2026-10-16T11:00:00Z 通常 気象庁本庁 気象庁 2026-10-16T20:00:00+09:00 2026-10-16T21:00:00+09:00 2026-10-17T15:00:00+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、１６日２１時から２４時までは火口から西方向、１７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 2026-10-16T21:00:00+09:00 2026-10-17T00:00:00+09:00 降灰 70 +30.8614+129.7600/+30.8668+129.7800/+30.8696+129.8000/+30.8694+129.8200/+30.8692+129.8400/+30.8695+129.8600/+30.8696+129.8800/+30.8695+129.9000/+30.8703+129.9200/+30.8697+129.9400/+30.8695+129.9600/+30.8695+129.9800/+30.8683+130.0000/+30.8600+130.0083/+30.8548+130.0200/+30.8541+130.0400/+30.8513+130.0600/+30.8471+130.0800/+30.8400+130.0992/+30.8400+130.1000/+30.8394+130.1200/+30.8390+130.1400/+30.8389+130.1600/+30.8387+130.1800/+30.8384+130.2000/+30.8378+130.2200/+30.8348+130.2400/+30.8200+130.2575/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3273/+30.7727+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7605+130.2400/+30.7612+130.2200/+30.7625+130.2000/+30.7645+130.1800/+30.7670+130.1600/+30.7726+130.1400/+30.7752+130.1200/+30.7791+130.1000/+30.7800+130.0966/+30.7804+130.0800/+30.7808+130.0600/+30.7808+130.0400/+30.7822+130.0200/+30.7837+130.0000/+30.7822+129.9800/+30.7833+129.9600/+30.7849+129.9400/+30.7877+129.9200/+30.7914+129.9000/+30.7920+129.8800/+30.7975+129.8600/+30.8000+129.8526/+30.8037+129.8400/+30.8087+129.8200/+30.8143+129.8000/+30.8200+129.7882/+30.8267+129.7800/+30.8350+129.7600/+30.8400+129.7480/+30.8600+129.7551/+30.8614+129.7600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8115+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3141/+30.7659+130.3000/+30.7800+130.2859/+30.7885+130.2800/+30.8000+130.2659/+30.8115+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T00:00:00+09:00 2026-10-17T03:00:00+09:00 降灰 70 +30.8037+129.9600/+30.8087+129.9800/+30.8033+130.0000/+30.8064+130.0200/+30.8096+130.0400/+30.8100+130.0600/+30.8134+130.0800/+30.8149+130.1000/+30.8164+130.1200/+30.8177+130.1400/+30.8185+130.1600/+30.8191+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8144+130.3200/+30.8000+130.3344/+30.7800+130.3299/+30.7701+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2132/+30.7510+130.2000/+30.7460+130.1800/+30.7439+130.1600/+30.7432+130.1400/+30.7424+130.1200/+30.7422+130.1000/+30.7414+130.0800/+30.7400+130.0625/+30.7386+130.0600/+30.7340+130.0400/+30.7312+130.0200/+30.7266+130.0000/+30.7239+129.9800/+30.7236+129.9600/+30.7230+129.9400/+30.7223+129.9200/+30.7201+129.9000/+30.7200+129.8996/+30.7126+129.8800/+30.7127+129.8600/+30.7128+129.8400/+30.7158+129.8200/+30.7195+129.8000/+30.7200+129.7991/+30.7400+129.7820/+30.7600+129.7846/+30.7693+129.8000/+30.7735+129.8200/+30.7768+129.8400/+30.7800+129.8490/+30.7831+129.8600/+30.7873+129.8800/+30.7920+129.9000/+30.7966+129.9200/+30.7991+129.9400/+30.8000+129.9454/+30.8037+129.9600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8071+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7804+130.3000/+30.7819+130.2800/+30.8000+130.2711/+30.8071+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-17T03:00:00+09:00 2026-10-17T06:00:00+09:00 降灰 70 +30.8228+129.7800/+30.8266+129.8000/+30.8242+129.8200/+30.8216+129.8400/+30.8242+129.8600/+30.8261+129.8800/+30.8254+129.9000/+30.8256+129.9200/+30.8257+129.9400/+30.8250+129.9600/+30.8232+129.9800/+30.8200+129.9852/+30.8160+130.0000/+30.8128+130.0200/+30.8133+130.0400/+30.8146+130.0600/+30.8140+130.0800/+30.8147+130.1000/+30.8156+130.1200/+30.8167+130.1400/+30.8175+130.1600/+30.8183+130.1800/+30.8188+130.2000/+30.8193+130.2200/+30.8197+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8116+130.3200/+30.8000+130.3316/+30.7800+130.3249/+30.7751+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2600/+30.7600+130.2595/+30.7427+130.2400/+30.7413+130.2200/+30.7410+130.2000/+30.7407+130.1800/+30.7401+130.1600/+30.7400+130.1584/+30.7304+130.1400/+30.7271+130.1200/+30.7256+130.1000/+30.7244+130.0800/+30.7223+130.0600/+30.7203+130.0400/+30.7225+130.0200/+30.7200+130.0041/+30.7175+130.0000/+30.7146+129.9800/+30.7162+129.9600/+30.7187+129.9400/+30.7200+129.9319/+30.7209+129.9200/+30.7228+129.9000/+30.7230+129.8800/+30.7255+129.8600/+30.7291+129.8400/+30.7334+129.8200/+30.7400+129.8012/+30.7405+129.8000/+30.7531+129.7800/+30.7600+129.7709/+30.7702+129.7600/+30.7800+129.7465/+30.7849+129.7400/+30.7958+129.7200/+30.8000+129.7128/+30.8034+129.7200/+30.8107+129.7400/+30.8175+129.7600/+30.8200+129.7683/+30.8228+129.7800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8124+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3059/+30.7741+130.3000/+30.7748+130.2800/+30.7800+130.2725/+30.8000+130.2654/+30.8124+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T06:00:00+09:00 2026-10-17T09:00:00+09:00 降灰 70 +30.8009+129.9800/+30.8000+129.9810/+30.7934+130.0000/+30.7954+130.0200/+30.7966+130.0400/+30.7975+130.0600/+30.7983+130.0800/+30.7989+130.1000/+30.7992+130.1200/+30.7996+130.1400/+30.7999+130.1600/+30.8000+130.1640/+30.8077+130.1800/+30.8151+130.2000/+30.8184+130.2200/+30.8195+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8034+130.3200/+30.8000+130.3234/+30.7921+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2738/+30.7463+130.2600/+30.7412+130.2400/+30.7407+130.2200/+30.7405+130.2000/+30.7401+130.1800/+30.7400+130.1783/+30.7282+130.1600/+30.7251+130.1400/+30.7234+130.1200/+30.7224+130.1000/+30.7215+130.0800/+30.7200+130.0652/+30.7173+130.0600/+30.7136+130.0400/+30.7129+130.0200/+30.7064+130.0000/+30.7078+129.9800/+30.7054+129.9600/+30.7033+129.9400/+30.7015+129.9200/+30.7000+129.9143/+30.6955+129.9000/+30.6959+129.8800/+30.6971+129.8600/+30.6986+129.8400/+30.6986+129.8200/+30.6986+129.8000/+30.7000+129.7942/+30.7060+129.7800/+30.7093+129.7600/+30.7136+129.7400/+30.7193+129.7200/+30.7200+129.7180/+30.7286+129.7000/+30.7400+129.6807/+30.7600+129.6949/+30.7613+129.7000/+30.7680+129.7200/+30.7729+129.7400/+30.7770+129.7600/+30.7800+129.7767/+30.7805+129.7800/+30.7841+129.8000/+30.7853+129.8200/+30.7864+129.8400/+30.7886+129.8600/+30.7903+129.8800/+30.7892+129.9000/+30.7919+129.9200/+30.7963+129.9400/+30.7989+129.9600/+30.8000+129.9735/+30.8009+129.9800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8121+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3152/+30.7648+130.3000/+30.7697+130.2800/+30.7800+130.2659/+30.8000+130.2650/+30.8121+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T09:00:00+09:00 2026-10-17T12:00:00+09:00 降灰 70 +30.8015+129.7800/+30.8031+129.8000/+30.8074+129.8200/+30.8108+129.8400/+30.8137+129.8600/+30.8161+129.8800/+30.8125+129.9000/+30.8142+129.9200/+30.8153+129.9400/+30.8165+129.9600/+30.8176+129.9800/+30.8110+130.0000/+30.8125+130.0200/+30.8133+130.0400/+30.8139+130.0600/+30.8157+130.0800/+30.8166+130.1000/+30.8173+130.1200/+30.8181+130.1400/+30.8187+130.1600/+30.8191+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2475/+30.7531+130.2400/+30.7443+130.2200/+30.7426+130.2000/+30.7420+130.1800/+30.7415+130.1600/+30.7415+130.1400/+30.7409+130.1200/+30.7404+130.1000/+30.7402+130.0800/+30.7400+130.0741/+30.7361+130.0600/+30.7325+130.0400/+30.7290+130.0200/+30.7276+130.0000/+30.7247+129.9800/+30.7246+129.9600/+30.7243+129.9400/+30.7236+129.9200/+30.7224+129.9000/+30.7200+129.8802/+30.7199+129.8800/+30.7178+129.8600/+30.7159+129.8400/+30.7194+129.8200/+30.7200+129.8168/+30.7220+129.8000/+30.7200+129.7873/+30.7187+129.7800/+30.7200+129.7640/+30.7204+129.7600/+30.7222+129.7400/+30.7241+129.7200/+30.7263+129.7000/+30.7322+129.6800/+30.7400+129.6616/+30.7463+129.6600/+30.7600+129.6549/+30.7626+129.6600/+30.7742+129.6800/+30.7800+129.6944/+30.7819+129.7000/+30.7865+129.7200/+30.7907+129.7400/+30.7957+129.7600/+30.8000+129.7748/+30.8015+129.7800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3133/+30.7667+130.3000/+30.7688+130.2800/+30.7800+130.2651/+30.8000+130.2626/+30.8139+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T12:00:00+09:00 2026-10-17T15:00:00+09:00 降灰 70 +30.8200+129.8800/+30.8135+129.9000/+30.8144+129.9200/+30.8151+129.9400/+30.8158+129.9600/+30.8166+129.9800/+30.8069+130.0000/+30.8098+130.0200/+30.8111+130.0400/+30.8132+130.0600/+30.8147+130.0800/+30.8163+130.1000/+30.8174+130.1200/+30.8183+130.1400/+30.8190+130.1600/+30.8193+130.1800/+30.8196+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7601+130.2000/+30.7601+130.1800/+30.7600+130.1730/+30.7517+130.1600/+30.7467+130.1400/+30.7449+130.1200/+30.7440+130.1000/+30.7431+130.0800/+30.7429+130.0600/+30.7426+130.0400/+30.7424+130.0200/+30.7423+130.0000/+30.7400+129.9922/+30.7283+129.9800/+30.7285+129.9600/+30.7284+129.9400/+30.7281+129.9200/+30.7286+129.9000/+30.7270+129.8800/+30.7271+129.8600/+30.7273+129.8400/+30.7285+129.8200/+30.7302+129.8000/+30.7221+129.7800/+30.7233+129.7600/+30.7249+129.7400/+30.7269+129.7200/+30.7291+129.7000/+30.7323+129.6800/+30.7364+129.6600/+30.7400+129.6422/+30.7414+129.6400/+30.7515+129.6200/+30.7600+129.6038/+30.7745+129.6200/+30.7800+129.6311/+30.7831+129.6400/+30.7931+129.6600/+30.8000+129.6711/+30.8022+129.6800/+30.8065+129.7000/+30.8107+129.7200/+30.8142+129.7400/+30.8163+129.7600/+30.8175+129.7800/+30.8121+129.8000/+30.8145+129.8200/+30.8165+129.8400/+30.8184+129.8600/+30.8200+129.8797/+30.8200+129.8800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8140+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2915/+30.7685+130.2800/+30.7800+130.2642/+30.8000+130.2622/+30.8140+130.2800/ 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、１６日２１時から２４時までは火口から西方向、１７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。 　１６日２１時から１７日１５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 　１６日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日１２時から１５時まで　西　　　　　　　７０ｋｍ　　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。