2026-08-31T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T05:00:00+09:00 2026-09-01T06:00:00+09:00 2026-09-02T00:00:00+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０９時から１２時までは火口から西方向、１日２１時から２４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 2026-09-01T06:00:00+09:00 2026-09-01T09:00:00+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 +29.6661+129.6800/+29.6694+129.7000/+29.6600+129.7094/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6320+129.6800/+29.6400+129.6717/+29.6600+129.6707/+29.6661+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T09:00:00+09:00 2026-09-01T12:00:00+09:00 降灰 70 +29.8607+129.0400/+29.8632+129.0600/+29.8627+129.0800/+29.8623+129.1000/+29.8600+129.1097/+29.8557+129.1200/+29.8495+129.1400/+29.8440+129.1600/+29.8400+129.1761/+29.8394+129.1800/+29.8373+129.2000/+29.8349+129.2200/+29.8317+129.2400/+29.8250+129.2600/+29.8218+129.2800/+29.8200+129.2860/+29.8143+129.3000/+29.8000+129.3186/+29.7996+129.3200/+29.7962+129.3400/+29.7925+129.3600/+29.7872+129.3800/+29.7800+129.3995/+29.7799+129.4000/+29.7716+129.4200/+29.7600+129.4284/+29.7570+129.4400/+29.7519+129.4600/+29.7400+129.4769/+29.7397+129.4800/+29.7382+129.5000/+29.7341+129.5200/+29.7200+129.5378/+29.7198+129.5400/+29.7191+129.5600/+29.7174+129.5800/+29.7000+129.5996/+29.7000+129.6000/+29.6997+129.6200/+29.6993+129.6400/+29.6909+129.6600/+29.6800+129.6709/+29.6799+129.6800/+29.6799+129.7000/+29.6778+129.7200/+29.6600+129.7378/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6216+129.6400/+29.6400+129.6211/+29.6401+129.6200/+29.6404+129.6000/+29.6412+129.5800/+29.6464+129.5600/+29.6600+129.5439/+29.6603+129.5400/+29.6613+129.5200/+29.6635+129.5000/+29.6749+129.4800/+29.6800+129.4734/+29.6812+129.4600/+29.6838+129.4400/+29.6891+129.4200/+29.6851+129.4000/+29.7000+129.3834/+29.7008+129.3800/+29.7033+129.3600/+29.7069+129.3400/+29.7129+129.3200/+29.7200+129.3025/+29.7208+129.3000/+29.7260+129.2800/+29.7295+129.2600/+29.7351+129.2400/+29.7400+129.2238/+29.7416+129.2200/+29.7541+129.2000/+29.7600+129.1866/+29.7622+129.1800/+29.7695+129.1600/+29.7765+129.1400/+29.7800+129.1290/+29.7833+129.1200/+29.7924+129.1000/+29.8000+129.0875/+29.8131+129.0800/+29.8200+129.0737/+29.8291+129.0600/+29.8379+129.0400/+29.8400+129.0357/+29.8600+129.0377/+29.8607+129.0400/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6674+129.6800/+29.6680+129.7000/+29.6600+129.7080/+29.6400+129.7191/+29.6212+129.7000/+29.6323+129.6800/+29.6400+129.6706/+29.6600+129.6692/+29.6674+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T12:00:00+09:00 2026-09-01T15:00:00+09:00 降灰 70 +29.8053+129.0200/+29.8110+129.0400/+29.8121+129.0600/+29.8103+129.0800/+29.8085+129.1000/+29.8098+129.1200/+29.8109+129.1400/+29.8092+129.1600/+29.8040+129.1800/+29.8000+129.1931/+29.7981+129.2000/+29.7948+129.2200/+29.7933+129.2400/+29.7913+129.2600/+29.7895+129.2800/+29.7878+129.3000/+29.7858+129.3200/+29.7800+129.3302/+29.7735+129.3400/+29.7647+129.3600/+29.7600+129.3664/+29.7584+129.3800/+29.7571+129.4000/+29.7557+129.4200/+29.7400+129.4369/+29.7387+129.4400/+29.7375+129.4600/+29.7346+129.4800/+29.7258+129.5000/+29.7200+129.5070/+29.7192+129.5200/+29.7183+129.5400/+29.7157+129.5600/+29.7000+129.5789/+29.6999+129.5800/+29.6996+129.6000/+29.6994+129.6200/+29.6972+129.6400/+29.6800+129.6576/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6776+129.7200/+29.6600+129.7376/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6201+129.6600/+29.6205+129.6400/+29.6241+129.6200/+29.6400+129.6019/+29.6401+129.6000/+29.6404+129.5800/+29.6412+129.5600/+29.6437+129.5400/+29.6542+129.5200/+29.6600+129.5119/+29.6606+129.5000/+29.6617+129.4800/+29.6641+129.4600/+29.6696+129.4400/+29.6796+129.4200/+29.6668+129.4000/+29.6715+129.3800/+29.6784+129.3600/+29.6800+129.3563/+29.6860+129.3400/+29.6986+129.3200/+29.6904+129.3000/+29.6944+129.2800/+29.6995+129.2600/+29.7000+129.2585/+29.7093+129.2400/+29.7200+129.2205/+29.7202+129.2200/+29.7211+129.2000/+29.7251+129.1800/+29.7300+129.1600/+29.7366+129.1400/+29.7400+129.1318/+29.7508+129.1200/+29.7600+129.1101/+29.7757+129.1000/+29.7800+129.0815/+29.7802+129.0800/+29.7826+129.0600/+29.7871+129.0400/+29.7949+129.0200/+29.8000+129.0076/+29.8053+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6613+129.6800/+29.6655+129.7000/+29.6600+129.7055/+29.6400+129.7188/+29.6212+129.7000/+29.6323+129.6800/+29.6400+129.6702/+29.6600+129.6776/+29.6613+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T15:00:00+09:00 2026-09-01T18:00:00+09:00 降灰 70 +29.8057+128.9800/+29.8129+129.0000/+29.8157+129.0200/+29.8177+129.0400/+29.8169+129.0600/+29.8134+129.0800/+29.8100+129.1000/+29.8065+129.1200/+29.8025+129.1400/+29.8000+129.1475/+29.7958+129.1600/+29.7910+129.1800/+29.7885+129.2000/+29.7868+129.2200/+29.7848+129.2400/+29.7822+129.2600/+29.7800+129.2739/+29.7789+129.2800/+29.7731+129.3000/+29.7634+129.3200/+29.7600+129.3227/+29.7564+129.3400/+29.7549+129.3600/+29.7528+129.3800/+29.7503+129.4000/+29.7459+129.4200/+29.7400+129.4258/+29.7331+129.4400/+29.7263+129.4600/+29.7200+129.4700/+29.7192+129.4800/+29.7182+129.5000/+29.7169+129.5200/+29.7131+129.5400/+29.7000+129.5581/+29.6999+129.5600/+29.6994+129.5800/+29.6991+129.6000/+29.6979+129.6200/+29.6861+129.6400/+29.6800+129.6462/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6775+129.7200/+29.6600+129.7375/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6206+129.6200/+29.6220+129.6000/+29.6252+129.5800/+29.6326+129.5600/+29.6400+129.5478/+29.6403+129.5400/+29.6414+129.5200/+29.6426+129.5000/+29.6453+129.4800/+29.6484+129.4600/+29.6537+129.4400/+29.6600+129.4296/+29.6615+129.4200/+29.6600+129.4095/+29.6544+129.4000/+29.6600+129.3868/+29.6616+129.3800/+29.6646+129.3600/+29.6686+129.3400/+29.6754+129.3200/+29.6800+129.3105/+29.6830+129.3000/+29.6873+129.2800/+29.6900+129.2600/+29.6938+129.2400/+29.6995+129.2200/+29.7000+129.2186/+29.7100+129.2000/+29.7168+129.1800/+29.7200+129.1680/+29.7223+129.1600/+29.7283+129.1400/+29.7361+129.1200/+29.7400+129.1125/+29.7539+129.1000/+29.7600+129.0872/+29.7646+129.0800/+29.7712+129.0600/+29.7765+129.0400/+29.7800+129.0294/+29.7829+129.0200/+29.7887+129.0000/+29.7960+128.9800/+29.8000+128.9705/+29.8057+128.9800/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6625+129.6800/+29.6600+129.6922/+29.6599+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6313+129.6800/+29.6400+129.6683/+29.6600+129.6755/+29.6625+129.6800/ 西 4 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 +29.8074+129.0200/+29.8146+129.0400/+29.8173+129.0600/+29.8183+129.0800/+29.8190+129.1000/+29.8193+129.1200/+29.8195+129.1400/+29.8175+129.1600/+29.8126+129.1800/+29.8064+129.2000/+29.8000+129.2108/+29.7968+129.2200/+29.7915+129.2400/+29.7886+129.2600/+29.7855+129.2800/+29.7831+129.3000/+29.7801+129.3200/+29.7800+129.3202/+29.7642+129.3400/+29.7600+129.3464/+29.7578+129.3600/+29.7557+129.3800/+29.7538+129.4000/+29.7510+129.4200/+29.7400+129.4312/+29.7355+129.4400/+29.7314+129.4600/+29.7200+129.4768/+29.7196+129.4800/+29.7184+129.5000/+29.7170+129.5200/+29.7130+129.5400/+29.7000+129.5563/+29.6998+129.5600/+29.6994+129.5800/+29.6990+129.6000/+29.6974+129.6200/+29.6800+129.6394/+29.6800+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6770+129.7200/+29.6600+129.7370/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6205+129.6200/+29.6213+129.6000/+29.6231+129.5800/+29.6279+129.5600/+29.6350+129.5400/+29.6400+129.5296/+29.6404+129.5200/+29.6419+129.5000/+29.6437+129.4800/+29.6472+129.4600/+29.6531+129.4400/+29.6599+129.4200/+29.6524+129.4000/+29.6600+129.3826/+29.6607+129.3800/+29.6644+129.3600/+29.6692+129.3400/+29.6746+129.3200/+29.6800+129.3073/+29.6820+129.3000/+29.6868+129.2800/+29.6905+129.2600/+29.6958+129.2400/+29.7000+129.2247/+29.7017+129.2200/+29.7105+129.2000/+29.7169+129.1800/+29.7200+129.1694/+29.7230+129.1600/+29.7301+129.1400/+29.7393+129.1200/+29.7400+129.1189/+29.7572+129.1000/+29.7600+129.0951/+29.7693+129.0800/+29.7787+129.0600/+29.7800+129.0568/+29.7864+129.0400/+29.7949+129.0200/+29.8000+129.0091/+29.8074+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6616+129.6800/+29.6621+129.7000/+29.6600+129.7021/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6312+129.6800/+29.6400+129.6681/+29.6600+129.6765/+29.6616+129.6800/ 北西 4 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 +29.8611+128.9600/+29.8607+128.9800/+29.8604+129.0000/+29.8600+129.0031/+29.8554+129.0200/+29.8523+129.0400/+29.8467+129.0600/+29.8400+129.0785/+29.8396+129.0800/+29.8359+129.1000/+29.8345+129.1200/+29.8335+129.1400/+29.8322+129.1600/+29.8302+129.1800/+29.8281+129.2000/+29.8243+129.2200/+29.8200+129.2267/+29.8104+129.2400/+29.8000+129.2555/+29.7990+129.2600/+29.7956+129.2800/+29.7938+129.3000/+29.7919+129.3200/+29.7840+129.3400/+29.7800+129.3513/+29.7777+129.3600/+29.7649+129.3800/+29.7600+129.3858/+29.7586+129.4000/+29.7573+129.4200/+29.7400+129.4380/+29.7392+129.4400/+29.7382+129.4600/+29.7363+129.4800/+29.7249+129.5000/+29.7200+129.5052/+29.7193+129.5200/+29.7188+129.5400/+29.7162+129.5600/+29.7000+129.5780/+29.6999+129.5800/+29.6997+129.6000/+29.6995+129.6200/+29.6979+129.6400/+29.6800+129.6581/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6763+129.7200/+29.6600+129.7363/+29.6400+129.7393/+29.6207+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6201+129.6600/+29.6207+129.6400/+29.6323+129.6200/+29.6400+129.6123/+29.6402+129.6000/+29.6405+129.5800/+29.6418+129.5600/+29.6500+129.5400/+29.6600+129.5286/+29.6605+129.5200/+29.6613+129.5000/+29.6634+129.4800/+29.6717+129.4600/+29.6800+129.4490/+29.6807+129.4400/+29.6821+129.4200/+29.6800+129.4102/+29.6703+129.4000/+29.6800+129.3813/+29.6807+129.3800/+29.6889+129.3600/+29.7000+129.3466/+29.7011+129.3400/+29.7044+129.3200/+29.7000+129.3050/+29.6957+129.3000/+29.7000+129.2893/+29.7062+129.2800/+29.7185+129.2600/+29.7200+129.2584/+29.7244+129.2400/+29.7275+129.2200/+29.7234+129.2000/+29.7309+129.1800/+29.7400+129.1657/+29.7448+129.1600/+29.7570+129.1400/+29.7600+129.1334/+29.7643+129.1200/+29.7704+129.1000/+29.7750+129.0800/+29.7800+129.0624/+29.7808+129.0600/+29.7880+129.0400/+29.7981+129.0200/+29.8000+129.0171/+29.8200+129.0064/+29.8248+129.0000/+29.8317+128.9800/+29.8359+128.9600/+29.8400+128.9433/+29.8600+128.9486/+29.8611+128.9600/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6661+129.6800/+29.6600+129.6968/+29.6599+129.7000/+29.6400+129.7188/+29.6212+129.7000/+29.6288+129.6800/+29.6400+129.6658/+29.6600+129.6685/+29.6661+129.6800/ 西 4 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０９時から１２時までは火口から西方向、１日２１時から２４時までは火口から西方向に降灰が予想されます。 　１日６時から１日２４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０６時から０９時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日０９時から１２時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日１５時から１８時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日２１時から２４時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　 　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。