2026-10-09T11:00:00Z 通常 気象庁本庁 気象庁 2026-10-09T20:00:00+09:00 2026-10-09T21:00:00+09:00 2026-10-10T15:00:00+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、９日２１時から２４時までは火口から西方向、１０日０９時から１２時までは火口から北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 2026-10-09T21:00:00+09:00 2026-10-10T00:00:00+09:00 降灰 70 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西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6611+129.7000/+29.6600+129.7011/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6208+129.7000/+29.6400+129.6801/+29.6600+129.6961/+29.6611+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-10T00:00:00+09:00 2026-10-10T03:00:00+09:00 降灰 70 +29.9029+129.3600/+29.9083+129.3800/+29.9133+129.4000/+29.9096+129.4200/+29.9077+129.4400/+29.9033+129.4600/+29.9000+129.4692/+29.8967+129.4800/+29.8908+129.5000/+29.8872+129.5200/+29.8800+129.5372/+29.8782+129.5400/+29.8713+129.5600/+29.8600+129.5791/+29.8593+129.5800/+29.8428+129.6000/+29.8400+129.6030/+29.8246+129.6200/+29.8200+129.6236/+29.8000+129.6347/+29.7928+129.6400/+29.7800+129.6504/+29.7693+129.6600/+29.7600+129.6673/+29.7400+129.6765/+29.7353+129.6800/+29.7200+129.6919/+29.7002+129.7000/+29.7000+129.7002/+29.6800+129.7195/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6214+129.6600/+29.6400+129.6403/+29.6401+129.6400/+29.6412+129.6200/+29.6447+129.6000/+29.6600+129.5805/+29.6601+129.5800/+29.6628+129.5600/+29.6679+129.5400/+29.6800+129.5212/+29.6804+129.5200/+29.6828+129.5000/+29.6893+129.4800/+29.6982+129.4600/+29.7000+129.4562/+29.7040+129.4400/+29.7122+129.4200/+29.7187+129.4000/+29.7200+129.3976/+29.7336+129.3800/+29.7400+129.3651/+29.7418+129.3600/+29.7470+129.3400/+29.7534+129.3200/+29.7600+129.3076/+29.7800+129.3011/+29.7819+129.3000/+29.7970+129.2800/+29.8000+129.2702/+29.8059+129.2800/+29.8174+129.3000/+29.8200+129.3043/+29.8302+129.3200/+29.8400+129.3297/+29.8576+129.3200/+29.8600+129.3189/+29.8800+129.3128/+29.8898+129.3200/+29.8981+129.3400/+29.9000+129.3469/+29.9029+129.3600/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6762+129.7000/+29.6730+129.7200/+29.6600+129.7330/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6804/+29.6600+129.6822/+29.6762+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-10T03:00:00+09:00 2026-10-10T06:00:00+09:00 降灰 70 +30.0179+129.5600/+30.0000+129.5629/+29.9925+129.5800/+29.9812+129.6000/+29.9800+129.6007/+29.9600+129.6101/+29.9400+129.6177/+29.9368+129.6200/+29.9200+129.6300/+29.9000+129.6338/+29.8883+129.6400/+29.8800+129.6457/+29.8600+129.6523/+29.8400+129.6582/+29.8349+129.6600/+29.8200+129.6701/+29.8000+129.6758/+29.7800+129.6784/+29.7760+129.6800/+29.7600+129.6923/+29.7400+129.6963/+29.7249+129.7000/+29.7200+129.7045/+29.7000+129.7170/+29.6800+129.7198/+29.6799+129.7200/+29.6600+129.7398/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6207+129.6800/+29.6400+129.6607/+29.6407+129.6600/+29.6600+129.6403/+29.6603+129.6400/+29.6687+129.6200/+29.6800+129.6084/+29.6854+129.6000/+29.7000+129.5844/+29.7048+129.5800/+29.7200+129.5637/+29.7232+129.5600/+29.7400+129.5424/+29.7442+129.5400/+29.7600+129.5249/+29.7665+129.5200/+29.7800+129.5032/+29.7846+129.5000/+29.8000+129.4894/+29.8200+129.4813/+29.8221+129.4800/+29.8385+129.4600/+29.8400+129.4586/+29.8600+129.4448/+29.8674+129.4400/+29.8800+129.4316/+29.9000+129.4239/+29.9121+129.4200/+29.9200+129.4170/+29.9400+129.4158/+29.9587+129.4000/+29.9600+129.3991/+29.9635+129.4000/+29.9631+129.4200/+29.9630+129.4400/+29.9600+129.4435/+29.9491+129.4600/+29.9426+129.4800/+29.9400+129.4825/+29.9274+129.5000/+29.9200+129.5125/+29.9149+129.5200/+29.9039+129.5400/+29.9000+129.5448/+29.8800+129.5563/+29.8749+129.5600/+29.8800+129.5659/+29.9000+129.5656/+29.9200+129.5635/+29.9300+129.5600/+29.9400+129.5548/+29.9600+129.5513/+29.9800+129.5521/+30.0000+129.5577/+30.0179+129.5600/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6752+129.7000/+29.6743+129.7200/+29.6600+129.7343/+29.6400+129.7388/+29.6212+129.7200/+29.6218+129.7000/+29.6400+129.6818/+29.6600+129.6846/+29.6752+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-10T06:00:00+09:00 2026-10-10T09:00:00+09:00 降灰 70 +30.0027+129.3200/+30.0110+129.3400/+30.0055+129.3600/+30.0000+129.3659/+29.9907+129.3800/+29.9800+129.3992/+29.9796+129.4000/+29.9602+129.4200/+29.9600+129.4202/+29.9477+129.4400/+29.9400+129.4546/+29.9356+129.4600/+29.9200+129.4733/+29.9148+129.4800/+29.9000+129.4960/+29.8969+129.5000/+29.8800+129.5179/+29.8787+129.5200/+29.8600+129.5377/+29.8581+129.5400/+29.8436+129.5600/+29.8400+129.5648/+29.8259+129.5800/+29.8200+129.5856/+29.8089+129.6000/+29.8200+129.6183/+29.8400+129.6051/+29.8600+129.6047/+29.8800+129.6187/+29.9000+129.6189/+29.9008+129.6200/+29.9050+129.6400/+29.9000+129.6433/+29.8800+129.6499/+29.8600+129.6574/+29.8552+129.6600/+29.8400+129.6693/+29.8200+129.6750/+29.8021+129.6800/+29.8000+129.6809/+29.7800+129.6894/+29.7600+129.6963/+29.7526+129.7000/+29.7400+129.7074/+29.7200+129.7151/+29.7000+129.7182/+29.6902+129.7200/+29.6800+129.7274/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6207+129.6800/+29.6400+129.6607/+29.6405+129.6600/+29.6600+129.6404/+29.6604+129.6400/+29.6722+129.6200/+29.6800+129.6122/+29.6848+129.6000/+29.7000+129.5845/+29.7034+129.5800/+29.7200+129.5625/+29.7221+129.5600/+29.7400+129.5407/+29.7406+129.5400/+29.7541+129.5200/+29.7600+129.5132/+29.7686+129.5000/+29.7800+129.4884/+29.7889+129.4800/+29.7977+129.4600/+29.8000+129.4570/+29.8200+129.4427/+29.8239+129.4400/+29.8385+129.4200/+29.8400+129.4183/+29.8600+129.4011/+29.8617+129.4000/+29.8800+129.3836/+29.8859+129.3800/+29.9000+129.3705/+29.9137+129.3600/+29.9200+129.3532/+29.9400+129.3410/+29.9424+129.3400/+29.9600+129.3310/+29.9800+129.3271/+29.9956+129.3200/+30.0000+129.3162/+30.0027+129.3200/ +29.8030+129.6200/+29.8000+129.6201/+29.7998+129.6200/+29.8000+129.6196/+29.8030+129.6200/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6758+129.7000/+29.6726+129.7200/+29.6600+129.7326/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6828/+29.6758+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-10T09:00:00+09:00 2026-10-10T12:00:00+09:00 降灰 70 +30.0278+129.3000/+30.0200+129.3112/+30.0149+129.3200/+30.0057+129.3400/+30.0000+129.3484/+29.9932+129.3600/+29.9800+129.3795/+29.9797+129.3800/+29.9600+129.3982/+29.9589+129.4000/+29.9468+129.4200/+29.9400+129.4282/+29.9271+129.4400/+29.9200+129.4462/+29.9113+129.4600/+29.9000+129.4745/+29.8960+129.4800/+29.8800+129.4928/+29.8753+129.5000/+29.8653+129.5200/+29.8600+129.5242/+29.8400+129.5323/+29.8337+129.5400/+29.8200+129.5535/+29.8153+129.5600/+29.8000+129.5756/+29.7970+129.5800/+29.7800+129.5980/+29.7789+129.6000/+29.7600+129.6199/+29.7599+129.6200/+29.7600+129.6212/+29.7800+129.6243/+29.7941+129.6200/+29.8000+129.6146/+29.8200+129.6068/+29.8400+129.6030/+29.8537+129.6000/+29.8600+129.5939/+29.8800+129.5872/+29.9000+129.5809/+29.9139+129.6000/+29.9000+129.6139/+29.8988+129.6200/+29.8800+129.6316/+29.8600+129.6370/+29.8565+129.6400/+29.8400+129.6493/+29.8200+129.6527/+29.8000+129.6597/+29.7997+129.6600/+29.7800+129.6737/+29.7623+129.6800/+29.7600+129.6820/+29.7400+129.6953/+29.7200+129.6997/+29.7196+129.7000/+29.7000+129.7167/+29.6800+129.7195/+29.6798+129.7200/+29.6600+129.7397/+29.6400+129.7398/+29.6201+129.7200/+29.6200+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6403+129.6600/+29.6600+129.6401/+29.6601+129.6400/+29.6652+129.6200/+29.6800+129.6051/+29.6823+129.6000/+29.7000+129.5816/+29.7012+129.5800/+29.7182+129.5600/+29.7200+129.5582/+29.7285+129.5400/+29.7400+129.5278/+29.7453+129.5200/+29.7600+129.5035/+29.7626+129.5000/+29.7800+129.4801/+29.7801+129.4800/+29.7891+129.4600/+29.8000+129.4447/+29.8064+129.4400/+29.8200+129.4248/+29.8239+129.4200/+29.8400+129.4015/+29.8418+129.4000/+29.8562+129.3800/+29.8600+129.3750/+29.8800+129.3606/+29.8811+129.3600/+29.9000+129.3416/+29.9021+129.3400/+29.9200+129.3292/+29.9357+129.3200/+29.9400+129.3161/+29.9600+129.3072/+29.9712+129.3000/+29.9800+129.2927/+29.9947+129.2800/+30.0000+129.2752/+30.0115+129.2800/+30.0200+129.2867/+30.0278+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6756+129.7000/+29.6600+129.7153/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6822/+29.6756+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-10T12:00:00+09:00 2026-10-10T15:00:00+09:00 降灰 70 +30.0100+129.2800/+30.0198+129.3000/+30.0064+129.3200/+30.0000+129.3289/+29.9929+129.3400/+29.9836+129.3600/+29.9800+129.3649/+29.9694+129.3800/+29.9600+129.3898/+29.9555+129.4000/+29.9439+129.4200/+29.9400+129.4246/+29.9200+129.4394/+29.9196+129.4400/+29.9095+129.4600/+29.9000+129.4719/+29.8933+129.4800/+29.8800+129.4897/+29.8726+129.5000/+29.8600+129.5187/+29.8581+129.5200/+29.8400+129.5298/+29.8325+129.5400/+29.8200+129.5527/+29.8131+129.5600/+29.8000+129.5728/+29.7958+129.5800/+29.7800+129.5968/+29.7780+129.6000/+29.7600+129.6185/+29.7592+129.6200/+29.7400+129.6395/+29.7398+129.6400/+29.7400+129.6468/+29.7600+129.6478/+29.7800+129.6479/+29.8000+129.6415/+29.8200+129.6421/+29.8228+129.6400/+29.8400+129.6293/+29.8600+129.6291/+29.8800+129.6311/+29.9000+129.6294/+29.9110+129.6400/+29.9000+129.6500/+29.8943+129.6600/+29.8820+129.6800/+29.8800+129.6808/+29.8600+129.6888/+29.8400+129.6928/+29.8200+129.6994/+29.8169+129.7000/+29.8000+129.7034/+29.7800+129.7076/+29.7600+129.7108/+29.7400+129.7143/+29.7200+129.7171/+29.7000+129.7189/+29.6945+129.7200/+29.6800+129.7312/+29.6600+129.7396/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6402+129.6600/+29.6579+129.6400/+29.6600+129.6379/+29.6633+129.6200/+29.6800+129.6032/+29.6815+129.6000/+29.7000+129.5806/+29.7005+129.5800/+29.7111+129.5600/+29.7200+129.5508/+29.7247+129.5400/+29.7400+129.5236/+29.7429+129.5200/+29.7600+129.5002/+29.7602+129.5000/+29.7749+129.4800/+29.7800+129.4745/+29.7866+129.4600/+29.8000+129.4407/+29.8010+129.4400/+29.8199+129.4200/+29.8200+129.4199/+29.8340+129.4000/+29.8400+129.3924/+29.8510+129.3800/+29.8600+129.3699/+29.8784+129.3600/+29.8800+129.3583/+29.8948+129.3400/+29.9000+129.3351/+29.9200+129.3205/+29.9212+129.3200/+29.9400+129.3056/+29.9493+129.3000/+29.9600+129.2929/+29.9800+129.2845/+29.9883+129.2800/+30.0000+129.2723/+30.0100+129.2800/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6760+129.7000/+29.6600+129.7160/+29.6589+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6806/+29.6760+129.7000/ 北西 2 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、９日２１時から２４時までは火口から西方向、１０日０９時から１２時までは火口から北西方向に降灰が予想されます。 　９日２１時から１０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 　０９日２１時から２４時まで　西　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１０日００時から０３時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１０日０３時から０６時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１０日０６時から０９時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１０日０９時から１２時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日１２時から１５時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　 　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。