2026-08-10T05:00:00Z 通常 気象庁本庁 気象庁 2026-08-10T14:00:00+09:00 2026-08-10T15:00:00+09:00 2026-08-11T09:00:00+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 2026-08-10T15:00:00+09:00 2026-08-10T18:00:00+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 +29.6542+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6352+129.6800/+29.6400+129.6741/+29.6542+129.6800/ 西 3 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 +29.8509+129.0600/+29.8508+129.0800/+29.8508+129.1000/+29.8447+129.1200/+29.8410+129.1400/+29.8400+129.1445/+29.8377+129.1600/+29.8352+129.1800/+29.8337+129.2000/+29.8312+129.2200/+29.8282+129.2400/+29.8226+129.2600/+29.8200+129.2744/+29.8189+129.2800/+29.8132+129.3000/+29.8038+129.3200/+29.8000+129.3253/+29.7967+129.3400/+29.7925+129.3600/+29.7890+129.3800/+29.7841+129.4000/+29.7800+129.4113/+29.7777+129.4200/+29.7600+129.4351/+29.7586+129.4400/+29.7557+129.4600/+29.7498+129.4800/+29.7400+129.4928/+29.7392+129.5000/+29.7375+129.5200/+29.7326+129.5400/+29.7200+129.5544/+29.7195+129.5600/+29.7188+129.5800/+29.7153+129.6000/+29.7000+129.6162/+29.6998+129.6200/+29.6996+129.6400/+29.6975+129.6600/+29.6800+129.6775/+29.6800+129.6800/+29.6799+129.7000/+29.6786+129.7200/+29.6600+129.7386/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6253+129.6400/+29.6400+129.6252/+29.6402+129.6200/+29.6408+129.6000/+29.6441+129.5800/+29.6600+129.5624/+29.6603+129.5600/+29.6612+129.5400/+29.6632+129.5200/+29.6725+129.5000/+29.6800+129.4909/+29.6812+129.4800/+29.6831+129.4600/+29.6877+129.4400/+29.7000+129.4230/+29.7006+129.4200/+29.7000+129.4000/+29.7035+129.3800/+29.7062+129.3600/+29.7107+129.3400/+29.7200+129.3201/+29.7201+129.3200/+29.7252+129.3000/+29.7299+129.2800/+29.7342+129.2600/+29.7400+129.2433/+29.7415+129.2400/+29.7487+129.2200/+29.7600+129.2021/+29.7614+129.2000/+29.7672+129.1800/+29.7732+129.1600/+29.7792+129.1400/+29.7800+129.1374/+29.7865+129.1200/+29.7969+129.1000/+29.8000+129.0947/+29.8200+129.0876/+29.8283+129.0800/+29.8364+129.0600/+29.8400+129.0491/+29.8509+129.0600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6504+129.6800/+29.6600+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6369+129.6800/+29.6400+129.6763/+29.6504+129.6800/ 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 +29.8414+129.1000/+29.8499+129.1200/+29.8519+129.1400/+29.8479+129.1600/+29.8420+129.1800/+29.8400+129.1899/+29.8387+129.2000/+29.8358+129.2200/+29.8344+129.2400/+29.8284+129.2600/+29.8257+129.2800/+29.8209+129.3000/+29.8200+129.3031/+29.8133+129.3200/+29.8000+129.3397/+29.7999+129.3400/+29.7960+129.3600/+29.7918+129.3800/+29.7869+129.4000/+29.7800+129.4171/+29.7791+129.4200/+29.7600+129.4348/+29.7586+129.4400/+29.7560+129.4600/+29.7484+129.4800/+29.7400+129.4901/+29.7390+129.5000/+29.7375+129.5200/+29.7305+129.5400/+29.7200+129.5515/+29.7194+129.5600/+29.7185+129.5800/+29.7127+129.6000/+29.7000+129.6130/+29.6998+129.6200/+29.6996+129.6400/+29.6970+129.6600/+29.6800+129.6771/+29.6800+129.6800/+29.6799+129.7000/+29.6788+129.7200/+29.6600+129.7388/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6268+129.6400/+29.6400+129.6267/+29.6402+129.6200/+29.6408+129.6000/+29.6446+129.5800/+29.6600+129.5633/+29.6604+129.5600/+29.6614+129.5400/+29.6645+129.5200/+29.6800+129.5010/+29.6802+129.5000/+29.6818+129.4800/+29.6847+129.4600/+29.6936+129.4400/+29.7000+129.4309/+29.7017+129.4200/+29.7019+129.4000/+29.7053+129.3800/+29.7091+129.3600/+29.7167+129.3400/+29.7200+129.3341/+29.7256+129.3200/+29.7295+129.3000/+29.7362+129.2800/+29.7400+129.2682/+29.7437+129.2600/+29.7600+129.2405/+29.7604+129.2400/+29.7675+129.2200/+29.7713+129.2000/+29.7780+129.1800/+29.7800+129.1752/+29.7875+129.1600/+29.8000+129.1403/+29.8016+129.1400/+29.8200+129.1337/+29.8334+129.1200/+29.8398+129.1000/+29.8400+129.0996/+29.8414+129.1000/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6597+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6800/+29.6597+129.7000/ 南西 1 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 +29.8536+129.1400/+29.8586+129.1600/+29.8563+129.1800/+29.8551+129.2000/+29.8468+129.2200/+29.8412+129.2400/+29.8400+129.2421/+29.8355+129.2600/+29.8319+129.2800/+29.8288+129.3000/+29.8256+129.3200/+29.8200+129.3380/+29.8192+129.3400/+29.8060+129.3600/+29.8000+129.3719/+29.7976+129.3800/+29.7939+129.4000/+29.7896+129.4200/+29.7811+129.4400/+29.7800+129.4411/+29.7600+129.4538/+29.7589+129.4600/+29.7563+129.4800/+29.7482+129.5000/+29.7400+129.5094/+29.7387+129.5200/+29.7358+129.5400/+29.7200+129.5588/+29.7199+129.5600/+29.7191+129.5800/+29.7164+129.6000/+29.7000+129.6174/+29.6998+129.6200/+29.6996+129.6400/+29.6981+129.6600/+29.6800+129.6782/+29.6800+129.6800/+29.6799+129.7000/+29.6790+129.7200/+29.6600+129.7390/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6204+129.6600/+29.6344+129.6400/+29.6400+129.6344/+29.6403+129.6200/+29.6413+129.6000/+29.6507+129.5800/+29.6600+129.5701/+29.6607+129.5600/+29.6622+129.5400/+29.6705+129.5200/+29.6800+129.5088/+29.6810+129.5000/+29.6838+129.4800/+29.6917+129.4600/+29.7000+129.4484/+29.7012+129.4400/+29.7040+129.4200/+29.7046+129.4000/+29.7101+129.3800/+29.7183+129.3600/+29.7200+129.3568/+29.7261+129.3400/+29.7329+129.3200/+29.7355+129.3000/+29.7400+129.2890/+29.7454+129.2800/+29.7563+129.2600/+29.7600+129.2557/+29.7672+129.2400/+29.7734+129.2200/+29.7796+129.2000/+29.7800+129.1988/+29.7890+129.1800/+29.8000+129.1649/+29.8147+129.1600/+29.8200+129.1564/+29.8338+129.1400/+29.8400+129.1295/+29.8536+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6598+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6803/+29.6598+129.7000/ 南西 1 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 +29.8003+129.2000/+29.8000+129.2012/+29.7908+129.2200/+29.7912+129.2400/+29.7889+129.2600/+29.7874+129.2800/+29.7866+129.3000/+29.7860+129.3200/+29.7800+129.3357/+29.7786+129.3400/+29.7743+129.3600/+29.7657+129.3800/+29.7600+129.3906/+29.7588+129.4000/+29.7567+129.4200/+29.7462+129.4400/+29.7400+129.4485/+29.7385+129.4600/+29.7361+129.4800/+29.7329+129.5000/+29.7200+129.5160/+29.7195+129.5200/+29.7187+129.5400/+29.7171+129.5600/+29.7089+129.5800/+29.7000+129.5898/+29.6996+129.6000/+29.6994+129.6200/+29.6981+129.6400/+29.6800+129.6593/+29.6800+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6790+129.7200/+29.6600+129.7390/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6202+129.6600/+29.6212+129.6400/+29.6361+129.6200/+29.6400+129.6158/+29.6404+129.6000/+29.6410+129.5800/+29.6428+129.5600/+29.6502+129.5400/+29.6600+129.5267/+29.6606+129.5200/+29.6619+129.5000/+29.6648+129.4800/+29.6705+129.4600/+29.6800+129.4402/+29.6800+129.4400/+29.6820+129.4200/+29.6800+129.4090/+29.6738+129.4000/+29.6800+129.3833/+29.6809+129.3800/+29.6876+129.3600/+29.6985+129.3400/+29.7000+129.3368/+29.7030+129.3200/+29.7009+129.3000/+29.7135+129.2800/+29.7200+129.2647/+29.7222+129.2600/+29.7306+129.2400/+29.7358+129.2200/+29.7389+129.2000/+29.7400+129.1979/+29.7600+129.1827/+29.7800+129.1855/+29.8000+129.1977/+29.8003+129.2000/ 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+129.6804/+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 +29.8065+129.2000/+29.8104+129.2200/+29.8154+129.2400/+29.8117+129.2600/+29.8082+129.2800/+29.8002+129.3000/+29.8000+129.3005/+29.7953+129.3200/+29.7923+129.3400/+29.7897+129.3600/+29.7868+129.3800/+29.7800+129.3999/+29.7800+129.4000/+29.7743+129.4200/+29.7600+129.4365/+29.7591+129.4400/+29.7551+129.4600/+29.7525+129.4800/+29.7423+129.5000/+29.7400+129.5034/+29.7377+129.5200/+29.7346+129.5400/+29.7226+129.5600/+29.7200+129.5632/+29.7184+129.5800/+29.7153+129.6000/+29.7000+129.6187/+29.6999+129.6200/+29.6993+129.6400/+29.6976+129.6600/+29.6800+129.6783/+29.6800+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/+29.6221+129.6400/+29.6400+129.6208/+29.6401+129.6200/+29.6406+129.6000/+29.6418+129.5800/+29.6457+129.5600/+29.6600+129.5405/+29.6601+129.5400/+29.6616+129.5200/+29.6638+129.5000/+29.6697+129.4800/+29.6800+129.4617/+29.6803+129.4600/+29.6833+129.4400/+29.6880+129.4200/+29.6885+129.4000/+29.7000+129.3846/+29.7017+129.3800/+29.7055+129.3600/+29.7104+129.3400/+29.7184+129.3200/+29.7200+129.3157/+29.7278+129.3000/+29.7361+129.2800/+29.7400+129.2689/+29.7438+129.2600/+29.7557+129.2400/+29.7600+129.2296/+29.7800+129.2213/+29.7818+129.2200/+29.7921+129.2000/+29.8000+129.1897/+29.8065+129.2000/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6595+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6805/+29.6595+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に降灰が予想されます。 　１０日１５時から１１日９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１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　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　　１ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　１１日０３時から０６時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　１１日０６時から０９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。