2026-10-16T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-16T11:00:00+09:00 2026-10-16T12:00:00+09:00 2026-10-17T06:00:00+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 2026-10-16T12:00:00+09:00 2026-10-16T15:00:00+09:00 降灰 70 +30.8608+129.8800/+30.8608+129.9000/+30.8624+129.9200/+30.8647+129.9400/+30.8643+129.9600/+30.8616+129.9800/+30.8600+129.9891/+30.8588+130.0000/+30.8502+130.0200/+30.8478+130.0400/+30.8400+130.0553/+30.8395+130.0600/+30.8390+130.0800/+30.8380+130.1000/+30.8373+130.1200/+30.8368+130.1400/+30.8359+130.1600/+30.8348+130.1800/+30.8313+130.2000/+30.8248+130.2200/+30.8200+130.2265/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8143+130.3200/+30.8000+130.3343/+30.7800+130.3288/+30.7712+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7603+130.2000/+30.7604+130.1800/+30.7604+130.1600/+30.7606+130.1400/+30.7606+130.1200/+30.7608+130.1000/+30.7608+130.0800/+30.7610+130.0600/+30.7613+130.0400/+30.7623+130.0200/+30.7650+130.0000/+30.7600+129.9826/+30.7581+129.9800/+30.7600+129.9702/+30.7614+129.9600/+30.7657+129.9400/+30.7737+129.9200/+30.7789+129.9000/+30.7800+129.8936/+30.7824+129.8800/+30.7862+129.8600/+30.7915+129.8400/+30.8000+129.8230/+30.8124+129.8200/+30.8200+129.8183/+30.8400+129.8145/+30.8436+129.8200/+30.8530+129.8400/+30.8576+129.8600/+30.8600+129.8743/+30.8608+129.8800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8088+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7888+130.2800/+30.8000+130.2691/+30.8088+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-16T15:00:00+09:00 2026-10-16T18:00:00+09:00 降灰 70 +30.8608+129.7600/+30.8647+129.7800/+30.8657+129.8000/+30.8662+129.8200/+30.8665+129.8400/+30.8657+129.8600/+30.8651+129.8800/+30.8604+129.9000/+30.8615+129.9200/+30.8603+129.9400/+30.8600+129.9430/+30.8590+129.9600/+30.8572+129.9800/+30.8520+130.0000/+30.8460+130.0200/+30.8400+130.0386/+30.8399+130.0400/+30.8380+130.0600/+30.8375+130.0800/+30.8367+130.1000/+30.8359+130.1200/+30.8360+130.1400/+30.8343+130.1600/+30.8327+130.1800/+30.8272+130.2000/+30.8200+130.2142/+30.8200+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8106+130.3200/+30.8000+130.3306/+30.7800+130.3209/+30.7791+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7601+130.1800/+30.7600+130.1702/+30.7567+130.1600/+30.7544+130.1400/+30.7505+130.1200/+30.7501+130.1000/+30.7513+130.0800/+30.7544+130.0600/+30.7562+130.0400/+30.7561+130.0200/+30.7600+130.0070/+30.7608+130.0000/+30.7600+129.9956/+30.7525+129.9800/+30.7572+129.9600/+30.7600+129.9488/+30.7616+129.9400/+30.7653+129.9200/+30.7703+129.9000/+30.7739+129.8800/+30.7800+129.8601/+30.7801+129.8600/+30.7912+129.8400/+30.7970+129.8200/+30.8000+129.8115/+30.8051+129.8000/+30.8170+129.7800/+30.8200+129.7743/+30.8277+129.7600/+30.8400+129.7420/+30.8600+129.7570/+30.8608+129.7600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8103+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2671/+30.8103+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-16T18:00:00+09:00 2026-10-16T21:00:00+09:00 降灰 70 +30.8407+129.7400/+30.8509+129.7600/+30.8571+129.7800/+30.8588+129.8000/+30.8589+129.8200/+30.8590+129.8400/+30.8595+129.8600/+30.8600+129.8800/+30.8578+129.9000/+30.8597+129.9200/+30.8587+129.9400/+30.8579+129.9600/+30.8573+129.9800/+30.8537+130.0000/+30.8448+130.0200/+30.8400+130.0311/+30.8392+130.0400/+30.8384+130.0600/+30.8381+130.0800/+30.8375+130.1000/+30.8370+130.1200/+30.8367+130.1400/+30.8359+130.1600/+30.8352+130.1800/+30.8335+130.2000/+30.8283+130.2200/+30.8200+130.2332/+30.8200+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8087+130.3200/+30.8000+130.3287/+30.7825+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7604+130.2000/+30.7605+130.1800/+30.7605+130.1600/+30.7605+130.1400/+30.7607+130.1200/+30.7606+130.1000/+30.7612+130.0800/+30.7612+130.0600/+30.7614+130.0400/+30.7612+130.0200/+30.7630+130.0000/+30.7600+129.9886/+30.7536+129.9800/+30.7579+129.9600/+30.7600+129.9509/+30.7617+129.9400/+30.7650+129.9200/+30.7688+129.9000/+30.7720+129.8800/+30.7748+129.8600/+30.7784+129.8400/+30.7800+129.8306/+30.7820+129.8200/+30.7870+129.8000/+30.7925+129.7800/+30.8000+129.7601/+30.8002+129.7600/+30.8200+129.7516/+30.8386+129.7400/+30.8400+129.7390/+30.8407+129.7400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8098+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7872+130.2800/+30.8000+130.2675/+30.8098+130.2800/ 北西 3 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 +30.8906+129.8000/+30.8890+129.8200/+30.8873+129.8400/+30.8829+129.8600/+30.8800+129.8714/+30.8788+129.8800/+30.8800+129.8982/+30.8802+129.9000/+30.8800+129.9031/+30.8796+129.9200/+30.8764+129.9400/+30.8744+129.9600/+30.8734+129.9800/+30.8712+130.0000/+30.8600+130.0115/+30.8566+130.0200/+30.8545+130.0400/+30.8516+130.0600/+30.8487+130.0800/+30.8400+130.0955/+30.8397+130.1000/+30.8392+130.1200/+30.8389+130.1400/+30.8387+130.1600/+30.8385+130.1800/+30.8380+130.2000/+30.8368+130.2200/+30.8322+130.2400/+30.8200+130.2540/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8122+130.3200/+30.8000+130.3322/+30.7800+130.3240/+30.7760+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7603+130.2400/+30.7608+130.2200/+30.7614+130.2000/+30.7624+130.1800/+30.7637+130.1600/+30.7658+130.1400/+30.7680+130.1200/+30.7695+130.1000/+30.7734+130.0800/+30.7800+130.0629/+30.7802+130.0600/+30.7805+130.0400/+30.7817+130.0200/+30.7830+130.0000/+30.7823+129.9800/+30.7844+129.9600/+30.7871+129.9400/+30.7907+129.9200/+30.7951+129.9000/+30.8000+129.8870/+30.8030+129.8800/+30.8081+129.8600/+30.8150+129.8400/+30.8196+129.8200/+30.8200+129.8183/+30.8250+129.8000/+30.8334+129.7800/+30.8400+129.7618/+30.8432+129.7600/+30.8600+129.7499/+30.8675+129.7600/+30.8760+129.7800/+30.8800+129.7831/+30.8906+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7900+130.2800/+30.8000+130.2680/+30.8100+130.2800/ 北西 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 +30.8234+129.9400/+30.8254+129.9600/+30.8262+129.9800/+30.8200+129.9887/+30.8171+130.0000/+30.8184+130.0200/+30.8185+130.0400/+30.8186+130.0600/+30.8188+130.0800/+30.8189+130.1000/+30.8194+130.1200/+30.8194+130.1400/+30.8194+130.1600/+30.8196+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8128+130.3200/+30.8000+130.3328/+30.7800+130.3268/+30.7732+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7603+130.1800/+30.7601+130.1600/+30.7600+130.1476/+30.7576+130.1400/+30.7516+130.1200/+30.7491+130.1000/+30.7465+130.0800/+30.7469+130.0600/+30.7461+130.0400/+30.7440+130.0200/+30.7448+130.0000/+30.7400+129.9843/+30.7363+129.9800/+30.7358+129.9600/+30.7358+129.9400/+30.7363+129.9200/+30.7380+129.9000/+30.7374+129.8800/+30.7397+129.8600/+30.7400+129.8574/+30.7427+129.8400/+30.7463+129.8200/+30.7510+129.8000/+30.7600+129.7865/+30.7800+129.7843/+30.7979+129.7800/+30.8000+129.7788/+30.8003+129.7800/+30.8062+129.8000/+30.8095+129.8200/+30.8120+129.8400/+30.8157+129.8600/+30.8186+129.8800/+30.8171+129.9000/+30.8195+129.9200/+30.8200+129.9231/+30.8234+129.9400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8085+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2695/+30.8085+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 +30.8023+129.7800/+30.8055+129.8000/+30.8075+129.8200/+30.8092+129.8400/+30.8107+129.8600/+30.8120+129.8800/+30.8109+129.9000/+30.8135+129.9200/+30.8152+129.9400/+30.8167+129.9600/+30.8179+129.9800/+30.8123+130.0000/+30.8134+130.0200/+30.8134+130.0400/+30.8136+130.0600/+30.8143+130.0800/+30.8147+130.1000/+30.8165+130.1200/+30.8176+130.1400/+30.8183+130.1600/+30.8189+130.1800/+30.8193+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8083+130.3200/+30.8000+130.3283/+30.7817+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2359/+30.7482+130.2200/+30.7440+130.2000/+30.7431+130.1800/+30.7426+130.1600/+30.7420+130.1400/+30.7419+130.1200/+30.7415+130.1000/+30.7415+130.0800/+30.7409+130.0600/+30.7404+130.0400/+30.7408+130.0200/+30.7401+130.0000/+30.7400+129.9997/+30.7262+129.9800/+30.7263+129.9600/+30.7264+129.9400/+30.7265+129.9200/+30.7275+129.9000/+30.7270+129.8800/+30.7267+129.8600/+30.7263+129.8400/+30.7279+129.8200/+30.7299+129.8000/+30.7260+129.7800/+30.7281+129.7600/+30.7313+129.7400/+30.7365+129.7200/+30.7400+129.7091/+30.7538+129.7000/+30.7600+129.6918/+30.7632+129.7000/+30.7769+129.7200/+30.7800+129.7259/+30.7863+129.7400/+30.7945+129.7600/+30.8000+129.7726/+30.8023+129.7800/ 西 60 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+130.3038/+30.7762+130.3000/+30.7763+130.2800/+30.7800+130.2749/+30.8000+130.2660/+30.8115+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に降灰が予想されます。 　１６日１２時から１７日６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１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１６日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１６日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　　　　　 　 　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。