2026-09-01T11:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T20:00:00+09:00 2026-09-01T21:00:00+09:00 2026-09-02T15:00:00+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、１日２１時から２４時までは火口から西方向、２日０９時から１２時までは火口から西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 2026-09-01T21:00:00+09:00 2026-09-02T00:00:00+09:00 降灰 70 +29.8014+128.9400/+29.8039+128.9600/+29.8052+128.9800/+29.8064+129.0000/+29.8047+129.0200/+29.8031+129.0400/+29.8000+129.0574/+29.7992+129.0600/+29.7944+129.0800/+29.7923+129.1000/+29.7903+129.1200/+29.7889+129.1400/+29.7876+129.1600/+29.7864+129.1800/+29.7853+129.2000/+29.7842+129.2200/+29.7800+129.2358/+29.7787+129.2400/+29.7745+129.2600/+29.7686+129.2800/+29.7600+129.2954/+29.7593+129.3000/+29.7571+129.3200/+29.7539+129.3400/+29.7520+129.3600/+29.7492+129.3800/+29.7442+129.4000/+29.7400+129.4107/+29.7372+129.4200/+29.7235+129.4400/+29.7200+129.4455/+29.7190+129.4600/+29.7180+129.4800/+29.7165+129.5000/+29.7125+129.5200/+29.7000+129.5372/+29.6999+129.5400/+29.6995+129.5600/+29.6993+129.5800/+29.6986+129.6000/+29.6950+129.6200/+29.6800+129.6360/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6761+129.7200/+29.6600+129.7361/+29.6400+129.7394/+29.6206+129.7200/+29.6201+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6206+129.6200/+29.6225+129.6000/+29.6367+129.5800/+29.6400+129.5761/+29.6403+129.5600/+29.6407+129.5400/+29.6413+129.5200/+29.6427+129.5000/+29.6455+129.4800/+29.6543+129.4600/+29.6600+129.4504/+29.6606+129.4400/+29.6618+129.4200/+29.6600+129.4102/+29.6506+129.4000/+29.6587+129.3800/+29.6600+129.3769/+29.6626+129.3600/+29.6657+129.3400/+29.6691+129.3200/+29.6755+129.3000/+29.6800+129.2895/+29.6822+129.2800/+29.6850+129.2600/+29.6884+129.2400/+29.6908+129.2200/+29.6938+129.2000/+29.7000+129.1827/+29.7017+129.1800/+29.7072+129.1600/+29.7111+129.1400/+29.7142+129.1200/+29.7175+129.1000/+29.7200+129.0890/+29.7224+129.0800/+29.7288+129.0600/+29.7355+129.0400/+29.7400+129.0258/+29.7445+129.0200/+29.7586+129.0000/+29.7600+128.9975/+29.7800+128.9803/+29.7802+128.9800/+29.7902+128.9600/+29.7974+128.9400/+29.8000+128.9332/+29.8014+128.9400/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6664+129.6800/+29.6600+129.6864/+29.6588+129.7000/+29.6400+129.7188/+29.6212+129.7000/+29.6301+129.6800/+29.6400+129.6657/+29.6600+129.6690/+29.6664+129.6800/ 西 4 鹿児島県十島村 4630400 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +29.7841+129.0600/+29.7833+129.0800/+29.7831+129.1000/+29.7833+129.1200/+29.7834+129.1400/+29.7829+129.1600/+29.7821+129.1800/+29.7815+129.2000/+29.7806+129.2200/+29.7800+129.2233/+29.7773+129.2400/+29.7734+129.2600/+29.7682+129.2800/+29.7600+129.2982/+29.7597+129.3000/+29.7570+129.3200/+29.7528+129.3400/+29.7505+129.3600/+29.7477+129.3800/+29.7430+129.4000/+29.7400+129.4090/+29.7375+129.4200/+29.7250+129.4400/+29.7200+129.4488/+29.7190+129.4600/+29.7174+129.4800/+29.7159+129.5000/+29.7127+129.5200/+29.7000+129.5387/+29.6999+129.5400/+29.6993+129.5600/+29.6989+129.5800/+29.6981+129.6000/+29.6940+129.6200/+29.6800+129.6351/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6766+129.7200/+29.6600+129.7365/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6204+129.6200/+29.6208+129.6000/+29.6219+129.5800/+29.6241+129.5600/+29.6278+129.5400/+29.6373+129.5200/+29.6400+129.5158/+29.6408+129.5000/+29.6417+129.4800/+29.6429+129.4600/+29.6449+129.4400/+29.6489+129.4200/+29.6459+129.4000/+29.6492+129.3800/+29.6531+129.3600/+29.6595+129.3400/+29.6600+129.3385/+29.6643+129.3200/+29.6679+129.3000/+29.6701+129.2800/+29.6794+129.2600/+29.6800+129.2590/+29.6852+129.2400/+29.6889+129.2200/+29.6937+129.2000/+29.7000+129.1822/+29.7016+129.1800/+29.7120+129.1600/+29.7193+129.1400/+29.7200+129.1376/+29.7253+129.1200/+29.7320+129.1000/+29.7373+129.0800/+29.7400+129.0704/+29.7478+129.0600/+29.7600+129.0429/+29.7800+129.0519/+29.7841+129.0600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6614+129.6800/+29.6600+129.6814/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6303+129.6800/+29.6400+129.6667/+29.6600+129.6768/+29.6614+129.6800/ 西 4 鹿児島県十島村 4630400 2026-09-02T03:00:00+09:00 2026-09-02T06:00:00+09:00 降灰 70 +29.7677+129.0800/+29.7724+129.1000/+29.7733+129.1200/+29.7739+129.1400/+29.7747+129.1600/+29.7755+129.1800/+29.7762+129.2000/+29.7738+129.2200/+29.7674+129.2400/+29.7607+129.2600/+29.7600+129.2617/+29.7573+129.2800/+29.7555+129.3000/+29.7543+129.3200/+29.7505+129.3400/+29.7469+129.3600/+29.7401+129.3800/+29.7400+129.3803/+29.7375+129.4000/+29.7200+129.4195/+29.7199+129.4200/+29.7184+129.4400/+29.7172+129.4600/+29.7152+129.4800/+29.7093+129.5000/+29.7000+129.5137/+29.6997+129.5200/+29.6992+129.5400/+29.6989+129.5600/+29.6982+129.5800/+29.6956+129.6000/+29.6800+129.6186/+29.6800+129.6200/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6778+129.7200/+29.6600+129.7378/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6204+129.6200/+29.6211+129.6000/+29.6231+129.5800/+29.6288+129.5600/+29.6400+129.5423/+29.6401+129.5400/+29.6407+129.5200/+29.6414+129.5000/+29.6427+129.4800/+29.6456+129.4600/+29.6498+129.4400/+29.6600+129.4244/+29.6606+129.4200/+29.6600+129.4161/+29.6490+129.4000/+29.6557+129.3800/+29.6600+129.3673/+29.6613+129.3600/+29.6646+129.3400/+29.6686+129.3200/+29.6732+129.3000/+29.6800+129.2824/+29.6808+129.2800/+29.6844+129.2600/+29.6885+129.2400/+29.6917+129.2200/+29.6957+129.2000/+29.7000+129.1860/+29.7050+129.1800/+29.7159+129.1600/+29.7200+129.1484/+29.7229+129.1400/+29.7278+129.1200/+29.7328+129.1000/+29.7388+129.0800/+29.7400+129.0763/+29.7600+129.0613/+29.7677+129.0800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6542+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6345+129.6800/+29.6400+129.6719/+29.6542+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +29.7415+129.1800/+29.7432+129.2000/+29.7464+129.2200/+29.7464+129.2400/+29.7454+129.2600/+29.7445+129.2800/+29.7434+129.3000/+29.7400+129.3067/+29.7350+129.3200/+29.7332+129.3400/+29.7323+129.3600/+29.7321+129.3800/+29.7311+129.4000/+29.7200+129.4115/+29.7161+129.4200/+29.7152+129.4400/+29.7115+129.4600/+29.7073+129.4800/+29.7000+129.4951/+29.6998+129.5000/+29.6992+129.5200/+29.6988+129.5400/+29.6983+129.5600/+29.6969+129.5800/+29.6927+129.6000/+29.6800+129.6163/+29.6799+129.6200/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6777+129.7200/+29.6600+129.7377/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6203+129.6200/+29.6208+129.6000/+29.6216+129.5800/+29.6233+129.5600/+29.6276+129.5400/+29.6362+129.5200/+29.6400+129.5125/+29.6404+129.5000/+29.6410+129.4800/+29.6417+129.4600/+29.6428+129.4400/+29.6449+129.4200/+29.6432+129.4000/+29.6444+129.3800/+29.6461+129.3600/+29.6484+129.3400/+29.6508+129.3200/+29.6525+129.3000/+29.6527+129.2800/+29.6558+129.2600/+29.6600+129.2415/+29.6604+129.2400/+29.6643+129.2200/+29.6698+129.2000/+29.6748+129.1800/+29.6800+129.1611/+29.6804+129.1600/+29.6852+129.1400/+29.6883+129.1200/+29.6919+129.1000/+29.6997+129.0800/+29.7000+129.0794/+29.7028+129.0800/+29.7200+129.0864/+29.7340+129.1000/+29.7359+129.1200/+29.7369+129.1400/+29.7392+129.1600/+29.7400+129.1659/+29.7415+129.1800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6635+129.6800/+29.6677+129.7000/+29.6600+129.7077/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6327+129.6800/+29.6400+129.6697/+29.6600+129.6750/+29.6635+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +29.7026+129.1000/+29.7042+129.1200/+29.7056+129.1400/+29.7063+129.1600/+29.7065+129.1800/+29.7103+129.2000/+29.7062+129.2200/+29.7067+129.2400/+29.7060+129.2600/+29.7052+129.2800/+29.7070+129.3000/+29.7000+129.3092/+29.6964+129.3200/+29.6964+129.3400/+29.6965+129.3600/+29.6965+129.3800/+29.6967+129.4000/+29.6909+129.4200/+29.6891+129.4400/+29.6882+129.4600/+29.6818+129.4800/+29.6800+129.4862/+29.6798+129.5000/+29.6797+129.5200/+29.6796+129.5400/+29.6795+129.5600/+29.6796+129.5800/+29.6796+129.6000/+29.6797+129.6200/+29.6797+129.6400/+29.6798+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6763+129.7200/+29.6600+129.7363/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6734/+29.6130+129.6600/+29.6131+129.6400/+29.6160+129.6200/+29.6189+129.6000/+29.6200+129.5884/+29.6200+129.5800/+29.6202+129.5600/+29.6203+129.5400/+29.6206+129.5200/+29.6209+129.5000/+29.6215+129.4800/+29.6219+129.4600/+29.6221+129.4400/+29.6228+129.4200/+29.6200+129.4114/+29.6093+129.4000/+29.6108+129.3800/+29.6127+129.3600/+29.6146+129.3400/+29.6162+129.3200/+29.6181+129.3000/+29.6139+129.2800/+29.6146+129.2600/+29.6153+129.2400/+29.6181+129.2200/+29.6200+129.2095/+29.6221+129.2000/+29.6219+129.1800/+29.6241+129.1600/+29.6268+129.1400/+29.6299+129.1200/+29.6339+129.1000/+29.6375+129.0800/+29.6400+129.0678/+29.6446+129.0600/+29.6553+129.0400/+29.6600+129.0291/+29.6707+129.0400/+29.6800+129.0512/+29.6851+129.0600/+29.6982+129.0800/+29.7000+129.0835/+29.7026+129.1000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6486+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6314+129.6800/+29.6400+129.6671/+29.6486+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +29.6815+129.1600/+29.6837+129.1800/+29.6800+129.1959/+29.6792+129.2000/+29.6795+129.2200/+29.6798+129.2400/+29.6800+129.2501/+29.6808+129.2600/+29.6823+129.2800/+29.6875+129.3000/+29.6882+129.3200/+29.6898+129.3400/+29.6910+129.3600/+29.6921+129.3800/+29.6934+129.4000/+29.6800+129.4149/+29.6787+129.4200/+29.6787+129.4400/+29.6787+129.4600/+29.6786+129.4800/+29.6790+129.5000/+29.6791+129.5200/+29.6791+129.5400/+29.6791+129.5600/+29.6792+129.5800/+29.6793+129.6000/+29.6793+129.6200/+29.6795+129.6400/+29.6796+129.6600/+29.6797+129.6800/+29.6796+129.7000/+29.6747+129.7200/+29.6600+129.7347/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6200+129.6869/+29.6136+129.6800/+29.6053+129.6600/+29.6041+129.6400/+29.6042+129.6200/+29.6043+129.6000/+29.6041+129.5800/+29.6047+129.5600/+29.6054+129.5400/+29.6055+129.5200/+29.6062+129.5000/+29.6062+129.4800/+29.6068+129.4600/+29.6070+129.4400/+29.6080+129.4200/+29.6016+129.4000/+29.6016+129.3800/+29.6021+129.3600/+29.6024+129.3400/+29.6024+129.3200/+29.6029+129.3000/+29.6027+129.2800/+29.6035+129.2600/+29.6044+129.2400/+29.6053+129.2200/+29.6066+129.2000/+29.6073+129.1800/+29.6092+129.1600/+29.6109+129.1400/+29.6121+129.1200/+29.6135+129.1000/+29.6152+129.0800/+29.6172+129.0600/+29.6194+129.0400/+29.6200+129.0345/+29.6217+129.0200/+29.6248+129.0000/+29.6309+128.9800/+29.6378+128.9600/+29.6400+128.9524/+29.6503+128.9600/+29.6600+128.9664/+29.6627+128.9800/+29.6660+129.0000/+29.6691+129.0200/+29.6718+129.0400/+29.6741+129.0600/+29.6761+129.0800/+29.6778+129.1000/+29.6788+129.1200/+29.6797+129.1400/+29.6800+129.1430/+29.6815+129.1600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6511+129.6800/+29.6588+129.7000/+29.6584+129.7200/+29.6400+129.7384/+29.6216+129.7200/+29.6212+129.7000/+29.6289+129.6800/+29.6400+129.6633/+29.6511+129.6800/ 西 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、１日２１時から２４時までは火口から西方向、２日０９時から１２時までは火口から西方向に降灰が予想されます。 　１日２１時から２日１５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 　０１日２１時から２４時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０２日００時から０３時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０２日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０６時から０９時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０２日０９時から１２時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　西　　　　　　　７０ｋｍ　　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。