2026-10-11T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-12T05:00:00+09:00 2026-10-12T06:00:00+09:00 2026-10-13T00:00:00+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、１２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 2026-10-12T06:00:00+09:00 2026-10-12T09:00:00+09:00 降灰 70 +30.9655+129.8000/+30.9708+129.8200/+30.9705+129.8400/+30.9648+129.8600/+30.9600+129.8740/+30.9586+129.8800/+30.9545+129.9000/+30.9520+129.9200/+30.9465+129.9400/+30.9400+129.9580/+30.9395+129.9600/+30.9340+129.9800/+30.9292+130.0000/+30.9229+130.0200/+30.9200+130.0227/+30.9027+130.0400/+30.9000+130.0448/+30.8983+130.0600/+30.8950+130.0800/+30.8872+130.1000/+30.8800+130.1091/+30.8787+130.1200/+30.8764+130.1400/+30.8671+130.1600/+30.8600+130.1677/+30.8594+130.1800/+30.8586+130.2000/+30.8537+130.2200/+30.8400+130.2342/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8151+130.3200/+30.8000+130.3351/+30.7800+130.3274/+30.7726+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7820+130.2000/+30.7912+130.1800/+30.8000+130.1694/+30.8004+130.1600/+30.8014+130.1400/+30.8039+130.1200/+30.8117+130.1000/+30.8200+130.0880/+30.8209+130.0800/+30.8230+130.0600/+30.8264+130.0400/+30.8323+130.0200/+30.8400+130.0060/+30.8412+130.0000/+30.8426+129.9800/+30.8468+129.9600/+30.8531+129.9400/+30.8600+129.9245/+30.8623+129.9200/+30.8727+129.9000/+30.8800+129.8889/+30.8859+129.8800/+30.8918+129.8600/+30.8990+129.8400/+30.9000+129.8374/+30.9083+129.8200/+30.9200+129.8082/+30.9345+129.8000/+30.9400+129.7917/+30.9600+129.7902/+30.9655+129.8000/ 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+130.2711/+30.8073+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 +31.0027+129.8000/+31.0106+129.8200/+31.0159+129.8400/+31.0124+129.8600/+31.0083+129.8800/+31.0000+129.8924/+30.9962+129.9000/+30.9898+129.9200/+30.9840+129.9400/+30.9800+129.9464/+30.9712+129.9600/+30.9600+129.9743/+30.9583+129.9800/+30.9542+130.0000/+30.9485+130.0200/+30.9400+130.0337/+30.9351+130.0400/+30.9200+130.0537/+30.9186+130.0600/+30.9155+130.0800/+30.9051+130.1000/+30.9000+130.1059/+30.8972+130.1200/+30.8885+130.1400/+30.8800+130.1499/+30.8789+130.1600/+30.8762+130.1800/+30.8600+130.1981/+30.8598+130.2000/+30.8591+130.2200/+30.8541+130.2400/+30.8400+130.2543/+30.8399+130.2600/+30.8397+130.2800/+30.8241+130.3000/+30.8200+130.3041/+30.8154+130.3200/+30.8000+130.3354/+30.7800+130.3274/+30.7726+130.3200/+30.7602+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7802+130.2400/+30.7816+130.2200/+30.8000+130.2005/+30.8001+130.2000/+30.8008+130.1800/+30.8027+130.1600/+30.8124+130.1400/+30.8200+130.1311/+30.8213+130.1200/+30.8247+130.1000/+30.8349+130.0800/+30.8400+130.0730/+30.8421+130.0600/+30.8465+130.0400/+30.8585+130.0200/+30.8557+130.0000/+30.8600+129.9930/+30.8675+129.9800/+30.8751+129.9600/+30.8800+129.9503/+30.8844+129.9400/+30.9000+129.9204/+30.9003+129.9200/+30.9036+129.9000/+30.9200+129.8852/+30.9263+129.8800/+30.9347+129.8600/+30.9400+129.8495/+30.9454+129.8400/+30.9575+129.8200/+30.9600+129.8175/+30.9800+129.8171/+30.9972+129.8000/+31.0000+129.7973/+31.0027+129.8000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8086+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7926+130.2800/+30.8000+130.2711/+30.8086+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 +31.0062+129.8400/+31.0000+129.8580/+30.9966+129.8600/+30.9896+129.8800/+30.9863+129.9000/+30.9848+129.9200/+30.9800+129.9372/+30.9793+129.9400/+30.9699+129.9600/+30.9600+129.9764/+30.9590+129.9800/+30.9533+130.0000/+30.9464+130.0200/+30.9400+130.0311/+30.9349+130.0400/+30.9200+130.0585/+30.9196+130.0600/+30.9128+130.0800/+30.9000+130.0957/+30.8988+130.1000/+30.8952+130.1200/+30.8800+130.1400/+30.8774+130.1600/+30.8700+130.1800/+30.8600+130.1911/+30.8593+130.2000/+30.8576+130.2200/+30.8400+130.2400/+30.8398+130.2600/+30.8394+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8168+130.3200/+30.8000+130.3368/+30.7800+130.3319/+30.7681+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7726+130.2600/+30.7800+130.2525/+30.7802+130.2400/+30.7806+130.2200/+30.7827+130.2000/+30.7957+130.1800/+30.8000+130.1744/+30.8009+130.1600/+30.8031+130.1400/+30.8098+130.1200/+30.8200+130.1058/+30.8211+130.1000/+30.8252+130.0800/+30.8338+130.0600/+30.8400+130.0482/+30.8421+130.0400/+30.8494+130.0200/+30.8524+130.0000/+30.8600+129.9869/+30.8652+129.9800/+30.8761+129.9600/+30.8800+129.9542/+30.8895+129.9400/+30.9000+129.9279/+30.9055+129.9200/+30.9148+129.9000/+30.9200+129.8954/+30.9396+129.8800/+30.9400+129.8794/+30.9525+129.8600/+30.9600+129.8498/+30.9800+129.8423/+30.9813+129.8400/+31.0000+129.8323/+31.0062+129.8400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8048+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7958+130.2800/+30.8000+130.2750/+30.8048+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 +30.9857+129.9000/+30.9873+129.9200/+30.9844+129.9400/+30.9800+129.9534/+30.9785+129.9600/+30.9700+129.9800/+30.9600+129.9942/+30.9579+130.0000/+30.9519+130.0200/+30.9435+130.0400/+30.9400+130.0437/+30.9265+130.0600/+30.9200+130.0678/+30.9168+130.0800/+30.9081+130.1000/+30.9000+130.1098/+30.8975+130.1200/+30.8875+130.1400/+30.8800+130.1492/+30.8788+130.1600/+30.8737+130.1800/+30.8600+130.1952/+30.8596+130.2000/+30.8584+130.2200/+30.8413+130.2400/+30.8400+130.2413/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8179+130.3200/+30.8000+130.3379/+30.7800+130.3346/+30.7654+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7859+130.2000/+30.8000+130.1830/+30.8003+130.1800/+30.8018+130.1600/+30.8058+130.1400/+30.8200+130.1219/+30.8205+130.1200/+30.8240+130.1000/+30.8330+130.0800/+30.8400+130.0692/+30.8424+130.0600/+30.8492+130.0400/+30.8600+130.0243/+30.8617+130.0200/+30.8615+130.0000/+30.8749+129.9800/+30.8800+129.9721/+30.8882+129.9600/+30.9000+129.9465/+30.9049+129.9400/+30.9143+129.9200/+30.9200+129.9093/+30.9325+129.9000/+30.9400+129.8931/+30.9523+129.8800/+30.9600+129.8699/+30.9795+129.8800/+30.9800+129.8807/+30.9857+129.9000/ 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+130.2800/+30.8188+130.3000/ 北西 1 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 +30.9439+129.8800/+30.9422+129.9000/+30.9412+129.9200/+30.9400+129.9230/+30.9346+129.9400/+30.9310+129.9600/+30.9281+129.9800/+30.9210+130.0000/+30.9200+130.0028/+30.9143+130.0200/+30.9002+130.0400/+30.9000+130.0405/+30.8967+130.0600/+30.8915+130.0800/+30.8842+130.1000/+30.8800+130.1054/+30.8780+130.1200/+30.8757+130.1400/+30.8643+130.1600/+30.8600+130.1656/+30.8593+130.1800/+30.8580+130.2000/+30.8519+130.2200/+30.8400+130.2326/+30.8398+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3319/+30.7681+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7713+130.2600/+30.7800+130.2512/+30.7801+130.2400/+30.7804+130.2200/+30.7815+130.2000/+30.7854+130.1800/+30.8000+130.1608/+30.8001+130.1600/+30.8009+130.1400/+30.8024+130.1200/+30.8052+130.1000/+30.8121+130.0800/+30.8200+130.0611/+30.8201+130.0600/+30.8230+130.0400/+30.8274+130.0200/+30.8334+130.0000/+30.8359+129.9800/+30.8400+129.9733/+30.8438+129.9600/+30.8508+129.9400/+30.8600+129.9222/+30.8618+129.9200/+30.8737+129.9000/+30.8800+129.8876/+30.8873+129.8800/+30.9000+129.8636/+30.9030+129.8600/+30.9200+129.8410/+30.9378+129.8600/+30.9400+129.8654/+30.9439+129.8800/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8070+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7930+130.2800/+30.8000+130.2716/+30.8070+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 +30.9638+129.8200/+30.9723+129.8400/+30.9708+129.8600/+30.9697+129.8800/+30.9601+129.9000/+30.9600+129.9002/+30.9542+129.9200/+30.9503+129.9400/+30.9467+129.9600/+30.9402+129.9800/+30.9400+129.9805/+30.9336+130.0000/+30.9273+130.0200/+30.9200+130.0267/+30.9118+130.0400/+30.9000+130.0600/+30.8975+130.0800/+30.8925+130.1000/+30.8800+130.1174/+30.8796+130.1200/+30.8776+130.1400/+30.8727+130.1600/+30.8600+130.1758/+30.8597+130.1800/+30.8589+130.2000/+30.8562+130.2200/+30.8400+130.2373/+30.8399+130.2400/+30.8398+130.2600/+30.8395+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3299/+30.7701+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/+30.7832+130.2000/+30.7967+130.1800/+30.8000+130.1762/+30.8008+130.1600/+30.8025+130.1400/+30.8083+130.1200/+30.8200+130.1025/+30.8203+130.1000/+30.8224+130.0800/+30.8257+130.0600/+30.8334+130.0400/+30.8400+130.0269/+30.8414+130.0200/+30.8444+130.0000/+30.8491+129.9800/+30.8545+129.9600/+30.8600+129.9470/+30.8633+129.9400/+30.8758+129.9200/+30.8800+129.9117/+30.8860+129.9000/+30.8949+129.8800/+30.9000+129.8671/+30.9035+129.8600/+30.9176+129.8400/+30.9200+129.8363/+30.9400+129.8267/+30.9506+129.8200/+30.9600+129.8156/+30.9638+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8067+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7933+130.2800/+30.8000+130.2720/+30.8067+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、１２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。 　１２日６時から１２日２４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　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　１２日１８時から２１時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１２日２１時から２４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。