2026-08-30T23:00:00Z 通常 気象庁本庁 気象庁 2026-08-31T08:00:00+09:00 2026-08-31T09:00:00+09:00 2026-09-01T03:00:00+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、３１日０９時から１２時までは火口から西方向、３１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 2026-08-31T09:00:00+09:00 2026-08-31T12:00:00+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 +29.6718+129.7000/+29.6600+129.7118/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6803/+29.6600+129.6841/+29.6718+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-31T12:00:00+09:00 2026-08-31T15:00:00+09:00 降灰 70 +29.8611+129.1800/+29.8626+129.2000/+29.8600+129.2113/+29.8568+129.2200/+29.8525+129.2400/+29.8499+129.2600/+29.8411+129.2800/+29.8400+129.2817/+29.8328+129.3000/+29.8270+129.3200/+29.8211+129.3400/+29.8200+129.3412/+29.8090+129.3600/+29.8024+129.3800/+29.8000+129.3847/+29.7950+129.4000/+29.7886+129.4200/+29.7803+129.4400/+29.7800+129.4403/+29.7600+129.4578/+29.7594+129.4600/+29.7551+129.4800/+29.7457+129.5000/+29.7400+129.5069/+29.7381+129.5200/+29.7340+129.5400/+29.7200+129.5594/+29.7199+129.5600/+29.7183+129.5800/+29.7136+129.6000/+29.7000+129.6146/+29.6998+129.6200/+29.6994+129.6400/+29.6949+129.6600/+29.6800+129.6750/+29.6799+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/+29.6202+129.6600/+29.6222+129.6400/+29.6400+129.6217/+29.6401+129.6200/+29.6406+129.6000/+29.6421+129.5800/+29.6510+129.5600/+29.6600+129.5494/+29.6608+129.5400/+29.6626+129.5200/+29.6681+129.5000/+29.6800+129.4837/+29.6807+129.4800/+29.6832+129.4600/+29.6898+129.4400/+29.7000+129.4231/+29.7007+129.4200/+29.7011+129.4000/+29.7056+129.3800/+29.7113+129.3600/+29.7200+129.3420/+29.7211+129.3400/+29.7295+129.3200/+29.7357+129.3000/+29.7400+129.2918/+29.7493+129.2800/+29.7600+129.2637/+29.7627+129.2600/+29.7754+129.2400/+29.7800+129.2285/+29.7850+129.2200/+29.8000+129.2001/+29.8006+129.2000/+29.8200+129.1907/+29.8324+129.1800/+29.8400+129.1693/+29.8600+129.1708/+29.8611+129.1800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6677+129.7000/+29.6600+129.7077/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6801/+29.6600+129.6826/+29.6677+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-31T15:00:00+09:00 2026-08-31T18:00:00+09:00 降灰 70 +29.8243+129.1600/+29.8269+129.1800/+29.8282+129.2000/+29.8274+129.2200/+29.8275+129.2400/+29.8209+129.2600/+29.8200+129.2633/+29.8151+129.2800/+29.8065+129.3000/+29.8000+129.3102/+29.7972+129.3200/+29.7932+129.3400/+29.7888+129.3600/+29.7800+129.3800/+29.7747+129.4000/+29.7644+129.4200/+29.7600+129.4236/+29.7546+129.4400/+29.7470+129.4600/+29.7400+129.4711/+29.7388+129.4800/+29.7358+129.5000/+29.7300+129.5200/+29.7200+129.5329/+29.7192+129.5400/+29.7176+129.5600/+29.7127+129.5800/+29.7000+129.5948/+29.6997+129.6000/+29.6994+129.6200/+29.6980+129.6400/+29.6800+129.6594/+29.6800+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6784+129.7200/+29.6600+129.7384/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6205+129.6400/+29.6226+129.6200/+29.6339+129.6000/+29.6400+129.5929/+29.6405+129.5800/+29.6414+129.5600/+29.6433+129.5400/+29.6492+129.5200/+29.6600+129.5029/+29.6603+129.5000/+29.6621+129.4800/+29.6648+129.4600/+29.6719+129.4400/+29.6800+129.4270/+29.6816+129.4200/+29.6800+129.4084/+29.6756+129.4000/+29.6800+129.3901/+29.6838+129.3800/+29.6942+129.3600/+29.7000+129.3520/+29.7036+129.3400/+29.7093+129.3200/+29.7136+129.3000/+29.7200+129.2929/+29.7263+129.2800/+29.7325+129.2600/+29.7400+129.2424/+29.7413+129.2400/+29.7500+129.2200/+29.7600+129.2078/+29.7688+129.2000/+29.7773+129.1800/+29.7800+129.1740/+29.7864+129.1600/+29.7973+129.1400/+29.8000+129.1361/+29.8092+129.1400/+29.8200+129.1508/+29.8243+129.1600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6675+129.7000/+29.6600+129.7075/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6386+129.6800/+29.6400+129.6782/+29.6498+129.6800/+29.6600+129.6822/+29.6675+129.7000/ 西 3 鹿児島県十島村 4630400 2026-08-31T18:00:00+09:00 2026-08-31T21:00:00+09:00 降灰 70 +29.8255+129.1200/+29.8308+129.1400/+29.8301+129.1600/+29.8275+129.1800/+29.8255+129.2000/+29.8245+129.2200/+29.8239+129.2400/+29.8200+129.2535/+29.8185+129.2600/+29.8131+129.2800/+29.8062+129.3000/+29.8000+129.3124/+29.7985+129.3200/+29.7944+129.3400/+29.7903+129.3600/+29.7853+129.3800/+29.7804+129.4000/+29.7800+129.4013/+29.7757+129.4200/+29.7600+129.4328/+29.7581+129.4400/+29.7546+129.4600/+29.7440+129.4800/+29.7400+129.4846/+29.7384+129.5000/+29.7360+129.5200/+29.7233+129.5400/+29.7200+129.5437/+29.7191+129.5600/+29.7177+129.5800/+29.7075+129.6000/+29.7000+129.6077/+29.6997+129.6200/+29.6993+129.6400/+29.6946+129.6600/+29.6800+129.6746/+29.6799+129.6800/+29.6799+129.7000/+29.6785+129.7200/+29.6600+129.7385/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6211+129.6400/+29.6264+129.6200/+29.6400+129.6046/+29.6403+129.6000/+29.6410+129.5800/+29.6426+129.5600/+29.6465+129.5400/+29.6590+129.5200/+29.6600+129.5183/+29.6617+129.5000/+29.6644+129.4800/+29.6700+129.4600/+29.6800+129.4403/+29.6801+129.4400/+29.6835+129.4200/+29.6811+129.4000/+29.6898+129.3800/+29.7000+129.3609/+29.7002+129.3600/+29.7049+129.3400/+29.7105+129.3200/+29.7145+129.3000/+29.7200+129.2922/+29.7246+129.2800/+29.7302+129.2600/+29.7376+129.2400/+29.7400+129.2332/+29.7463+129.2200/+29.7600+129.2037/+29.7651+129.2000/+29.7710+129.1800/+29.7758+129.1600/+29.7800+129.1450/+29.7815+129.1400/+29.7905+129.1200/+29.8000+129.1040/+29.8200+129.1124/+29.8255+129.1200/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6635+129.7000/+29.6600+129.7035/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6368+129.6800/+29.6400+129.6758/+29.6525+129.6800/+29.6600+129.6870/+29.6635+129.7000/ 西 3 鹿児島県十島村 4630400 2026-08-31T21:00:00+09:00 2026-09-01T00:00:00+09:00 降灰 70 +29.8608+129.1000/+29.8600+129.1101/+29.8575+129.1200/+29.8554+129.1400/+29.8502+129.1600/+29.8444+129.1800/+29.8408+129.2000/+29.8400+129.2040/+29.8381+129.2200/+29.8368+129.2400/+29.8302+129.2600/+29.8275+129.2800/+29.8221+129.3000/+29.8200+129.3056/+29.8123+129.3200/+29.8000+129.3367/+29.7991+129.3400/+29.7947+129.3600/+29.7903+129.3800/+29.7850+129.4000/+29.7800+129.4124/+29.7776+129.4200/+29.7600+129.4339/+29.7583+129.4400/+29.7551+129.4600/+29.7453+129.4800/+29.7400+129.4859/+29.7384+129.5000/+29.7357+129.5200/+29.7216+129.5400/+29.7200+129.5418/+29.7191+129.5600/+29.7176+129.5800/+29.7066+129.6000/+29.7000+129.6067/+29.6997+129.6200/+29.6994+129.6400/+29.6936+129.6600/+29.6800+129.6736/+29.6799+129.6800/+29.6799+129.7000/+29.6785+129.7200/+29.6600+129.7385/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6222+129.6400/+29.6400+129.6219/+29.6402+129.6200/+29.6405+129.6000/+29.6419+129.5800/+29.6506+129.5600/+29.6600+129.5492/+29.6606+129.5400/+29.6621+129.5200/+29.6670+129.5000/+29.6800+129.4829/+29.6805+129.4800/+29.6824+129.4600/+29.6854+129.4400/+29.6959+129.4200/+29.6962+129.4000/+29.7000+129.3959/+29.7029+129.3800/+29.7059+129.3600/+29.7111+129.3400/+29.7200+129.3223/+29.7211+129.3200/+29.7264+129.3000/+29.7324+129.2800/+29.7371+129.2600/+29.7400+129.2512/+29.7451+129.2400/+29.7585+129.2200/+29.7600+129.2178/+29.7692+129.2000/+29.7761+129.1800/+29.7800+129.1713/+29.7861+129.1600/+29.7987+129.1400/+29.8000+129.1380/+29.8200+129.1290/+29.8282+129.1200/+29.8359+129.1000/+29.8400+129.0910/+29.8600+129.0966/+29.8608+129.1000/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6626+129.6800/+29.6721+129.7000/+29.6600+129.7121/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6354+129.6800/+29.6400+129.6749/+29.6600+129.6761/+29.6626+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T00:00:00+09:00 2026-09-01T03:00:00+09:00 降灰 70 +29.8632+129.1000/+29.8703+129.1200/+29.8729+129.1400/+29.8721+129.1600/+29.8696+129.1800/+29.8675+129.2000/+29.8600+129.2177/+29.8587+129.2200/+29.8494+129.2400/+29.8400+129.2585/+29.8396+129.2600/+29.8334+129.2800/+29.8292+129.3000/+29.8246+129.3200/+29.8200+129.3351/+29.8181+129.3400/+29.8052+129.3600/+29.8000+129.3702/+29.7970+129.3800/+29.7928+129.4000/+29.7872+129.4200/+29.7800+129.4333/+29.7728+129.4400/+29.7600+129.4489/+29.7582+129.4600/+29.7550+129.4800/+29.7438+129.5000/+29.7400+129.5050/+29.7382+129.5200/+29.7331+129.5400/+29.7200+129.5564/+29.7197+129.5600/+29.7184+129.5800/+29.7135+129.6000/+29.7000+129.6147/+29.6998+129.6200/+29.6994+129.6400/+29.6957+129.6600/+29.6800+129.6757/+29.6799+129.6800/+29.6799+129.7000/+29.6785+129.7200/+29.6600+129.7385/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6221+129.6400/+29.6400+129.6217/+29.6402+129.6200/+29.6405+129.6000/+29.6419+129.5800/+29.6501+129.5600/+29.6600+129.5487/+29.6607+129.5400/+29.6623+129.5200/+29.6678+129.5000/+29.6800+129.4827/+29.6804+129.4800/+29.6826+129.4600/+29.6890+129.4400/+29.7000+129.4243/+29.7011+129.4200/+29.7011+129.4000/+29.7047+129.3800/+29.7094+129.3600/+29.7188+129.3400/+29.7200+129.3378/+29.7278+129.3200/+29.7323+129.3000/+29.7400+129.2834/+29.7423+129.2800/+29.7538+129.2600/+29.7600+129.2538/+29.7677+129.2400/+29.7735+129.2200/+29.7800+129.2009/+29.7805+129.2000/+29.7908+129.1800/+29.8000+129.1684/+29.8120+129.1600/+29.8200+129.1497/+29.8257+129.1400/+29.8358+129.1200/+29.8400+129.1112/+29.8564+129.1000/+29.8600+129.0977/+29.8632+129.1000/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6607+129.6800/+29.6700+129.7000/+29.6600+129.7100/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6360+129.6800/+29.6400+129.6754/+29.6600+129.6790/+29.6607+129.6800/ 北西 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、３１日０９時から１２時までは火口から西方向、３１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。 　３１日９時から１日３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 　３１日０９時から１２時まで　西　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日１２時から１５時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　３１日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　３１日２１時から２４時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０１日００時から０３時まで　西　　　　　　　６０ｋｍ　　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。