2026-08-10T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-10T17:00:00+09:00 2026-08-10T18:00:00+09:00 2026-08-11T12:00:00+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、１０日２１時から２４時までは火口から西方向、１１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 2026-08-10T18:00:00+09:00 2026-08-10T21:00:00+09:00 降灰 70 +29.8056+129.0600/+29.8111+129.0800/+29.8146+129.1000/+29.8159+129.1200/+29.8169+129.1400/+29.8170+129.1600/+29.8164+129.1800/+29.8160+129.2000/+29.8104+129.2200/+29.8000+129.2329/+29.7976+129.2400/+29.7953+129.2600/+29.7936+129.2800/+29.7912+129.3000/+29.7887+129.3200/+29.7800+129.3387/+29.7795+129.3400/+29.7750+129.3600/+29.7646+129.3800/+29.7600+129.3874/+29.7586+129.4000/+29.7569+129.4200/+29.7445+129.4400/+29.7400+129.4467/+29.7384+129.4600/+29.7358+129.4800/+29.7288+129.5000/+29.7200+129.5123/+29.7194+129.5200/+29.7183+129.5400/+29.7157+129.5600/+29.7000+129.5793/+29.6999+129.5800/+29.6996+129.6000/+29.6992+129.6200/+29.6968+129.6400/+29.6800+129.6573/+29.6799+129.6600/+29.6799+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/+29.6200+129.6800/+29.6201+129.6600/+29.6205+129.6400/+29.6238+129.6200/+29.6400+129.6030/+29.6402+129.6000/+29.6405+129.5800/+29.6415+129.5600/+29.6449+129.5400/+29.6600+129.5209/+29.6601+129.5200/+29.6611+129.5000/+29.6628+129.4800/+29.6667+129.4600/+29.6800+129.4400/+29.6800+129.4399/+29.6818+129.4200/+29.6800+129.4114/+29.6704+129.4000/+29.6766+129.3800/+29.6800+129.3714/+29.6836+129.3600/+29.6951+129.3400/+29.7000+129.3340/+29.7032+129.3200/+29.7000+129.3074/+29.6956+129.3000/+29.7000+129.2866/+29.7031+129.2800/+29.7125+129.2600/+29.7200+129.2508/+29.7245+129.2400/+29.7284+129.2200/+29.7264+129.2000/+29.7339+129.1800/+29.7400+129.1691/+29.7500+129.1600/+29.7600+129.1489/+29.7688+129.1400/+29.7795+129.1200/+29.7800+129.1189/+29.7868+129.1000/+29.7916+129.0800/+29.7966+129.0600/+29.8000+129.0496/+29.8056+129.0600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6626+129.7000/+29.6600+129.7026/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6352+129.6800/+29.6400+129.6734/+29.6532+129.6800/+29.6600+129.6903/+29.6626+129.7000/ 西 3 鹿児島県十島村 4630400 2026-08-10T21:00:00+09:00 2026-08-11T00:00:00+09:00 降灰 70 +29.8242+129.1600/+29.8293+129.1800/+29.8309+129.2000/+29.8295+129.2200/+29.8288+129.2400/+29.8238+129.2600/+29.8209+129.2800/+29.8200+129.2841/+29.8155+129.3000/+29.8069+129.3200/+29.8000+129.3328/+29.7986+129.3400/+29.7956+129.3600/+29.7917+129.3800/+29.7867+129.4000/+29.7800+129.4188/+29.7797+129.4200/+29.7645+129.4400/+29.7600+129.4436/+29.7580+129.4600/+29.7545+129.4800/+29.7442+129.5000/+29.7400+129.5062/+29.7387+129.5200/+29.7361+129.5400/+29.7247+129.5600/+29.7200+129.5653/+29.7190+129.5800/+29.7168+129.6000/+29.7005+129.6200/+29.7000+129.6205/+29.6996+129.6400/+29.6984+129.6600/+29.6800+129.6789/+29.6800+129.6800/+29.6799+129.7000/+29.6789+129.7200/+29.6600+129.7389/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6256+129.6400/+29.6400+129.6254/+29.6403+129.6200/+29.6409+129.6000/+29.6445+129.5800/+29.6600+129.5620/+29.6602+129.5600/+29.6613+129.5400/+29.6639+129.5200/+29.6752+129.5000/+29.6800+129.4937/+29.6815+129.4800/+29.6848+129.4600/+29.6924+129.4400/+29.7000+129.4264/+29.7010+129.4200/+29.7015+129.4000/+29.7055+129.3800/+29.7092+129.3600/+29.7161+129.3400/+29.7200+129.3324/+29.7256+129.3200/+29.7300+129.3000/+29.7357+129.2800/+29.7400+129.2652/+29.7419+129.2600/+29.7536+129.2400/+29.7600+129.2293/+29.7661+129.2200/+29.7729+129.2000/+29.7800+129.1811/+29.7805+129.1800/+29.7907+129.1600/+29.8000+129.1445/+29.8200+129.1545/+29.8242+129.1600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6450+129.6800/+29.6600+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6392+129.6800/+29.6400+129.6792/+29.6450+129.6800/ 西 3 鹿児島県十島村 4630400 2026-08-11T00:00:00+09:00 2026-08-11T03:00:00+09:00 降灰 70 +29.8203+129.1800/+29.8281+129.2000/+29.8291+129.2200/+29.8313+129.2400/+29.8268+129.2600/+29.8240+129.2800/+29.8215+129.3000/+29.8200+129.3111/+29.8188+129.3200/+29.8115+129.3400/+29.8015+129.3600/+29.8000+129.3632/+29.7957+129.3800/+29.7916+129.4000/+29.7865+129.4200/+29.7800+129.4341/+29.7759+129.4400/+29.7600+129.4546/+29.7591+129.4600/+29.7557+129.4800/+29.7466+129.5000/+29.7400+129.5079/+29.7385+129.5200/+29.7356+129.5400/+29.7200+129.5578/+29.7197+129.5600/+29.7188+129.5800/+29.7155+129.6000/+29.7000+129.6163/+29.6998+129.6200/+29.6995+129.6400/+29.6974+129.6600/+29.6800+129.6775/+29.6800+129.6800/+29.6799+129.7000/+29.6791+129.7200/+29.6600+129.7391/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6264+129.6400/+29.6400+129.6262/+29.6403+129.6200/+29.6410+129.6000/+29.6457+129.5800/+29.6600+129.5639/+29.6605+129.5600/+29.6619+129.5400/+29.6660+129.5200/+29.6800+129.5026/+29.6805+129.5000/+29.6822+129.4800/+29.6864+129.4600/+29.6963+129.4400/+29.7000+129.4340/+29.7022+129.4200/+29.7032+129.4000/+29.7082+129.3800/+29.7137+129.3600/+29.7200+129.3460/+29.7226+129.3400/+29.7314+129.3200/+29.7341+129.3000/+29.7400+129.2833/+29.7415+129.2800/+29.7496+129.2600/+29.7600+129.2449/+29.7635+129.2400/+29.7748+129.2200/+29.7800+129.2070/+29.7832+129.2000/+29.7925+129.1800/+29.8000+129.1676/+29.8200+129.1797/+29.8203+129.1800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6631+129.7000/+29.6600+129.7031/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6803/+29.6600+129.6927/+29.6631+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-11T03:00:00+09:00 2026-08-11T06:00:00+09:00 降灰 70 +29.8028+129.2400/+29.8034+129.2600/+29.8040+129.2800/+29.8000+129.2906/+29.7976+129.3000/+29.7945+129.3200/+29.7920+129.3400/+29.7897+129.3600/+29.7860+129.3800/+29.7800+129.3969/+29.7792+129.4000/+29.7728+129.4200/+29.7600+129.4318/+29.7576+129.4400/+29.7531+129.4600/+29.7466+129.4800/+29.7400+129.4888/+29.7382+129.5000/+29.7349+129.5200/+29.7251+129.5400/+29.7200+129.5459/+29.7189+129.5600/+29.7170+129.5800/+29.7059+129.6000/+29.7000+129.6063/+29.6996+129.6200/+29.6991+129.6400/+29.6943+129.6600/+29.6800+129.6744/+29.6799+129.6800/+29.6799+129.7000/+29.6793+129.7200/+29.6600+129.7393/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6230+129.6400/+29.6400+129.6222/+29.6402+129.6200/+29.6407+129.6000/+29.6422+129.5800/+29.6483+129.5600/+29.6600+129.5447/+29.6605+129.5400/+29.6618+129.5200/+29.6645+129.5000/+29.6708+129.4800/+29.6800+129.4641/+29.6807+129.4600/+29.6839+129.4400/+29.6870+129.4200/+29.6858+129.4000/+29.6995+129.3800/+29.7000+129.3792/+29.7037+129.3600/+29.7081+129.3400/+29.7152+129.3200/+29.7200+129.3070/+29.7236+129.3000/+29.7329+129.2800/+29.7400+129.2629/+29.7416+129.2600/+29.7563+129.2400/+29.7600+129.2345/+29.7800+129.2347/+29.8000+129.2324/+29.8028+129.2400/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6594+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-08-11T06:00:00+09:00 2026-08-11T09:00:00+09:00 降灰 70 +29.7478+129.2800/+29.7540+129.3000/+29.7581+129.3200/+29.7568+129.3400/+29.7565+129.3600/+29.7563+129.3800/+29.7550+129.4000/+29.7542+129.4200/+29.7501+129.4400/+29.7461+129.4600/+29.7400+129.4734/+29.7390+129.4800/+29.7363+129.5000/+29.7330+129.5200/+29.7228+129.5400/+29.7200+129.5441/+29.7190+129.5600/+29.7178+129.5800/+29.7123+129.6000/+29.7000+129.6144/+29.6997+129.6200/+29.6993+129.6400/+29.6970+129.6600/+29.6800+129.6774/+29.6800+129.6800/+29.6799+129.7000/+29.6794+129.7200/+29.6600+129.7394/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6229+129.6400/+29.6400+129.6206/+29.6401+129.6200/+29.6406+129.6000/+29.6418+129.5800/+29.6444+129.5600/+29.6512+129.5400/+29.6567+129.5200/+29.6600+129.5130/+29.6612+129.5000/+29.6627+129.4800/+29.6647+129.4600/+29.6691+129.4400/+29.6703+129.4200/+29.6692+129.4000/+29.6736+129.3800/+29.6794+129.3600/+29.6800+129.3573/+29.6829+129.3400/+29.6845+129.3200/+29.6944+129.3000/+29.7000+129.2863/+29.7030+129.2800/+29.7135+129.2600/+29.7200+129.2510/+29.7345+129.2600/+29.7400+129.2659/+29.7478+129.2800/ 西 40 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6591+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6808/+29.6591+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-08-11T09:00:00+09:00 2026-08-11T12:00:00+09:00 降灰 70 +29.7805+129.2800/+29.7818+129.3000/+29.7827+129.3200/+29.7800+129.3331/+29.7788+129.3400/+29.7771+129.3600/+29.7756+129.3800/+29.7751+129.4000/+29.7732+129.4200/+29.7670+129.4400/+29.7600+129.4496/+29.7576+129.4600/+29.7576+129.4800/+29.7534+129.5000/+29.7496+129.5200/+29.7400+129.5379/+29.7397+129.5400/+29.7375+129.5600/+29.7320+129.5800/+29.7200+129.5941/+29.7192+129.6000/+29.7170+129.6200/+29.7000+129.6392/+29.6999+129.6400/+29.6994+129.6600/+29.6946+129.6800/+29.6800+129.6946/+29.6800+129.7000/+29.6795+129.7200/+29.6600+129.7395/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6205+129.6600/+29.6248+129.6400/+29.6400+129.6225/+29.6402+129.6200/+29.6411+129.6000/+29.6430+129.5800/+29.6477+129.5600/+29.6556+129.5400/+29.6600+129.5324/+29.6615+129.5200/+29.6636+129.5000/+29.6678+129.4800/+29.6709+129.4600/+29.6800+129.4436/+29.6812+129.4400/+29.6848+129.4200/+29.6824+129.4000/+29.6879+129.3800/+29.6974+129.3600/+29.7000+129.3549/+29.7050+129.3400/+29.7099+129.3200/+29.7143+129.3000/+29.7200+129.2898/+29.7292+129.2800/+29.7400+129.2670/+29.7458+129.2600/+29.7600+129.2429/+29.7723+129.2600/+29.7800+129.2784/+29.7805+129.2800/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6807/+29.6594+129.7000/ 南西 1 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、１０日２１時から２４時までは火口から西方向、１１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。 　１０日１８時から１１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 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１１日０３時から０６時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１１日０６時から０９時まで　西　　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　１１日０９時から１２時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　 　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。