2026-09-16T05:00:00Z 通常 気象庁本庁 気象庁 2026-09-16T14:00:00+09:00 2026-09-16T15:00:00+09:00 2026-09-17T09:00:00+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、１６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 2026-09-16T15:00:00+09:00 2026-09-16T18:00:00+09:00 降灰 70 +30.9411+130.1200/+30.9512+130.1400/+30.9561+130.1600/+30.9593+130.1800/+30.9560+130.2000/+30.9485+130.2200/+30.9400+130.2278/+30.9200+130.2218/+30.9065+130.2200/+30.9000+130.2192/+30.8897+130.2000/+30.8835+130.1800/+30.8800+130.1601/+30.8800+130.1600/+30.8800+130.1599/+30.8841+130.1400/+30.8872+130.1200/+30.8977+130.1000/+30.9000+130.0967/+30.9200+130.0949/+30.9250+130.1000/+30.9400+130.1180/+30.9411+130.1200/ +30.8243+129.9000/+30.8300+129.9200/+30.8349+129.9400/+30.8363+129.9600/+30.8360+129.9800/+30.8346+130.0000/+30.8346+130.0200/+30.8357+130.0400/+30.8349+130.0600/+30.8313+130.0800/+30.8312+130.1000/+30.8306+130.1200/+30.8283+130.1400/+30.8246+130.1600/+30.8200+130.1764/+30.8200+130.1800/+30.8199+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8173+130.3200/+30.8000+130.3372/+30.7800+130.3345/+30.7655+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7602+130.1800/+30.7601+130.1600/+30.7600+130.1515/+30.7566+130.1400/+30.7566+130.1200/+30.7532+130.1000/+30.7519+130.0800/+30.7534+130.0600/+30.7513+130.0400/+30.7561+130.0200/+30.7553+130.0000/+30.7454+129.9800/+30.7473+129.9600/+30.7499+129.9400/+30.7539+129.9200/+30.7586+129.9000/+30.7600+129.8924/+30.7653+129.8800/+30.7741+129.8600/+30.7800+129.8478/+30.7840+129.8400/+30.7986+129.8200/+30.8000+129.8185/+30.8008+129.8200/+30.8101+129.8400/+30.8152+129.8600/+30.8192+129.8800/+30.8200+129.8824/+30.8243+129.9000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8052+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7914+130.2800/+30.8000+130.2738/+30.8052+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-16T18:00:00+09:00 2026-09-16T21:00:00+09:00 降灰 70 +30.8211+129.8000/+30.8233+129.8200/+30.8250+129.8400/+30.8269+129.8600/+30.8284+129.8800/+30.8301+129.9000/+30.8325+129.9200/+30.8344+129.9400/+30.8357+129.9600/+30.8366+129.9800/+30.8331+130.0000/+30.8334+130.0200/+30.8371+130.0400/+30.8324+130.0600/+30.8279+130.0800/+30.8284+130.1000/+30.8299+130.1200/+30.8299+130.1400/+30.8307+130.1600/+30.8307+130.1800/+30.8200+130.1963/+30.8200+130.2000/+30.8200+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3270/+30.7730+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2000/+30.7600+130.1989/+30.7517+130.1800/+30.7469+130.1600/+30.7457+130.1400/+30.7448+130.1200/+30.7450+130.1000/+30.7449+130.0800/+30.7448+130.0600/+30.7442+130.0400/+30.7439+130.0200/+30.7445+130.0000/+30.7400+129.9812/+30.7392+129.9800/+30.7400+129.9738/+30.7409+129.9600/+30.7421+129.9400/+30.7428+129.9200/+30.7458+129.9000/+30.7434+129.8800/+30.7462+129.8600/+30.7497+129.8400/+30.7550+129.8200/+30.7600+129.8061/+30.7633+129.8000/+30.7779+129.7800/+30.7800+129.7757/+30.7890+129.7600/+30.8000+129.7426/+30.8080+129.7600/+30.8156+129.7800/+30.8200+129.7948/+30.8211+129.8000/ 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/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2675/+30.8103+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-16T21:00:00+09:00 2026-09-17T00:00:00+09:00 降灰 70 +30.9012+129.7400/+30.9058+129.7600/+30.9081+129.7800/+30.9091+129.8000/+30.9058+129.8200/+30.9055+129.8400/+30.9058+129.8600/+30.9060+129.8800/+30.9059+129.9000/+30.9000+129.9096/+30.8965+129.9200/+30.8947+129.9400/+30.8932+129.9600/+30.8918+129.9800/+30.8886+130.0000/+30.8800+130.0086/+30.8751+130.0200/+30.8712+130.0400/+30.8655+130.0600/+30.8600+130.0686/+30.8588+130.0800/+30.8578+130.1000/+30.8564+130.1200/+30.8534+130.1400/+30.8455+130.1600/+30.8400+130.1672/+30.8396+130.1800/+30.8395+130.2000/+30.8395+130.2200/+30.8400+130.2344/+30.8458+130.2400/+30.8469+130.2600/+30.8400+130.2683/+30.8364+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8161+130.3200/+30.8000+130.3360/+30.7800+130.3303/+30.7697+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7605+130.2400/+30.7611+130.2200/+30.7623+130.2000/+30.7645+130.1800/+30.7675+130.1600/+30.7722+130.1400/+30.7794+130.1200/+30.7800+130.1184/+30.7807+130.1000/+30.7815+130.0800/+30.7826+130.0600/+30.7854+130.0400/+30.7882+130.0200/+30.7946+130.0000/+30.7917+129.9800/+30.7959+129.9600/+30.8000+129.9463/+30.8016+129.9400/+30.8071+129.9200/+30.8132+129.9000/+30.8178+129.8800/+30.8200+129.8720/+30.8241+129.8600/+30.8340+129.8400/+30.8400+129.8209/+30.8404+129.8200/+30.8477+129.8000/+30.8600+129.7811/+30.8637+129.7800/+30.8800+129.7683/+30.8865+129.7600/+30.8979+129.7400/+30.9000+129.7366/+30.9012+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8089+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7912+130.2800/+30.8000+130.2690/+30.8089+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-17T00:00:00+09:00 2026-09-17T03:00:00+09:00 降灰 70 +30.9022+129.7400/+30.9086+129.7600/+30.9122+129.7800/+30.9118+129.8000/+30.9083+129.8200/+30.9081+129.8400/+30.9061+129.8600/+30.9044+129.8800/+30.9031+129.9000/+30.9000+129.9050/+30.8945+129.9200/+30.8923+129.9400/+30.8901+129.9600/+30.8871+129.9800/+30.8827+130.0000/+30.8800+130.0038/+30.8735+130.0200/+30.8666+130.0400/+30.8600+130.0513/+30.8589+130.0600/+30.8570+130.0800/+30.8556+130.1000/+30.8520+130.1200/+30.8420+130.1400/+30.8400+130.1451/+30.8397+130.1600/+30.8395+130.1800/+30.8392+130.2000/+30.8400+130.2134/+30.8552+130.2000/+30.8600+130.1934/+30.8800+130.1867/+30.9000+130.1978/+30.9010+130.2000/+30.9000+130.2012/+30.8880+130.2200/+30.8800+130.2310/+30.8765+130.2400/+30.8600+130.2583/+30.8592+130.2600/+30.8400+130.2799/+30.8399+130.2800/+30.8292+130.3000/+30.8200+130.3092/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3306/+30.7693+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7609+130.2000/+30.7615+130.1800/+30.7621+130.1600/+30.7633+130.1400/+30.7652+130.1200/+30.7676+130.1000/+30.7711+130.0800/+30.7785+130.0600/+30.7800+130.0550/+30.7810+130.0400/+30.7835+130.0200/+30.7862+130.0000/+30.7878+129.9800/+30.7928+129.9600/+30.8000+129.9422/+30.8008+129.9400/+30.8076+129.9200/+30.8145+129.9000/+30.8192+129.8800/+30.8200+129.8776/+30.8281+129.8600/+30.8400+129.8451/+30.8443+129.8400/+30.8528+129.8200/+30.8600+129.8025/+30.8610+129.8000/+30.8800+129.7807/+30.8815+129.7800/+30.8896+129.7600/+30.8978+129.7400/+30.9000+129.7353/+30.9022+129.7400/ 西 60 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/+30.7812+130.3000/+30.7882+130.2800/+30.8000+130.2674/+30.8103+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-17T03:00:00+09:00 2026-09-17T06:00:00+09:00 降灰 70 +30.8632+129.7600/+30.8697+129.7800/+30.8768+129.8000/+30.8708+129.8200/+30.8669+129.8400/+30.8654+129.8600/+30.8642+129.8800/+30.8600+129.8996/+30.8599+129.9000/+30.8600+129.9010/+30.8615+129.9200/+30.8600+129.9297/+30.8590+129.9400/+30.8565+129.9600/+30.8525+129.9800/+30.8428+130.0000/+30.8400+130.0039/+30.8386+130.0200/+30.8376+130.0400/+30.8367+130.0600/+30.8337+130.0800/+30.8333+130.1000/+30.8313+130.1200/+30.8301+130.1400/+30.8264+130.1600/+30.8212+130.1800/+30.8200+130.1853/+30.8199+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8200+130.2570/+30.8240+130.2600/+30.8301+130.2800/+30.8200+130.2929/+30.8200+130.3000/+30.8128+130.3200/+30.8000+130.3328/+30.7800+130.3249/+30.7751+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2434/+30.7567+130.2400/+30.7444+130.2200/+30.7428+130.2000/+30.7426+130.1800/+30.7423+130.1600/+30.7424+130.1400/+30.7425+130.1200/+30.7427+130.1000/+30.7434+130.0800/+30.7438+130.0600/+30.7451+130.0400/+30.7469+130.0200/+30.7492+130.0000/+30.7433+129.9800/+30.7474+129.9600/+30.7536+129.9400/+30.7600+129.9256/+30.7622+129.9200/+30.7658+129.9000/+30.7711+129.8800/+30.7777+129.8600/+30.7800+129.8547/+30.7882+129.8400/+30.7950+129.8200/+30.8000+129.8080/+30.8041+129.8000/+30.8200+129.7801/+30.8202+129.7800/+30.8345+129.7600/+30.8400+129.7525/+30.8600+129.7536/+30.8632+129.7600/ 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+130.3069/+30.7731+130.3000/+30.7729+130.2800/+30.7800+130.2700/+30.8000+130.2674/+30.8103+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T06:00:00+09:00 2026-09-17T09:00:00+09:00 降灰 70 +30.8210+129.7800/+30.8200+129.7973/+30.8199+129.8000/+30.8200+129.8019/+30.8210+129.8200/+30.8219+129.8400/+30.8236+129.8600/+30.8250+129.8800/+30.8200+129.8974/+30.8194+129.9000/+30.8199+129.9200/+30.8200+129.9206/+30.8229+129.9400/+30.8244+129.9600/+30.8250+129.9800/+30.8200+129.9864/+30.8162+130.0000/+30.8165+130.0200/+30.8161+130.0400/+30.8160+130.0600/+30.8165+130.0800/+30.8176+130.1000/+30.8182+130.1200/+30.8183+130.1400/+30.8188+130.1600/+30.8193+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8103+130.3200/+30.8000+130.3303/+30.7800+130.3205/+30.7795+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2371/+30.7458+130.2200/+30.7430+130.2000/+30.7421+130.1800/+30.7418+130.1600/+30.7418+130.1400/+30.7415+130.1200/+30.7412+130.1000/+30.7409+130.0800/+30.7407+130.0600/+30.7401+130.0400/+30.7403+130.0200/+30.7400+130.0067/+30.7387+130.0000/+30.7270+129.9800/+30.7276+129.9600/+30.7282+129.9400/+30.7288+129.9200/+30.7302+129.9000/+30.7295+129.8800/+30.7310+129.8600/+30.7329+129.8400/+30.7337+129.8200/+30.7346+129.8000/+30.7317+129.7800/+30.7342+129.7600/+30.7383+129.7400/+30.7400+129.7341/+30.7484+129.7200/+30.7600+129.7041/+30.7734+129.7000/+30.7800+129.6961/+30.8000+129.6850/+30.8036+129.7000/+30.8103+129.7200/+30.8154+129.7400/+30.8187+129.7600/+30.8200+129.7711/+30.8210+129.7800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8120+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3031/+30.7769+130.3000/+30.7719+130.2800/+30.7800+130.2690/+30.8000+130.2649/+30.8120+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、１６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。 　１６日１５時から１７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 　１６日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１６日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１６日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日００時から０３時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０６時から０９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。