2026-10-02T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-03T05:00:00+09:00 2026-10-03T06:00:00+09:00 2026-10-04T00:00:00+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、３日０９時から１２時までは火口から西方向、３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 2026-10-03T06:00:00+09:00 2026-10-03T09:00:00+09:00 降灰 70 +30.8035+130.1000/+30.8096+130.1200/+30.8130+130.1400/+30.8145+130.1600/+30.8163+130.1800/+30.8178+130.2000/+30.8187+130.2200/+30.8195+130.2400/+30.8198+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8172+130.3200/+30.8000+130.3372/+30.7800+130.3352/+30.7648+130.3200/+30.7601+130.3000/+30.7600+130.2924/+30.7476+130.2800/+30.7411+130.2600/+30.7405+130.2400/+30.7400+130.2314/+30.7300+130.2200/+30.7239+130.2000/+30.7221+130.1800/+30.7207+130.1600/+30.7200+130.1538/+30.7123+130.1400/+30.7068+130.1200/+30.7049+130.1000/+30.7013+130.0800/+30.7000+130.0640/+30.6992+130.0600/+30.6942+130.0400/+30.6837+130.0200/+30.6811+130.0000/+30.6821+129.9800/+30.6809+129.9600/+30.6800+129.9552/+30.6769+129.9400/+30.6701+129.9200/+30.6717+129.9000/+30.6738+129.8800/+30.6778+129.8600/+30.6800+129.8522/+30.6855+129.8600/+30.7000+129.8709/+30.7200+129.8776/+30.7214+129.8800/+30.7348+129.9000/+30.7400+129.9073/+30.7484+129.9200/+30.7596+129.9400/+30.7600+129.9406/+30.7691+129.9600/+30.7749+129.9800/+30.7800+130.0000/+30.7800+130.0003/+30.7851+130.0200/+30.7952+130.0400/+30.7974+130.0600/+30.7990+130.0800/+30.8000+130.0903/+30.8035+130.1000/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8033+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3147/+30.7653+130.3000/+30.7800+130.2810/+30.7886+130.2800/+30.8000+130.2760/+30.8033+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-03T09:00:00+09:00 2026-10-03T12:00:00+09:00 降灰 70 +30.8218+129.8400/+30.8292+129.8600/+30.8361+129.8800/+30.8372+129.9000/+30.8385+129.9200/+30.8364+129.9400/+30.8355+129.9600/+30.8352+129.9800/+30.8308+130.0000/+30.8285+130.0200/+30.8255+130.0400/+30.8200+130.0574/+30.8198+130.0600/+30.8191+130.0800/+30.8189+130.1000/+30.8180+130.1200/+30.8180+130.1400/+30.8183+130.1600/+30.8184+130.1800/+30.8187+130.2000/+30.8192+130.2200/+30.8197+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8128+130.3200/+30.8000+130.3328/+30.7800+130.3266/+30.7734+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2600/+30.7600+130.2599/+30.7427+130.2400/+30.7412+130.2200/+30.7409+130.2000/+30.7407+130.1800/+30.7404+130.1600/+30.7400+130.1468/+30.7359+130.1400/+30.7292+130.1200/+30.7270+130.1000/+30.7258+130.0800/+30.7255+130.0600/+30.7257+130.0400/+30.7237+130.0200/+30.7242+130.0000/+30.7256+129.9800/+30.7276+129.9600/+30.7305+129.9400/+30.7348+129.9200/+30.7400+129.9096/+30.7459+129.9000/+30.7541+129.8800/+30.7574+129.8600/+30.7600+129.8450/+30.7617+129.8400/+30.7769+129.8200/+30.7800+129.8156/+30.7901+129.8000/+30.8000+129.7921/+30.8099+129.8000/+30.8171+129.8200/+30.8200+129.8312/+30.8218+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8103+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3110/+30.7690+130.3000/+30.7705+130.2800/+30.7800+130.2674/+30.8000+130.2671/+30.8103+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-03T12:00:00+09:00 2026-10-03T15:00:00+09:00 降灰 70 +30.8031+129.9600/+30.8060+129.9800/+30.8000+129.9866/+30.7958+130.0000/+30.7970+130.0200/+30.7980+130.0400/+30.7985+130.0600/+30.7989+130.0800/+30.7993+130.1000/+30.7997+130.1200/+30.7998+130.1400/+30.8000+130.1510/+30.8044+130.1600/+30.8133+130.1800/+30.8173+130.2000/+30.8192+130.2200/+30.8197+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8027+130.3200/+30.8000+130.3227/+30.7937+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7600+130.2600/+30.7600+130.2474/+30.7527+130.2400/+30.7425+130.2200/+30.7412+130.2000/+30.7409+130.1800/+30.7407+130.1600/+30.7406+130.1400/+30.7403+130.1200/+30.7400+130.1011/+30.7396+130.1000/+30.7304+130.0800/+30.7269+130.0600/+30.7250+130.0400/+30.7237+130.0200/+30.7205+130.0000/+30.7200+129.9876/+30.7176+129.9800/+30.7118+129.9600/+30.7087+129.9400/+30.7069+129.9200/+30.7000+129.9048/+30.6977+129.9000/+30.6967+129.8800/+30.6961+129.8600/+30.6955+129.8400/+30.6967+129.8200/+30.6981+129.8000/+30.7000+129.7878/+30.7027+129.7800/+30.7036+129.7600/+30.7059+129.7400/+30.7112+129.7200/+30.7200+129.7054/+30.7264+129.7000/+30.7400+129.6921/+30.7466+129.7000/+30.7600+129.7131/+30.7625+129.7200/+30.7684+129.7400/+30.7739+129.7600/+30.7787+129.7800/+30.7800+129.7862/+30.7823+129.8000/+30.7861+129.8200/+30.7888+129.8400/+30.7907+129.8600/+30.7922+129.8800/+30.7940+129.9000/+30.7975+129.9200/+30.7997+129.9400/+30.8000+129.9424/+30.8031+129.9600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8126+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3116/+30.7684+130.3000/+30.7698+130.2800/+30.7800+130.2665/+30.8000+130.2646/+30.8126+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-03T15:00:00+09:00 2026-10-03T18:00:00+09:00 降灰 70 +30.8040+129.9000/+30.8074+129.9200/+30.8095+129.9400/+30.8114+129.9600/+30.8129+129.9800/+30.8000+129.9945/+30.7986+130.0000/+30.7989+130.0200/+30.7994+130.0400/+30.7994+130.0600/+30.7996+130.0800/+30.7999+130.1000/+30.8000+130.1107/+30.8029+130.1200/+30.8103+130.1400/+30.8146+130.1600/+30.8175+130.1800/+30.8190+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8031+130.3200/+30.8000+130.3230/+30.7927+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2160/+30.7468+130.2000/+30.7430+130.1800/+30.7419+130.1600/+30.7415+130.1400/+30.7412+130.1200/+30.7412+130.1000/+30.7411+130.0800/+30.7408+130.0600/+30.7404+130.0400/+30.7400+130.0287/+30.7359+130.0200/+30.7356+130.0000/+30.7238+129.9800/+30.7239+129.9600/+30.7237+129.9400/+30.7235+129.9200/+30.7232+129.9000/+30.7203+129.8800/+30.7200+129.8770/+30.7152+129.8600/+30.7108+129.8400/+30.7125+129.8200/+30.7144+129.8000/+30.7142+129.7800/+30.7154+129.7600/+30.7173+129.7400/+30.7200+129.7212/+30.7202+129.7200/+30.7244+129.7000/+30.7287+129.6800/+30.7347+129.6600/+30.7400+129.6461/+30.7600+129.6563/+30.7611+129.6600/+30.7667+129.6800/+30.7715+129.7000/+30.7770+129.7200/+30.7800+129.7328/+30.7815+129.7400/+30.7854+129.7600/+30.7888+129.7800/+30.7915+129.8000/+30.7943+129.8200/+30.7964+129.8400/+30.7970+129.8600/+30.7975+129.8800/+30.8000+129.8902/+30.8040+129.9000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8127+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3096/+30.7704+130.3000/+30.7702+130.2800/+30.7800+130.2664/+30.8000+130.2640/+30.8127+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-03T18:00:00+09:00 2026-10-03T21:00:00+09:00 降灰 70 +30.8035+129.9800/+30.8000+129.9836/+30.7945+130.0000/+30.7967+130.0200/+30.7978+130.0400/+30.7987+130.0600/+30.7992+130.0800/+30.7996+130.1000/+30.7999+130.1200/+30.8000+130.1251/+30.8071+130.1400/+30.8140+130.1600/+30.8175+130.1800/+30.8190+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8053+130.3200/+30.8000+130.3253/+30.7854+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2263/+30.7545+130.2200/+30.7441+130.2000/+30.7420+130.1800/+30.7414+130.1600/+30.7411+130.1400/+30.7408+130.1200/+30.7405+130.1000/+30.7400+130.0855/+30.7369+130.0800/+30.7286+130.0600/+30.7254+130.0400/+30.7234+130.0200/+30.7205+130.0000/+30.7200+129.9926/+30.7145+129.9800/+30.7088+129.9600/+30.7052+129.9400/+30.7028+129.9200/+30.7000+129.9138/+30.6934+129.9000/+30.6918+129.8800/+30.6906+129.8600/+30.6894+129.8400/+30.6895+129.8200/+30.6896+129.8000/+30.6826+129.7800/+30.6831+129.7600/+30.6840+129.7400/+30.6857+129.7200/+30.6879+129.7000/+30.6921+129.6800/+30.6982+129.6600/+30.7000+129.6560/+30.7024+129.6600/+30.7136+129.6800/+30.7200+129.6907/+30.7259+129.7000/+30.7400+129.7174/+30.7415+129.7200/+30.7524+129.7400/+30.7600+129.7506/+30.7635+129.7600/+30.7709+129.7800/+30.7726+129.8000/+30.7791+129.8200/+30.7800+129.8237/+30.7832+129.8400/+30.7853+129.8600/+30.7870+129.8800/+30.7800+129.8962/+30.7792+129.9000/+30.7800+129.9051/+30.7874+129.9200/+30.7952+129.9400/+30.7993+129.9600/+30.8000+129.9647/+30.8035+129.9800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8110+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3158/+30.7642+130.3000/+30.7695+130.2800/+30.7800+130.2667/+30.8000+130.2669/+30.8110+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-03T21:00:00+09:00 2026-10-04T00:00:00+09:00 降灰 70 +30.8034+129.9200/+30.8070+129.9400/+30.8103+129.9600/+30.8129+129.9800/+30.8000+129.9992/+30.7998+130.0000/+30.8000+130.0038/+30.8042+130.0200/+30.8068+130.0400/+30.8091+130.0600/+30.8122+130.0800/+30.8151+130.1000/+30.8167+130.1200/+30.8178+130.1400/+30.8185+130.1600/+30.8191+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8088+130.3200/+30.8000+130.3288/+30.7800+130.3219/+30.7781+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2200/+30.7600+130.2190/+30.7477+130.2000/+30.7444+130.1800/+30.7428+130.1600/+30.7421+130.1400/+30.7416+130.1200/+30.7412+130.1000/+30.7408+130.0800/+30.7406+130.0600/+30.7400+130.0436/+30.7387+130.0400/+30.7307+130.0200/+30.7272+130.0000/+30.7231+129.9800/+30.7223+129.9600/+30.7216+129.9400/+30.7205+129.9200/+30.7200+129.9136/+30.7138+129.9000/+30.7062+129.8800/+30.7058+129.8600/+30.7053+129.8400/+30.7035+129.8200/+30.7018+129.8000/+30.7085+129.7800/+30.7102+129.7600/+30.7129+129.7400/+30.7166+129.7200/+30.7200+129.7069/+30.7223+129.7000/+30.7330+129.6800/+30.7400+129.6712/+30.7503+129.6800/+30.7600+129.6884/+30.7634+129.7000/+30.7687+129.7200/+30.7730+129.7400/+30.7777+129.7600/+30.7800+129.7696/+30.7822+129.7800/+30.7872+129.8000/+30.7890+129.8200/+30.7904+129.8400/+30.7926+129.8600/+30.7946+129.8800/+30.7995+129.9000/+30.8000+129.9039/+30.8034+129.9200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3170/+30.7630+130.3000/+30.7704+130.2800/+30.7800+130.2676/+30.8000+130.2658/+30.8116+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、３日０９時から１２時までは火口から西方向、３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。 　３日６時から３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 　０３日０６時から０９時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０３日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０３日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日２１時から２４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。