2026-10-07T17:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T02:00:00+09:00 2026-10-08T03:00:00+09:00 2026-10-08T21:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、８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 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-10-08T03:00:00+09:00 2026-10-08T06:00:00+09:00 降灰 70 +30.8187+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3358/+30.7642+130.3200/+30.7600+130.3000/+30.7600+130.2987/+30.7414+130.2800/+30.7402+130.2600/+30.7400+130.2495/+30.7307+130.2400/+30.7217+130.2200/+30.7202+130.2000/+30.7200+130.1975/+30.7061+130.1800/+30.7020+130.1600/+30.7000+130.1431/+30.6978+130.1400/+30.6844+130.1200/+30.6802+130.1000/+30.6800+130.0990/+30.6705+130.0800/+30.6669+130.0600/+30.6644+130.0400/+30.6600+130.0246/+30.6560+130.0200/+30.6511+130.0000/+30.6487+129.9800/+30.6483+129.9600/+30.6467+129.9400/+30.6438+129.9200/+30.6600+129.9023/+30.6672+129.9000/+30.6800+129.8941/+30.6881+129.9000/+30.7000+129.9079/+30.7117+129.9200/+30.7200+129.9282/+30.7274+129.9400/+30.7368+129.9600/+30.7400+129.9690/+30.7445+129.9800/+30.7437+130.0000/+30.7552+130.0200/+30.7562+130.0400/+30.7589+130.0600/+30.7600+130.0667/+30.7665+130.0800/+30.7734+130.1000/+30.7771+130.1200/+30.7789+130.1400/+30.7799+130.1600/+30.7800+130.1604/+30.7942+130.1800/+30.7982+130.2000/+30.7995+130.2200/+30.7999+130.2400/+30.8000+130.2407/+30.8187+130.2600/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8068+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3153/+30.7647+130.3000/+30.7751+130.2800/+30.7800+130.2741/+30.8000+130.2732/+30.8068+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T06:00:00+09:00 2026-10-08T09:00:00+09:00 降灰 70 +30.8188+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8138+130.3200/+30.8000+130.3338/+30.7800+130.3306/+30.7694+130.3200/+30.7601+130.3000/+30.7600+130.2988/+30.7412+130.2800/+30.7402+130.2600/+30.7400+130.2514/+30.7287+130.2400/+30.7216+130.2200/+30.7204+130.2000/+30.7200+130.1962/+30.7065+130.1800/+30.7025+130.1600/+30.7010+130.1400/+30.7000+130.1301/+30.6945+130.1200/+30.6895+130.1000/+30.6873+130.0800/+30.6854+130.0600/+30.6834+130.0400/+30.6800+130.0280/+30.6746+130.0200/+30.6739+130.0000/+30.6736+129.9800/+30.6724+129.9600/+30.6716+129.9400/+30.6712+129.9200/+30.6707+129.9000/+30.6752+129.8800/+30.6733+129.8600/+30.6713+129.8400/+30.6710+129.8200/+30.6718+129.8000/+30.6800+129.7839/+30.6836+129.7800/+30.6940+129.7600/+30.7000+129.7513/+30.7072+129.7600/+30.7200+129.7788/+30.7206+129.7800/+30.7361+129.8000/+30.7400+129.8120/+30.7423+129.8200/+30.7470+129.8400/+30.7503+129.8600/+30.7526+129.8800/+30.7573+129.9000/+30.7600+129.9156/+30.7609+129.9200/+30.7635+129.9400/+30.7670+129.9600/+30.7702+129.9800/+30.7665+130.0000/+30.7699+130.0200/+30.7730+130.0400/+30.7750+130.0600/+30.7766+130.0800/+30.7783+130.1000/+30.7791+130.1200/+30.7800+130.1398/+30.7801+130.1400/+30.7932+130.1600/+30.7969+130.1800/+30.7988+130.2000/+30.7996+130.2200/+30.8000+130.2400/+30.8000+130.2402/+30.8188+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8058+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3163/+30.7637+130.3000/+30.7726+130.2800/+30.7800+130.2711/+30.8000+130.2742/+30.8058+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T09:00:00+09:00 2026-10-08T12:00:00+09:00 降灰 70 +30.8157+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8145+130.3200/+30.8000+130.3345/+30.7800+130.3320/+30.7680+130.3200/+30.7600+130.3000/+30.7600+130.2994/+30.7407+130.2800/+30.7401+130.2600/+30.7400+130.2568/+30.7235+130.2400/+30.7206+130.2200/+30.7200+130.2111/+30.7095+130.2000/+30.7021+130.1800/+30.7002+130.1600/+30.7000+130.1586/+30.6862+130.1400/+30.6821+130.1200/+30.6800+130.1073/+30.6751+130.1000/+30.6666+130.0800/+30.6621+130.0600/+30.6600+130.0445/+30.6566+130.0400/+30.6440+130.0200/+30.6400+130.0001/+30.6400+130.0000/+30.6341+129.9800/+30.6303+129.9600/+30.6286+129.9400/+30.6251+129.9200/+30.6232+129.9000/+30.6211+129.8800/+30.6224+129.8600/+30.6244+129.8400/+30.6280+129.8200/+30.6400+129.8002/+30.6600+129.8104/+30.6637+129.8200/+30.6739+129.8400/+30.6800+129.8439/+30.6890+129.8600/+30.6964+129.8800/+30.7000+129.8864/+30.7053+129.9000/+30.7128+129.9200/+30.7164+129.9400/+30.7200+129.9595/+30.7202+129.9600/+30.7293+129.9800/+30.7334+130.0000/+30.7373+130.0200/+30.7395+130.0400/+30.7400+130.0424/+30.7498+130.0600/+30.7549+130.0800/+30.7582+130.1000/+30.7600+130.1167/+30.7621+130.1200/+30.7728+130.1400/+30.7778+130.1600/+30.7794+130.1800/+30.7800+130.1857/+30.7924+130.2000/+30.7988+130.2200/+30.7998+130.2400/+30.8000+130.2442/+30.8157+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8074+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3157/+30.7643+130.3000/+30.7739+130.2800/+30.7800+130.2725/+30.8000+130.2726/+30.8074+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T12:00:00+09:00 2026-10-08T15:00:00+09:00 降灰 70 +30.8182+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8140+130.3200/+30.8000+130.3340/+30.7800+130.3314/+30.7686+130.3200/+30.7601+130.3000/+30.7600+130.2974/+30.7426+130.2800/+30.7402+130.2600/+30.7401+130.2400/+30.7400+130.2387/+30.7225+130.2200/+30.7206+130.2000/+30.7200+130.1897/+30.7110+130.1800/+30.7024+130.1600/+30.7005+130.1400/+30.7000+130.1366/+30.6864+130.1200/+30.6825+130.1000/+30.6800+130.0800/+30.6800+130.0798/+30.6669+130.0600/+30.6625+130.0400/+30.6600+130.0312/+30.6489+130.0200/+30.6431+130.0000/+30.6400+129.9845/+30.6386+129.9800/+30.6320+129.9600/+30.6279+129.9400/+30.6218+129.9200/+30.6212+129.9000/+30.6205+129.8800/+30.6243+129.8600/+30.6308+129.8400/+30.6337+129.8200/+30.6400+129.8089/+30.6598+129.8200/+30.6600+129.8203/+30.6800+129.8366/+30.6814+129.8400/+30.6987+129.8600/+30.7000+129.8620/+30.7093+129.8800/+30.7153+129.9000/+30.7200+129.9170/+30.7211+129.9200/+30.7291+129.9400/+30.7347+129.9600/+30.7388+129.9800/+30.7379+130.0000/+30.7400+130.0100/+30.7453+130.0200/+30.7512+130.0400/+30.7554+130.0600/+30.7579+130.0800/+30.7600+130.0963/+30.7620+130.1000/+30.7716+130.1200/+30.7767+130.1400/+30.7791+130.1600/+30.7800+130.1745/+30.7841+130.1800/+30.7968+130.2000/+30.7994+130.2200/+30.7999+130.2400/+30.8000+130.2416/+30.8182+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8091+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3168/+30.7632+130.3000/+30.7719+130.2800/+30.7800+130.2698/+30.8000+130.2709/+30.8091+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T15:00:00+09:00 2026-10-08T18:00:00+09:00 降灰 70 +30.8136+130.2400/+30.8196+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8143+130.3200/+30.8000+130.3343/+30.7800+130.3321/+30.7679+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2796/+30.7408+130.2600/+30.7403+130.2400/+30.7401+130.2200/+30.7400+130.2180/+30.7232+130.2000/+30.7210+130.1800/+30.7202+130.1600/+30.7200+130.1581/+30.7057+130.1400/+30.7019+130.1200/+30.7000+130.1048/+30.6957+130.1000/+30.6848+130.0800/+30.6820+130.0600/+30.6800+130.0451/+30.6762+130.0400/+30.6624+130.0200/+30.6600+130.0030/+30.6576+130.0000/+30.6461+129.9800/+30.6400+129.9627/+30.6388+129.9600/+30.6318+129.9400/+30.6207+129.9200/+30.6200+129.9173/+30.6159+129.9000/+30.6118+129.8800/+30.6099+129.8600/+30.6070+129.8400/+30.6067+129.8200/+30.6000+129.8036/+30.5989+129.8000/+30.5997+129.7800/+30.6000+129.7737/+30.6050+129.7800/+30.6200+129.7823/+30.6400+129.7829/+30.6600+129.7984/+30.6606+129.8000/+30.6677+129.8200/+30.6759+129.8400/+30.6800+129.8442/+30.6943+129.8600/+30.7000+129.8719/+30.7027+129.8800/+30.7087+129.9000/+30.7128+129.9200/+30.7183+129.9400/+30.7200+129.9448/+30.7317+129.9600/+30.7400+129.9800/+30.7380+130.0000/+30.7400+130.0117/+30.7448+130.0200/+30.7537+130.0400/+30.7575+130.0600/+30.7600+130.0761/+30.7627+130.0800/+30.7739+130.1000/+30.7780+130.1200/+30.7795+130.1400/+30.7800+130.1457/+30.7910+130.1600/+30.7977+130.1800/+30.7994+130.2000/+30.7998+130.2200/+30.8000+130.2261/+30.8136+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8053+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3179/+30.7621+130.3000/+30.7715+130.2800/+30.7800+130.2695/+30.8000+130.2747/+30.8053+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T18:00:00+09:00 2026-10-08T21:00:00+09:00 降灰 70 +30.8172+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8129+130.3200/+30.8000+130.3329/+30.7800+130.3303/+30.7697+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2794/+30.7411+130.2600/+30.7403+130.2400/+30.7401+130.2200/+30.7400+130.2174/+30.7247+130.2000/+30.7215+130.1800/+30.7202+130.1600/+30.7200+130.1570/+30.7079+130.1400/+30.7032+130.1200/+30.7010+130.1000/+30.7000+130.0889/+30.6952+130.0800/+30.6859+130.0600/+30.6828+130.0400/+30.6800+130.0338/+30.6674+130.0200/+30.6650+130.0000/+30.6629+129.9800/+30.6600+129.9672/+30.6544+129.9600/+30.6464+129.9400/+30.6435+129.9200/+30.6400+129.9001/+30.6400+129.9000/+30.6322+129.8800/+30.6243+129.8600/+30.6200+129.8460/+30.6184+129.8400/+30.6191+129.8200/+30.6182+129.8000/+30.6182+129.7800/+30.6182+129.7600/+30.6200+129.7541/+30.6307+129.7400/+30.6400+129.7359/+30.6451+129.7400/+30.6600+129.7499/+30.6654+129.7600/+30.6762+129.7800/+30.6800+129.7837/+30.6914+129.8000/+30.7000+129.8163/+30.7017+129.8200/+30.7091+129.8400/+30.7175+129.8600/+30.7200+129.8665/+30.7275+129.8800/+30.7341+129.9000/+30.7400+129.9200/+30.7400+129.9201/+30.7485+129.9400/+30.7553+129.9600/+30.7598+129.9800/+30.7576+130.0000/+30.7600+130.0143/+30.7625+130.0200/+30.7705+130.0400/+30.7746+130.0600/+30.7766+130.0800/+30.7787+130.1000/+30.7800+130.1189/+30.7807+130.1200/+30.7929+130.1400/+30.7973+130.1600/+30.7989+130.1800/+30.7996+130.2000/+30.7999+130.2200/+30.8000+130.2219/+30.8172+130.2400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8068+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3183/+30.7617+130.3000/+30.7695+130.2800/+30.7800+130.2675/+30.8000+130.2732/+30.8068+130.2800/ 西 3 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、８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。 　８日３時から８日２１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 　０８日０３時から０６時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０８日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１８時から２１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：三島村 　 　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。