2026-10-10T11:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T20:00:00+09:00 2026-10-10T21:00:00+09:00 2026-10-11T15:00:00+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、１０日２１時から２４時までは火口から西方向、１１日０９時から１２時までは火口から北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 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 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西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2629/+30.8138+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +31.0345+129.7000/+31.0290+129.7200/+31.0286+129.7400/+31.0277+129.7600/+31.0263+129.7800/+31.0253+129.8000/+31.0200+129.8168/+31.0188+129.8200/+31.0063+129.8400/+31.0000+129.8474/+30.9970+129.8600/+30.9937+129.8800/+30.9900+129.9000/+30.9850+129.9200/+30.9800+129.9351/+30.9748+129.9400/+30.9600+129.9496/+30.9583+129.9600/+30.9552+129.9800/+30.9512+130.0000/+30.9419+130.0200/+30.9400+130.0226/+30.9200+130.0392/+30.9196+130.0400/+30.9168+130.0600/+30.9063+130.0800/+30.9000+130.0888/+30.8990+130.1000/+30.8957+130.1200/+30.8800+130.1387/+30.8799+130.1400/+30.8788+130.1600/+30.8750+130.1800/+30.8600+130.1961/+30.8598+130.2000/+30.8595+130.2200/+30.8526+130.2400/+30.8400+130.2534/+30.8399+130.2600/+30.8399+130.2800/+30.8236+130.3000/+30.8200+130.3028/+30.8049+130.3200/+30.8000+130.3249/+30.7920+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7610+130.2800/+30.7800+130.2610/+30.7801+130.2600/+30.7802+130.2400/+30.7816+130.2200/+30.8000+130.2011/+30.8002+130.2000/+30.8006+130.1800/+30.8031+130.1600/+30.8200+130.1412/+30.8202+130.1400/+30.8213+130.1200/+30.8241+130.1000/+30.8400+130.0801/+30.8400+130.0800/+30.8421+130.0600/+30.8468+130.0400/+30.8592+130.0200/+30.8498+130.0000/+30.8600+129.9842/+30.8621+129.9800/+30.8670+129.9600/+30.8747+129.9400/+30.8800+129.9307/+30.8862+129.9200/+30.8885+129.9000/+30.8967+129.8800/+30.9000+129.8705/+30.9055+129.8600/+30.9200+129.8455/+30.9238+129.8400/+30.9297+129.8200/+30.9327+129.8000/+30.9400+129.7878/+30.9480+129.7800/+30.9600+129.7687/+30.9679+129.7600/+30.9785+129.7400/+30.9800+129.7364/+30.9875+129.7200/+30.9981+129.7000/+31.0000+129.6965/+31.0200+129.6974/+31.0345+129.7000/ 北西 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/+30.7812+130.3000/+30.7875+130.2800/+30.8000+130.2644/+30.8126+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +31.0138+129.7400/+31.0175+129.7600/+31.0181+129.7800/+31.0184+129.8000/+31.0136+129.8200/+31.0098+129.8400/+31.0000+129.8546/+30.9978+129.8600/+30.9920+129.8800/+30.9880+129.9000/+30.9837+129.9200/+30.9800+129.9320/+30.9762+129.9400/+30.9600+129.9582/+30.9596+129.9600/+30.9552+129.9800/+30.9508+130.0000/+30.9438+130.0200/+30.9400+130.0266/+30.9312+130.0400/+30.9200+130.0521/+30.9188+130.0600/+30.9154+130.0800/+30.9077+130.1000/+30.9000+130.1091/+30.8980+130.1200/+30.8946+130.1400/+30.8800+130.1592/+30.8799+130.1600/+30.8780+130.1800/+30.8710+130.2000/+30.8600+130.2115/+30.8595+130.2200/+30.8580+130.2400/+30.8400+130.2590/+30.8400+130.2600/+30.8399+130.2800/+30.8342+130.3000/+30.8200+130.3136/+30.8091+130.3200/+30.8000+130.3290/+30.7862+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7610+130.2800/+30.7800+130.2610/+30.7801+130.2600/+30.7802+130.2400/+30.7813+130.2200/+30.7955+130.2000/+30.8000+130.1952/+30.8006+130.1800/+30.8021+130.1600/+30.8079+130.1400/+30.8200+130.1243/+30.8205+130.1200/+30.8224+130.1000/+30.8275+130.0800/+30.8397+130.0600/+30.8400+130.0596/+30.8426+130.0400/+30.8458+130.0200/+30.8477+130.0000/+30.8549+129.9800/+30.8600+129.9685/+30.8631+129.9600/+30.8709+129.9400/+30.8800+129.9225/+30.8811+129.9200/+30.8869+129.9000/+30.8954+129.8800/+30.9000+129.8667/+30.9030+129.8600/+30.9165+129.8400/+30.9200+129.8344/+30.9278+129.8200/+30.9369+129.8000/+30.9400+129.7944/+30.9546+129.7800/+30.9600+129.7748/+30.9759+129.7600/+30.9800+129.7542/+30.9885+129.7400/+31.0000+129.7223/+31.0138+129.7400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7888+130.2800/+30.8000+130.2662/+30.8133+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +31.0841+129.8000/+31.0800+129.8091/+31.0769+129.8200/+31.0736+129.8400/+31.0682+129.8600/+31.0600+129.8745/+31.0578+129.8800/+31.0443+129.9000/+31.0400+129.9041/+31.0337+129.9200/+31.0276+129.9400/+31.0200+129.9573/+31.0185+129.9600/+31.0013+129.9800/+31.0000+129.9822/+30.9932+130.0000/+30.9821+130.0200/+30.9800+130.0227/+30.9605+130.0400/+30.9600+130.0403/+30.9491+130.0600/+30.9400+130.0706/+30.9377+130.0800/+30.9264+130.1000/+30.9200+130.1067/+30.9175+130.1200/+30.9058+130.1400/+30.9000+130.1460/+30.8982+130.1600/+30.8853+130.1800/+30.8800+130.1856/+30.8789+130.2000/+30.8652+130.2200/+30.8600+130.2254/+30.8596+130.2400/+30.8519+130.2600/+30.8400+130.2719/+30.8399+130.2800/+30.8379+130.3000/+30.8200+130.3178/+30.8140+130.3200/+30.8000+130.3339/+30.7800+130.3211/+30.7789+130.3200/+30.7604+130.3000/+30.7625+130.2800/+30.7800+130.2625/+30.7801+130.2600/+30.7813+130.2400/+30.8000+130.2212/+30.8002+130.2200/+30.8015+130.2000/+30.8200+130.1809/+30.8202+130.1800/+30.8217+130.1600/+30.8364+130.1400/+30.8400+130.1363/+30.8420+130.1200/+30.8510+130.1000/+30.8600+130.0895/+30.8617+130.0800/+30.8689+130.0600/+30.8800+130.0475/+30.8822+130.0400/+30.8909+130.0200/+30.8947+130.0000/+30.9000+129.9955/+30.9059+129.9800/+30.9135+129.9600/+30.9200+129.9500/+30.9258+129.9400/+30.9336+129.9200/+30.9400+129.9050/+30.9434+129.9000/+30.9600+129.8868/+30.9662+129.8800/+30.9745+129.8600/+30.9800+129.8505/+30.9882+129.8400/+31.0000+129.8238/+31.0079+129.8200/+31.0200+129.8122/+31.0307+129.8000/+31.0400+129.7867/+31.0546+129.7800/+31.0600+129.7771/+31.0689+129.7800/+31.0800+129.7896/+31.0841+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8125+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2688/+30.8125+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T09:00:00+09:00 2026-10-11T12:00:00+09:00 降灰 70 +31.0621+129.7800/+31.0650+129.8000/+31.0600+129.8116/+31.0538+129.8200/+31.0456+129.8400/+31.0400+129.8551/+31.0390+129.8600/+31.0306+129.8800/+31.0253+129.9000/+31.0200+129.9173/+31.0191+129.9200/+31.0066+129.9400/+31.0000+129.9458/+30.9942+129.9600/+30.9866+129.9800/+30.9800+129.9928/+30.9767+130.0000/+30.9600+130.0199/+30.9600+130.0200/+30.9555+130.0400/+30.9400+130.0562/+30.9376+130.0600/+30.9283+130.0800/+30.9200+130.0894/+30.9181+130.1000/+30.9124+130.1200/+30.9000+130.1343/+30.8992+130.1400/+30.8951+130.1600/+30.8800+130.1762/+30.8795+130.1800/+30.8779+130.2000/+30.8600+130.2190/+30.8599+130.2200/+30.8594+130.2400/+30.8463+130.2600/+30.8400+130.2663/+30.8399+130.2800/+30.8375+130.3000/+30.8200+130.3175/+30.8132+130.3200/+30.8000+130.3332/+30.7800+130.3212/+30.7788+130.3200/+30.7603+130.3000/+30.7618+130.2800/+30.7800+130.2618/+30.7801+130.2600/+30.7808+130.2400/+30.8000+130.2205/+30.8001+130.2200/+30.8008+130.2000/+30.8079+130.1800/+30.8200+130.1674/+30.8208+130.1600/+30.8238+130.1400/+30.8400+130.1219/+30.8405+130.1200/+30.8429+130.1000/+30.8519+130.0800/+30.8600+130.0702/+30.8621+130.0600/+30.8684+130.0400/+30.8800+130.0248/+30.8815+130.0200/+30.8800+130.0070/+30.8762+130.0000/+30.8800+129.9946/+30.8949+129.9800/+30.9000+129.9738/+30.9037+129.9600/+30.9114+129.9400/+30.9200+129.9270/+30.9244+129.9200/+30.9306+129.9000/+30.9400+129.8825/+30.9419+129.8800/+30.9566+129.8600/+30.9600+129.8573/+30.9739+129.8400/+30.9800+129.8252/+30.9838+129.8200/+31.0000+129.8036/+31.0107+129.8000/+31.0200+129.7930/+31.0328+129.7800/+31.0400+129.7700/+31.0600+129.7708/+31.0621+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8109+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7912+130.2800/+30.8000+130.2692/+30.8109+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T12:00:00+09:00 2026-10-11T15:00:00+09:00 降灰 70 +31.0351+129.8000/+31.0316+129.8200/+31.0306+129.8400/+31.0286+129.8600/+31.0237+129.8800/+31.0200+129.8910/+31.0162+129.9000/+31.0034+129.9200/+31.0000+129.9241/+30.9945+129.9400/+30.9834+129.9600/+30.9800+129.9669/+30.9747+129.9800/+30.9600+129.9986/+30.9596+130.0000/+30.9557+130.0200/+30.9506+130.0400/+30.9400+130.0511/+30.9331+130.0600/+30.9200+130.0756/+30.9189+130.0800/+30.9149+130.1000/+30.9000+130.1169/+30.8993+130.1200/+30.8967+130.1400/+30.8800+130.1595/+30.8799+130.1600/+30.8789+130.1800/+30.8725+130.2000/+30.8600+130.2132/+30.8597+130.2200/+30.8588+130.2400/+30.8400+130.2597/+30.8400+130.2600/+30.8400+130.2666/+30.8503+130.2800/+30.8475+130.3000/+30.8400+130.3052/+30.8200+130.3183/+30.8171+130.3200/+30.8000+130.3352/+30.7800+130.3260/+30.7740+130.3200/+30.7603+130.3000/+30.7611+130.2800/+30.7800+130.2611/+30.7801+130.2600/+30.7804+130.2400/+30.7860+130.2200/+30.8000+130.2058/+30.8004+130.2000/+30.8020+130.1800/+30.8172+130.1600/+30.8200+130.1569/+30.8213+130.1400/+30.8263+130.1200/+30.8400+130.1042/+30.8409+130.1000/+30.8448+130.0800/+30.8600+130.0601/+30.8600+130.0600/+30.8637+130.0400/+30.8699+130.0200/+30.8683+130.0000/+30.8800+129.9820/+30.8814+129.9800/+30.8932+129.9600/+30.9000+129.9529/+30.9052+129.9400/+30.9145+129.9200/+30.9200+129.9080/+30.9244+129.9000/+30.9342+129.8800/+30.9400+129.8657/+30.9433+129.8600/+30.9600+129.8426/+30.9635+129.8400/+30.9775+129.8200/+30.9800+129.8153/+30.9894+129.8000/+31.0000+129.7854/+31.0200+129.7893/+31.0351+129.8000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8107+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7913+130.2800/+30.8000+130.2695/+30.8107+130.2800/ 北西 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、１０日２１時から２４時までは火口から西方向、１１日０９時から１２時までは火口から北西方向に降灰が予想されます。 　１０日２１時から１１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 　１０日２１時から２４時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１２時から１５時まで　北西　　　　　　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。