2026-10-12T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-12T11:00:00+09:00 2026-10-12T12:00:00+09:00 2026-10-13T06:00:00+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２１時から２４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 2026-10-12T12:00:00+09:00 2026-10-12T15:00:00+09:00 降灰 70 +31.0127+129.8400/+31.0116+129.8600/+31.0088+129.8800/+31.0000+129.8960/+30.9984+129.9000/+30.9928+129.9200/+30.9872+129.9400/+30.9800+129.9525/+30.9761+129.9600/+30.9653+129.9800/+30.9600+129.9872/+30.9563+130.0000/+30.9499+130.0200/+30.9400+130.0367/+30.9381+130.0400/+30.9200+130.0570/+30.9190+130.0600/+30.9149+130.0800/+30.9049+130.1000/+30.9000+130.1056/+30.8967+130.1200/+30.8883+130.1400/+30.8800+130.1491/+30.8784+130.1600/+30.8739+130.1800/+30.8600+130.1952/+30.8596+130.2000/+30.8587+130.2200/+30.8502+130.2400/+30.8400+130.2503/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8167+130.3200/+30.8000+130.3367/+30.7800+130.3306/+30.7694+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7873+130.2000/+30.8000+130.1854/+30.8004+130.1800/+30.8017+130.1600/+30.8060+130.1400/+30.8200+130.1217/+30.8203+130.1200/+30.8231+130.1000/+30.8291+130.0800/+30.8400+130.0631/+30.8408+130.0600/+30.8463+130.0400/+30.8546+130.0200/+30.8545+130.0000/+30.8600+129.9909/+30.8666+129.9800/+30.8773+129.9600/+30.8800+129.9558/+30.8899+129.9400/+30.9000+129.9281/+30.9048+129.9200/+30.9089+129.9000/+30.9200+129.8884/+30.9275+129.8800/+30.9400+129.8610/+30.9408+129.8600/+30.9600+129.8435/+30.9703+129.8400/+30.9800+129.8338/+31.0000+129.8230/+31.0127+129.8400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8059+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7941+130.2800/+30.8000+130.2729/+30.8059+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 +30.9676+129.8800/+30.9741+129.9000/+30.9770+129.9200/+30.9717+129.9400/+30.9607+129.9600/+30.9600+129.9609/+30.9527+129.9800/+30.9446+130.0000/+30.9400+130.0095/+30.9366+130.0200/+30.9200+130.0394/+30.9197+130.0400/+30.9130+130.0600/+30.9022+130.0800/+30.9000+130.0825/+30.8955+130.1000/+30.8854+130.1200/+30.8800+130.1272/+30.8784+130.1400/+30.8730+130.1600/+30.8600+130.1761/+30.8597+130.1800/+30.8587+130.2000/+30.8543+130.2200/+30.8400+130.2352/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8175+130.3200/+30.8000+130.3375/+30.7800+130.3339/+30.7661+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7723+130.2600/+30.7800+130.2522/+30.7801+130.2400/+30.7805+130.2200/+30.7820+130.2000/+30.7903+130.1800/+30.8000+130.1680/+30.8005+130.1600/+30.8020+130.1400/+30.8058+130.1200/+30.8159+130.1000/+30.8200+130.0929/+30.8218+130.0800/+30.8264+130.0600/+30.8360+130.0400/+30.8400+130.0345/+30.8447+130.0200/+30.8482+130.0000/+30.8576+129.9800/+30.8600+129.9755/+30.8702+129.9600/+30.8800+129.9466/+30.8846+129.9400/+30.8980+129.9200/+30.9000+129.9150/+30.9064+129.9000/+30.9200+129.8833/+30.9371+129.8800/+30.9400+129.8791/+30.9600+129.8719/+30.9676+129.8800/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8021+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7979+130.2800/+30.8000+130.2775/+30.8021+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 +30.9330+129.8400/+30.9370+129.8600/+30.9395+129.8800/+30.9358+129.9000/+30.9324+129.9200/+30.9269+129.9400/+30.9228+129.9600/+30.9200+129.9688/+30.9177+129.9800/+30.9124+130.0000/+30.9000+130.0157/+30.8990+130.0200/+30.8964+130.0400/+30.8910+130.0600/+30.8815+130.0800/+30.8800+130.0821/+30.8777+130.1000/+30.8744+130.1200/+30.8655+130.1400/+30.8600+130.1470/+30.8592+130.1600/+30.8582+130.1800/+30.8551+130.2000/+30.8400+130.2175/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8383+130.2800/+30.8200+130.2983/+30.8200+130.3000/+30.8165+130.3200/+30.8000+130.3365/+30.7800+130.3321/+30.7679+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7638+130.2600/+30.7800+130.2434/+30.7801+130.2400/+30.7803+130.2200/+30.7808+130.2000/+30.7826+130.1800/+30.7873+130.1600/+30.8000+130.1410/+30.8001+130.1400/+30.8011+130.1200/+30.8026+130.1000/+30.8062+130.0800/+30.8117+130.0600/+30.8200+130.0408/+30.8201+130.0400/+30.8225+130.0200/+30.8264+130.0000/+30.8264+129.9800/+30.8369+129.9600/+30.8400+129.9558/+30.8464+129.9400/+30.8575+129.9200/+30.8600+129.9110/+30.8648+129.9000/+30.8745+129.8800/+30.8800+129.8713/+30.8940+129.8600/+30.9000+129.8532/+30.9086+129.8400/+30.9200+129.8284/+30.9330+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8042+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7958+130.2800/+30.8000+130.2749/+30.8042+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T21:00:00+09:00 2026-10-13T00:00:00+09:00 降灰 70 +30.9810+129.8800/+30.9800+129.8896/+30.9791+129.9000/+30.9776+129.9200/+30.9699+129.9400/+30.9600+129.9569/+30.9593+129.9600/+30.9554+129.9800/+30.9487+130.0000/+30.9400+130.0188/+30.9396+130.0200/+30.9242+130.0400/+30.9200+130.0445/+30.9171+130.0600/+30.9082+130.0800/+30.9000+130.0919/+30.8986+130.1000/+30.8944+130.1200/+30.8815+130.1400/+30.8800+130.1416/+30.8776+130.1600/+30.8698+130.1800/+30.8600+130.1905/+30.8594+130.2000/+30.8581+130.2200/+30.8400+130.2397/+30.8400+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8166+130.3200/+30.8000+130.3366/+30.7800+130.3319/+30.7681+130.3200/+30.7601+130.3000/+30.7604+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7878+130.2000/+30.8000+130.1867/+30.8005+130.1800/+30.8017+130.1600/+30.8056+130.1400/+30.8200+130.1212/+30.8202+130.1200/+30.8224+130.1000/+30.8283+130.0800/+30.8387+130.0600/+30.8400+130.0581/+30.8437+130.0400/+30.8512+130.0200/+30.8517+130.0000/+30.8600+129.9845/+30.8628+129.9800/+30.8717+129.9600/+30.8800+129.9468/+30.8841+129.9400/+30.9000+129.9204/+30.9003+129.9200/+30.9055+129.9000/+30.9200+129.8839/+30.9268+129.8800/+30.9400+129.8645/+30.9441+129.8600/+30.9600+129.8432/+30.9744+129.8600/+30.9800+129.8759/+30.9810+129.8800/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8042+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7959+130.2800/+30.8000+130.2750/+30.8042+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-13T00:00:00+09:00 2026-10-13T03:00:00+09:00 降灰 70 +31.0093+129.9000/+31.0154+129.9200/+31.0023+129.9400/+31.0000+129.9431/+30.9935+129.9600/+30.9851+129.9800/+30.9800+129.9879/+30.9725+130.0000/+30.9600+130.0152/+30.9581+130.0200/+30.9522+130.0400/+30.9400+130.0531/+30.9357+130.0600/+30.9261+130.0800/+30.9200+130.0892/+30.9174+130.1000/+30.9076+130.1200/+30.9000+130.1315/+30.8985+130.1400/+30.8928+130.1600/+30.8800+130.1774/+30.8796+130.1800/+30.8774+130.2000/+30.8664+130.2200/+30.8600+130.2267/+30.8590+130.2400/+30.8534+130.2600/+30.8400+130.2735/+30.8398+130.2800/+30.8376+130.3000/+30.8200+130.3176/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3340/+30.7660+130.3200/+30.7601+130.3000/+30.7605+130.2800/+30.7800+130.2604/+30.7801+130.2600/+30.7804+130.2400/+30.7822+130.2200/+30.8000+130.2002/+30.8000+130.2000/+30.8013+130.1800/+30.8051+130.1600/+30.8191+130.1400/+30.8200+130.1389/+30.8229+130.1200/+30.8306+130.1000/+30.8400+130.0872/+30.8418+130.0800/+30.8486+130.0600/+30.8600+130.0417/+30.8607+130.0400/+30.8674+130.0200/+30.8728+130.0000/+30.8800+129.9907/+30.8889+129.9800/+30.9000+129.9668/+30.9057+129.9600/+30.9200+129.9422/+30.9228+129.9400/+30.9400+129.9208/+30.9408+129.9200/+30.9598+129.9000/+30.9600+129.8998/+30.9800+129.8963/+31.0000+129.8866/+31.0093+129.9000/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8039+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7968+130.2800/+30.8000+130.2762/+30.8039+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-13T03:00:00+09:00 2026-10-13T06:00:00+09:00 降灰 70 +31.0523+129.9600/+31.0570+129.9800/+31.0587+130.0000/+31.0489+130.0200/+31.0400+130.0314/+31.0355+130.0400/+31.0203+130.0600/+31.0200+130.0603/+31.0121+130.0800/+31.0000+130.0959/+30.9956+130.1000/+30.9800+130.1110/+30.9739+130.1200/+30.9600+130.1344/+30.9569+130.1400/+30.9400+130.1590/+30.9395+130.1600/+30.9252+130.1800/+30.9200+130.1849/+30.9122+130.2000/+30.9000+130.2124/+30.8965+130.2200/+30.8800+130.2367/+30.8791+130.2400/+30.8600+130.2594/+30.8599+130.2600/+30.8549+130.2800/+30.8400+130.2949/+30.8397+130.3000/+30.8200+130.3197/+30.8187+130.3200/+30.8000+130.3387/+30.7800+130.3362/+30.7638+130.3200/+30.7602+130.3000/+30.7651+130.2800/+30.7800+130.2651/+30.7806+130.2600/+30.8000+130.2406/+30.8004+130.2400/+30.8087+130.2200/+30.8200+130.2084/+30.8222+130.2000/+30.8400+130.1811/+30.8407+130.1800/+30.8485+130.1600/+30.8600+130.1473/+30.8632+130.1400/+30.8795+130.1200/+30.8800+130.1193/+30.8884+130.1000/+30.9000+130.0862/+30.9048+130.0800/+30.9191+130.0600/+30.9200+130.0590/+30.9320+130.0400/+30.9400+130.0248/+30.9434+130.0200/+30.9600+130.0005/+30.9607+130.0000/+30.9800+129.9831/+30.9854+129.9800/+31.0000+129.9676/+31.0200+129.9611/+31.0250+129.9600/+31.0400+129.9518/+31.0523+129.9600/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2804/+30.8188+130.3000/ 北西 1 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２１時から２４時までは火口から北西方向に降灰が予想されます。 　１２日１２時から１３日６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１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１５時から１８時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１２日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日２１時から２４時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１３日００時から０３時まで　北西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１３日０３時から０６時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　 　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。