2026-11-03T14:00:00Z 通常 気象庁本庁 気象庁 2026-11-03T23:00:00+09:00 2026-11-04T00:00:00+09:00 2026-11-04T18:00:00+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、４日０９時から１２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 2026-11-04T00:00:00+09:00 2026-11-04T03:00:00+09:00 降灰 70 +30.8210+129.8800/+30.8262+129.9000/+30.8285+129.9200/+30.8305+129.9400/+30.8317+129.9600/+30.8323+129.9800/+30.8264+130.0000/+30.8286+130.0200/+30.8259+130.0400/+30.8232+130.0600/+30.8235+130.0800/+30.8248+130.1000/+30.8227+130.1200/+30.8200+130.1301/+30.8198+130.1400/+30.8196+130.1600/+30.8196+130.1800/+30.8198+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8161+130.3200/+30.8000+130.3361/+30.7800+130.3329/+30.7671+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2639/+30.7561+130.2600/+30.7442+130.2400/+30.7423+130.2200/+30.7419+130.2000/+30.7420+130.1800/+30.7416+130.1600/+30.7417+130.1400/+30.7420+130.1200/+30.7414+130.1000/+30.7403+130.0800/+30.7400+130.0643/+30.7396+130.0600/+30.7374+130.0400/+30.7400+130.0345/+30.7423+130.0200/+30.7411+130.0000/+30.7400+129.9920/+30.7365+129.9800/+30.7388+129.9600/+30.7400+129.9507/+30.7415+129.9400/+30.7455+129.9200/+30.7475+129.9000/+30.7521+129.8800/+30.7600+129.8632/+30.7649+129.8600/+30.7800+129.8505/+30.7979+129.8400/+30.8000+129.8383/+30.8010+129.8400/+30.8136+129.8600/+30.8200+129.8767/+30.8210+129.8800/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8065+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3113/+30.7687+130.3000/+30.7800+130.2805/+30.7812+130.2800/+30.8000+130.2721/+30.8065+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T03:00:00+09:00 2026-11-04T06:00:00+09:00 降灰 70 +30.8180+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8130+130.3200/+30.8000+130.3330/+30.7800+130.3292/+30.7708+130.3200/+30.7601+130.3000/+30.7600+130.2991/+30.7409+130.2800/+30.7401+130.2600/+30.7400+130.2545/+30.7256+130.2400/+30.7208+130.2200/+30.7200+130.2000/+30.7200+130.1996/+30.7030+130.1800/+30.7010+130.1600/+30.7000+130.1511/+30.6906+130.1400/+30.6840+130.1200/+30.6816+130.1000/+30.6800+130.0903/+30.6725+130.0800/+30.6659+130.0600/+30.6635+130.0400/+30.6600+130.0237/+30.6564+130.0200/+30.6500+130.0000/+30.6458+129.9800/+30.6438+129.9600/+30.6430+129.9400/+30.6439+129.9200/+30.6414+129.9000/+30.6400+129.8903/+30.6369+129.8800/+30.6388+129.8600/+30.6400+129.8484/+30.6407+129.8400/+30.6443+129.8200/+30.6478+129.8000/+30.6543+129.7800/+30.6600+129.7663/+30.6660+129.7600/+30.6800+129.7502/+30.6993+129.7400/+30.7000+129.7397/+30.7002+129.7400/+30.7112+129.7600/+30.7190+129.7800/+30.7200+129.7830/+30.7254+129.8000/+30.7279+129.8200/+30.7300+129.8400/+30.7325+129.8600/+30.7346+129.8800/+30.7345+129.9000/+30.7362+129.9200/+30.7400+129.9307/+30.7439+129.9400/+30.7490+129.9600/+30.7515+129.9800/+30.7509+130.0000/+30.7553+130.0200/+30.7580+130.0400/+30.7591+130.0600/+30.7600+130.0649/+30.7670+130.0800/+30.7711+130.1000/+30.7742+130.1200/+30.7774+130.1400/+30.7796+130.1600/+30.7800+130.1629/+30.7914+130.1800/+30.7973+130.2000/+30.7993+130.2200/+30.7999+130.2400/+30.8000+130.2412/+30.8180+130.2600/ 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/+30.7800+130.3179/+30.7621+130.3000/+30.7707+130.2800/+30.7800+130.2684/+30.8000+130.2741/+30.8059+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T06:00:00+09:00 2026-11-04T09:00:00+09:00 降灰 70 +30.8000+130.2000/+30.8105+130.2200/+30.8170+130.2400/+30.8196+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8083+130.3200/+30.8000+130.3283/+30.7800+130.3214/+30.7786+130.3200/+30.7601+130.3000/+30.7600+130.2949/+30.7451+130.2800/+30.7404+130.2600/+30.7402+130.2400/+30.7400+130.2348/+30.7259+130.2200/+30.7216+130.2000/+30.7205+130.1800/+30.7200+130.1745/+30.7076+130.1600/+30.7031+130.1400/+30.7009+130.1200/+30.7000+130.1124/+30.6919+130.1000/+30.6853+130.0800/+30.6824+130.0600/+30.6800+130.0468/+30.6753+130.0400/+30.6645+130.0200/+30.6619+130.0000/+30.6600+129.9887/+30.6548+129.9800/+30.6453+129.9600/+30.6407+129.9400/+30.6400+129.9349/+30.6353+129.9200/+30.6271+129.9000/+30.6212+129.8800/+30.6204+129.8600/+30.6200+129.8515/+30.6194+129.8400/+30.6180+129.8200/+30.6162+129.8000/+30.6185+129.7800/+30.6200+129.7720/+30.6234+129.7600/+30.6358+129.7400/+30.6400+129.7366/+30.6435+129.7400/+30.6600+129.7510/+30.6644+129.7600/+30.6744+129.7800/+30.6800+129.7885/+30.6859+129.8000/+30.6971+129.8200/+30.7000+129.8272/+30.7043+129.8400/+30.7121+129.8600/+30.7188+129.8800/+30.7200+129.8826/+30.7297+129.9000/+30.7366+129.9200/+30.7400+129.9289/+30.7452+129.9400/+30.7520+129.9600/+30.7563+129.9800/+30.7567+130.0000/+30.7595+130.0200/+30.7600+130.0242/+30.7646+130.0400/+30.7730+130.0600/+30.7788+130.0800/+30.7800+130.0853/+30.7850+130.1000/+30.7919+130.1200/+30.7942+130.1400/+30.7973+130.1600/+30.7992+130.1800/+30.8000+130.2000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3181/+30.7619+130.3000/+30.7696+130.2800/+30.7800+130.2661/+30.8000+130.2648/+30.8131+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T09:00:00+09:00 2026-11-04T12:00:00+09:00 降灰 70 +30.8639+129.7400/+30.8668+129.7600/+30.8671+129.7800/+30.8634+129.8000/+30.8638+129.8200/+30.8640+129.8400/+30.8641+129.8600/+30.8641+129.8800/+30.8600+129.8985/+30.8598+129.9000/+30.8595+129.9200/+30.8584+129.9400/+30.8566+129.9600/+30.8536+129.9800/+30.8426+130.0000/+30.8400+130.0026/+30.8383+130.0200/+30.8370+130.0400/+30.8363+130.0600/+30.8353+130.0800/+30.8343+130.1000/+30.8328+130.1200/+30.8310+130.1400/+30.8284+130.1600/+30.8233+130.1800/+30.8200+130.1875/+30.8199+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8032+130.3200/+30.8000+130.3232/+30.7933+130.3200/+30.7800+130.3199/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2701/+30.7505+130.2600/+30.7439+130.2400/+30.7429+130.2200/+30.7423+130.2000/+30.7414+130.1800/+30.7409+130.1600/+30.7409+130.1400/+30.7406+130.1200/+30.7414+130.1000/+30.7423+130.0800/+30.7433+130.0600/+30.7456+130.0400/+30.7477+130.0200/+30.7490+130.0000/+30.7475+129.9800/+30.7504+129.9600/+30.7561+129.9400/+30.7600+129.9316/+30.7646+129.9200/+30.7693+129.9000/+30.7737+129.8800/+30.7772+129.8600/+30.7800+129.8460/+30.7813+129.8400/+30.7860+129.8200/+30.7931+129.8000/+30.7992+129.7800/+30.8000+129.7782/+30.8130+129.7600/+30.8200+129.7478/+30.8242+129.7400/+30.8392+129.7200/+30.8400+129.7190/+30.8423+129.7200/+30.8600+129.7287/+30.8639+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3055/+30.7745+130.3000/+30.7800+130.2843/+30.7810+130.2800/+30.8000+130.2631/+30.8136+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T12:00:00+09:00 2026-11-04T15:00:00+09:00 降灰 70 +30.8603+130.0000/+30.8600+130.0003/+30.8506+130.0200/+30.8482+130.0400/+30.8418+130.0600/+30.8400+130.0634/+30.8392+130.0800/+30.8389+130.1000/+30.8388+130.1200/+30.8387+130.1400/+30.8387+130.1600/+30.8386+130.1800/+30.8384+130.2000/+30.8376+130.2200/+30.8332+130.2400/+30.8200+130.2542/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7607+130.2000/+30.7609+130.1800/+30.7610+130.1600/+30.7610+130.1400/+30.7612+130.1200/+30.7607+130.1000/+30.7600+130.0848/+30.7578+130.0800/+30.7557+130.0600/+30.7532+130.0400/+30.7528+130.0200/+30.7533+130.0000/+30.7468+129.9800/+30.7488+129.9600/+30.7521+129.9400/+30.7577+129.9200/+30.7600+129.9039/+30.7603+129.9000/+30.7639+129.8800/+30.7649+129.8600/+30.7660+129.8400/+30.7670+129.8200/+30.7680+129.8000/+30.7683+129.7800/+30.7723+129.7600/+30.7767+129.7400/+30.7800+129.7245/+30.7811+129.7200/+30.7869+129.7000/+30.7928+129.6800/+30.8000+129.6615/+30.8091+129.6800/+30.8167+129.7000/+30.8200+129.7075/+30.8249+129.7200/+30.8314+129.7400/+30.8372+129.7600/+30.8400+129.7720/+30.8420+129.7800/+30.8478+129.8000/+30.8504+129.8200/+30.8527+129.8400/+30.8562+129.8600/+30.8589+129.8800/+30.8558+129.9000/+30.8573+129.9200/+30.8585+129.9400/+30.8593+129.9600/+30.8598+129.9800/+30.8600+129.9915/+30.8603+130.0000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8143+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7846+130.2800/+30.8000+130.2620/+30.8143+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T15:00:00+09:00 2026-11-04T18:00:00+09:00 降灰 70 +30.8420+129.7000/+30.8494+129.7200/+30.8538+129.7400/+30.8557+129.7600/+30.8563+129.7800/+30.8570+129.8000/+30.8575+129.8200/+30.8579+129.8400/+30.8572+129.8600/+30.8565+129.8800/+30.8488+129.9000/+30.8483+129.9200/+30.8469+129.9400/+30.8435+129.9600/+30.8400+129.9705/+30.8395+129.9800/+30.8368+130.0000/+30.8367+130.0200/+30.8363+130.0400/+30.8359+130.0600/+30.8349+130.0800/+30.8347+130.1000/+30.8340+130.1200/+30.8329+130.1400/+30.8307+130.1600/+30.8269+130.1800/+30.8200+130.1952/+30.8200+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8072+130.3200/+30.8000+130.3272/+30.7850+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7606+130.2000/+30.7608+130.1800/+30.7611+130.1600/+30.7616+130.1400/+30.7620+130.1200/+30.7626+130.1000/+30.7633+130.0800/+30.7640+130.0600/+30.7647+130.0400/+30.7655+130.0200/+30.7665+130.0000/+30.7600+129.9839/+30.7562+129.9800/+30.7593+129.9600/+30.7600+129.9553/+30.7615+129.9400/+30.7635+129.9200/+30.7656+129.9000/+30.7682+129.8800/+30.7695+129.8600/+30.7712+129.8400/+30.7732+129.8200/+30.7757+129.8000/+30.7766+129.7800/+30.7800+129.7647/+30.7812+129.7600/+30.7874+129.7400/+30.7961+129.7200/+30.8000+129.7129/+30.8200+129.7086/+30.8363+129.7000/+30.8400+129.6972/+30.8420+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8134+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7866+130.2800/+30.8000+130.2636/+30.8134+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、４日０９時から１２時までは火口から西方向に降灰が予想されます。 　４日０時から４日１８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 　０４日００時から０３時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０４日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　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。