2026-09-01T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T17:00:00+09:00 2026-09-01T18:00:00+09:00 2026-09-02T12:00:00+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 2026-09-01T18:00:00+09:00 2026-09-01T21:00:00+09:00 降灰 70 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西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6526+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6318+129.6800/+29.6400+129.6674/+29.6526+129.6800/ 西 3 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 +29.8025+128.9400/+29.8058+128.9600/+29.8095+128.9800/+29.8122+129.0000/+29.8127+129.0200/+29.8132+129.0400/+29.8127+129.0600/+29.8112+129.0800/+29.8096+129.1000/+29.8038+129.1200/+29.8000+129.1307/+29.7969+129.1400/+29.7925+129.1600/+29.7897+129.1800/+29.7880+129.2000/+29.7872+129.2200/+29.7857+129.2400/+29.7831+129.2600/+29.7800+129.2785/+29.7797+129.2800/+29.7733+129.3000/+29.7612+129.3200/+29.7600+129.3208/+29.7556+129.3400/+29.7538+129.3600/+29.7519+129.3800/+29.7483+129.4000/+29.7415+129.4200/+29.7400+129.4215/+29.7291+129.4400/+29.7200+129.4532/+29.7194+129.4600/+29.7187+129.4800/+29.7173+129.5000/+29.7145+129.5200/+29.7025+129.5400/+29.7000+129.5429/+29.6995+129.5600/+29.6993+129.5800/+29.6988+129.6000/+29.6963+129.6200/+29.6800+129.6375/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6768+129.7200/+29.6600+129.7368/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6206+129.6200/+29.6221+129.6000/+29.6276+129.5800/+29.6400+129.5640/+29.6402+129.5600/+29.6406+129.5400/+29.6413+129.5200/+29.6426+129.5000/+29.6459+129.4800/+29.6522+129.4600/+29.6600+129.4460/+29.6605+129.4400/+29.6618+129.4200/+29.6600+129.4092/+29.6530+129.4000/+29.6600+129.3844/+29.6610+129.3800/+29.6640+129.3600/+29.6679+129.3400/+29.6729+129.3200/+29.6800+129.3042/+29.6811+129.3000/+29.6844+129.2800/+29.6872+129.2600/+29.6913+129.2400/+29.6950+129.2200/+29.7000+129.2026/+29.7013+129.2000/+29.7113+129.1800/+29.7163+129.1600/+29.7200+129.1439/+29.7210+129.1400/+29.7255+129.1200/+29.7314+129.1000/+29.7390+129.0800/+29.7400+129.0777/+29.7551+129.0600/+29.7600+129.0523/+29.7694+129.0400/+29.7771+129.0200/+29.7800+129.0103/+29.7826+129.0000/+29.7884+128.9800/+29.7940+128.9600/+29.7978+128.9400/+29.8000+128.9202/+29.8025+128.9400/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6619+129.6800/+29.6655+129.7000/+29.6600+129.7055/+29.6400+129.7188/+29.6212+129.7000/+29.6298+129.6800/+29.6400+129.6658/+29.6600+129.6760/+29.6619+129.6800/ 北西 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 +29.7636+129.0600/+29.7695+129.0800/+29.7728+129.1000/+29.7744+129.1200/+29.7754+129.1400/+29.7753+129.1600/+29.7745+129.1800/+29.7737+129.2000/+29.7724+129.2200/+29.7699+129.2400/+29.7637+129.2600/+29.7600+129.2691/+29.7584+129.2800/+29.7562+129.3000/+29.7541+129.3200/+29.7505+129.3400/+29.7475+129.3600/+29.7418+129.3800/+29.7400+129.3866/+29.7384+129.4000/+29.7307+129.4200/+29.7200+129.4339/+29.7194+129.4400/+29.7179+129.4600/+29.7163+129.4800/+29.7139+129.5000/+29.7055+129.5200/+29.7000+129.5279/+29.6994+129.5400/+29.6989+129.5600/+29.6985+129.5800/+29.6970+129.6000/+29.6891+129.6200/+29.6800+129.6299/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6769+129.7200/+29.6600+129.7369/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6203+129.6200/+29.6207+129.6000/+29.6213+129.5800/+29.6226+129.5600/+29.6260+129.5400/+29.6316+129.5200/+29.6400+129.5043/+29.6402+129.5000/+29.6410+129.4800/+29.6417+129.4600/+29.6433+129.4400/+29.6461+129.4200/+29.6447+129.4000/+29.6475+129.3800/+29.6508+129.3600/+29.6562+129.3400/+29.6600+129.3293/+29.6623+129.3200/+29.6653+129.3000/+29.6647+129.2800/+29.6731+129.2600/+29.6800+129.2498/+29.6838+129.2400/+29.6876+129.2200/+29.6925+129.2000/+29.6953+129.1800/+29.7000+129.1714/+29.7078+129.1600/+29.7171+129.1400/+29.7200+129.1328/+29.7250+129.1200/+29.7325+129.1000/+29.7377+129.0800/+29.7400+129.0719/+29.7533+129.0600/+29.7600+129.0539/+29.7636+129.0600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6640+129.6800/+29.6600+129.6840/+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+129.6680/+29.6600+129.6726/+29.6640+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 +29.7476+129.0800/+29.7537+129.1000/+29.7504+129.1200/+29.7478+129.1400/+29.7466+129.1600/+29.7465+129.1800/+29.7464+129.2000/+29.7470+129.2200/+29.7470+129.2400/+29.7458+129.2600/+29.7446+129.2800/+29.7432+129.3000/+29.7400+129.3057/+29.7344+129.3200/+29.7321+129.3400/+29.7308+129.3600/+29.7305+129.3800/+29.7286+129.4000/+29.7200+129.4085/+29.7145+129.4200/+29.7114+129.4400/+29.7048+129.4600/+29.7000+129.4683/+29.6993+129.4800/+29.6986+129.5000/+29.6982+129.5200/+29.6976+129.5400/+29.6963+129.5600/+29.6914+129.5800/+29.6800+129.5952/+29.6799+129.6000/+29.6798+129.6200/+29.6798+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6775+129.7200/+29.6600+129.7374/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6201+129.6400/+29.6203+129.6200/+29.6205+129.6000/+29.6210+129.5800/+29.6217+129.5600/+29.6227+129.5400/+29.6247+129.5200/+29.6260+129.5000/+29.6283+129.4800/+29.6368+129.4600/+29.6400+129.4436/+29.6401+129.4400/+29.6412+129.4200/+29.6401+129.4000/+29.6419+129.3800/+29.6434+129.3600/+29.6453+129.3400/+29.6473+129.3200/+29.6513+129.3000/+29.6522+129.2800/+29.6551+129.2600/+29.6593+129.2400/+29.6600+129.2362/+29.6636+129.2200/+29.6694+129.2000/+29.6741+129.1800/+29.6792+129.1600/+29.6800+129.1567/+29.6846+129.1400/+29.6893+129.1200/+29.6949+129.1000/+29.7000+129.0872/+29.7190+129.0800/+29.7200+129.0795/+29.7400+129.0635/+29.7476+129.0800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6539+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6323+129.6800/+29.6400+129.6694/+29.6539+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 +29.7417+129.2200/+29.7403+129.2400/+29.7400+129.2462/+29.7393+129.2600/+29.7382+129.2800/+29.7349+129.3000/+29.7278+129.3200/+29.7272+129.3400/+29.7264+129.3600/+29.7252+129.3800/+29.7233+129.4000/+29.7200+129.4033/+29.7082+129.4200/+29.7053+129.4400/+29.7000+129.4535/+29.6997+129.4600/+29.6988+129.4800/+29.6985+129.5000/+29.6979+129.5200/+29.6975+129.5400/+29.6961+129.5600/+29.6924+129.5800/+29.6800+129.5980/+29.6800+129.6000/+29.6798+129.6200/+29.6798+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6774+129.7200/+29.6600+129.7374/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6201+129.6400/+29.6203+129.6200/+29.6206+129.6000/+29.6211+129.5800/+29.6221+129.5600/+29.6236+129.5400/+29.6271+129.5200/+29.6332+129.5000/+29.6400+129.4816/+29.6401+129.4800/+29.6407+129.4600/+29.6412+129.4400/+29.6416+129.4200/+29.6407+129.4000/+29.6423+129.3800/+29.6428+129.3600/+29.6438+129.3400/+29.6454+129.3200/+29.6472+129.3000/+29.6483+129.2800/+29.6508+129.2600/+29.6542+129.2400/+29.6561+129.2200/+29.6584+129.2000/+29.6600+129.1952/+29.6669+129.1800/+29.6714+129.1600/+29.6761+129.1400/+29.6800+129.1239/+29.6811+129.1200/+29.6873+129.1000/+29.6935+129.0800/+29.7000+129.0628/+29.7158+129.0800/+29.7200+129.0879/+29.7247+129.1000/+29.7307+129.1200/+29.7341+129.1400/+29.7364+129.1600/+29.7378+129.1800/+29.7388+129.2000/+29.7400+129.2072/+29.7417+129.2200/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6494+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6328+129.6800/+29.6400+129.6700/+29.6494+129.6800/ 西 3 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 +29.7204+129.1000/+29.7209+129.1200/+29.7214+129.1400/+29.7218+129.1600/+29.7222+129.1800/+29.7225+129.2000/+29.7200+129.2028/+29.7124+129.2200/+29.7129+129.2400/+29.7131+129.2600/+29.7133+129.2800/+29.7134+129.3000/+29.7082+129.3200/+29.7053+129.3400/+29.7008+129.3600/+29.7000+129.3627/+29.6993+129.3800/+29.6988+129.4000/+29.6967+129.4200/+29.6956+129.4400/+29.6948+129.4600/+29.6923+129.4800/+29.6870+129.5000/+29.6803+129.5200/+29.6800+129.5206/+29.6797+129.5400/+29.6795+129.5600/+29.6795+129.5800/+29.6796+129.6000/+29.6796+129.6200/+29.6797+129.6400/+29.6797+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6756+129.7200/+29.6600+129.7356/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6687/+29.6156+129.6600/+29.6128+129.6400/+29.6153+129.6200/+29.6195+129.6000/+29.6200+129.5974/+29.6201+129.5800/+29.6202+129.5600/+29.6205+129.5400/+29.6209+129.5200/+29.6213+129.5000/+29.6218+129.4800/+29.6229+129.4600/+29.6238+129.4400/+29.6257+129.4200/+29.6200+129.4045/+29.6156+129.4000/+29.6199+129.3800/+29.6200+129.3795/+29.6216+129.3600/+29.6238+129.3400/+29.6272+129.3200/+29.6314+129.3000/+29.6245+129.2800/+29.6297+129.2600/+29.6376+129.2400/+29.6400+129.2299/+29.6411+129.2200/+29.6436+129.2000/+29.6400+129.1897/+29.6338+129.1800/+29.6365+129.1600/+29.6397+129.1400/+29.6400+129.1382/+29.6449+129.1200/+29.6506+129.1000/+29.6574+129.0800/+29.6600+129.0732/+29.6664+129.0600/+29.6739+129.0400/+29.6787+129.0200/+29.6800+129.0147/+29.6835+129.0000/+29.6917+128.9800/+29.7000+128.9636/+29.7047+128.9800/+29.7094+129.0000/+29.7112+129.0200/+29.7128+129.0400/+29.7152+129.0600/+29.7180+129.0800/+29.7200+129.0968/+29.7204+129.1000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6490+129.6800/+29.6588+129.7000/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6310+129.6800/+29.6400+129.6670/+29.6490+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１８時から２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 　０１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　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　　３ｋｍ　　　　　 　０２日０９時から１２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。