2026-09-16T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-16T17:00:00+09:00 2026-09-16T18:00:00+09:00 2026-09-17T12:00:00+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 2026-09-16T18:00:00+09:00 2026-09-16T21:00:00+09:00 降灰 70 +30.8722+130.2200/+30.8712+130.2400/+30.8706+130.2600/+30.8600+130.2733/+30.8566+130.2800/+30.8400+130.2928/+30.8277+130.3000/+30.8200+130.3065/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3364/+30.7636+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2250/+30.7562+130.2200/+30.7464+130.2000/+30.7445+130.1800/+30.7437+130.1600/+30.7432+130.1400/+30.7429+130.1200/+30.7425+130.1000/+30.7416+130.0800/+30.7408+130.0600/+30.7400+130.0504/+30.7366+130.0400/+30.7349+130.0200/+30.7349+130.0000/+30.7320+129.9800/+30.7329+129.9600/+30.7339+129.9400/+30.7352+129.9200/+30.7360+129.9000/+30.7400+129.8864/+30.7432+129.8800/+30.7496+129.8600/+30.7600+129.8427/+30.7715+129.8600/+30.7800+129.8731/+30.7844+129.8800/+30.8000+129.8991/+30.8004+129.9000/+30.8079+129.9200/+30.8165+129.9400/+30.8200+129.9539/+30.8214+129.9600/+30.8236+129.9800/+30.8205+130.0000/+30.8223+130.0200/+30.8265+130.0400/+30.8233+130.0600/+30.8276+130.0800/+30.8241+130.1000/+30.8228+130.1200/+30.8241+130.1400/+30.8200+130.1558/+30.8199+130.1600/+30.8199+130.1800/+30.8200+130.2000/+30.8200+130.2200/+30.8200+130.2202/+30.8204+130.2200/+30.8400+130.2110/+30.8600+130.2140/+30.8722+130.2200/ 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/+30.7800+130.3008/+30.7792+130.3000/+30.7800+130.2967/+30.8000+130.2800/+30.8188+130.3000/ 南西 2 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 +30.8404+129.8800/+30.8400+129.8940/+30.8399+129.9000/+30.8393+129.9200/+30.8399+129.9400/+30.8395+129.9600/+30.8384+129.9800/+30.8357+130.0000/+30.8354+130.0200/+30.8332+130.0400/+30.8320+130.0600/+30.8312+130.0800/+30.8274+130.1000/+30.8253+130.1200/+30.8219+130.1400/+30.8200+130.1471/+30.8199+130.1600/+30.8198+130.1800/+30.8198+130.2000/+30.8199+130.2200/+30.8200+130.2363/+30.8400+130.2381/+30.8419+130.2400/+30.8400+130.2430/+30.8368+130.2600/+30.8314+130.2800/+30.8200+130.2925/+30.8200+130.3000/+30.8169+130.3200/+30.8000+130.3369/+30.7800+130.3336/+30.7664+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2092/+30.7550+130.2000/+30.7485+130.1800/+30.7467+130.1600/+30.7464+130.1400/+30.7462+130.1200/+30.7453+130.1000/+30.7452+130.0800/+30.7457+130.0600/+30.7464+130.0400/+30.7470+130.0200/+30.7497+130.0000/+30.7464+129.9800/+30.7487+129.9600/+30.7523+129.9400/+30.7584+129.9200/+30.7600+129.9131/+30.7624+129.9000/+30.7695+129.8800/+30.7762+129.8600/+30.7800+129.8519/+30.7875+129.8400/+30.7953+129.8200/+30.8000+129.8109/+30.8106+129.8200/+30.8200+129.8321/+30.8244+129.8400/+30.8358+129.8600/+30.8400+129.8777/+30.8404+129.8800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8080+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7801+130.3000/+30.7857+130.2800/+30.8000+130.2699/+30.8080+130.2800/ 北西 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 +30.9053+130.1200/+30.9000+130.1288/+30.8911+130.1400/+30.8955+130.1600/+30.8953+130.1800/+30.8800+130.2000/+30.8816+130.2200/+30.8800+130.2246/+30.8774+130.2400/+30.8711+130.2600/+30.8600+130.2723/+30.8554+130.2800/+30.8400+130.2944/+30.8361+130.3000/+30.8200+130.3153/+30.8163+130.3200/+30.8000+130.3363/+30.7800+130.3318/+30.7682+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7604+130.2400/+30.7609+130.2200/+30.7617+130.2000/+30.7630+130.1800/+30.7648+130.1600/+30.7667+130.1400/+30.7701+130.1200/+30.7783+130.1000/+30.7800+130.0888/+30.7802+130.0800/+30.7810+130.0600/+30.7830+130.0400/+30.7841+130.0200/+30.7868+130.0000/+30.7873+129.9800/+30.7895+129.9600/+30.7929+129.9400/+30.7989+129.9200/+30.8000+129.9160/+30.8039+129.9000/+30.8095+129.8800/+30.8137+129.8600/+30.8187+129.8400/+30.8200+129.8324/+30.8223+129.8200/+30.8265+129.8000/+30.8360+129.7800/+30.8400+129.7679/+30.8528+129.7600/+30.8600+129.7553/+30.8630+129.7600/+30.8720+129.7800/+30.8800+129.7881/+30.8867+129.8000/+30.8890+129.8200/+30.8908+129.8400/+30.8893+129.8600/+30.8875+129.8800/+30.8901+129.9000/+30.8869+129.9200/+30.8880+129.9400/+30.8871+129.9600/+30.8836+129.9800/+30.8838+130.0000/+30.8800+130.0043/+30.8744+130.0200/+30.8719+130.0400/+30.8628+130.0600/+30.8600+130.0643/+30.8594+130.0800/+30.8595+130.1000/+30.8596+130.1200/+30.8600+130.1237/+30.8681+130.1200/+30.8673+130.1000/+30.8800+130.0911/+30.8990+130.1000/+30.9000+130.1011/+30.9053+130.1200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7902+130.2800/+30.8000+130.2680/+30.8100+130.2800/ 北西 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 +30.9065+129.7400/+30.9127+129.7600/+30.9152+129.7800/+30.9155+129.8000/+30.9124+129.8200/+30.9113+129.8400/+30.9087+129.8600/+30.9068+129.8800/+30.9043+129.9000/+30.9000+129.9055/+30.8934+129.9200/+30.8913+129.9400/+30.8890+129.9600/+30.8859+129.9800/+30.8800+129.9949/+30.8792+130.0000/+30.8674+130.0200/+30.8600+130.0352/+30.8595+130.0400/+30.8566+130.0600/+30.8555+130.0800/+30.8518+130.1000/+30.8401+130.1200/+30.8400+130.1202/+30.8397+130.1400/+30.8391+130.1600/+30.8390+130.1800/+30.8387+130.2000/+30.8400+130.2162/+30.8505+130.2200/+30.8600+130.2274/+30.8645+130.2400/+30.8600+130.2495/+30.8570+130.2600/+30.8448+130.2800/+30.8400+130.2845/+30.8278+130.3000/+30.8200+130.3075/+30.8150+130.3200/+30.8000+130.3350/+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/+30.7601+130.2000/+30.7602+130.1800/+30.7604+130.1600/+30.7612+130.1400/+30.7619+130.1200/+30.7644+130.1000/+30.7672+130.0800/+30.7724+130.0600/+30.7781+130.0400/+30.7800+130.0364/+30.7823+130.0200/+30.7859+130.0000/+30.7859+129.9800/+30.7909+129.9600/+30.8000+129.9407/+30.8003+129.9400/+30.8082+129.9200/+30.8150+129.9000/+30.8188+129.8800/+30.8200+129.8752/+30.8249+129.8600/+30.8346+129.8400/+30.8400+129.8300/+30.8459+129.8200/+30.8576+129.8000/+30.8600+129.7955/+30.8766+129.7800/+30.8800+129.7736/+30.8862+129.7600/+30.8946+129.7400/+30.9000+129.7295/+30.9065+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8114+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3102/+30.7698+130.3000/+30.7717+130.2800/+30.7800+130.2686/+30.8000+130.2658/+30.8114+130.2800/ 西 3 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 +30.8422+129.9400/+30.8440+129.9600/+30.8410+129.9800/+30.8400+129.9817/+30.8380+130.0000/+30.8377+130.0200/+30.8376+130.0400/+30.8376+130.0600/+30.8374+130.0800/+30.8371+130.1000/+30.8355+130.1200/+30.8351+130.1400/+30.8342+130.1600/+30.8336+130.1800/+30.8319+130.2000/+30.8300+130.2200/+30.8287+130.2400/+30.8325+130.2600/+30.8244+130.2800/+30.8200+130.2851/+30.8199+130.3000/+30.8142+130.3200/+30.8000+130.3342/+30.7800+130.3288/+30.7712+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2433/+30.7568+130.2400/+30.7448+130.2200/+30.7425+130.2000/+30.7418+130.1800/+30.7416+130.1600/+30.7411+130.1400/+30.7405+130.1200/+30.7400+130.1076/+30.7371+130.1000/+30.7336+130.0800/+30.7302+130.0600/+30.7289+130.0400/+30.7286+130.0200/+30.7302+130.0000/+30.7257+129.9800/+30.7260+129.9600/+30.7263+129.9400/+30.7267+129.9200/+30.7288+129.9000/+30.7293+129.8800/+30.7308+129.8600/+30.7327+129.8400/+30.7344+129.8200/+30.7366+129.8000/+30.7366+129.7800/+30.7400+129.7610/+30.7403+129.7600/+30.7471+129.7400/+30.7563+129.7200/+30.7600+129.7128/+30.7708+129.7000/+30.7800+129.6846/+30.7831+129.6800/+30.7987+129.6600/+30.8000+129.6585/+30.8006+129.6600/+30.8071+129.6800/+30.8121+129.7000/+30.8178+129.7200/+30.8200+129.7290/+30.8223+129.7400/+30.8254+129.7600/+30.8277+129.7800/+30.8272+129.8000/+30.8276+129.8200/+30.8280+129.8400/+30.8302+129.8600/+30.8320+129.8800/+30.8344+129.9000/+30.8377+129.9200/+30.8400+129.9339/+30.8422+129.9400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3077/+30.7723+130.3000/+30.7712+130.2800/+30.7800+130.2673/+30.8000+130.2630/+30.8138+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 +30.8879+129.7800/+30.8979+129.8000/+30.8927+129.8200/+30.8875+129.8400/+30.8865+129.8600/+30.8856+129.8800/+30.8818+129.9000/+30.8800+129.9047/+30.8773+129.9200/+30.8747+129.9400/+30.8720+129.9600/+30.8687+129.9800/+30.8646+130.0000/+30.8600+130.0046/+30.8505+130.0200/+30.8449+130.0400/+30.8400+130.0494/+30.8390+130.0600/+30.8381+130.0800/+30.8370+130.1000/+30.8359+130.1200/+30.8347+130.1400/+30.8334+130.1600/+30.8275+130.1800/+30.8200+130.1995/+30.8200+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8144+130.3200/+30.8000+130.3344/+30.7800+130.3287/+30.7713+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/+30.7603+130.1800/+30.7603+130.1600/+30.7602+130.1400/+30.7606+130.1200/+30.7612+130.1000/+30.7618+130.0800/+30.7635+130.0600/+30.7644+130.0400/+30.7679+130.0200/+30.7732+130.0000/+30.7704+129.9800/+30.7793+129.9600/+30.7800+129.9585/+30.7828+129.9400/+30.7871+129.9200/+30.7914+129.9000/+30.8000+129.8812/+30.8008+129.8800/+30.8085+129.8600/+30.8180+129.8400/+30.8200+129.8316/+30.8231+129.8200/+30.8294+129.8000/+30.8390+129.7800/+30.8400+129.7774/+30.8575+129.7600/+30.8600+129.7575/+30.8702+129.7600/+30.8800+129.7657/+30.8879+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7803+130.3000/+30.7822+130.2800/+30.8000+130.2660/+30.8116+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、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１８時から１７日１２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１８時から２１時まで　西　　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　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　　　　　　　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。