2026-08-19T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-19T17:00:00+09:00 2026-08-19T18:00:00+09:00 2026-08-20T12:00:00+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、１９日２１時から２４時までは火口から北西方向、２０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 2026-08-19T18:00:00+09:00 2026-08-19T21:00:00+09:00 降灰 70 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西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7884+130.2800/+30.8000+130.2653/+30.8116+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T21:00:00+09:00 2026-08-20T00:00:00+09:00 降灰 70 +31.0441+129.7400/+31.0426+129.7600/+31.0400+129.7675/+31.0366+129.7800/+31.0346+129.8000/+31.0306+129.8200/+31.0278+129.8400/+31.0205+129.8600/+31.0200+129.8608/+31.0117+129.8800/+31.0000+129.8983/+30.9993+129.9000/+30.9933+129.9200/+30.9893+129.9400/+30.9800+129.9569/+30.9784+129.9600/+30.9652+129.9800/+30.9600+129.9869/+30.9573+130.0000/+30.9530+130.0200/+30.9430+130.0400/+30.9400+130.0430/+30.9227+130.0600/+30.9200+130.0634/+30.9174+130.0800/+30.9108+130.1000/+30.9000+130.1127/+30.8989+130.1200/+30.8958+130.1400/+30.8800+130.1582/+30.8797+130.1600/+30.8782+130.1800/+30.8675+130.2000/+30.8600+130.2076/+30.8596+130.2200/+30.8579+130.2400/+30.8400+130.2582/+30.8399+130.2600/+30.8398+130.2800/+30.8371+130.3000/+30.8200+130.3171/+30.8083+130.3200/+30.8000+130.3283/+30.7874+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7616+130.2800/+30.7800+130.2616/+30.7801+130.2600/+30.7803+130.2400/+30.7830+130.2200/+30.8000+130.2024/+30.8002+130.2000/+30.8011+130.1800/+30.8051+130.1600/+30.8200+130.1423/+30.8204+130.1400/+30.8222+130.1200/+30.8273+130.1000/+30.8400+130.0836/+30.8408+130.0800/+30.8440+130.0600/+30.8510+130.0400/+30.8600+130.0260/+30.8614+130.0200/+30.8600+130.0049/+30.8581+130.0000/+30.8600+129.9969/+30.8674+129.9800/+30.8759+129.9600/+30.8800+129.9526/+30.8865+129.9400/+30.9000+129.9244/+30.9025+129.9200/+30.9014+129.9000/+30.9190+129.8800/+30.9200+129.8786/+30.9275+129.8600/+30.9383+129.8400/+30.9400+129.8353/+30.9472+129.8200/+30.9600+129.8044/+30.9647+129.8000/+30.9752+129.7800/+30.9800+129.7719/+30.9879+129.7600/+31.0000+129.7427/+31.0200+129.7405/+31.0218+129.7400/+31.0400+129.7321/+31.0441+129.7400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8165+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2648/+30.8165+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-20T00:00:00+09:00 2026-08-20T03:00:00+09:00 降灰 70 +31.0265+129.7600/+31.0297+129.7800/+31.0309+129.8000/+31.0281+129.8200/+31.0259+129.8400/+31.0200+129.8550/+31.0183+129.8600/+31.0106+129.8800/+31.0000+129.8960/+30.9986+129.9000/+30.9931+129.9200/+30.9887+129.9400/+30.9800+129.9538/+30.9760+129.9600/+30.9627+129.9800/+30.9600+129.9832/+30.9565+130.0000/+30.9523+130.0200/+30.9431+130.0400/+30.9400+130.0431/+30.9234+130.0600/+30.9200+130.0642/+30.9179+130.0800/+30.9118+130.1000/+30.9000+130.1136/+30.8990+130.1200/+30.8961+130.1400/+30.8800+130.1596/+30.8799+130.1600/+30.8787+130.1800/+30.8718+130.2000/+30.8600+130.2121/+30.8597+130.2200/+30.8585+130.2400/+30.8400+130.2588/+30.8399+130.2600/+30.8399+130.2800/+30.8376+130.3000/+30.8200+130.3176/+30.8098+130.3200/+30.8000+130.3297/+30.7853+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7619+130.2800/+30.7800+130.2619/+30.7801+130.2600/+30.7804+130.2400/+30.7858+130.2200/+30.8000+130.2055/+30.8004+130.2000/+30.8016+130.1800/+30.8107+130.1600/+30.8200+130.1492/+30.8209+130.1400/+30.8234+130.1200/+30.8328+130.1000/+30.8400+130.0899/+30.8414+130.0800/+30.8456+130.0600/+30.8568+130.0400/+30.8600+130.0354/+30.8632+130.0200/+30.8622+130.0000/+30.8701+129.9800/+30.8785+129.9600/+30.8800+129.9572/+30.8885+129.9400/+30.9000+129.9265/+30.9029+129.9200/+30.9014+129.9000/+30.9199+129.8800/+30.9200+129.8799/+30.9270+129.8600/+30.9352+129.8400/+30.9400+129.8272/+30.9436+129.8200/+30.9600+129.8019/+30.9630+129.8000/+30.9742+129.7800/+30.9800+129.7704/+30.9867+129.7600/+31.0000+129.7414/+31.0200+129.7507/+31.0265+129.7600/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8135+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7899+130.2800/+30.8000+130.2672/+30.8135+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-20T03:00:00+09:00 2026-08-20T06:00:00+09:00 降灰 70 +31.0607+129.7800/+31.0687+129.8000/+31.0635+129.8200/+31.0600+129.8350/+31.0583+129.8400/+31.0501+129.8600/+31.0443+129.8800/+31.0400+129.8862/+31.0342+129.9000/+31.0284+129.9200/+31.0206+129.9400/+31.0200+129.9412/+31.0085+129.9600/+31.0000+129.9701/+30.9962+129.9800/+30.9888+130.0000/+30.9800+130.0182/+30.9793+130.0200/+30.9658+130.0400/+30.9600+130.0443/+30.9507+130.0600/+30.9400+130.0727/+30.9379+130.0800/+30.9301+130.1000/+30.9200+130.1120/+30.9180+130.1200/+30.9101+130.1400/+30.9000+130.1513/+30.8985+130.1600/+30.8912+130.1800/+30.8800+130.1916/+30.8791+130.2000/+30.8719+130.2200/+30.8600+130.2320/+30.8596+130.2400/+30.8553+130.2600/+30.8400+130.2753/+30.8399+130.2800/+30.8389+130.3000/+30.8200+130.3189/+30.8134+130.3200/+30.8000+130.3334/+30.7804+130.3200/+30.7800+130.3200/+30.7605+130.3000/+30.7634+130.2800/+30.7800+130.2634/+30.7801+130.2600/+30.7811+130.2400/+30.8000+130.2208/+30.8002+130.2200/+30.8012+130.2000/+30.8113+130.1800/+30.8200+130.1705/+30.8210+130.1600/+30.8250+130.1400/+30.8400+130.1218/+30.8405+130.1200/+30.8437+130.1000/+30.8534+130.0800/+30.8600+130.0707/+30.8624+130.0600/+30.8702+130.0400/+30.8800+130.0252/+30.8819+130.0200/+30.8818+130.0000/+30.9000+129.9812/+30.9008+129.9800/+30.9071+129.9600/+30.9165+129.9400/+30.9200+129.9334/+30.9273+129.9200/+30.9363+129.9000/+30.9400+129.8943/+30.9538+129.8800/+30.9600+129.8723/+30.9685+129.8600/+30.9800+129.8424/+30.9815+129.8400/+30.9958+129.8200/+31.0000+129.8161/+31.0200+129.8060/+31.0248+129.8000/+31.0396+129.7800/+31.0400+129.7795/+31.0600+129.7787/+31.0607+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8146+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2689/+30.8146+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-20T06:00:00+09:00 2026-08-20T09:00:00+09:00 降灰 70 +31.0670+129.8200/+31.0790+129.8400/+31.0776+129.8600/+31.0733+129.8800/+31.0682+129.9000/+31.0600+129.9186/+31.0596+129.9200/+31.0455+129.9400/+31.0400+129.9449/+31.0324+129.9600/+31.0200+129.9770/+31.0186+129.9800/+31.0110+130.0000/+31.0003+130.0200/+31.0000+130.0204/+30.9920+130.0400/+30.9821+130.0600/+30.9800+130.0618/+30.9600+130.0751/+30.9572+130.0800/+30.9441+130.1000/+30.9400+130.1044/+30.9351+130.1200/+30.9200+130.1376/+30.9193+130.1400/+30.9137+130.1600/+30.9000+130.1744/+30.8985+130.1800/+30.8872+130.2000/+30.8800+130.2072/+30.8784+130.2200/+30.8600+130.2390/+30.8599+130.2400/+30.8585+130.2600/+30.8400+130.2786/+30.8399+130.2800/+30.8394+130.3000/+30.8200+130.3194/+30.8160+130.3200/+30.8000+130.3360/+30.7800+130.3256/+30.7744+130.3200/+30.7605+130.3000/+30.7646+130.2800/+30.7800+130.2646/+30.7801+130.2600/+30.7816+130.2400/+30.8000+130.2212/+30.8002+130.2200/+30.8020+130.2000/+30.8178+130.1800/+30.8200+130.1776/+30.8221+130.1600/+30.8302+130.1400/+30.8400+130.1280/+30.8420+130.1200/+30.8489+130.1000/+30.8600+130.0859/+30.8629+130.0800/+30.8742+130.0600/+30.8800+130.0508/+30.8841+130.0400/+30.8913+130.0200/+30.9000+130.0037/+30.9016+130.0000/+30.9150+129.9800/+30.9200+129.9715/+30.9271+129.9600/+30.9400+129.9431/+30.9423+129.9400/+30.9571+129.9200/+30.9600+129.9163/+30.9698+129.9000/+30.9800+129.8881/+30.9895+129.8800/+31.0000+129.8680/+31.0084+129.8600/+31.0200+129.8475/+31.0286+129.8400/+31.0400+129.8253/+31.0532+129.8200/+31.0600+129.8165/+31.0670+129.8200/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8158+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7915+130.2800/+30.8000+130.2701/+30.8158+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-20T09:00:00+09:00 2026-08-20T12:00:00+09:00 降灰 70 +31.0657+129.8000/+31.0632+129.8200/+31.0614+129.8400/+31.0600+129.8445/+31.0542+129.8600/+31.0478+129.8800/+31.0400+129.8906/+31.0344+129.9000/+31.0247+129.9200/+31.0200+129.9312/+31.0155+129.9400/+31.0013+129.9600/+31.0000+129.9617/+30.9939+129.9800/+30.9844+130.0000/+30.9800+130.0076/+30.9741+130.0200/+30.9600+130.0351/+30.9583+130.0400/+30.9446+130.0600/+30.9400+130.0662/+30.9348+130.0800/+30.9200+130.0980/+30.9194+130.1000/+30.9149+130.1200/+30.9000+130.1390/+30.8998+130.1400/+30.8962+130.1600/+30.8800+130.1794/+30.8799+130.1800/+30.8775+130.2000/+30.8600+130.2198/+30.8600+130.2200/+30.8591+130.2400/+30.8455+130.2600/+30.8400+130.2655/+30.8399+130.2800/+30.8381+130.3000/+30.8200+130.3181/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3200/+30.7604+130.3000/+30.7616+130.2800/+30.7800+130.2616/+30.7801+130.2600/+30.7803+130.2400/+30.7830+130.2200/+30.8000+130.2019/+30.8002+130.2000/+30.8012+130.1800/+30.8057+130.1600/+30.8200+130.1416/+30.8203+130.1400/+30.8223+130.1200/+30.8281+130.1000/+30.8400+130.0824/+30.8407+130.0800/+30.8465+130.0600/+30.8568+130.0400/+30.8600+130.0343/+30.8644+130.0200/+30.8664+130.0000/+30.8797+129.9800/+30.8800+129.9794/+30.8900+129.9600/+30.9000+129.9486/+30.9057+129.9400/+30.9200+129.9205/+30.9205+129.9200/+30.9292+129.9000/+30.9400+129.8805/+30.9403+129.8800/+30.9529+129.8600/+30.9600+129.8531/+30.9742+129.8400/+30.9800+129.8307/+30.9892+129.8200/+31.0000+129.8102/+31.0200+129.8026/+31.0238+129.8000/+31.0400+129.7856/+31.0600+129.7862/+31.0657+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7905+130.2800/+30.8000+130.2682/+30.8133+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、１９日２１時から２４時までは火口から北西方向、２０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。 　１９日１８時から２０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 　１９日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日２１時から２４時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２０日００時から０３時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２０日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２０日０６時から０９時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２０日０９時から１２時まで　北西　　　　　　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。