2026-10-07T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T05:00:00+09:00 2026-10-08T06:00:00+09:00 2026-10-09T00:00:00+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、８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 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 2026-10-08T06:00:00+09:00 2026-10-08T09:00:00+09:00 降灰 70 +30.8188+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8136+130.3200/+30.8000+130.3336/+30.7800+130.3301/+30.7699+130.3200/+30.7601+130.3000/+30.7600+130.2985/+30.7415+130.2800/+30.7402+130.2600/+30.7400+130.2502/+30.7299+130.2400/+30.7218+130.2200/+30.7203+130.2000/+30.7200+130.1964/+30.7074+130.1800/+30.7026+130.1600/+30.7004+130.1400/+30.7000+130.1357/+30.6917+130.1200/+30.6859+130.1000/+30.6821+130.0800/+30.6800+130.0633/+30.6785+130.0600/+30.6775+130.0400/+30.6650+130.0200/+30.6636+130.0000/+30.6623+129.9800/+30.6607+129.9600/+30.6600+129.9539/+30.6555+129.9400/+30.6511+129.9200/+30.6467+129.9000/+30.6443+129.8800/+30.6442+129.8600/+30.6439+129.8400/+30.6429+129.8200/+30.6494+129.8000/+30.6600+129.7905/+30.6800+129.7865/+30.6961+129.8000/+30.7000+129.8071/+30.7060+129.8200/+30.7131+129.8400/+30.7200+129.8549/+30.7224+129.8600/+30.7297+129.8800/+30.7320+129.9000/+30.7375+129.9200/+30.7400+129.9292/+30.7439+129.9400/+30.7496+129.9600/+30.7534+129.9800/+30.7481+130.0000/+30.7539+130.0200/+30.7572+130.0400/+30.7593+130.0600/+30.7600+130.0668/+30.7658+130.0800/+30.7731+130.1000/+30.7768+130.1200/+30.7786+130.1400/+30.7799+130.1600/+30.7800+130.1614/+30.7933+130.1800/+30.7982+130.2000/+30.7995+130.2200/+30.7999+130.2400/+30.8000+130.2407/+30.8188+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8071+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3153/+30.7647+130.3000/+30.7732+130.2800/+30.7800+130.2713/+30.8000+130.2729/+30.8071+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 +30.8180+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8148+130.3200/+30.8000+130.3348/+30.7800+130.3321/+30.7679+130.3200/+30.7601+130.3000/+30.7600+130.2991/+30.7410+130.2800/+30.7402+130.2600/+30.7400+130.2542/+30.7261+130.2400/+30.7211+130.2200/+30.7200+130.2022/+30.7179+130.2000/+30.7034+130.1800/+30.7008+130.1600/+30.7000+130.1537/+30.6901+130.1400/+30.6842+130.1200/+30.6811+130.1000/+30.6800+130.0944/+30.6715+130.0800/+30.6657+130.0600/+30.6629+130.0400/+30.6600+130.0266/+30.6548+130.0200/+30.6468+130.0000/+30.6414+129.9800/+30.6400+129.9654/+30.6391+129.9600/+30.6370+129.9400/+30.6355+129.9200/+30.6307+129.9000/+30.6264+129.8800/+30.6242+129.8600/+30.6218+129.8400/+30.6273+129.8200/+30.6399+129.8000/+30.6400+129.7998/+30.6412+129.8000/+30.6600+129.8031/+30.6743+129.8200/+30.6800+129.8255/+30.6862+129.8400/+30.6993+129.8600/+30.7000+129.8616/+30.7063+129.8800/+30.7090+129.9000/+30.7132+129.9200/+30.7199+129.9400/+30.7200+129.9403/+30.7317+129.9600/+30.7381+129.9800/+30.7365+130.0000/+30.7400+130.0175/+30.7413+130.0200/+30.7505+130.0400/+30.7557+130.0600/+30.7592+130.0800/+30.7600+130.0907/+30.7632+130.1000/+30.7731+130.1200/+30.7770+130.1400/+30.7790+130.1600/+30.7800+130.1719/+30.7866+130.1800/+30.7968+130.2000/+30.7993+130.2200/+30.7999+130.2400/+30.8000+130.2417/+30.8180+130.2600/ 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+130.3152/+30.7648+130.3000/+30.7726+130.2800/+30.7800+130.2708/+30.8000+130.2747/+30.8053+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 +30.8188+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8141+130.3200/+30.8000+130.3341/+30.7800+130.3315/+30.7685+130.3200/+30.7601+130.3000/+30.7600+130.2952/+30.7448+130.2800/+30.7403+130.2600/+30.7401+130.2400/+30.7400+130.2356/+30.7249+130.2200/+30.7209+130.2000/+30.7202+130.1800/+30.7200+130.1776/+30.7047+130.1600/+30.7016+130.1400/+30.7000+130.1247/+30.6958+130.1200/+30.6845+130.1000/+30.6815+130.0800/+30.6800+130.0715/+30.6718+130.0600/+30.6641+130.0400/+30.6600+130.0255/+30.6535+130.0200/+30.6451+130.0000/+30.6400+129.9803/+30.6399+129.9800/+30.6333+129.9600/+30.6293+129.9400/+30.6233+129.9200/+30.6228+129.9000/+30.6220+129.8800/+30.6212+129.8600/+30.6201+129.8400/+30.6273+129.8200/+30.6400+129.8007/+30.6600+129.8082/+30.6655+129.8200/+30.6724+129.8400/+30.6800+129.8457/+30.6907+129.8600/+30.6998+129.8800/+30.7000+129.8803/+30.7083+129.9000/+30.7150+129.9200/+30.7200+129.9363/+30.7222+129.9400/+30.7316+129.9600/+30.7374+129.9800/+30.7400+129.9965/+30.7407+130.0000/+30.7467+130.0200/+30.7507+130.0400/+30.7563+130.0600/+30.7589+130.0800/+30.7600+130.0884/+30.7660+130.1000/+30.7735+130.1200/+30.7772+130.1400/+30.7793+130.1600/+30.7800+130.1733/+30.7849+130.1800/+30.7975+130.2000/+30.7995+130.2200/+30.7999+130.2400/+30.8000+130.2411/+30.8188+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8074+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3160/+30.7640+130.3000/+30.7724+130.2800/+30.7800+130.2706/+30.8000+130.2726/+30.8074+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 +30.8174+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3343/+30.7657+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2799/+30.7407+130.2600/+30.7403+130.2400/+30.7400+130.2222/+30.7378+130.2200/+30.7222+130.2000/+30.7208+130.1800/+30.7200+130.1698/+30.7110+130.1600/+30.7030+130.1400/+30.7009+130.1200/+30.7000+130.1140/+30.6883+130.1000/+30.6829+130.0800/+30.6800+130.0615/+30.6788+130.0600/+30.6680+130.0400/+30.6606+130.0200/+30.6600+130.0170/+30.6482+130.0000/+30.6413+129.9800/+30.6400+129.9746/+30.6347+129.9600/+30.6278+129.9400/+30.6200+129.9265/+30.6157+129.9200/+30.6134+129.9000/+30.6109+129.8800/+30.6069+129.8600/+30.6000+129.8411/+30.5993+129.8400/+30.5999+129.8200/+30.5968+129.8000/+30.5997+129.7800/+30.6000+129.7781/+30.6010+129.7800/+30.6200+129.7949/+30.6400+129.7993/+30.6408+129.8000/+30.6600+129.8136/+30.6629+129.8200/+30.6715+129.8400/+30.6800+129.8518/+30.6873+129.8600/+30.6980+129.8800/+30.7000+129.8836/+30.7058+129.9000/+30.7092+129.9200/+30.7154+129.9400/+30.7200+129.9546/+30.7247+129.9600/+30.7367+129.9800/+30.7380+130.0000/+30.7400+130.0080/+30.7468+130.0200/+30.7545+130.0400/+30.7600+130.0600/+30.7701+130.0800/+30.7757+130.1000/+30.7785+130.1200/+30.7800+130.1285/+30.7888+130.1400/+30.7953+130.1600/+30.7984+130.1800/+30.7995+130.2000/+30.8000+130.2200/+30.8000+130.2201/+30.8174+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8031+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3176/+30.7624+130.3000/+30.7719+130.2800/+30.7800+130.2701/+30.8000+130.2766/+30.8031+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 +30.8102+130.2000/+30.8167+130.2200/+30.8191+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8140+130.3200/+30.8000+130.3340/+30.7800+130.3322/+30.7678+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2799/+30.7411+130.2600/+30.7404+130.2400/+30.7400+130.2236/+30.7364+130.2200/+30.7234+130.2000/+30.7213+130.1800/+30.7200+130.1608/+30.7194+130.1600/+30.7065+130.1400/+30.7029+130.1200/+30.7001+130.1000/+30.7000+130.0997/+30.6887+130.0800/+30.6857+130.0600/+30.6827+130.0400/+30.6800+130.0332/+30.6698+130.0200/+30.6675+130.0000/+30.6660+129.9800/+30.6615+129.9600/+30.6600+129.9528/+30.6532+129.9400/+30.6480+129.9200/+30.6462+129.9000/+30.6455+129.8800/+30.6411+129.8600/+30.6400+129.8563/+30.6336+129.8400/+30.6307+129.8200/+30.6322+129.8000/+30.6364+129.7800/+30.6400+129.7698/+30.6600+129.7654/+30.6756+129.7800/+30.6800+129.7819/+30.6976+129.8000/+30.7000+129.8028/+30.7122+129.8200/+30.7200+129.8352/+30.7223+129.8400/+30.7360+129.8600/+30.7400+129.8686/+30.7443+129.8800/+30.7519+129.9000/+30.7571+129.9200/+30.7600+129.9311/+30.7626+129.9400/+30.7695+129.9600/+30.7744+129.9800/+30.7763+130.0000/+30.7796+130.0200/+30.7800+130.0224/+30.7864+130.0400/+30.7877+130.0600/+30.7922+130.0800/+30.7954+130.1000/+30.7972+130.1200/+30.7984+130.1400/+30.7994+130.1600/+30.7998+130.1800/+30.8000+130.1838/+30.8102+130.2000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8064+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3185/+30.7615+130.3000/+30.7712+130.2800/+30.7800+130.2691/+30.8000+130.2728/+30.8064+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T21:00:00+09:00 2026-10-09T00:00:00+09:00 降灰 70 +30.8087+130.2200/+30.8168+130.2400/+30.8195+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8167+130.3200/+30.8000+130.3366/+30.7800+130.3350/+30.7650+130.3200/+30.7600+130.3000/+30.7600+130.2995/+30.7410+130.2800/+30.7400+130.2607/+30.7393+130.2600/+30.7239+130.2400/+30.7208+130.2200/+30.7200+130.2132/+30.7116+130.2000/+30.7074+130.1800/+30.7061+130.1600/+30.7036+130.1400/+30.7008+130.1200/+30.7000+130.1118/+30.6955+130.1000/+30.6892+130.0800/+30.6859+130.0600/+30.6813+130.0400/+30.6800+130.0372/+30.6677+130.0200/+30.6642+130.0000/+30.6608+129.9800/+30.6600+129.9754/+30.6543+129.9600/+30.6494+129.9400/+30.6445+129.9200/+30.6443+129.9000/+30.6400+129.8903/+30.6373+129.8800/+30.6365+129.8600/+30.6354+129.8400/+30.6400+129.8344/+30.6478+129.8400/+30.6600+129.8589/+30.6621+129.8600/+30.6800+129.8646/+30.6908+129.8800/+30.7000+129.8887/+30.7107+129.9000/+30.7200+129.9071/+30.7305+129.9200/+30.7400+129.9336/+30.7441+129.9400/+30.7545+129.9600/+30.7600+129.9736/+30.7620+129.9800/+30.7661+130.0000/+30.7690+130.0200/+30.7743+130.0400/+30.7787+130.0600/+30.7800+130.0759/+30.7810+130.0800/+30.7874+130.1000/+30.7929+130.1200/+30.7959+130.1400/+30.7979+130.1600/+30.7989+130.1800/+30.7998+130.2000/+30.8000+130.2061/+30.8087+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3167/+30.7633+130.3000/+30.7716+130.2800/+30.7800+130.2696/+30.8000+130.2644/+30.8139+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、８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。 　８日６時から８日２４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　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　５０ｋｍ　　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。