2026-09-16T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-17T05:00:00+09:00 2026-09-17T06:00:00+09:00 2026-09-18T00:00:00+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、１７日０９時から１２時までは火口から西方向、１７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 2026-09-17T06:00:00+09:00 2026-09-17T09:00:00+09:00 降灰 70 +30.8222+130.1200/+30.8324+130.1400/+30.8204+130.1600/+30.8255+130.1800/+30.8296+130.2000/+30.8314+130.2200/+30.8316+130.2400/+30.8255+130.2600/+30.8200+130.2673/+30.8200+130.2800/+30.8199+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3323/+30.7677+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2722/+30.7478+130.2600/+30.7413+130.2400/+30.7406+130.2200/+30.7404+130.2000/+30.7400+130.1841/+30.7364+130.1800/+30.7260+130.1600/+30.7235+130.1400/+30.7218+130.1200/+30.7209+130.1000/+30.7200+130.0851/+30.7176+130.0800/+30.7090+130.0600/+30.7061+130.0400/+30.7032+130.0200/+30.7000+130.0111/+30.6907+130.0000/+30.6891+129.9800/+30.6889+129.9600/+30.6877+129.9400/+30.6856+129.9200/+30.6860+129.9000/+30.6862+129.8800/+30.6882+129.8600/+30.6906+129.8400/+30.6940+129.8200/+30.6989+129.8000/+30.7000+129.7950/+30.7200+129.7825/+30.7400+129.7853/+30.7512+129.8000/+30.7600+129.8137/+30.7624+129.8200/+30.7687+129.8400/+30.7728+129.8600/+30.7759+129.8800/+30.7736+129.9000/+30.7767+129.9200/+30.7800+129.9392/+30.7803+129.9400/+30.7873+129.9600/+30.7922+129.9800/+30.7897+130.0000/+30.7930+130.0200/+30.7962+130.0400/+30.7959+130.0600/+30.7993+130.0800/+30.8000+130.0923/+30.8085+130.1000/+30.8200+130.1141/+30.8222+130.1200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8091+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3109/+30.7691+130.3000/+30.7734+130.2800/+30.7800+130.2714/+30.8000+130.2690/+30.8091+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T09:00:00+09:00 2026-09-17T12:00:00+09:00 降灰 70 +30.8078+130.2200/+30.8181+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8148+130.3200/+30.8000+130.3348/+30.7800+130.3312/+30.7688+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2773/+30.7428+130.2600/+30.7405+130.2400/+30.7403+130.2200/+30.7403+130.2000/+30.7400+130.1863/+30.7343+130.1800/+30.7235+130.1600/+30.7219+130.1400/+30.7213+130.1200/+30.7207+130.1000/+30.7200+130.0862/+30.7162+130.0800/+30.7077+130.0600/+30.7044+130.0400/+30.7038+130.0200/+30.7000+130.0097/+30.6908+130.0000/+30.6899+129.9800/+30.6904+129.9600/+30.6908+129.9400/+30.6910+129.9200/+30.6912+129.9000/+30.6929+129.8800/+30.6961+129.8600/+30.7000+129.8440/+30.7012+129.8400/+30.7042+129.8200/+30.7080+129.8000/+30.7200+129.7829/+30.7245+129.7800/+30.7365+129.7600/+30.7400+129.7554/+30.7506+129.7600/+30.7600+129.7640/+30.7663+129.7800/+30.7757+129.8000/+30.7780+129.8200/+30.7797+129.8400/+30.7800+129.8545/+30.7801+129.8600/+30.7804+129.8800/+30.7800+129.8813/+30.7763+129.9000/+30.7774+129.9200/+30.7786+129.9400/+30.7796+129.9600/+30.7800+129.9704/+30.7814+129.9800/+30.7800+129.9855/+30.7793+130.0000/+30.7800+130.0076/+30.7835+130.0200/+30.7843+130.0400/+30.7876+130.0600/+30.7905+130.0800/+30.7910+130.1000/+30.7956+130.1200/+30.7978+130.1400/+30.7989+130.1600/+30.7995+130.1800/+30.7998+130.2000/+30.8000+130.2090/+30.8078+130.2200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8074+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3153/+30.7647+130.3000/+30.7722+130.2800/+30.7800+130.2704/+30.8000+130.2708/+30.8074+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T12:00:00+09:00 2026-09-17T15:00:00+09:00 降灰 70 +30.8064+130.2200/+30.8188+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8130+130.3200/+30.8000+130.3330/+30.7800+130.3285/+30.7715+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2777/+30.7433+130.2600/+30.7405+130.2400/+30.7403+130.2200/+30.7402+130.2000/+30.7400+130.1902/+30.7306+130.1800/+30.7229+130.1600/+30.7216+130.1400/+30.7207+130.1200/+30.7200+130.1083/+30.7142+130.1000/+30.7061+130.0800/+30.7031+130.0600/+30.7013+130.0400/+30.7000+130.0269/+30.6952+130.0200/+30.6838+130.0000/+30.6819+129.9800/+30.6800+129.9682/+30.6773+129.9600/+30.6738+129.9400/+30.6719+129.9200/+30.6645+129.9000/+30.6617+129.8800/+30.6600+129.8654/+30.6594+129.8600/+30.6573+129.8400/+30.6585+129.8200/+30.6600+129.8089/+30.6615+129.8000/+30.6634+129.7800/+30.6659+129.7600/+30.6719+129.7400/+30.6800+129.7268/+30.6861+129.7200/+30.7000+129.7099/+30.7064+129.7200/+30.7167+129.7400/+30.7200+129.7478/+30.7246+129.7600/+30.7312+129.7800/+30.7400+129.7959/+30.7413+129.8000/+30.7470+129.8200/+30.7514+129.8400/+30.7548+129.8600/+30.7576+129.8800/+30.7600+129.8873/+30.7645+129.9000/+30.7687+129.9200/+30.7712+129.9400/+30.7738+129.9600/+30.7760+129.9800/+30.7749+130.0000/+30.7766+130.0200/+30.7779+130.0400/+30.7793+130.0600/+30.7800+130.0775/+30.7810+130.0800/+30.7889+130.1000/+30.7950+130.1200/+30.7978+130.1400/+30.7990+130.1600/+30.7995+130.1800/+30.7998+130.2000/+30.8000+130.2128/+30.8064+130.2200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8118+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3160/+30.7640+130.3000/+30.7674+130.2800/+30.7800+130.2645/+30.8000+130.2661/+30.8118+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T15:00:00+09:00 2026-09-17T18:00:00+09:00 降灰 70 +30.8023+129.9800/+30.8000+129.9826/+30.7951+130.0000/+30.7961+130.0200/+30.7964+130.0400/+30.7976+130.0600/+30.7985+130.0800/+30.7991+130.1000/+30.7998+130.1200/+30.8000+130.1353/+30.8014+130.1400/+30.8079+130.1600/+30.8142+130.1800/+30.8175+130.2000/+30.8192+130.2200/+30.8197+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8098+130.3200/+30.8000+130.3298/+30.7800+130.3207/+30.7793+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7600+130.2600/+30.7600+130.2574/+30.7433+130.2400/+30.7410+130.2200/+30.7406+130.2000/+30.7405+130.1800/+30.7404+130.1600/+30.7400+130.1452/+30.7358+130.1400/+30.7260+130.1200/+30.7239+130.1000/+30.7226+130.0800/+30.7217+130.0600/+30.7210+130.0400/+30.7200+130.0203/+30.7199+130.0200/+30.7013+130.0000/+30.7000+129.9866/+30.6989+129.9800/+30.6966+129.9600/+30.6951+129.9400/+30.6941+129.9200/+30.6900+129.9000/+30.6900+129.8800/+30.6902+129.8600/+30.6905+129.8400/+30.6894+129.8200/+30.6881+129.8000/+30.6804+129.7800/+30.6810+129.7600/+30.6818+129.7400/+30.6830+129.7200/+30.6843+129.7000/+30.6882+129.6800/+30.6932+129.6600/+30.6985+129.6400/+30.7000+129.6339/+30.7025+129.6400/+30.7129+129.6600/+30.7200+129.6706/+30.7265+129.6800/+30.7400+129.6982/+30.7410+129.7000/+30.7533+129.7200/+30.7600+129.7314/+30.7628+129.7400/+30.7692+129.7600/+30.7745+129.7800/+30.7755+129.8000/+30.7800+129.8193/+30.7801+129.8200/+30.7835+129.8400/+30.7860+129.8600/+30.7879+129.8800/+30.7837+129.9000/+30.7892+129.9200/+30.7942+129.9400/+30.7982+129.9600/+30.8000+129.9707/+30.8023+129.9800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8129+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3149/+30.7651+130.3000/+30.7686+130.2800/+30.7800+130.2651/+30.8000+130.2638/+30.8129+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T18:00:00+09:00 2026-09-17T21:00:00+09:00 降灰 70 +30.8217+129.7200/+30.8249+129.7400/+30.8268+129.7600/+30.8279+129.7800/+30.8256+129.8000/+30.8251+129.8200/+30.8247+129.8400/+30.8257+129.8600/+30.8265+129.8800/+30.8211+129.9000/+30.8213+129.9200/+30.8227+129.9400/+30.8233+129.9600/+30.8232+129.9800/+30.8200+129.9833/+30.8134+130.0000/+30.8134+130.0200/+30.8135+130.0400/+30.8139+130.0600/+30.8149+130.0800/+30.8166+130.1000/+30.8168+130.1200/+30.8179+130.1400/+30.8198+130.1600/+30.8199+130.1800/+30.8200+130.1836/+30.8276+130.2000/+30.8251+130.2200/+30.8258+130.2400/+30.8200+130.2540/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3274/+30.7726+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2249/+30.7556+130.2200/+30.7449+130.2000/+30.7428+130.1800/+30.7423+130.1600/+30.7420+130.1400/+30.7419+130.1200/+30.7417+130.1000/+30.7416+130.0800/+30.7413+130.0600/+30.7413+130.0400/+30.7411+130.0200/+30.7414+130.0000/+30.7400+129.9945/+30.7285+129.9800/+30.7293+129.9600/+30.7301+129.9400/+30.7307+129.9200/+30.7324+129.9000/+30.7307+129.8800/+30.7328+129.8600/+30.7357+129.8400/+30.7382+129.8200/+30.7400+129.8079/+30.7414+129.8000/+30.7473+129.7800/+30.7547+129.7600/+30.7600+129.7448/+30.7617+129.7400/+30.7684+129.7200/+30.7771+129.7000/+30.7800+129.6850/+30.7809+129.6800/+30.7843+129.6600/+30.7888+129.6400/+30.7949+129.6200/+30.8000+129.6044/+30.8062+129.6200/+30.8119+129.6400/+30.8147+129.6600/+30.8159+129.6800/+30.8169+129.7000/+30.8200+129.7120/+30.8217+129.7200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8129+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3056/+30.7744+130.3000/+30.7719+130.2800/+30.7800+130.2684/+30.8000+130.2640/+30.8129+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T21:00:00+09:00 2026-09-18T00:00:00+09:00 降灰 70 +30.9414+130.0200/+30.9428+130.0400/+30.9400+130.0519/+30.9385+130.0600/+30.9294+130.0800/+30.9269+130.1000/+30.9200+130.1106/+30.9174+130.1200/+30.9135+130.1400/+30.9014+130.1600/+30.9000+130.1617/+30.8959+130.1800/+30.8800+130.1988/+30.8797+130.2000/+30.8758+130.2200/+30.8600+130.2376/+30.8597+130.2400/+30.8568+130.2600/+30.8400+130.2771/+30.8399+130.2800/+30.8387+130.3000/+30.8200+130.3187/+30.8187+130.3200/+30.8000+130.3387/+30.7800+130.3365/+30.7635+130.3200/+30.7601+130.3000/+30.7604+130.2800/+30.7648+130.2600/+30.7800+130.2407/+30.7800+130.2400/+30.7805+130.2200/+30.7813+130.2000/+30.7821+130.1800/+30.7837+130.1600/+30.7875+130.1400/+30.7931+130.1200/+30.7983+130.1000/+30.8000+130.0957/+30.8037+130.0800/+30.8089+130.0600/+30.8200+130.0400/+30.8280+130.0200/+30.8325+130.0000/+30.8383+129.9800/+30.8400+129.9763/+30.8530+129.9600/+30.8600+129.9483/+30.8699+129.9400/+30.8800+129.9324/+30.9000+129.9332/+30.9105+129.9400/+30.9200+129.9493/+30.9257+129.9600/+30.9335+129.9800/+30.9389+130.0000/+30.9400+130.0065/+30.9414+130.0200/ 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+130.2800/+30.8188+130.3000/ 北西 1 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、１７日０９時から１２時までは火口から西方向、１７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。 　１７日６時から１７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 　１７日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１７日２１時から２４時まで　西　　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　 　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。