2026-09-16T02:00:00Z 通常 気象庁本庁 気象庁 2026-09-16T11:00:00+09:00 2026-09-16T12:00:00+09:00 2026-09-17T06:00:00+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 2026-09-16T12:00:00+09:00 2026-09-16T15:00:00+09:00 降灰 70 +30.8273+129.8000/+30.8255+129.8200/+30.8246+129.8400/+30.8283+129.8600/+30.8303+129.8800/+30.8300+129.9000/+30.8303+129.9200/+30.8322+129.9400/+30.8335+129.9600/+30.8345+129.9800/+30.8279+130.0000/+30.8246+130.0200/+30.8220+130.0400/+30.8200+130.0591/+30.8200+130.0600/+30.8197+130.0800/+30.8197+130.1000/+30.8195+130.1200/+30.8196+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/+30.8199+130.3000/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3272/+30.7728+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2200/+30.7600+130.2163/+30.7514+130.2000/+30.7467+130.1800/+30.7448+130.1600/+30.7447+130.1400/+30.7444+130.1200/+30.7444+130.1000/+30.7443+130.0800/+30.7441+130.0600/+30.7444+130.0400/+30.7424+130.0200/+30.7430+130.0000/+30.7400+129.9836/+30.7382+129.9800/+30.7389+129.9600/+30.7400+129.9486/+30.7406+129.9400/+30.7433+129.9200/+30.7422+129.9000/+30.7405+129.8800/+30.7460+129.8600/+30.7546+129.8400/+30.7600+129.8221/+30.7613+129.8200/+30.7722+129.8000/+30.7800+129.7884/+30.7859+129.7800/+30.7948+129.7600/+30.8000+129.7507/+30.8055+129.7600/+30.8143+129.7800/+30.8200+129.7884/+30.8273+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8110+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7804+130.3000/+30.7837+130.2800/+30.8000+130.2669/+30.8110+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-16T15:00:00+09:00 2026-09-16T18:00:00+09:00 降灰 70 +30.8205+129.9200/+30.8245+129.9400/+30.8275+129.9600/+30.8299+129.9800/+30.8200+129.9976/+30.8195+130.0000/+30.8194+130.0200/+30.8197+130.0400/+30.8196+130.0600/+30.8194+130.0800/+30.8190+130.1000/+30.8191+130.1200/+30.8191+130.1400/+30.8193+130.1600/+30.8195+130.1800/+30.8196+130.2000/+30.8197+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8174+130.3200/+30.8000+130.3374/+30.7800+130.3350/+30.7650+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7601+130.2000/+30.7600+130.1865/+30.7566+130.1800/+30.7519+130.1600/+30.7493+130.1400/+30.7487+130.1200/+30.7481+130.1000/+30.7467+130.0800/+30.7469+130.0600/+30.7469+130.0400/+30.7472+130.0200/+30.7480+130.0000/+30.7424+129.9800/+30.7439+129.9600/+30.7455+129.9400/+30.7464+129.9200/+30.7494+129.9000/+30.7478+129.8800/+30.7494+129.8600/+30.7514+129.8400/+30.7534+129.8200/+30.7559+129.8000/+30.7600+129.7951/+30.7767+129.8000/+30.7800+129.8051/+30.7896+129.8200/+30.8000+129.8367/+30.8006+129.8400/+30.8101+129.8600/+30.8160+129.8800/+30.8170+129.9000/+30.8200+129.9172/+30.8205+129.9200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8048+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7839+130.2800/+30.8000+130.2740/+30.8048+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-16T18:00:00+09:00 2026-09-16T21:00:00+09:00 降灰 70 +30.9056+130.2000/+30.9000+130.2107/+30.8924+130.2000/+30.9000+130.1835/+30.9056+130.2000/ +30.8433+130.2400/+30.8400+130.2458/+30.8332+130.2600/+30.8203+130.2800/+30.8200+130.2803/+30.8199+130.3000/+30.8169+130.3200/+30.8000+130.3368/+30.7800+130.3343/+30.7657+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2600/+30.7600+130.2557/+30.7450+130.2400/+30.7414+130.2200/+30.7408+130.2000/+30.7407+130.1800/+30.7404+130.1600/+30.7400+130.1440/+30.7372+130.1400/+30.7276+130.1200/+30.7243+130.1000/+30.7232+130.0800/+30.7221+130.0600/+30.7218+130.0400/+30.7201+130.0200/+30.7200+130.0193/+30.7045+130.0000/+30.7025+129.9800/+30.7007+129.9600/+30.7000+129.9463/+30.6995+129.9400/+30.6989+129.9200/+30.6938+129.9000/+30.6933+129.8800/+30.6949+129.8600/+30.6973+129.8400/+30.7000+129.8245/+30.7010+129.8200/+30.7073+129.8000/+30.7200+129.7901/+30.7331+129.8000/+30.7400+129.8106/+30.7460+129.8200/+30.7585+129.8400/+30.7600+129.8423/+30.7686+129.8600/+30.7751+129.8800/+30.7749+129.9000/+30.7787+129.9200/+30.7800+129.9257/+30.7882+129.9400/+30.7952+129.9600/+30.7994+129.9800/+30.7935+130.0000/+30.7974+130.0200/+30.7981+130.0400/+30.7991+130.0600/+30.8000+130.0747/+30.8028+130.0800/+30.8104+130.1000/+30.8126+130.1200/+30.8142+130.1400/+30.8154+130.1600/+30.8173+130.1800/+30.8190+130.2000/+30.8196+130.2200/+30.8200+130.2303/+30.8400+130.2356/+30.8433+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8077+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3073/+30.7727+130.3000/+30.7767+130.2800/+30.7800+130.2757/+30.8000+130.2706/+30.8077+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-16T21:00:00+09:00 2026-09-17T00:00:00+09:00 降灰 70 +30.8203+129.8200/+30.8230+129.8400/+30.8260+129.8600/+30.8282+129.8800/+30.8280+129.9000/+30.8281+129.9200/+30.8293+129.9400/+30.8292+129.9600/+30.8283+129.9800/+30.8200+129.9933/+30.8181+130.0000/+30.8176+130.0200/+30.8184+130.0400/+30.8172+130.0600/+30.8166+130.0800/+30.8165+130.1000/+30.8175+130.1200/+30.8170+130.1400/+30.8177+130.1600/+30.8185+130.1800/+30.8192+130.2000/+30.8196+130.2200/+30.8199+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3281/+30.7719+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2600/+30.7600+130.2533/+30.7473+130.2400/+30.7422+130.2200/+30.7413+130.2000/+30.7412+130.1800/+30.7410+130.1600/+30.7408+130.1400/+30.7404+130.1200/+30.7400+130.1086/+30.7362+130.1000/+30.7337+130.0800/+30.7333+130.0600/+30.7306+130.0400/+30.7334+130.0200/+30.7315+130.0000/+30.7282+129.9800/+30.7305+129.9600/+30.7327+129.9400/+30.7341+129.9200/+30.7387+129.9000/+30.7400+129.8839/+30.7404+129.8800/+30.7459+129.8600/+30.7548+129.8400/+30.7598+129.8200/+30.7600+129.8194/+30.7704+129.8000/+30.7800+129.7876/+30.7853+129.7800/+30.7925+129.7600/+30.8000+129.7427/+30.8066+129.7600/+30.8116+129.7800/+30.8163+129.8000/+30.8200+129.8181/+30.8203+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8104+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3105/+30.7695+130.3000/+30.7741+130.2800/+30.7800+130.2718/+30.8000+130.2672/+30.8104+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T00:00:00+09:00 2026-09-17T03:00:00+09:00 降灰 70 +30.8690+129.9200/+30.8724+129.9400/+30.8748+129.9600/+30.8760+129.9800/+30.8753+130.0000/+30.8715+130.0200/+30.8638+130.0400/+30.8600+130.0529/+30.8589+130.0600/+30.8594+130.0800/+30.8600+130.0861/+30.8620+130.1000/+30.8600+130.1071/+30.8575+130.1200/+30.8544+130.1400/+30.8508+130.1600/+30.8453+130.1800/+30.8400+130.1933/+30.8394+130.2000/+30.8366+130.2200/+30.8345+130.2400/+30.8306+130.2600/+30.8200+130.2749/+30.8200+130.2800/+30.8199+130.3000/+30.8143+130.3200/+30.8000+130.3343/+30.7800+130.3288/+30.7712+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7602+130.2200/+30.7601+130.2000/+30.7600+130.1927/+30.7542+130.1800/+30.7548+130.1600/+30.7513+130.1400/+30.7498+130.1200/+30.7508+130.1000/+30.7505+130.0800/+30.7492+130.0600/+30.7468+130.0400/+30.7462+130.0200/+30.7470+130.0000/+30.7410+129.9800/+30.7400+129.9605/+30.7399+129.9600/+30.7385+129.9400/+30.7378+129.9200/+30.7387+129.9000/+30.7369+129.8800/+30.7395+129.8600/+30.7400+129.8566/+30.7431+129.8400/+30.7438+129.8200/+30.7446+129.8000/+30.7491+129.7800/+30.7523+129.7600/+30.7564+129.7400/+30.7600+129.7241/+30.7619+129.7200/+30.7711+129.7000/+30.7800+129.6916/+30.7944+129.6800/+30.8000+129.6760/+30.8017+129.6800/+30.8089+129.7000/+30.8113+129.7200/+30.8137+129.7400/+30.8177+129.7600/+30.8200+129.7688/+30.8227+129.7800/+30.8257+129.8000/+30.8278+129.8200/+30.8296+129.8400/+30.8367+129.8600/+30.8400+129.8712/+30.8456+129.8800/+30.8570+129.9000/+30.8600+129.9037/+30.8690+129.9200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8137+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2804/+30.7796+130.2800/+30.7800+130.2793/+30.8000+130.2630/+30.8137+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-17T03:00:00+09:00 2026-09-17T06:00:00+09:00 降灰 70 +30.8921+129.8000/+30.8910+129.8200/+30.8900+129.8400/+30.8850+129.8600/+30.8800+129.8770/+30.8794+129.8800/+30.8796+129.9000/+30.8786+129.9200/+30.8762+129.9400/+30.8736+129.9600/+30.8708+129.9800/+30.8683+130.0000/+30.8600+130.0090/+30.8551+130.0200/+30.8522+130.0400/+30.8481+130.0600/+30.8400+130.0780/+30.8398+130.0800/+30.8385+130.1000/+30.8378+130.1200/+30.8374+130.1400/+30.8372+130.1600/+30.8362+130.1800/+30.8338+130.2000/+30.8308+130.2200/+30.8231+130.2400/+30.8212+130.2600/+30.8200+130.2624/+30.8200+130.2800/+30.8199+130.3000/+30.8136+130.3200/+30.8000+130.3336/+30.7800+130.3263/+30.7737+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/+30.7605+130.1800/+30.7607+130.1600/+30.7606+130.1400/+30.7609+130.1200/+30.7614+130.1000/+30.7624+130.0800/+30.7636+130.0600/+30.7653+130.0400/+30.7661+130.0200/+30.7713+130.0000/+30.7694+129.9800/+30.7779+129.9600/+30.7800+129.9560/+30.7830+129.9400/+30.7877+129.9200/+30.7893+129.9000/+30.7910+129.8800/+30.8000+129.8646/+30.8024+129.8600/+30.8134+129.8400/+30.8193+129.8200/+30.8200+129.8177/+30.8262+129.8000/+30.8370+129.7800/+30.8400+129.7734/+30.8600+129.7603/+30.8757+129.7800/+30.8800+129.7824/+30.8921+129.8000/ 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/+30.7872+130.2800/+30.8000+130.2690/+30.8088+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、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　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０３時から０６時まで　西　　　　　　　５０ｋｍ　　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。