2026-08-31T05:00:00Z 通常 気象庁本庁 気象庁 2026-08-31T14:00:00+09:00 2026-08-31T15:00:00+09:00 2026-09-01T09:00:00+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 2026-08-31T15:00:00+09:00 2026-08-31T18:00:00+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 +29.6699+129.7000/+29.6600+129.7099/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6384+129.6800/+29.6400+129.6779/+29.6508+129.6800/+29.6600+129.6814/+29.6699+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 +29.8013+129.0600/+29.8094+129.0800/+29.8145+129.1000/+29.8133+129.1200/+29.8123+129.1400/+29.8101+129.1600/+29.8064+129.1800/+29.8022+129.2000/+29.8000+129.2065/+29.7962+129.2200/+29.7935+129.2400/+29.7913+129.2600/+29.7895+129.2800/+29.7876+129.3000/+29.7856+129.3200/+29.7800+129.3306/+29.7748+129.3400/+29.7668+129.3600/+29.7600+129.3726/+29.7591+129.3800/+29.7569+129.4000/+29.7551+129.4200/+29.7400+129.4392/+29.7397+129.4400/+29.7372+129.4600/+29.7354+129.4800/+29.7278+129.5000/+29.7200+129.5121/+29.7195+129.5200/+29.7184+129.5400/+29.7165+129.5600/+29.7074+129.5800/+29.7000+129.5878/+29.6996+129.6000/+29.6994+129.6200/+29.6981+129.6400/+29.6800+129.6590/+29.6800+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6782+129.7200/+29.6600+129.7382/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6205+129.6400/+29.6219+129.6200/+29.6295+129.6000/+29.6400+129.5871/+29.6403+129.5800/+29.6410+129.5600/+29.6422+129.5400/+29.6446+129.5200/+29.6509+129.5000/+29.6600+129.4849/+29.6606+129.4800/+29.6623+129.4600/+29.6648+129.4400/+29.6687+129.4200/+29.6664+129.4000/+29.6722+129.3800/+29.6769+129.3600/+29.6800+129.3501/+29.6822+129.3400/+29.6899+129.3200/+29.6914+129.3000/+29.6972+129.2800/+29.7000+129.2687/+29.7028+129.2600/+29.7125+129.2400/+29.7200+129.2248/+29.7219+129.2200/+29.7249+129.2000/+29.7309+129.1800/+29.7389+129.1600/+29.7400+129.1573/+29.7534+129.1400/+29.7600+129.1295/+29.7680+129.1200/+29.7771+129.1000/+29.7800+129.0945/+29.7878+129.0800/+29.7986+129.0600/+29.8000+129.0570/+29.8013+129.0600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6655+129.7000/+29.6600+129.7055/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6351+129.6800/+29.6400+129.6737/+29.6520+129.6800/+29.6600+129.6872/+29.6655+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 +29.8436+129.1000/+29.8400+129.1196/+29.8399+129.1200/+29.8374+129.1400/+29.8354+129.1600/+29.8338+129.1800/+29.8329+129.2000/+29.8302+129.2200/+29.8261+129.2400/+29.8205+129.2600/+29.8200+129.2626/+29.8160+129.2800/+29.8061+129.3000/+29.8000+129.3075/+29.7974+129.3200/+29.7943+129.3400/+29.7905+129.3600/+29.7849+129.3800/+29.7800+129.3924/+29.7776+129.4000/+29.7664+129.4200/+29.7600+129.4246/+29.7559+129.4400/+29.7468+129.4600/+29.7400+129.4687/+29.7390+129.4800/+29.7373+129.5000/+29.7313+129.5200/+29.7200+129.5328/+29.7195+129.5400/+29.7187+129.5600/+29.7153+129.5800/+29.7000+129.5965/+29.6998+129.6000/+29.6996+129.6200/+29.6990+129.6400/+29.6800+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6782+129.7200/+29.6600+129.7382/+29.6400+129.7397/+29.6203+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/+29.6473+129.5600/+29.6600+129.5459/+29.6605+129.5400/+29.6614+129.5200/+29.6647+129.5000/+29.6775+129.4800/+29.6800+129.4766/+29.6813+129.4600/+29.6838+129.4400/+29.6899+129.4200/+29.6865+129.4000/+29.7000+129.3872/+29.7020+129.3800/+29.7041+129.3600/+29.7073+129.3400/+29.7139+129.3200/+29.7200+129.3064/+29.7222+129.3000/+29.7284+129.2800/+29.7326+129.2600/+29.7399+129.2400/+29.7400+129.2398/+29.7466+129.2200/+29.7600+129.2000/+29.7600+129.1999/+29.7669+129.1800/+29.7742+129.1600/+29.7800+129.1423/+29.7808+129.1400/+29.7875+129.1200/+29.7966+129.1000/+29.8000+129.0939/+29.8200+129.0924/+29.8400+129.0852/+29.8436+129.1000/ 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+129.6751/+29.6600+129.6739/+29.6642+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 +29.8622+129.1200/+29.8720+129.1400/+29.8724+129.1600/+29.8694+129.1800/+29.8673+129.2000/+29.8600+129.2169/+29.8582+129.2200/+29.8491+129.2400/+29.8403+129.2600/+29.8400+129.2604/+29.8345+129.2800/+29.8299+129.3000/+29.8252+129.3200/+29.8200+129.3377/+29.8192+129.3400/+29.8065+129.3600/+29.8000+129.3735/+29.7977+129.3800/+29.7928+129.4000/+29.7877+129.4200/+29.7800+129.4400/+29.7600+129.4546/+29.7584+129.4600/+29.7549+129.4800/+29.7427+129.5000/+29.7400+129.5034/+29.7379+129.5200/+29.7335+129.5400/+29.7200+129.5563/+29.7196+129.5600/+29.7181+129.5800/+29.7113+129.6000/+29.7000+129.6119/+29.6997+129.6200/+29.6992+129.6400/+29.6935+129.6600/+29.6800+129.6735/+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/+29.6201+129.6800/+29.6202+129.6600/+29.6211+129.6400/+29.6309+129.6200/+29.6400+129.6099/+29.6403+129.6000/+29.6412+129.5800/+29.6440+129.5600/+29.6552+129.5400/+29.6600+129.5341/+29.6613+129.5200/+29.6643+129.5000/+29.6712+129.4800/+29.6800+129.4684/+29.6815+129.4600/+29.6851+129.4400/+29.6917+129.4200/+29.6938+129.4000/+29.7000+129.3927/+29.7032+129.3800/+29.7071+129.3600/+29.7135+129.3400/+29.7200+129.3285/+29.7253+129.3200/+29.7302+129.3000/+29.7384+129.2800/+29.7400+129.2756/+29.7480+129.2600/+29.7600+129.2469/+29.7653+129.2400/+29.7723+129.2200/+29.7800+129.2003/+29.7802+129.2000/+29.7903+129.1800/+29.8000+129.1668/+29.8113+129.1600/+29.8200+129.1511/+29.8283+129.1400/+29.8400+129.1239/+29.8537+129.1200/+29.8600+129.1176/+29.8622+129.1200/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6631+129.6800/+29.6696+129.7000/+29.6600+129.7096/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6359+129.6800/+29.6400+129.6754/+29.6600+129.6755/+29.6631+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 +29.8609+129.1400/+29.8653+129.1600/+29.8661+129.1800/+29.8667+129.2000/+29.8611+129.2200/+29.8600+129.2238/+29.8546+129.2400/+29.8510+129.2600/+29.8429+129.2800/+29.8400+129.2852/+29.8362+129.3000/+29.8325+129.3200/+29.8277+129.3400/+29.8200+129.3486/+29.8133+129.3600/+29.8054+129.3800/+29.8000+129.3916/+29.7978+129.4000/+29.7931+129.4200/+29.7870+129.4400/+29.7800+129.4466/+29.7653+129.4600/+29.7600+129.4665/+29.7575+129.4800/+29.7512+129.5000/+29.7400+129.5137/+29.7392+129.5200/+29.7366+129.5400/+29.7200+129.5599/+29.7200+129.5600/+29.7191+129.5800/+29.7166+129.6000/+29.7000+129.6179/+29.6999+129.6200/+29.6997+129.6400/+29.6982+129.6600/+29.6800+129.6783/+29.6800+129.6800/+29.6799+129.7000/+29.6788+129.7200/+29.6600+129.7388/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6204+129.6600/+29.6353+129.6400/+29.6400+129.6353/+29.6403+129.6200/+29.6412+129.6000/+29.6514+129.5800/+29.6600+129.5706/+29.6606+129.5600/+29.6622+129.5400/+29.6702+129.5200/+29.6800+129.5077/+29.6809+129.5000/+29.6833+129.4800/+29.6903+129.4600/+29.7000+129.4479/+29.7017+129.4400/+29.7049+129.4200/+29.7054+129.4000/+29.7125+129.3800/+29.7200+129.3623/+29.7209+129.3600/+29.7282+129.3400/+29.7400+129.3208/+29.7404+129.3200/+29.7411+129.3000/+29.7576+129.2800/+29.7600+129.2764/+29.7662+129.2600/+29.7739+129.2400/+29.7800+129.2209/+29.7805+129.2200/+29.7951+129.2000/+29.8000+129.1933/+29.8195+129.1800/+29.8200+129.1795/+29.8331+129.1600/+29.8400+129.1439/+29.8539+129.1400/+29.8600+129.1382/+29.8609+129.1400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6615+129.6800/+29.6706+129.7000/+29.6600+129.7106/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6358+129.6800/+29.6400+129.6758/+29.6600+129.6778/+29.6615+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 +29.8637+129.1000/+29.8733+129.1200/+29.8769+129.1400/+29.8772+129.1600/+29.8762+129.1800/+29.8754+129.2000/+29.8695+129.2200/+29.8619+129.2400/+29.8600+129.2442/+29.8548+129.2600/+29.8454+129.2800/+29.8400+129.2880/+29.8366+129.3000/+29.8326+129.3200/+29.8295+129.3400/+29.8200+129.3505/+29.8151+129.3600/+29.8110+129.3800/+29.8032+129.4000/+29.8000+129.4054/+29.7962+129.4200/+29.7923+129.4400/+29.7800+129.4520/+29.7741+129.4600/+29.7600+129.4777/+29.7595+129.4800/+29.7572+129.5000/+29.7466+129.5200/+29.7400+129.5270/+29.7390+129.5400/+29.7366+129.5600/+29.7200+129.5781/+29.7198+129.5800/+29.7191+129.6000/+29.7138+129.6200/+29.7000+129.6339/+29.6998+129.6400/+29.6994+129.6600/+29.6800+129.6799/+29.6800+129.6800/+29.6799+129.7000/+29.6785+129.7200/+29.6600+129.7385/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6206+129.6600/+29.6400+129.6404/+29.6401+129.6400/+29.6404+129.6200/+29.6432+129.6000/+29.6600+129.5818/+29.6602+129.5800/+29.6613+129.5600/+29.6665+129.5400/+29.6800+129.5239/+29.6806+129.5200/+29.6827+129.5000/+29.6888+129.4800/+29.7000+129.4650/+29.7010+129.4600/+29.7051+129.4400/+29.7140+129.4200/+29.7091+129.4000/+29.7180+129.3800/+29.7200+129.3755/+29.7244+129.3600/+29.7315+129.3400/+29.7400+129.3244/+29.7419+129.3200/+29.7428+129.3000/+29.7600+129.2809/+29.7606+129.2800/+29.7666+129.2600/+29.7740+129.2400/+29.7775+129.2200/+29.7800+129.2115/+29.7859+129.2000/+29.7970+129.1800/+29.8000+129.1760/+29.8136+129.1600/+29.8200+129.1476/+29.8237+129.1400/+29.8329+129.1200/+29.8400+129.1068/+29.8543+129.1000/+29.8600+129.0956/+29.8637+129.1000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6649+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/+29.6352+129.6800/+29.6400+129.6752/+29.6600+129.6723/+29.6649+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１５時から１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 　３１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　３１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　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　　　　　 　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　　　　　 　 　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。