2026-09-04T17:00:00Z 通常 気象庁本庁 気象庁 2026-09-05T02:00:00+09:00 2026-09-05T03:00:00+09:00 2026-09-05T21:00:00+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 2026-09-05T03:00:00+09:00 2026-09-05T06:00:00+09:00 降灰 70 +30.0815+129.3400/+30.0800+129.3455/+30.0778+129.3600/+30.0680+129.3800/+30.0618+129.4000/+30.0600+129.4022/+30.0452+129.4200/+30.0400+129.4258/+30.0326+129.4400/+30.0200+129.4544/+30.0141+129.4600/+30.0000+129.4678/+29.9893+129.4800/+29.9800+129.4958/+29.9754+129.5000/+29.9600+129.5078/+29.9400+129.5194/+29.9394+129.5200/+29.9200+129.5395/+29.9195+129.5400/+29.9000+129.5549/+29.8829+129.5600/+29.8800+129.5619/+29.8600+129.5753/+29.8541+129.5800/+29.8400+129.5937/+29.8294+129.6000/+29.8200+129.6091/+29.8008+129.6200/+29.8000+129.6208/+29.7800+129.6385/+29.7776+129.6400/+29.7600+129.6568/+29.7547+129.6600/+29.7400+129.6746/+29.7257+129.6800/+29.7200+129.6857/+29.7000+129.6992/+29.6989+129.7000/+29.6800+129.7186/+29.6793+129.7200/+29.6600+129.7393/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6203+129.6800/+29.6400+129.6602/+29.6401+129.6600/+29.6408+129.6400/+29.6600+129.6205/+29.6602+129.6200/+29.6617+129.6000/+29.6800+129.5807/+29.6803+129.5800/+29.6829+129.5600/+29.7000+129.5410/+29.7004+129.5400/+29.7042+129.5200/+29.7200+129.5006/+29.7202+129.5000/+29.7248+129.4800/+29.7400+129.4606/+29.7403+129.4600/+29.7448+129.4400/+29.7452+129.4200/+29.7600+129.4047/+29.7622+129.4000/+29.7703+129.3800/+29.7794+129.3600/+29.7800+129.3589/+29.7899+129.3400/+29.8000+129.3272/+29.8064+129.3200/+29.8151+129.3000/+29.8200+129.2917/+29.8289+129.2800/+29.8400+129.2607/+29.8407+129.2600/+29.8569+129.2400/+29.8600+129.2359/+29.8722+129.2200/+29.8800+129.2036/+29.8814+129.2000/+29.8920+129.1800/+29.9000+129.1672/+29.9146+129.1800/+29.9200+129.1896/+29.9238+129.2000/+29.9229+129.2200/+29.9222+129.2400/+29.9212+129.2600/+29.9200+129.2750/+29.9196+129.2800/+29.9179+129.3000/+29.9080+129.3200/+29.9049+129.3400/+29.9000+129.3559/+29.8979+129.3600/+29.8997+129.3800/+29.9000+129.3812/+29.9200+129.3916/+29.9400+129.3805/+29.9417+129.3800/+29.9600+129.3757/+29.9786+129.3600/+29.9800+129.3585/+30.0000+129.3511/+30.0200+129.3422/+30.0234+129.3400/+30.0400+129.3296/+30.0600+129.3264/+30.0800+129.3375/+30.0815+129.3400/ +29.8908+129.4000/+29.8800+129.4083/+29.8790+129.4000/+29.8800+129.3957/+29.8908+129.4000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6799+129.6800/+29.6777+129.7000/+29.6600+129.7176/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6505+129.6800/+29.6600+129.6647/+29.6799+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T06:00:00+09:00 2026-09-05T09:00:00+09:00 降灰 70 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北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6738+129.6800/+29.6770+129.7000/+29.6600+129.7170/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6253+129.6800/+29.6400+129.6637/+29.6600+129.6602/+29.6738+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T09:00:00+09:00 2026-09-05T12:00:00+09:00 降灰 70 +29.8887+129.1000/+29.8912+129.1200/+29.8947+129.1400/+29.8915+129.1600/+29.8854+129.1800/+29.8821+129.2000/+29.8800+129.2106/+29.8788+129.2200/+29.8771+129.2400/+29.8744+129.2600/+29.8674+129.2800/+29.8622+129.3000/+29.8600+129.3078/+29.8564+129.3200/+29.8443+129.3400/+29.8400+129.3446/+29.8334+129.3600/+29.8213+129.3800/+29.8200+129.3818/+29.8149+129.4000/+29.8102+129.4200/+29.8042+129.4400/+29.8000+129.4486/+29.7926+129.4600/+29.7800+129.4740/+29.7785+129.4800/+29.7710+129.5000/+29.7600+129.5178/+29.7594+129.5200/+29.7526+129.5400/+29.7400+129.5589/+29.7398+129.5600/+29.7342+129.5800/+29.7200+129.5996/+29.7199+129.6000/+29.7166+129.6200/+29.7003+129.6400/+29.7000+129.6403/+29.6989+129.6600/+29.6806+129.6800/+29.6800+129.6806/+29.6799+129.7000/+29.6776+129.7200/+29.6600+129.7376/+29.6400+129.7396/+29.6204+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6217+129.6400/+29.6400+129.6211/+29.6401+129.6200/+29.6404+129.6000/+29.6413+129.5800/+29.6462+129.5600/+29.6600+129.5435/+29.6603+129.5400/+29.6614+129.5200/+29.6638+129.5000/+29.6711+129.4800/+29.6800+129.4680/+29.6810+129.4600/+29.6835+129.4400/+29.6888+129.4200/+29.6853+129.4000/+29.7000+129.3806/+29.7001+129.3800/+29.7027+129.3600/+29.7061+129.3400/+29.7110+129.3200/+29.7168+129.3000/+29.7200+129.2966/+29.7246+129.2800/+29.7280+129.2600/+29.7330+129.2400/+29.7378+129.2200/+29.7400+129.2123/+29.7464+129.2000/+29.7543+129.1800/+29.7600+129.1666/+29.7618+129.1600/+29.7665+129.1400/+29.7715+129.1200/+29.7779+129.1000/+29.7800+129.0922/+29.7839+129.0800/+29.7921+129.0600/+29.8000+129.0444/+29.8055+129.0400/+29.8200+129.0212/+29.8207+129.0200/+29.8295+129.0000/+29.8338+128.9800/+29.8377+128.9600/+29.8400+128.9512/+29.8600+128.9449/+29.8634+128.9600/+29.8656+128.9800/+29.8675+129.0000/+29.8698+129.0200/+29.8720+129.0400/+29.8747+129.0600/+29.8792+129.0800/+29.8800+129.0824/+29.8887+129.1000/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6726+129.6800/+29.6743+129.7000/+29.6600+129.7143/+29.6586+129.7200/+29.6400+129.7386/+29.6214+129.7200/+29.6212+129.7000/+29.6271+129.6800/+29.6400+129.6659/+29.6600+129.6608/+29.6726+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T12:00:00+09:00 2026-09-05T15:00:00+09:00 降灰 70 +29.8050+129.0000/+29.8081+129.0200/+29.8108+129.0400/+29.8122+129.0600/+29.8127+129.0800/+29.8132+129.1000/+29.8150+129.1200/+29.8168+129.1400/+29.8173+129.1600/+29.8163+129.1800/+29.8154+129.2000/+29.8122+129.2200/+29.8000+129.2390/+29.7998+129.2400/+29.7977+129.2600/+29.7960+129.2800/+29.7952+129.3000/+29.7945+129.3200/+29.7949+129.3400/+29.7973+129.3600/+29.8000+129.3670/+29.8042+129.3800/+29.8019+129.4000/+29.8000+129.4085/+29.7972+129.4200/+29.7899+129.4400/+29.7800+129.4510/+29.7771+129.4600/+29.7732+129.4800/+29.7605+129.5000/+29.7600+129.5005/+29.7553+129.5200/+29.7461+129.5400/+29.7400+129.5468/+29.7367+129.5600/+29.7277+129.5800/+29.7200+129.5885/+29.7189+129.6000/+29.7136+129.6200/+29.7000+129.6343/+29.6997+129.6400/+29.6989+129.6600/+29.6800+129.6796/+29.6800+129.6800/+29.6799+129.7000/+29.6782+129.7200/+29.6600+129.7382/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6201+129.6600/+29.6203+129.6400/+29.6206+129.6200/+29.6211+129.6000/+29.6221+129.5800/+29.6235+129.5600/+29.6257+129.5400/+29.6297+129.5200/+29.6400+129.5028/+29.6406+129.5000/+29.6420+129.4800/+29.6458+129.4600/+29.6465+129.4400/+29.6507+129.4200/+29.6503+129.4000/+29.6540+129.3800/+29.6600+129.3645/+29.6620+129.3600/+29.6691+129.3400/+29.6731+129.3200/+29.6800+129.3018/+29.6806+129.3000/+29.6881+129.2800/+29.6940+129.2600/+29.7000+129.2449/+29.7024+129.2400/+29.7062+129.2200/+29.7121+129.2000/+29.7179+129.1800/+29.7200+129.1726/+29.7237+129.1600/+29.7304+129.1400/+29.7384+129.1200/+29.7400+129.1163/+29.7534+129.1000/+29.7600+129.0901/+29.7710+129.0800/+29.7800+129.0650/+29.7820+129.0600/+29.7877+129.0400/+29.7920+129.0200/+29.7958+129.0000/+29.8000+128.9887/+29.8050+129.0000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6707+129.6800/+29.6743+129.7000/+29.6600+129.7143/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6308+129.6800/+29.6400+129.6668/+29.6600+129.6646/+29.6707+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T15:00:00+09:00 2026-09-05T18:00:00+09:00 降灰 70 +29.7214+129.1200/+29.7244+129.1400/+29.7248+129.1600/+29.7237+129.1800/+29.7229+129.2000/+29.7200+129.2125/+29.7190+129.2200/+29.7200+129.2315/+29.7213+129.2400/+29.7200+129.2480/+29.7190+129.2600/+29.7176+129.2800/+29.7163+129.3000/+29.7092+129.3200/+29.7036+129.3400/+29.7000+129.3522/+29.6995+129.3600/+29.6984+129.3800/+29.6975+129.4000/+29.6915+129.4200/+29.6917+129.4400/+29.6912+129.4600/+29.6940+129.4800/+29.6949+129.5000/+29.6949+129.5200/+29.6955+129.5400/+29.6947+129.5600/+29.6934+129.5800/+29.6900+129.6000/+29.6802+129.6200/+29.6800+129.6203/+29.6797+129.6400/+29.6796+129.6600/+29.6797+129.6800/+29.6797+129.7000/+29.6771+129.7200/+29.6600+129.7371/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6997/+29.6028+129.6800/+29.6017+129.6600/+29.6019+129.6400/+29.6023+129.6200/+29.6027+129.6000/+29.6034+129.5800/+29.6042+129.5600/+29.6047+129.5400/+29.6064+129.5200/+29.6068+129.5000/+29.6083+129.4800/+29.6110+129.4600/+29.6129+129.4400/+29.6127+129.4200/+29.6049+129.4000/+29.6063+129.3800/+29.6081+129.3600/+29.6102+129.3400/+29.6125+129.3200/+29.6144+129.3000/+29.6126+129.2800/+29.6138+129.2600/+29.6153+129.2400/+29.6180+129.2200/+29.6200+129.2082/+29.6216+129.2000/+29.6236+129.1800/+29.6269+129.1600/+29.6299+129.1400/+29.6322+129.1200/+29.6348+129.1000/+29.6400+129.0818/+29.6413+129.0800/+29.6565+129.0600/+29.6600+129.0526/+29.6800+129.0483/+29.6969+129.0400/+29.7000+129.0331/+29.7006+129.0400/+29.7045+129.0600/+29.7109+129.0800/+29.7172+129.1000/+29.7200+129.1123/+29.7214+129.1200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6555+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6290+129.6800/+29.6400+129.6651/+29.6555+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-05T18:00:00+09:00 2026-09-05T21:00:00+09:00 降灰 70 +29.6801+129.0600/+29.6815+129.0800/+29.6826+129.1000/+29.6845+129.1200/+29.6860+129.1400/+29.6878+129.1600/+29.6897+129.1800/+29.6905+129.2000/+29.6928+129.2200/+29.6947+129.2400/+29.6942+129.2600/+29.6938+129.2800/+29.6939+129.3000/+29.6909+129.3200/+29.6904+129.3400/+29.6892+129.3600/+29.6873+129.3800/+29.6878+129.4000/+29.6800+129.4129/+29.6785+129.4200/+29.6790+129.4400/+29.6792+129.4600/+29.6790+129.4800/+29.6794+129.5000/+29.6800+129.5094/+29.6827+129.5200/+29.6800+129.5348/+29.6798+129.5400/+29.6790+129.5600/+29.6784+129.5800/+29.6785+129.6000/+29.6782+129.6200/+29.6783+129.6400/+29.6786+129.6600/+29.6792+129.6800/+29.6793+129.7000/+29.6748+129.7200/+29.6600+129.7348/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7141/+29.6059+129.7000/+29.6008+129.6800/+29.6005+129.6600/+29.6005+129.6400/+29.6006+129.6200/+29.6008+129.6000/+29.6009+129.5800/+29.6011+129.5600/+29.6013+129.5400/+29.6016+129.5200/+29.6018+129.5000/+29.6020+129.4800/+29.6022+129.4600/+29.6028+129.4400/+29.6026+129.4200/+29.6000+129.4091/+29.5925+129.4000/+29.5945+129.3800/+29.5965+129.3600/+29.5984+129.3400/+29.6000+129.3208/+29.6000+129.3200/+29.6013+129.3000/+29.6015+129.2800/+29.6028+129.2600/+29.6044+129.2400/+29.6055+129.2200/+29.6068+129.2000/+29.6087+129.1800/+29.6113+129.1600/+29.6139+129.1400/+29.6163+129.1200/+29.6189+129.1000/+29.6200+129.0874/+29.6207+129.0800/+29.6227+129.0600/+29.6250+129.0400/+29.6276+129.0200/+29.6308+129.0000/+29.6347+128.9800/+29.6394+128.9600/+29.6400+128.9573/+29.6600+128.9482/+29.6633+128.9600/+29.6689+128.9800/+29.6732+129.0000/+29.6761+129.0200/+29.6783+129.0400/+29.6800+129.0589/+29.6801+129.0600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6514+129.6800/+29.6588+129.7000/+29.6586+129.7200/+29.6400+129.7386/+29.6214+129.7200/+29.6212+129.7000/+29.6286+129.6800/+29.6400+129.6640/+29.6514+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、５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。 　５日３時から５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 　０５日０３時から０６時まで　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０５日０６時から０９時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０５日０９時から１２時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０５日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０５日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１８時から２１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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。