2026-10-11T17:00:00Z 通常 気象庁本庁 気象庁 2026-10-12T02:00:00+09:00 2026-10-12T03:00:00+09:00 2026-10-12T21:00:00+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、１２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 2026-10-12T03:00:00+09:00 2026-10-12T06:00:00+09:00 降灰 70 +30.9431+129.8200/+30.9436+129.8400/+30.9420+129.8600/+30.9408+129.8800/+30.9400+129.8869/+30.9385+129.9000/+30.9359+129.9200/+30.9287+129.9400/+30.9246+129.9600/+30.9200+129.9746/+30.9189+129.9800/+30.9136+130.0000/+30.9000+130.0140/+30.8985+130.0200/+30.8957+130.0400/+30.8896+130.0600/+30.8800+130.0799/+30.8800+130.0800/+30.8782+130.1000/+30.8757+130.1200/+30.8666+130.1400/+30.8600+130.1482/+30.8594+130.1600/+30.8588+130.1800/+30.8567+130.2000/+30.8400+130.2194/+30.8400+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2990/+30.8200+130.3000/+30.8156+130.3200/+30.8000+130.3356/+30.7800+130.3294/+30.7706+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7701+130.2600/+30.7800+130.2501/+30.7801+130.2400/+30.7803+130.2200/+30.7812+130.2000/+30.7844+130.1800/+30.7968+130.1600/+30.8000+130.1557/+30.8007+130.1400/+30.8017+130.1200/+30.8040+130.1000/+30.8089+130.0800/+30.8174+130.0600/+30.8200+130.0554/+30.8217+130.0400/+30.8232+130.0200/+30.8278+130.0000/+30.8279+129.9800/+30.8381+129.9600/+30.8400+129.9570/+30.8438+129.9400/+30.8504+129.9200/+30.8567+129.9000/+30.8600+129.8864/+30.8619+129.8800/+30.8688+129.8600/+30.8800+129.8408/+30.8808+129.8400/+30.8931+129.8200/+30.9000+129.8072/+30.9200+129.8013/+30.9400+129.8088/+30.9431+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8056+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7944+130.2800/+30.8000+130.2731/+30.8056+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T06:00:00+09:00 2026-10-12T09:00:00+09:00 降灰 70 +31.0032+129.8400/+31.0000+129.8456/+30.9908+129.8600/+30.9853+129.8800/+30.9809+129.9000/+30.9800+129.9046/+30.9770+129.9200/+30.9631+129.9400/+30.9600+129.9433/+30.9565+129.9600/+30.9526+129.9800/+30.9451+130.0000/+30.9400+130.0096/+30.9370+130.0200/+30.9200+130.0378/+30.9191+130.0400/+30.9149+130.0600/+30.9081+130.0800/+30.9000+130.0901/+30.8980+130.1000/+30.8913+130.1200/+30.8800+130.1346/+30.8793+130.1400/+30.8774+130.1600/+30.8695+130.1800/+30.8600+130.1901/+30.8594+130.2000/+30.8582+130.2200/+30.8403+130.2400/+30.8400+130.2403/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8155+130.3200/+30.8000+130.3355/+30.7800+130.3279/+30.7721+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7802+130.2400/+30.7807+130.2200/+30.7845+130.2000/+30.8000+130.1826/+30.8002+130.1800/+30.8011+130.1600/+30.8033+130.1400/+30.8110+130.1200/+30.8200+130.1078/+30.8211+130.1000/+30.8238+130.0800/+30.8297+130.0600/+30.8400+130.0409/+30.8402+130.0400/+30.8444+130.0200/+30.8473+130.0000/+30.8551+129.9800/+30.8600+129.9681/+30.8631+129.9600/+30.8717+129.9400/+30.8800+129.9262/+30.8831+129.9200/+30.8921+129.9000/+30.9000+129.8863/+30.9047+129.8800/+30.9161+129.8600/+30.9200+129.8553/+30.9356+129.8400/+30.9400+129.8324/+30.9478+129.8200/+30.9600+129.8092/+30.9778+129.8200/+30.9800+129.8218/+31.0000+129.8304/+31.0032+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7920+130.2800/+30.8000+130.2705/+30.8092+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T09:00:00+09:00 2026-10-12T12:00:00+09:00 降灰 70 +31.0291+129.8600/+31.0275+129.8800/+31.0215+129.9000/+31.0200+129.9055/+31.0163+129.9200/+31.0044+129.9400/+31.0000+129.9456/+30.9952+129.9600/+30.9866+129.9800/+30.9800+129.9913/+30.9756+130.0000/+30.9602+130.0200/+30.9600+130.0202/+30.9540+130.0400/+30.9400+130.0541/+30.9359+130.0600/+30.9218+130.0800/+30.9200+130.0823/+30.9156+130.1000/+30.9000+130.1190/+30.8998+130.1200/+30.8964+130.1400/+30.8808+130.1600/+30.8800+130.1609/+30.8781+130.1800/+30.8654+130.2000/+30.8600+130.2056/+30.8594+130.2200/+30.8567+130.2400/+30.8400+130.2570/+30.8399+130.2600/+30.8398+130.2800/+30.8281+130.3000/+30.8200+130.3081/+30.8154+130.3200/+30.8000+130.3354/+30.7800+130.3271/+30.7729+130.3200/+30.7602+130.3000/+30.7607+130.2800/+30.7800+130.2607/+30.7801+130.2600/+30.7803+130.2400/+30.7833+130.2200/+30.8000+130.2029/+30.8003+130.2000/+30.8013+130.1800/+30.8081+130.1600/+30.8200+130.1459/+30.8207+130.1400/+30.8237+130.1200/+30.8365+130.1000/+30.8400+130.0954/+30.8425+130.0800/+30.8511+130.0600/+30.8600+130.0471/+30.8619+130.0400/+30.8685+130.0200/+30.8703+130.0000/+30.8800+129.9863/+30.8846+129.9800/+30.8989+129.9600/+30.9000+129.9589/+30.9090+129.9400/+30.9200+129.9234/+30.9239+129.9200/+30.9356+129.9000/+30.9400+129.8939/+30.9530+129.8800/+30.9600+129.8714/+30.9747+129.8600/+30.9800+129.8552/+30.9939+129.8400/+31.0000+129.8320/+31.0167+129.8400/+31.0200+129.8429/+31.0291+129.8600/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8073+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7939+130.2800/+30.8000+130.2725/+30.8073+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T12:00:00+09:00 2026-10-12T15:00:00+09:00 降灰 70 +31.0050+129.8400/+31.0086+129.8600/+31.0105+129.8800/+31.0030+129.9000/+31.0000+129.9073/+30.9967+129.9200/+30.9913+129.9400/+30.9850+129.9600/+30.9800+129.9698/+30.9756+129.9800/+30.9657+130.0000/+30.9600+130.0078/+30.9567+130.0200/+30.9496+130.0400/+30.9400+130.0519/+30.9352+130.0600/+30.9200+130.0785/+30.9194+130.0800/+30.9145+130.1000/+30.9000+130.1191/+30.8998+130.1200/+30.8959+130.1400/+30.8800+130.1597/+30.8799+130.1600/+30.8778+130.1800/+30.8678+130.2000/+30.8600+130.2084/+30.8593+130.2200/+30.8561+130.2400/+30.8400+130.2565/+30.8399+130.2600/+30.8397+130.2800/+30.8270+130.3000/+30.8200+130.3070/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3321/+30.7679+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7803+130.2400/+30.7818+130.2200/+30.7960+130.2000/+30.8000+130.1957/+30.8010+130.1800/+30.8040+130.1600/+30.8178+130.1400/+30.8200+130.1374/+30.8223+130.1200/+30.8280+130.1000/+30.8400+130.0841/+30.8412+130.0800/+30.8458+130.0600/+30.8566+130.0400/+30.8600+130.0349/+30.8645+130.0200/+30.8666+130.0000/+30.8780+129.9800/+30.8800+129.9763/+30.8886+129.9600/+30.9000+129.9466/+30.9043+129.9400/+30.9163+129.9200/+30.9200+129.9123/+30.9292+129.9000/+30.9400+129.8861/+30.9449+129.8800/+30.9572+129.8600/+30.9600+129.8565/+30.9800+129.8495/+30.9911+129.8400/+31.0000+129.8331/+31.0050+129.8400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8050+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7959+130.2800/+30.8000+130.2750/+30.8050+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T15:00:00+09:00 2026-10-12T18:00:00+09:00 降灰 70 +31.0036+129.8800/+31.0000+129.8882/+30.9954+129.9000/+30.9922+129.9200/+30.9855+129.9400/+30.9800+129.9498/+30.9754+129.9600/+30.9641+129.9800/+30.9600+129.9852/+30.9555+130.0000/+30.9493+130.0200/+30.9400+130.0371/+30.9385+130.0400/+30.9200+130.0565/+30.9187+130.0600/+30.9136+130.0800/+30.9000+130.0992/+30.8998+130.1000/+30.8958+130.1200/+30.8800+130.1395/+30.8799+130.1400/+30.8781+130.1600/+30.8720+130.1800/+30.8600+130.1926/+30.8594+130.2000/+30.8583+130.2200/+30.8419+130.2400/+30.8400+130.2419/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3326/+30.7674+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7864+130.2000/+30.8000+130.1846/+30.8004+130.1800/+30.8019+130.1600/+30.8064+130.1400/+30.8200+130.1211/+30.8202+130.1200/+30.8230+130.1000/+30.8301+130.0800/+30.8400+130.0653/+30.8413+130.0600/+30.8473+130.0400/+30.8559+130.0200/+30.8574+130.0000/+30.8600+129.9959/+30.8697+129.9800/+30.8800+129.9624/+30.8814+129.9600/+30.8963+129.9400/+30.9000+129.9359/+30.9095+129.9200/+30.9181+129.9000/+30.9200+129.8980/+30.9400+129.8816/+30.9416+129.8800/+30.9589+129.8600/+30.9600+129.8590/+30.9800+129.8599/+30.9819+129.8600/+31.0000+129.8637/+31.0036+129.8800/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8032+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7968+130.2800/+30.8000+130.2760/+30.8032+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T18:00:00+09:00 2026-10-12T21:00:00+09:00 降灰 70 +30.9641+129.8600/+30.9709+129.8800/+30.9632+129.9000/+30.9600+129.9071/+30.9561+129.9200/+30.9512+129.9400/+30.9479+129.9600/+30.9438+129.9800/+30.9400+129.9910/+30.9374+130.0000/+30.9314+130.0200/+30.9200+130.0316/+30.9156+130.0400/+30.9091+130.0600/+30.9000+130.0755/+30.8992+130.0800/+30.8960+130.1000/+30.8885+130.1200/+30.8800+130.1327/+30.8791+130.1400/+30.8761+130.1600/+30.8655+130.1800/+30.8600+130.1862/+30.8592+130.2000/+30.8576+130.2200/+30.8400+130.2400/+30.8398+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8160+130.3200/+30.8000+130.3360/+30.7800+130.3309/+30.7691+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7802+130.2400/+30.7806+130.2200/+30.7828+130.2000/+30.7924+130.1800/+30.8000+130.1702/+30.8007+130.1600/+30.8023+130.1400/+30.8068+130.1200/+30.8164+130.1000/+30.8200+130.0940/+30.8217+130.0800/+30.8256+130.0600/+30.8316+130.0400/+30.8400+130.0230/+30.8407+130.0200/+30.8445+130.0000/+30.8487+129.9800/+30.8563+129.9600/+30.8600+129.9528/+30.8673+129.9400/+30.8792+129.9200/+30.8800+129.9183/+30.8906+129.9000/+30.9000+129.8850/+30.9035+129.8800/+30.9192+129.8600/+30.9200+129.8593/+30.9400+129.8571/+30.9600+129.8525/+30.9641+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8073+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7927+130.2800/+30.8000+130.2715/+30.8073+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、１２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。 　１２日３時から１２日２１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 　１２日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１５時から１８時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１８時から２１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。