2026-08-22T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-23T05:00:00+09:00 2026-08-23T06:00:00+09:00 2026-08-24T00:00:00+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、２３日０９時から１２時までは火口から北西方向、２３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 2026-08-23T06:00:00+09:00 2026-08-23T09:00:00+09:00 降灰 70 +31.0060+129.9200/+31.0055+129.9400/+31.0052+129.9600/+31.0000+129.9735/+30.9984+129.9800/+30.9891+130.0000/+30.9800+130.0157/+30.9780+130.0200/+30.9641+130.0400/+30.9600+130.0435/+30.9520+130.0600/+30.9400+130.0794/+30.9398+130.0800/+30.9320+130.1000/+30.9200+130.1141/+30.9179+130.1200/+30.9085+130.1400/+30.9000+130.1500/+30.8980+130.1600/+30.8892+130.1800/+30.8800+130.1898/+30.8783+130.2000/+30.8686+130.2200/+30.8600+130.2287/+30.8593+130.2400/+30.8522+130.2600/+30.8400+130.2722/+30.8399+130.2800/+30.8383+130.3000/+30.8200+130.3183/+30.8185+130.3200/+30.8000+130.3385/+30.7800+130.3357/+30.7643+130.3200/+30.7602+130.3000/+30.7612+130.2800/+30.7800+130.2612/+30.7801+130.2600/+30.7808+130.2400/+30.7963+130.2200/+30.8000+130.2162/+30.8009+130.2000/+30.8046+130.1800/+30.8200+130.1622/+30.8205+130.1600/+30.8238+130.1400/+30.8356+130.1200/+30.8400+130.1147/+30.8436+130.1000/+30.8517+130.0800/+30.8600+130.0690/+30.8640+130.0600/+30.8734+130.0400/+30.8800+130.0298/+30.8842+130.0200/+30.8912+130.0000/+30.9000+129.9920/+30.9106+129.9800/+30.9200+129.9633/+30.9234+129.9600/+30.9400+129.9412/+30.9412+129.9400/+30.9553+129.9200/+30.9600+129.9145/+30.9800+129.9135/+31.0000+129.9122/+31.0060+129.9200/ 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+130.2803/+30.8188+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-23T09:00:00+09:00 2026-08-23T12:00:00+09:00 降灰 70 +31.0528+129.8800/+31.0552+129.9000/+31.0556+129.9200/+31.0487+129.9400/+31.0417+129.9600/+31.0400+129.9623/+31.0324+129.9800/+31.0204+130.0000/+31.0200+130.0006/+31.0134+130.0200/+31.0040+130.0400/+31.0000+130.0472/+30.9945+130.0600/+30.9800+130.0735/+30.9765+130.0800/+30.9600+130.0999/+30.9599+130.1000/+30.9500+130.1200/+30.9400+130.1311/+30.9370+130.1400/+30.9200+130.1595/+30.9198+130.1600/+30.9121+130.1800/+30.9000+130.1928/+30.8978+130.2000/+30.8800+130.2187/+30.8796+130.2200/+30.8739+130.2400/+30.8600+130.2539/+30.8594+130.2600/+30.8400+130.2796/+30.8400+130.2800/+30.8396+130.3000/+30.8200+130.3196/+30.8185+130.3200/+30.8000+130.3385/+30.7800+130.3346/+30.7654+130.3200/+30.7603+130.3000/+30.7650+130.2800/+30.7800+130.2650/+30.7802+130.2600/+30.7886+130.2400/+30.8000+130.2285/+30.8010+130.2200/+30.8116+130.2000/+30.8200+130.1912/+30.8219+130.1800/+30.8336+130.1600/+30.8400+130.1523/+30.8433+130.1400/+30.8544+130.1200/+30.8600+130.1129/+30.8647+130.1000/+30.8762+130.0800/+30.8800+130.0745/+30.8873+130.0600/+30.9000+130.0405/+30.9002+130.0400/+30.9094+130.0200/+30.9200+130.0016/+30.9215+130.0000/+30.9351+129.9800/+30.9400+129.9729/+30.9493+129.9600/+30.9600+129.9478/+30.9679+129.9400/+30.9800+129.9215/+30.9812+129.9200/+30.9931+129.9000/+31.0000+129.8914/+31.0194+129.8800/+31.0200+129.8794/+31.0400+129.8689/+31.0528+129.8800/ 北西 50 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+130.2802/+30.8188+130.3000/ 北西 1 鹿児島県三島村 4630300 2026-08-23T12:00:00+09:00 2026-08-23T15:00:00+09:00 降灰 70 +31.0401+129.9000/+31.0436+129.9200/+31.0400+129.9237/+31.0294+129.9400/+31.0243+129.9600/+31.0200+129.9655/+31.0119+129.9800/+31.0026+130.0000/+31.0000+130.0043/+30.9912+130.0200/+30.9800+130.0365/+30.9782+130.0400/+30.9636+130.0600/+30.9600+130.0626/+30.9471+130.0800/+30.9400+130.0902/+30.9358+130.1000/+30.9200+130.1183/+30.9193+130.1200/+30.9093+130.1400/+30.9000+130.1510/+30.8975+130.1600/+30.8883+130.1800/+30.8800+130.1893/+30.8777+130.2000/+30.8664+130.2200/+30.8600+130.2264/+30.8586+130.2400/+30.8471+130.2600/+30.8400+130.2671/+30.8398+130.2800/+30.8354+130.3000/+30.8200+130.3154/+30.8166+130.3200/+30.8000+130.3366/+30.7800+130.3307/+30.7693+130.3200/+30.7602+130.3000/+30.7606+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7803+130.2400/+30.7823+130.2200/+30.8000+130.2014/+30.8002+130.2000/+30.8012+130.1800/+30.8050+130.1600/+30.8200+130.1407/+30.8201+130.1400/+30.8228+130.1200/+30.8314+130.1000/+30.8400+130.0877/+30.8421+130.0800/+30.8502+130.0600/+30.8600+130.0432/+30.8612+130.0400/+30.8714+130.0200/+30.8800+130.0005/+30.8802+130.0000/+30.9000+129.9811/+30.9010+129.9800/+30.9130+129.9600/+30.9200+129.9516/+30.9392+129.9400/+30.9400+129.9394/+30.9600+129.9261/+30.9710+129.9200/+30.9800+129.9116/+30.9950+129.9000/+31.0000+129.8966/+31.0200+129.8969/+31.0400+129.8997/+31.0401+129.9000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8093+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7923+130.2800/+30.8000+130.2707/+30.8093+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-23T15:00:00+09:00 2026-08-23T18:00:00+09:00 降灰 70 +31.0011+129.8200/+31.0088+129.8400/+31.0025+129.8600/+31.0000+129.8676/+30.9973+129.8800/+30.9900+129.9000/+30.9847+129.9200/+30.9800+129.9340/+30.9772+129.9400/+30.9602+129.9600/+30.9600+129.9602/+30.9545+129.9800/+30.9484+130.0000/+30.9400+130.0151/+30.9383+130.0200/+30.9200+130.0366/+30.9184+130.0400/+30.9144+130.0600/+30.9006+130.0800/+30.9000+130.0807/+30.8966+130.1000/+30.8865+130.1200/+30.8800+130.1274/+30.8787+130.1400/+30.8755+130.1600/+30.8600+130.1784/+30.8599+130.1800/+30.8594+130.2000/+30.8576+130.2200/+30.8400+130.2384/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8131+130.3200/+30.8000+130.3331/+30.7800+130.3233/+30.7767+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7802+130.2400/+30.7808+130.2200/+30.7883+130.2000/+30.8000+130.1878/+30.8004+130.1800/+30.8013+130.1600/+30.8052+130.1400/+30.8200+130.1211/+30.8202+130.1200/+30.8218+130.1000/+30.8255+130.0800/+30.8393+130.0600/+30.8400+130.0591/+30.8428+130.0400/+30.8503+130.0200/+30.8494+130.0000/+30.8600+129.9813/+30.8609+129.9800/+30.8690+129.9600/+30.8800+129.9429/+30.8818+129.9400/+30.9000+129.9206/+30.9005+129.9200/+30.9000+129.9061/+30.8996+129.9000/+30.9000+129.8992/+30.9147+129.8800/+30.9200+129.8722/+30.9287+129.8600/+30.9400+129.8447/+30.9436+129.8400/+30.9596+129.8200/+30.9600+129.8197/+30.9624+129.8200/+30.9800+129.8230/+30.9956+129.8200/+31.0000+129.8161/+31.0011+129.8200/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8102+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7898+130.2800/+30.8000+130.2677/+30.8102+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-23T18:00:00+09:00 2026-08-23T21:00:00+09:00 降灰 70 +31.0005+129.7400/+31.0093+129.7600/+31.0120+129.7800/+31.0138+129.8000/+31.0066+129.8200/+31.0000+129.8353/+30.9988+129.8400/+30.9919+129.8600/+30.9877+129.8800/+30.9830+129.9000/+30.9800+129.9097/+30.9763+129.9200/+30.9600+129.9347/+30.9581+129.9400/+30.9541+129.9600/+30.9488+129.9800/+30.9400+129.9983/+30.9395+130.0000/+30.9351+130.0200/+30.9200+130.0344/+30.9173+130.0400/+30.9098+130.0600/+30.9000+130.0720/+30.8987+130.0800/+30.8960+130.1000/+30.8834+130.1200/+30.8800+130.1238/+30.8790+130.1400/+30.8769+130.1600/+30.8600+130.1791/+30.8599+130.1800/+30.8595+130.2000/+30.8584+130.2200/+30.8400+130.2391/+30.8399+130.2400/+30.8399+130.2600/+30.8397+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8106+130.3200/+30.8000+130.3306/+30.7820+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7606+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7802+130.2400/+30.7811+130.2200/+30.8000+130.2002/+30.8000+130.2000/+30.8005+130.1800/+30.8019+130.1600/+30.8107+130.1400/+30.8200+130.1291/+30.8207+130.1200/+30.8225+130.1000/+30.8292+130.0800/+30.8400+130.0657/+30.8409+130.0600/+30.8433+130.0400/+30.8497+130.0200/+30.8475+130.0000/+30.8566+129.9800/+30.8600+129.9731/+30.8643+129.9600/+30.8722+129.9400/+30.8800+129.9257/+30.8829+129.9200/+30.8880+129.9000/+30.8961+129.8800/+30.9000+129.8690/+30.9046+129.8600/+30.9200+129.8438/+30.9235+129.8400/+30.9311+129.8200/+30.9371+129.8000/+30.9400+129.7947/+30.9568+129.7800/+30.9600+129.7773/+30.9800+129.7650/+30.9848+129.7600/+30.9995+129.7400/+31.0000+129.7394/+31.0005+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8109+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7891+130.2800/+30.8000+130.2665/+30.8109+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-23T21:00:00+09:00 2026-08-24T00:00:00+09:00 降灰 70 +30.9843+129.8000/+30.9842+129.8200/+30.9878+129.8400/+30.9847+129.8600/+30.9825+129.8800/+30.9800+129.8932/+30.9785+129.9000/+30.9733+129.9200/+30.9600+129.9376/+30.9593+129.9400/+30.9556+129.9600/+30.9512+129.9800/+30.9452+130.0000/+30.9400+130.0109/+30.9378+130.0200/+30.9200+130.0375/+30.9190+130.0400/+30.9148+130.0600/+30.9046+130.0800/+30.9000+130.0868/+30.8985+130.1000/+30.8945+130.1200/+30.8800+130.1378/+30.8797+130.1400/+30.8783+130.1600/+30.8738+130.1800/+30.8600+130.1952/+30.8597+130.2000/+30.8590+130.2200/+30.8507+130.2400/+30.8400+130.2508/+30.8399+130.2600/+30.8397+130.2800/+30.8255+130.3000/+30.8200+130.3055/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3246/+30.7754+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7802+130.2400/+30.7813+130.2200/+30.7916+130.2000/+30.8000+130.1908/+30.8006+130.1800/+30.8021+130.1600/+30.8078+130.1400/+30.8200+130.1251/+30.8208+130.1200/+30.8234+130.1000/+30.8304+130.0800/+30.8400+130.0656/+30.8410+130.0600/+30.8443+130.0400/+30.8529+130.0200/+30.8500+130.0000/+30.8600+129.9825/+30.8615+129.9800/+30.8678+129.9600/+30.8758+129.9400/+30.8800+129.9296/+30.8832+129.9200/+30.8892+129.9000/+30.8967+129.8800/+30.9000+129.8686/+30.9032+129.8600/+30.9155+129.8400/+30.9200+129.8311/+30.9268+129.8200/+30.9364+129.8000/+30.9400+129.7937/+30.9600+129.7824/+30.9800+129.7943/+30.9843+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7905+130.2800/+30.8000+130.2682/+30.8095+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、２３日０９時から１２時までは火口から北西方向、２３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。 　２３日６時から２３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 　２３日０６時から０９時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　２３日０９時から１２時まで　北西　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　２３日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２３日１５時から１８時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２３日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２３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。