2026-09-01T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T17:00:00+09:00 2026-09-01T18:00:00+09:00 2026-09-02T12:00:00+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、１日２１時から２４時までは火口から西方向、２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 2026-09-01T18:00:00+09:00 2026-09-01T21:00:00+09:00 降灰 70 +30.9407+129.6400/+30.9425+129.6600/+30.9444+129.6800/+30.9457+129.7000/+30.9452+129.7200/+30.9448+129.7400/+30.9425+129.7600/+30.9400+129.7725/+30.9390+129.7800/+30.9367+129.8000/+30.9388+129.8200/+30.9379+129.8400/+30.9351+129.8600/+30.9318+129.8800/+30.9236+129.9000/+30.9200+129.9137/+30.9195+129.9200/+30.9155+129.9400/+30.9112+129.9600/+30.9079+129.9800/+30.9000+129.9948/+30.8994+130.0000/+30.8945+130.0200/+30.8901+130.0400/+30.8800+130.0580/+30.8798+130.0600/+30.8781+130.0800/+30.8765+130.1000/+30.8722+130.1200/+30.8600+130.1364/+30.8597+130.1400/+30.8591+130.1600/+30.8584+130.1800/+30.8556+130.2000/+30.8400+130.2167/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8383+130.2800/+30.8200+130.2984/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7618+130.2600/+30.7800+130.2409/+30.7800+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7809+130.1800/+30.7820+130.1600/+30.7840+130.1400/+30.7892+130.1200/+30.8000+130.1025/+30.8002+130.1000/+30.8012+130.0800/+30.8024+130.0600/+30.8040+130.0400/+30.8056+130.0200/+30.8092+130.0000/+30.8059+129.9800/+30.8095+129.9600/+30.8149+129.9400/+30.8200+129.9270/+30.8221+129.9200/+30.8267+129.9000/+30.8292+129.8800/+30.8386+129.8600/+30.8400+129.8578/+30.8452+129.8400/+30.8488+129.8200/+30.8533+129.8000/+30.8594+129.7800/+30.8600+129.7780/+30.8638+129.7600/+30.8683+129.7400/+30.8741+129.7200/+30.8800+129.7031/+30.8812+129.7000/+30.8876+129.6800/+30.8965+129.6600/+30.9000+129.6516/+30.9200+129.6498/+30.9379+129.6400/+30.9400+129.6284/+30.9407+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8151+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7849+130.2800/+30.8000+130.2616/+30.8151+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T21:00:00+09:00 2026-09-02T00:00:00+09:00 降灰 70 +30.9624+129.6600/+30.9652+129.6800/+30.9671+129.7000/+30.9680+129.7200/+30.9690+129.7400/+30.9680+129.7600/+30.9647+129.7800/+30.9605+129.8000/+30.9600+129.8004/+30.9525+129.8200/+30.9524+129.8400/+30.9505+129.8600/+30.9480+129.8800/+30.9455+129.9000/+30.9422+129.9200/+30.9400+129.9226/+30.9320+129.9400/+30.9294+129.9600/+30.9251+129.9800/+30.9200+129.9944/+30.9185+130.0000/+30.9000+130.0148/+30.8990+130.0200/+30.8978+130.0400/+30.8951+130.0600/+30.8829+130.0800/+30.8800+130.0838/+30.8792+130.1000/+30.8778+130.1200/+30.8727+130.1400/+30.8600+130.1557/+30.8598+130.1600/+30.8594+130.1800/+30.8583+130.2000/+30.8452+130.2200/+30.8400+130.2253/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7605+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7814+130.2000/+30.7916+130.1800/+30.8000+130.1710/+30.8004+130.1600/+30.8011+130.1400/+30.8035+130.1200/+30.8145+130.1000/+30.8200+130.0935/+30.8210+130.0800/+30.8225+130.0600/+30.8255+130.0400/+30.8343+130.0200/+30.8400+130.0114/+30.8414+130.0000/+30.8411+129.9800/+30.8427+129.9600/+30.8447+129.9400/+30.8476+129.9200/+30.8507+129.9000/+30.8517+129.8800/+30.8546+129.8600/+30.8590+129.8400/+30.8600+129.8356/+30.8647+129.8200/+30.8751+129.8000/+30.8763+129.7800/+30.8800+129.7702/+30.8849+129.7600/+30.8954+129.7400/+30.9000+129.7314/+30.9113+129.7200/+30.9200+129.7068/+30.9234+129.7000/+30.9315+129.6800/+30.9385+129.6600/+30.9400+129.6548/+30.9600+129.6476/+30.9624+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8144+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7856+130.2800/+30.8000+130.2613/+30.8144+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +31.0010+129.6000/+31.0004+129.6200/+31.0000+129.6368/+30.9990+129.6200/+30.9987+129.6000/+31.0000+129.5964/+31.0010+129.6000/ +30.9830+129.6600/+30.9839+129.6800/+30.9840+129.7000/+30.9825+129.7200/+30.9815+129.7400/+30.9800+129.7548/+30.9795+129.7600/+30.9761+129.7800/+30.9727+129.8000/+30.9600+129.8129/+30.9561+129.8200/+30.9526+129.8400/+30.9506+129.8600/+30.9486+129.8800/+30.9459+129.9000/+30.9420+129.9200/+30.9400+129.9223/+30.9307+129.9400/+30.9272+129.9600/+30.9212+129.9800/+30.9200+129.9830/+30.9144+130.0000/+30.9000+130.0108/+30.8979+130.0200/+30.8954+130.0400/+30.8886+130.0600/+30.8800+130.0711/+30.8793+130.0800/+30.8783+130.1000/+30.8762+130.1200/+30.8641+130.1400/+30.8600+130.1446/+30.8595+130.1600/+30.8590+130.1800/+30.8571+130.2000/+30.8400+130.2186/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8389+130.2800/+30.8200+130.2990/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7604+130.2800/+30.7672+130.2600/+30.7800+130.2470/+30.7801+130.2400/+30.7802+130.2200/+30.7808+130.2000/+30.7838+130.1800/+30.7981+130.1600/+30.8000+130.1576/+30.8006+130.1400/+30.8018+130.1200/+30.8052+130.1000/+30.8187+130.0800/+30.8200+130.0782/+30.8213+130.0600/+30.8231+130.0400/+30.8278+130.0200/+30.8396+130.0000/+30.8400+129.9880/+30.8401+129.9800/+30.8420+129.9600/+30.8445+129.9400/+30.8484+129.9200/+30.8529+129.9000/+30.8532+129.8800/+30.8579+129.8600/+30.8600+129.8540/+30.8671+129.8400/+30.8790+129.8200/+30.8800+129.8188/+30.8867+129.8000/+30.8827+129.7800/+30.8947+129.7600/+30.9000+129.7528/+30.9085+129.7400/+30.9178+129.7200/+30.9200+129.7148/+30.9261+129.7000/+30.9336+129.6800/+30.9400+129.6667/+30.9493+129.6600/+30.9600+129.6502/+30.9800+129.6561/+30.9830+129.6600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8141+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7859+130.2800/+30.8000+130.2621/+30.8141+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T03:00:00+09:00 2026-09-02T06:00:00+09:00 降灰 70 +30.9623+129.6800/+30.9759+129.7000/+30.9748+129.7200/+30.9742+129.7400/+30.9730+129.7600/+30.9710+129.7800/+30.9693+129.8000/+30.9600+129.8142/+30.9572+129.8200/+30.9533+129.8400/+30.9504+129.8600/+30.9481+129.8800/+30.9456+129.9000/+30.9427+129.9200/+30.9400+129.9236/+30.9314+129.9400/+30.9276+129.9600/+30.9233+129.9800/+30.9200+129.9940/+30.9190+130.0000/+30.9000+130.0196/+30.8999+130.0200/+30.8987+130.0400/+30.8963+130.0600/+30.8877+130.0800/+30.8800+130.0946/+30.8796+130.1000/+30.8776+130.1200/+30.8727+130.1400/+30.8600+130.1570/+30.8598+130.1600/+30.8591+130.1800/+30.8575+130.2000/+30.8400+130.2198/+30.8400+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8387+130.2800/+30.8200+130.2988/+30.8199+130.3000/+30.8068+130.3200/+30.8000+130.3268/+30.7877+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7603+130.2800/+30.7624+130.2600/+30.7790+130.2400/+30.7800+130.2387/+30.7802+130.2200/+30.7805+130.2000/+30.7816+130.1800/+30.7841+130.1600/+30.7919+130.1400/+30.7993+130.1200/+30.8000+130.1188/+30.8018+130.1000/+30.8058+130.0800/+30.8131+130.0600/+30.8199+130.0400/+30.8200+130.0398/+30.8237+130.0200/+30.8338+130.0000/+30.8312+129.9800/+30.8400+129.9651/+30.8408+129.9600/+30.8436+129.9400/+30.8467+129.9200/+30.8508+129.9000/+30.8537+129.8800/+30.8593+129.8600/+30.8600+129.8582/+30.8700+129.8400/+30.8800+129.8216/+30.8807+129.8200/+30.8892+129.8000/+30.8917+129.7800/+30.9000+129.7666/+30.9063+129.7600/+30.9182+129.7400/+30.9200+129.7362/+30.9272+129.7200/+30.9348+129.7000/+30.9400+129.6887/+30.9564+129.6800/+30.9600+129.6779/+30.9623+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8137+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7863+130.2800/+30.8000+130.2624/+30.8137+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +30.9617+129.7200/+30.9642+129.7400/+30.9643+129.7600/+30.9623+129.7800/+30.9603+129.8000/+30.9600+129.8003/+30.9516+129.8200/+30.9501+129.8400/+30.9481+129.8600/+30.9461+129.8800/+30.9434+129.9000/+30.9400+129.9189/+30.9398+129.9200/+30.9291+129.9400/+30.9254+129.9600/+30.9222+129.9800/+30.9200+129.9855/+30.9151+130.0000/+30.9000+130.0119/+30.8977+130.0200/+30.8956+130.0400/+30.8883+130.0600/+30.8800+130.0720/+30.8791+130.0800/+30.8778+130.1000/+30.8741+130.1200/+30.8600+130.1393/+30.8599+130.1400/+30.8592+130.1600/+30.8585+130.1800/+30.8556+130.2000/+30.8400+130.2177/+30.8399+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8389+130.2800/+30.8200+130.2990/+30.8200+130.3000/+30.8083+130.3200/+30.8000+130.3283/+30.7856+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7603+130.2800/+30.7634+130.2600/+30.7800+130.2426/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7819+130.1800/+30.7850+130.1600/+30.7935+130.1400/+30.8000+130.1305/+30.8007+130.1200/+30.8024+130.1000/+30.8058+130.0800/+30.8132+130.0600/+30.8200+130.0496/+30.8214+130.0400/+30.8241+130.0200/+30.8284+130.0000/+30.8284+129.9800/+30.8400+129.9626/+30.8405+129.9600/+30.8440+129.9400/+30.8479+129.9200/+30.8535+129.9000/+30.8552+129.8800/+30.8596+129.8600/+30.8600+129.8586/+30.8672+129.8400/+30.8756+129.8200/+30.8800+129.8128/+30.8852+129.8000/+30.8813+129.7800/+30.8876+129.7600/+30.8964+129.7400/+30.9000+129.7338/+30.9200+129.7202/+30.9202+129.7200/+30.9366+129.7000/+30.9400+129.6917/+30.9511+129.7000/+30.9600+129.7092/+30.9617+129.7200/ 西 60 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/+30.7812+130.3000/+30.7861+130.2800/+30.8000+130.2631/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +30.8810+129.7400/+30.8852+129.7600/+30.8881+129.7800/+30.8952+129.8000/+30.8959+129.8200/+30.8966+129.8400/+30.8951+129.8600/+30.8935+129.8800/+30.8940+129.9000/+30.8883+129.9200/+30.8856+129.9400/+30.8820+129.9600/+30.8800+129.9693/+30.8791+129.9800/+30.8780+130.0000/+30.8679+130.0200/+30.8600+130.0326/+30.8592+130.0400/+30.8580+130.0600/+30.8574+130.0800/+30.8562+130.1000/+30.8537+130.1200/+30.8457+130.1400/+30.8400+130.1489/+30.8398+130.1600/+30.8396+130.1800/+30.8396+130.2000/+30.8395+130.2200/+30.8392+130.2400/+30.8373+130.2600/+30.8200+130.2781/+30.8200+130.2800/+30.8199+130.3000/+30.8051+130.3200/+30.8000+130.3251/+30.7903+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7604+130.2600/+30.7622+130.2400/+30.7688+130.2200/+30.7800+130.2035/+30.7801+130.2000/+30.7802+130.1800/+30.7804+130.1600/+30.7808+130.1400/+30.7812+130.1200/+30.7818+130.1000/+30.7834+130.0800/+30.7852+130.0600/+30.7883+130.0400/+30.7917+130.0200/+30.7957+130.0000/+30.7886+129.9800/+30.7916+129.9600/+30.7958+129.9400/+30.8000+129.9230/+30.8005+129.9200/+30.8036+129.9000/+30.8067+129.8800/+30.8081+129.8600/+30.8098+129.8400/+30.8115+129.8200/+30.8137+129.8000/+30.8178+129.7800/+30.8200+129.7681/+30.8217+129.7600/+30.8262+129.7400/+30.8308+129.7200/+30.8365+129.7000/+30.8400+129.6865/+30.8525+129.6800/+30.8600+129.6761/+30.8616+129.6800/+30.8686+129.7000/+30.8756+129.7200/+30.8800+129.7357/+30.8810+129.7400/ 西 60 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 　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、１日２１時から２４時までは火口から西方向、２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。 　１日１８時から２日１２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 　０１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０１日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０９時から１２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。