2026-08-31T11:00:00Z 通常 気象庁本庁 気象庁 2026-08-31T20:00:00+09:00 2026-08-31T21:00:00+09:00 2026-09-01T15:00:00+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２１時から２４時までは火口から西方向、１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 2026-08-31T21:00:00+09:00 2026-09-01T00:00:00+09:00 降灰 70 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西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6610+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/+29.6339+129.6800/+29.6400+129.6725/+29.6600+129.6784/+29.6610+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 +29.8601+129.1000/+29.8600+129.1014/+29.8552+129.1200/+29.8537+129.1400/+29.8496+129.1600/+29.8441+129.1800/+29.8403+129.2000/+29.8400+129.2007/+29.8347+129.2200/+29.8313+129.2400/+29.8247+129.2600/+29.8206+129.2800/+29.8200+129.2823/+29.8150+129.3000/+29.8066+129.3200/+29.8000+129.3293/+29.7974+129.3400/+29.7929+129.3600/+29.7880+129.3800/+29.7800+129.3991/+29.7797+129.4000/+29.7713+129.4200/+29.7600+129.4293/+29.7568+129.4400/+29.7530+129.4600/+29.7400+129.4798/+29.7400+129.4800/+29.7380+129.5000/+29.7355+129.5200/+29.7238+129.5400/+29.7200+129.5445/+29.7191+129.5600/+29.7175+129.5800/+29.7061+129.6000/+29.7000+129.6060/+29.6997+129.6200/+29.6992+129.6400/+29.6927+129.6600/+29.6800+129.6727/+29.6799+129.6800/+29.6799+129.7000/+29.6782+129.7200/+29.6600+129.7382/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6212+129.6400/+29.6400+129.6203/+29.6400+129.6200/+29.6404+129.6000/+29.6411+129.5800/+29.6440+129.5600/+29.6600+129.5405/+29.6601+129.5400/+29.6612+129.5200/+29.6631+129.5000/+29.6680+129.4800/+29.6800+129.4633/+29.6805+129.4600/+29.6832+129.4400/+29.6862+129.4200/+29.6831+129.4000/+29.6987+129.3800/+29.7000+129.3782/+29.7029+129.3600/+29.7066+129.3400/+29.7119+129.3200/+29.7200+129.3000/+29.7273+129.2800/+29.7325+129.2600/+29.7400+129.2411/+29.7406+129.2400/+29.7494+129.2200/+29.7600+129.2066/+29.7665+129.2000/+29.7743+129.1800/+29.7800+129.1665/+29.7829+129.1600/+29.7928+129.1400/+29.8000+129.1289/+29.8200+129.1215/+29.8222+129.1200/+29.8350+129.1000/+29.8400+129.0919/+29.8600+129.0995/+29.8601+129.1000/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6620+129.6800/+29.6675+129.7000/+29.6600+129.7075/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6352+129.6800/+29.6400+129.6742/+29.6600+129.6769/+29.6620+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T03:00:00+09:00 2026-09-01T06:00:00+09:00 降灰 70 +29.8696+129.1400/+29.8710+129.1600/+29.8692+129.1800/+29.8678+129.2000/+29.8629+129.2200/+29.8600+129.2308/+29.8568+129.2400/+29.8515+129.2600/+29.8400+129.2781/+29.8393+129.2800/+29.8341+129.3000/+29.8307+129.3200/+29.8267+129.3400/+29.8200+129.3471/+29.8127+129.3600/+29.8061+129.3800/+29.8000+129.3927/+29.7979+129.4000/+29.7932+129.4200/+29.7872+129.4400/+29.7800+129.4469/+29.7639+129.4600/+29.7600+129.4649/+29.7581+129.4800/+29.7536+129.5000/+29.7400+129.5175/+29.7396+129.5200/+29.7381+129.5400/+29.7314+129.5600/+29.7200+129.5723/+29.7195+129.5800/+29.7189+129.6000/+29.7047+129.6200/+29.7000+129.6254/+29.6998+129.6400/+29.6990+129.6600/+29.6800+129.6793/+29.6800+129.6800/+29.6799+129.7000/+29.6787+129.7200/+29.6600+129.7387/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6205+129.6600/+29.6400+129.6402/+29.6400+129.6400/+29.6403+129.6200/+29.6418+129.6000/+29.6600+129.5802/+29.6600+129.5800/+29.6609+129.5600/+29.6634+129.5400/+29.6774+129.5200/+29.6800+129.5167/+29.6813+129.5000/+29.6846+129.4800/+29.6949+129.4600/+29.7000+129.4526/+29.7019+129.4400/+29.7075+129.4200/+29.7066+129.4000/+29.7140+129.3800/+29.7200+129.3677/+29.7228+129.3600/+29.7310+129.3400/+29.7400+129.3252/+29.7427+129.3200/+29.7455+129.3000/+29.7600+129.2855/+29.7638+129.2800/+29.7699+129.2600/+29.7771+129.2400/+29.7800+129.2268/+29.7824+129.2200/+29.7964+129.2000/+29.8000+129.1939/+29.8141+129.1800/+29.8200+129.1706/+29.8248+129.1600/+29.8334+129.1400/+29.8400+129.1284/+29.8600+129.1213/+29.8696+129.1400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6642+129.6800/+29.6687+129.7000/+29.6600+129.7087/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6357+129.6800/+29.6400+129.6757/+29.6600+129.6743/+29.6642+129.6800/ 北西 4 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 +29.8628+129.1000/+29.8755+129.1200/+29.8781+129.1400/+29.8768+129.1600/+29.8732+129.1800/+29.8702+129.2000/+29.8648+129.2200/+29.8600+129.2346/+29.8579+129.2400/+29.8520+129.2600/+29.8400+129.2772/+29.8391+129.2800/+29.8343+129.3000/+29.8303+129.3200/+29.8262+129.3400/+29.8200+129.3466/+29.8118+129.3600/+29.8047+129.3800/+29.8000+129.3897/+29.7976+129.4000/+29.7939+129.4200/+29.7889+129.4400/+29.7800+129.4488/+29.7623+129.4600/+29.7600+129.4625/+29.7577+129.4800/+29.7526+129.5000/+29.7400+129.5141/+29.7393+129.5200/+29.7379+129.5400/+29.7271+129.5600/+29.7200+129.5677/+29.7195+129.5800/+29.7185+129.6000/+29.7000+129.6198/+29.7000+129.6200/+29.6998+129.6400/+29.6991+129.6600/+29.6800+129.6792/+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/+29.6205+129.6600/+29.6400+129.6404/+29.6401+129.6400/+29.6404+129.6200/+29.6423+129.6000/+29.6600+129.5815/+29.6602+129.5800/+29.6610+129.5600/+29.6643+129.5400/+29.6800+129.5224/+29.6804+129.5200/+29.6819+129.5000/+29.6862+129.4800/+29.7000+129.4622/+29.7004+129.4600/+29.7032+129.4400/+29.7100+129.4200/+29.7070+129.4000/+29.7184+129.3800/+29.7200+129.3766/+29.7245+129.3600/+29.7311+129.3400/+29.7400+129.3206/+29.7402+129.3200/+29.7401+129.3000/+29.7575+129.2800/+29.7600+129.2768/+29.7660+129.2600/+29.7743+129.2400/+29.7792+129.2200/+29.7800+129.2180/+29.7955+129.2000/+29.8000+129.1921/+29.8098+129.1800/+29.8189+129.1600/+29.8200+129.1572/+29.8260+129.1400/+29.8356+129.1200/+29.8400+129.1119/+29.8585+129.1000/+29.8600+129.0988/+29.8628+129.1000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6636+129.6800/+29.6686+129.7000/+29.6600+129.7085/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6359+129.6800/+29.6400+129.6759/+29.6600+129.6750/+29.6636+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 +29.8402+129.1400/+29.8400+129.1450/+29.8394+129.1600/+29.8377+129.1800/+29.8370+129.2000/+29.8343+129.2200/+29.8327+129.2400/+29.8263+129.2600/+29.8225+129.2800/+29.8200+129.2910/+29.8176+129.3000/+29.8103+129.3200/+29.8000+129.3359/+29.7989+129.3400/+29.7946+129.3600/+29.7906+129.3800/+29.7844+129.4000/+29.7800+129.4110/+29.7774+129.4200/+29.7600+129.4366/+29.7591+129.4400/+29.7562+129.4600/+29.7486+129.4800/+29.7400+129.4910/+29.7387+129.5000/+29.7362+129.5200/+29.7287+129.5400/+29.7200+129.5502/+29.7193+129.5600/+29.7179+129.5800/+29.7107+129.6000/+29.7000+129.6112/+29.6997+129.6200/+29.6994+129.6400/+29.6954+129.6600/+29.6800+129.6755/+29.6799+129.6800/+29.6799+129.7000/+29.6783+129.7200/+29.6600+129.7383/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6215+129.6400/+29.6400+129.6205/+29.6401+129.6200/+29.6404+129.6000/+29.6412+129.5800/+29.6446+129.5600/+29.6584+129.5400/+29.6600+129.5381/+29.6612+129.5200/+29.6630+129.5000/+29.6689+129.4800/+29.6800+129.4602/+29.6800+129.4600/+29.6829+129.4400/+29.6844+129.4200/+29.6816+129.4000/+29.6984+129.3800/+29.7000+129.3768/+29.7022+129.3600/+29.7057+129.3400/+29.7117+129.3200/+29.7200+129.3002/+29.7201+129.3000/+29.7279+129.2800/+29.7330+129.2600/+29.7400+129.2407/+29.7403+129.2400/+29.7485+129.2200/+29.7600+129.2037/+29.7630+129.2000/+29.7703+129.1800/+29.7791+129.1600/+29.7800+129.1580/+29.7893+129.1400/+29.8000+129.1238/+29.8200+129.1246/+29.8400+129.1371/+29.8402+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6637+129.6800/+29.6644+129.7000/+29.6600+129.7044/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6354+129.6800/+29.6400+129.6747/+29.6600+129.6747/+29.6637+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 +29.8041+129.0800/+29.8131+129.1000/+29.8155+129.1200/+29.8173+129.1400/+29.8162+129.1600/+29.8123+129.1800/+29.8080+129.2000/+29.8009+129.2200/+29.8000+129.2211/+29.7945+129.2400/+29.7920+129.2600/+29.7899+129.2800/+29.7878+129.3000/+29.7854+129.3200/+29.7800+129.3303/+29.7745+129.3400/+29.7663+129.3600/+29.7600+129.3685/+29.7584+129.3800/+29.7565+129.4000/+29.7545+129.4200/+29.7400+129.4359/+29.7383+129.4400/+29.7359+129.4600/+29.7298+129.4800/+29.7200+129.4937/+29.7196+129.5000/+29.7186+129.5200/+29.7172+129.5400/+29.7108+129.5600/+29.7000+129.5721/+29.6997+129.5800/+29.6995+129.6000/+29.6991+129.6200/+29.6948+129.6400/+29.6800+129.6550/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6781+129.7200/+29.6600+129.7381/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6205+129.6400/+29.6247+129.6200/+29.6400+129.6038/+29.6402+129.6000/+29.6405+129.5800/+29.6412+129.5600/+29.6434+129.5400/+29.6515+129.5200/+29.6600+129.5097/+29.6608+129.5000/+29.6618+129.4800/+29.6640+129.4600/+29.6711+129.4400/+29.6800+129.4253/+29.6806+129.4200/+29.6800+129.4163/+29.6682+129.4000/+29.6723+129.3800/+29.6800+129.3610/+29.6803+129.3600/+29.6891+129.3400/+29.7000+129.3241/+29.7011+129.3200/+29.7000+129.3141/+29.6945+129.3000/+29.7000+129.2854/+29.7030+129.2800/+29.7119+129.2600/+29.7200+129.2493/+29.7241+129.2400/+29.7297+129.2200/+29.7315+129.2000/+29.7398+129.1800/+29.7400+129.1796/+29.7579+129.1600/+29.7600+129.1570/+29.7714+129.1400/+29.7799+129.1200/+29.7800+129.1199/+29.7870+129.1000/+29.7967+129.0800/+29.8000+129.0740/+29.8041+129.0800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6527+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6355+129.6800/+29.6400+129.6742/+29.6527+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、３１日２１時から２４時までは火口から西方向、１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。 　３１日２１時から１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 　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　　　　　 　０１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０１日０９時から１２時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０１日１２時から１５時まで　西　　　　　　　６０ｋｍ　　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。