2026-09-16T11:00:00Z 通常 気象庁本庁 気象庁 2026-09-16T20:00:00+09:00 2026-09-16T21:00:00+09:00 2026-09-17T15:00:00+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 2026-09-16T21:00:00+09:00 2026-09-17T00:00:00+09:00 降灰 70 +30.9009+130.0600/+30.9000+130.0642/+30.8981+130.0800/+30.8960+130.1000/+30.8914+130.1200/+30.8865+130.1400/+30.8843+130.1600/+30.8800+130.1677/+30.8773+130.1800/+30.8718+130.2000/+30.8600+130.2177/+30.8594+130.2200/+30.8558+130.2400/+30.8400+130.2593/+30.8398+130.2600/+30.8364+130.2800/+30.8200+130.2981/+30.8200+130.3000/+30.8168+130.3200/+30.8000+130.3368/+30.7800+130.3338/+30.7662+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2045/+30.7566+130.2000/+30.7495+130.1800/+30.7472+130.1600/+30.7460+130.1400/+30.7461+130.1200/+30.7469+130.1000/+30.7465+130.0800/+30.7471+130.0600/+30.7480+130.0400/+30.7471+130.0200/+30.7489+130.0000/+30.7439+129.9800/+30.7459+129.9600/+30.7482+129.9400/+30.7509+129.9200/+30.7532+129.9000/+30.7543+129.8800/+30.7580+129.8600/+30.7600+129.8510/+30.7635+129.8400/+30.7768+129.8200/+30.7800+129.8156/+30.7925+129.8000/+30.8000+129.7883/+30.8055+129.8000/+30.8138+129.8200/+30.8187+129.8400/+30.8200+129.8510/+30.8210+129.8600/+30.8230+129.8800/+30.8261+129.9000/+30.8289+129.9200/+30.8321+129.9400/+30.8337+129.9600/+30.8345+129.9800/+30.8250+130.0000/+30.8273+130.0200/+30.8310+130.0400/+30.8400+130.0576/+30.8459+130.0400/+30.8600+130.0223/+30.8640+130.0200/+30.8800+130.0032/+30.8903+130.0200/+30.8992+130.0400/+30.9000+130.0495/+30.9009+130.0600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8099+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7819+130.2800/+30.8000+130.2677/+30.8099+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 +30.8913+130.1800/+30.8894+130.2000/+30.8855+130.2200/+30.8800+130.2285/+30.8760+130.2400/+30.8683+130.2600/+30.8600+130.2694/+30.8549+130.2800/+30.8400+130.2940/+30.8350+130.3000/+30.8200+130.3144/+30.8173+130.3200/+30.8000+130.3372/+30.7800+130.3341/+30.7659+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7602+130.2200/+30.7600+130.2001/+30.7599+130.2000/+30.7520+130.1800/+30.7494+130.1600/+30.7477+130.1400/+30.7476+130.1200/+30.7461+130.1000/+30.7459+130.0800/+30.7463+130.0600/+30.7454+130.0400/+30.7465+130.0200/+30.7473+130.0000/+30.7406+129.9800/+30.7411+129.9600/+30.7414+129.9400/+30.7413+129.9200/+30.7452+129.9000/+30.7471+129.8800/+30.7491+129.8600/+30.7515+129.8400/+30.7551+129.8200/+30.7594+129.8000/+30.7600+129.7987/+30.7734+129.7800/+30.7800+129.7660/+30.7832+129.7600/+30.7955+129.7400/+30.8000+129.7334/+30.8051+129.7400/+30.8167+129.7600/+30.8200+129.7678/+30.8244+129.7800/+30.8347+129.8000/+30.8329+129.8200/+30.8314+129.8400/+30.8393+129.8600/+30.8400+129.8621/+30.8466+129.8800/+30.8520+129.9000/+30.8542+129.9200/+30.8553+129.9400/+30.8573+129.9600/+30.8590+129.9800/+30.8600+129.9905/+30.8615+130.0000/+30.8600+130.0024/+30.8550+130.0200/+30.8582+130.0400/+30.8562+130.0600/+30.8578+130.0800/+30.8574+130.1000/+30.8576+130.1200/+30.8579+130.1400/+30.8600+130.1532/+30.8744+130.1600/+30.8800+130.1619/+30.8913+130.1800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8122+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7821+130.2800/+30.8000+130.2652/+30.8122+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 +30.9664+129.8000/+30.9677+129.8200/+30.9634+129.8400/+30.9600+129.8481/+30.9559+129.8600/+30.9520+129.8800/+30.9498+129.9000/+30.9482+129.9200/+30.9400+129.9364/+30.9384+129.9400/+30.9331+129.9600/+30.9278+129.9800/+30.9210+130.0000/+30.9200+130.0022/+30.9091+130.0200/+30.9000+130.0268/+30.8969+130.0400/+30.8941+130.0600/+30.8869+130.0800/+30.8800+130.0894/+30.8783+130.1000/+30.8758+130.1200/+30.8686+130.1400/+30.8600+130.1520/+30.8593+130.1600/+30.8587+130.1800/+30.8559+130.2000/+30.8476+130.2200/+30.8428+130.2400/+30.8536+130.2600/+30.8543+130.2800/+30.8400+130.2936/+30.8352+130.3000/+30.8200+130.3141/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3341/+30.7659+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7607+130.2400/+30.7617+130.2200/+30.7637+130.2000/+30.7679+130.1800/+30.7797+130.1600/+30.7800+130.1592/+30.7808+130.1400/+30.7827+130.1200/+30.7873+130.1000/+30.7969+130.0800/+30.8000+130.0745/+30.8039+130.0600/+30.8112+130.0400/+30.8200+130.0237/+30.8210+130.0200/+30.8279+130.0000/+30.8386+129.9800/+30.8400+129.9781/+30.8446+129.9600/+30.8507+129.9400/+30.8600+129.9201/+30.8601+129.9200/+30.8681+129.9000/+30.8749+129.8800/+30.8800+129.8711/+30.8859+129.8600/+30.8954+129.8400/+30.9000+129.8284/+30.9039+129.8200/+30.9200+129.8040/+30.9283+129.8000/+30.9400+129.7831/+30.9600+129.7839/+30.9664+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8052+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7935+130.2800/+30.8000+130.2736/+30.8052+130.2800/ 北西 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 +30.8612+129.8400/+30.8625+129.8600/+30.8634+129.8800/+30.8625+129.9000/+30.8613+129.9200/+30.8600+129.9396/+30.8600+129.9400/+30.8580+129.9600/+30.8550+129.9800/+30.8496+130.0000/+30.8400+130.0142/+30.8391+130.0200/+30.8379+130.0400/+30.8358+130.0600/+30.8342+130.0800/+30.8328+130.1000/+30.8293+130.1200/+30.8260+130.1400/+30.8200+130.1542/+30.8198+130.1600/+30.8196+130.1800/+30.8195+130.2000/+30.8196+130.2200/+30.8197+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8106+130.3200/+30.8000+130.3306/+30.7800+130.3232/+30.7768+130.3200/+30.7601+130.3000/+30.7600+130.2857/+30.7543+130.2800/+30.7408+130.2600/+30.7404+130.2400/+30.7400+130.2210/+30.7391+130.2200/+30.7238+130.2000/+30.7221+130.1800/+30.7210+130.1600/+30.7200+130.1455/+30.7164+130.1400/+30.7105+130.1200/+30.7088+130.1000/+30.7074+130.0800/+30.7084+130.0600/+30.7122+130.0400/+30.7134+130.0200/+30.7183+130.0000/+30.7200+129.9960/+30.7244+129.9800/+30.7313+129.9600/+30.7400+129.9411/+30.7406+129.9400/+30.7554+129.9200/+30.7600+129.9112/+30.7661+129.9000/+30.7786+129.8800/+30.7800+129.8780/+30.7941+129.8600/+30.8000+129.8537/+30.8143+129.8400/+30.8200+129.8316/+30.8278+129.8200/+30.8400+129.8014/+30.8552+129.8200/+30.8600+129.8347/+30.8612+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8097+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3164/+30.7636+130.3000/+30.7687+130.2800/+30.7800+130.2663/+30.8000+130.2685/+30.8097+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 +30.8224+129.9600/+30.8259+129.9800/+30.8270+130.0000/+30.8308+130.0200/+30.8329+130.0400/+30.8327+130.0600/+30.8319+130.0800/+30.8332+130.1000/+30.8336+130.1200/+30.8335+130.1400/+30.8320+130.1600/+30.8302+130.1800/+30.8279+130.2000/+30.8200+130.2192/+30.8200+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8156+130.3200/+30.8000+130.3356/+30.7800+130.3315/+30.7684+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2789/+30.7419+130.2600/+30.7406+130.2400/+30.7403+130.2200/+30.7400+130.2140/+30.7276+130.2000/+30.7224+130.1800/+30.7212+130.1600/+30.7200+130.1496/+30.7119+130.1400/+30.7045+130.1200/+30.7015+130.1000/+30.7000+130.0923/+30.6918+130.0800/+30.6841+130.0600/+30.6800+130.0404/+30.6797+130.0400/+30.6669+130.0200/+30.6636+130.0000/+30.6600+129.9855/+30.6567+129.9800/+30.6495+129.9600/+30.6463+129.9400/+30.6453+129.9200/+30.6458+129.9000/+30.6426+129.8800/+30.6400+129.8704/+30.6377+129.8600/+30.6332+129.8400/+30.6310+129.8200/+30.6343+129.8000/+30.6400+129.7823/+30.6470+129.7800/+30.6600+129.7766/+30.6627+129.7800/+30.6789+129.8000/+30.6800+129.8013/+30.6939+129.8200/+30.7000+129.8286/+30.7079+129.8400/+30.7200+129.8564/+30.7300+129.8600/+30.7400+129.8633/+30.7600+129.8693/+30.7689+129.8800/+30.7800+129.8855/+30.7931+129.9000/+30.8000+129.9119/+30.8042+129.9200/+30.8163+129.9400/+30.8200+129.9498/+30.8224+129.9600/ 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/+30.7800+130.3160/+30.7640+130.3000/+30.7690+130.2800/+30.7800+130.2664/+30.8000+130.2682/+30.8098+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 +30.8216+129.9600/+30.8258+129.9800/+30.8268+130.0000/+30.8257+130.0200/+30.8255+130.0400/+30.8303+130.0600/+30.8288+130.0800/+30.8269+130.1000/+30.8270+130.1200/+30.8251+130.1400/+30.8222+130.1600/+30.8200+130.1711/+30.8199+130.1800/+30.8197+130.2000/+30.8197+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3369/+30.7631+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2797/+30.7447+130.2600/+30.7412+130.2400/+30.7407+130.2200/+30.7400+130.2033/+30.7371+130.2000/+30.7259+130.1800/+30.7222+130.1600/+30.7201+130.1400/+30.7200+130.1390/+30.7100+130.1200/+30.7080+130.1000/+30.7072+130.0800/+30.7052+130.0600/+30.7033+130.0400/+30.7067+130.0200/+30.7091+130.0000/+30.7163+129.9800/+30.7200+129.9732/+30.7283+129.9600/+30.7400+129.9416/+30.7418+129.9400/+30.7600+129.9203/+30.7606+129.9200/+30.7769+129.9000/+30.7800+129.8972/+30.7868+129.9000/+30.7939+129.9200/+30.8000+129.9246/+30.8118+129.9400/+30.8200+129.9543/+30.8216+129.9600/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8023+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3150/+30.7650+130.3000/+30.7800+130.2813/+30.7923+130.2800/+30.8000+130.2772/+30.8023+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　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　　　　　　　４０ｋｍ　　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。