350+130.2400/+29.8200+130.2530/+29.8000+130.2598/+29.7923+130.2400/+29.7846+130.2200/+29.7800+130.2079/+29.7778+130.2000/+29.7712+130.1800/+29.7637+130.1600/+29.7600+130.1557/+29.7497+130.1400/+29.7418+130.1200/+29.7400+130.1104/+29.7381+130.1000/+29.7307+130.0800/+29.7238+130.0600/+29.7200+130.0490/+29.7164+130.0400/+29.7099+130.0200/+29.7094+130.0000/+29.7050+129.9800/+29.7002+129.9600/+29.7000+129.9591/+29.6886+129.9400/+29.6841+129.9200/+29.6809+129.9000/+29.6800+129.8955/+29.6684+129.8800/+29.6629+129.8600/+29.6607+129.8400/+29.6600+129.8351/+29.6462+129.8200/+29.6410+129.8000/+29.6402+129.7800/+29.6400+129.7790/+29.6212+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6813/+29.6600+129.6865/+29.6735+129.7000/+29.6799+129.7200/+29.6800+129.7216/+29.6984+129.7400/+29.6998+129.7600/+29.7000+129.7625/+29.7173+129.7800/+29.7196+129.8000/+29.7200+129.8026/+29.7365+129.8200/+29.7392+129.8400/+29.7400+129.8454/+29.7532+129.8600/+29.7584+129.8800/+29.7600+129.8895/+29.7682+129.9000/+29.7769+129.9200/+29.7800+129.9316/+29.7861+129.9400/+29.7946+129.9600/+29.8000+129.9730/+29.8060+129.9800/+29.8111+130.0000/+29.8148+130.0200/+29.8186+130.0400/+29.8200+130.0471/+29.8248+130.0600/+29.8315+130.0800/+29.8343+130.1000/+29.8377+130.1200/+29.8400+130.1387/+29.8403+130.1400/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6606+129.7400/+29.6600+129.7410/+29.6400+129.7486/+29.6314+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6599+129.7200/+29.6600+129.7346/+29.6606+129.7400/ 東 3 鹿児島県十島村 4630400 2026-07-05T12:00:00+09:00 2026-07-05T15:00:00+09:00 降灰 70 +29.8214+130.1000/+29.8239+130.1200/+29.8246+130.1400/+29.8254+130.1600/+29.8268+130.1800/+29.8262+130.2000/+29.8234+130.2200/+29.8200+130.2368/+29.8192+130.2400/+29.8127+130.2600/+29.8036+130.2800/+29.8000+130.2861/+29.7977+130.2800/+29.7908+130.2600/+29.7833+130.2400/+29.7800+130.2326/+29.7744+130.2200/+29.7600+130.2019/+29.7589+130.2000/+29.7485+130.1800/+29.7418+130.1600/+29.7400+130.1563/+29.7340+130.1400/+29.7295+130.1200/+29.7252+130.1000/+29.7200+130.0865/+29.7171+130.0800/+29.7114+130.0600/+29.7079+130.0400/+29.7047+130.0200/+29.7049+130.0000/+29.7009+129.9800/+29.7000+129.9748/+29.6915+129.9600/+29.6842+129.9400/+29.6816+129.9200/+29.6800+129.9064/+29.6753+129.9000/+29.6647+129.8800/+29.6612+129.8600/+29.6602+129.8400/+29.6600+129.8390/+29.6429+129.8200/+29.6405+129.8000/+29.6401+129.7800/+29.6400+129.7798/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6875/+29.6725+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6995+129.7600/+29.6998+129.7800/+29.7000+129.7827/+29.7167+129.8000/+29.7193+129.8200/+29.7200+129.8333/+29.7263+129.8400/+29.7372+129.8600/+29.7392+129.8800/+29.7400+129.8867/+29.7511+129.9000/+29.7570+129.9200/+29.7592+129.9400/+29.7600+129.9444/+29.7713+129.9600/+29.7800+129.9725/+29.7876+129.9800/+29.7915+130.0000/+29.7952+130.0200/+29.7991+130.0400/+29.8000+130.0434/+29.8067+130.0600/+29.8186+130.0800/+29.8200+130.0898/+29.8214+130.1000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6595+129.7200/+29.6586+129.7400/+29.6400+129.7472/+29.6328+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6595+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T15:00:00+09:00 2026-07-05T18:00:00+09:00 降灰 70 +29.8036+130.2000/+29.8040+130.2200/+29.8044+130.2400/+29.8030+130.2600/+29.8000+130.2759/+29.7875+130.2600/+29.7800+130.2530/+29.7600+130.2446/+29.7564+130.2400/+29.7400+130.2224/+29.7393+130.2200/+29.7362+130.2000/+29.7296+130.1800/+29.7237+130.1600/+29.7200+130.1525/+29.7120+130.1400/+29.7105+130.1200/+29.7063+130.1000/+29.7021+130.0800/+29.7000+130.0701/+29.6941+130.0600/+29.6858+130.0400/+29.6858+130.0200/+29.6839+130.0000/+29.6818+129.9800/+29.6800+129.9680/+29.6742+129.9600/+29.6666+129.9400/+29.6630+129.9200/+29.6613+129.9000/+29.6600+129.8800/+29.6600+129.8799/+29.6464+129.8600/+29.6421+129.8400/+29.6407+129.8200/+29.6402+129.8000/+29.6400+129.7969/+29.6237+129.7800/+29.6203+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6810/+29.6600+129.6867/+29.6733+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7418/+29.6979+129.7600/+29.6996+129.7800/+29.6999+129.8000/+29.7000+129.8027/+29.7152+129.8200/+29.7182+129.8400/+29.7193+129.8600/+29.7200+129.8683/+29.7295+129.8800/+29.7352+129.9000/+29.7375+129.9200/+29.7391+129.9400/+29.7400+129.9474/+29.7480+129.9600/+29.7542+129.9800/+29.7600+129.9999/+29.7601+130.0000/+29.7700+130.0200/+29.7746+130.0400/+29.7796+130.0600/+29.7800+130.0631/+29.7837+130.0800/+29.7893+130.1000/+29.7909+130.1200/+29.7923+130.1400/+29.7942+130.1600/+29.7971+130.1800/+29.8000+130.1912/+29.8036+130.2000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6591+129.7200/+29.6510+129.7400/+29.6400+129.7476/+29.6340+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、５日０９時から１２時までは火口から北東方向に降灰が予想されます。 　５日０時から５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 　０５日００時から０３時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０６時から０９時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０９時から１２時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日１２時から１５時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５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。