2026-11-04T02:00:00Z 通常 気象庁本庁 気象庁 2026-11-04T11:00:00+09:00 2026-11-04T12:00:00+09:00 2026-11-05T06:00:00+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、４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 2026-11-04T12:00:00+09:00 2026-11-04T15:00:00+09:00 降灰 70 +30.9071+129.7600/+30.9126+129.7800/+30.9148+129.8000/+30.9097+129.8200/+30.9064+129.8400/+30.9038+129.8600/+30.9020+129.8800/+30.9000+129.8903/+30.8981+129.9000/+30.8890+129.9200/+30.8875+129.9400/+30.8847+129.9600/+30.8800+129.9758/+30.8793+129.9800/+30.8776+130.0000/+30.8692+130.0200/+30.8653+130.0400/+30.8600+130.0484/+30.8586+130.0600/+30.8572+130.0800/+30.8557+130.1000/+30.8526+130.1200/+30.8450+130.1400/+30.8400+130.1469/+30.8396+130.1600/+30.8393+130.1800/+30.8392+130.2000/+30.8389+130.2200/+30.8378+130.2400/+30.8275+130.2600/+30.8200+130.2678/+30.8200+130.2800/+30.8199+130.3000/+30.8116+130.3200/+30.8000+130.3316/+30.7800+130.3230/+30.7770+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7607+130.2400/+30.7618+130.2200/+30.7636+130.2000/+30.7664+130.1800/+30.7690+130.1600/+30.7728+130.1400/+30.7800+130.1255/+30.7802+130.1200/+30.7804+130.1000/+30.7808+130.0800/+30.7823+130.0600/+30.7827+130.0400/+30.7838+130.0200/+30.7855+130.0000/+30.7852+129.9800/+30.7878+129.9600/+30.7922+129.9400/+30.8000+129.9219/+30.8010+129.9200/+30.8059+129.9000/+30.8138+129.8800/+30.8193+129.8600/+30.8200+129.8578/+30.8260+129.8400/+30.8343+129.8200/+30.8400+129.8101/+30.8481+129.8000/+30.8600+129.7868/+30.8732+129.7800/+30.8800+129.7738/+30.8913+129.7600/+30.9000+129.7484/+30.9071+129.7600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8117+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7883+130.2800/+30.8000+130.2656/+30.8117+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T15:00:00+09:00 2026-11-04T18:00:00+09:00 降灰 70 +30.8227+130.1200/+30.8250+130.1400/+30.8263+130.1600/+30.8275+130.1800/+30.8288+130.2000/+30.8258+130.2200/+30.8200+130.2312/+30.8200+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8168+130.3200/+30.8000+130.3368/+30.7800+130.3339/+30.7661+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/+30.7603+130.1800/+30.7600+130.1652/+30.7574+130.1600/+30.7496+130.1400/+30.7476+130.1200/+30.7461+130.1000/+30.7439+130.0800/+30.7431+130.0600/+30.7417+130.0400/+30.7414+130.0200/+30.7416+130.0000/+30.7400+129.9952/+30.7298+129.9800/+30.7301+129.9600/+30.7299+129.9400/+30.7284+129.9200/+30.7347+129.9000/+30.7400+129.8962/+30.7527+129.9000/+30.7600+129.9020/+30.7723+129.9200/+30.7800+129.9276/+30.7892+129.9400/+30.7980+129.9600/+30.8000+129.9659/+30.8061+129.9800/+30.8073+130.0000/+30.8129+130.0200/+30.8157+130.0400/+30.8177+130.0600/+30.8197+130.0800/+30.8199+130.1000/+30.8200+130.1039/+30.8227+130.1200/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8060+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3135/+30.7665+130.3000/+30.7800+130.2819/+30.7869+130.2800/+30.8000+130.2727/+30.8060+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T18:00:00+09:00 2026-11-04T21:00:00+09:00 降灰 70 +30.8260+129.8600/+30.8313+129.8800/+30.8351+129.9000/+30.8357+129.9200/+30.8371+129.9400/+30.8378+129.9600/+30.8379+129.9800/+30.8356+130.0000/+30.8347+130.0200/+30.8348+130.0400/+30.8337+130.0600/+30.8327+130.0800/+30.8318+130.1000/+30.8295+130.1200/+30.8282+130.1400/+30.8225+130.1600/+30.8200+130.1683/+30.8199+130.1800/+30.8198+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8138+130.3200/+30.8000+130.3338/+30.7800+130.3283/+30.7717+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/+30.7607+130.1400/+30.7609+130.1200/+30.7613+130.1000/+30.7615+130.0800/+30.7619+130.0600/+30.7625+130.0400/+30.7633+130.0200/+30.7632+130.0000/+30.7600+129.9870/+30.7547+129.9800/+30.7583+129.9600/+30.7600+129.9519/+30.7616+129.9400/+30.7650+129.9200/+30.7692+129.9000/+30.7746+129.8800/+30.7769+129.8600/+30.7800+129.8417/+30.7804+129.8400/+30.7868+129.8200/+30.8000+129.8011/+30.8115+129.8200/+30.8195+129.8400/+30.8200+129.8414/+30.8260+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8094+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3100/+30.7700+130.3000/+30.7800+130.2852/+30.7858+130.2800/+30.8000+130.2684/+30.8094+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T21:00:00+09:00 2026-11-05T00:00:00+09:00 降灰 70 +30.9557+129.7600/+30.9528+129.7800/+30.9514+129.8000/+30.9487+129.8200/+30.9473+129.8400/+30.9434+129.8600/+30.9400+129.8786/+30.9398+129.8800/+30.9370+129.9000/+30.9345+129.9200/+30.9284+129.9400/+30.9240+129.9600/+30.9206+129.9800/+30.9200+129.9830/+30.9181+130.0000/+30.9169+130.0200/+30.9114+130.0400/+30.9050+130.0600/+30.9000+130.0703/+30.8986+130.0800/+30.8960+130.1000/+30.8914+130.1200/+30.8800+130.1342/+30.8791+130.1400/+30.8773+130.1600/+30.8678+130.1800/+30.8600+130.1882/+30.8592+130.2000/+30.8581+130.2200/+30.8400+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2995/+30.8200+130.3000/+30.8118+130.3200/+30.8000+130.3318/+30.7800+130.3215/+30.7785+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7603+130.2600/+30.7607+130.2400/+30.7613+130.2200/+30.7622+130.2000/+30.7630+130.1800/+30.7652+130.1600/+30.7680+130.1400/+30.7700+130.1200/+30.7779+130.1000/+30.7800+130.0960/+30.7847+130.0800/+30.7913+130.0600/+30.7977+130.0400/+30.8000+130.0273/+30.8005+130.0200/+30.8068+130.0000/+30.8084+129.9800/+30.8160+129.9600/+30.8200+129.9504/+30.8238+129.9400/+30.8308+129.9200/+30.8400+129.9075/+30.8439+129.9000/+30.8528+129.8800/+30.8596+129.8600/+30.8600+129.8588/+30.8684+129.8400/+30.8773+129.8200/+30.8800+129.8153/+30.8894+129.8000/+30.8953+129.7800/+30.9000+129.7724/+30.9200+129.7640/+30.9243+129.7600/+30.9400+129.7421/+30.9557+129.7600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8109+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7806+130.3000/+30.7872+130.2800/+30.8000+130.2663/+30.8109+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-05T00:00:00+09:00 2026-11-05T03:00:00+09:00 降灰 70 +31.0884+129.9000/+31.0800+129.9089/+31.0743+129.9200/+31.0636+129.9400/+31.0600+129.9469/+31.0534+129.9600/+31.0400+129.9770/+31.0382+129.9800/+31.0232+130.0000/+31.0200+130.0040/+31.0105+130.0200/+31.0000+130.0351/+30.9977+130.0400/+30.9868+130.0600/+30.9800+130.0661/+30.9671+130.0800/+30.9600+130.0882/+30.9535+130.1000/+30.9403+130.1200/+30.9400+130.1203/+30.9287+130.1400/+30.9200+130.1511/+30.9163+130.1600/+30.9000+130.1790/+30.8996+130.1800/+30.8911+130.2000/+30.8800+130.2122/+30.8778+130.2200/+30.8644+130.2400/+30.8600+130.2444/+30.8572+130.2600/+30.8400+130.2775/+30.8399+130.2800/+30.8378+130.3000/+30.8200+130.3178/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3313/+30.7687+130.3200/+30.7602+130.3000/+30.7609+130.2800/+30.7800+130.2609/+30.7801+130.2600/+30.7804+130.2400/+30.7875+130.2200/+30.8000+130.2074/+30.8006+130.2000/+30.8038+130.1800/+30.8200+130.1627/+30.8208+130.1600/+30.8238+130.1400/+30.8400+130.1214/+30.8406+130.1200/+30.8458+130.1000/+30.8600+130.0831/+30.8615+130.0800/+30.8714+130.0600/+30.8800+130.0484/+30.8846+130.0400/+30.9000+130.0205/+30.9003+130.0200/+30.9058+130.0000/+30.9200+129.9827/+30.9233+129.9800/+30.9400+129.9616/+30.9417+129.9600/+30.9600+129.9442/+30.9658+129.9400/+30.9800+129.9245/+30.9856+129.9200/+31.0000+129.9047/+31.0076+129.9000/+31.0200+129.8909/+31.0318+129.8800/+31.0400+129.8736/+31.0600+129.8744/+31.0750+129.8800/+31.0800+129.8840/+31.0884+129.9000/ 北西 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/+30.7812+130.3000/+30.7918+130.2800/+30.8000+130.2691/+30.8104+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-05T03:00:00+09:00 2026-11-05T06:00:00+09:00 降灰 70 +31.0449+130.0200/+31.0499+130.0400/+31.0400+130.0511/+31.0340+130.0600/+31.0206+130.0800/+31.0200+130.0805/+31.0100+130.1000/+31.0000+130.1111/+30.9913+130.1200/+30.9800+130.1338/+30.9768+130.1400/+30.9600+130.1586/+30.9591+130.1600/+30.9461+130.1800/+30.9400+130.1862/+30.9276+130.2000/+30.9200+130.2092/+30.9146+130.2200/+30.9000+130.2339/+30.8959+130.2400/+30.8800+130.2565/+30.8778+130.2600/+30.8600+130.2771/+30.8587+130.2800/+30.8400+130.2984/+30.8397+130.3000/+30.8200+130.3197/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3381/+30.7619+130.3200/+30.7602+130.3000/+30.7624+130.2800/+30.7800+130.2624/+30.7804+130.2600/+30.8000+130.2401/+30.8001+130.2400/+30.8031+130.2200/+30.8200+130.2023/+30.8214+130.2000/+30.8343+130.1800/+30.8400+130.1738/+30.8490+130.1600/+30.8600+130.1474/+30.8658+130.1400/+30.8800+130.1241/+30.8850+130.1200/+30.9000+130.1055/+30.9059+130.1000/+30.9200+130.0869/+30.9315+130.0800/+30.9400+130.0723/+30.9556+130.0600/+30.9600+130.0551/+30.9800+130.0425/+30.9855+130.0400/+31.0000+130.0299/+31.0155+130.0200/+31.0200+130.0164/+31.0400+130.0137/+31.0449+130.0200/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8190+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2806/+30.8190+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、４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。 　４日１２時から５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 　０４日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　北西　　　　　　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。