2026-09-08T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-08T17:00:00+09:00 2026-09-08T18:00:00+09:00 2026-09-09T12:00:00+09:00 503 発表 1 降灰予報 1.1_0 　現在、阿蘇山は噴火警戒レベル２（火口周辺規制）です。阿蘇山で噴火が発生した場合には、８日２１時から２４時までは火口から南西方向、９日０９時から１２時までは火口から南西方向に降灰が予想されます。 降灰予報（定時） 06 阿蘇山 503 降灰 70 熊本県八代市 4320200 熊本県宇城市 4321300 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県御船町 4344100 熊本県甲佐町 4344400 熊本県山都町 4344700 熊本県五木村 4351100 宮崎県椎葉村 4543000 小さな噴石の落下 75 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 降灰予報（定時） 06 阿蘇山 503 +3253.07+13106.23+1592/ 降灰 70 熊本県八代市 4320200 熊本県宇城市 4321300 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県御船町 4344100 熊本県甲佐町 4344400 熊本県山都町 4344700 熊本県五木村 4351100 宮崎県椎葉村 4543000 小さな噴石の落下 75 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-08T18:00:00+09:00 2026-09-08T21:00:00+09:00 降灰 70 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南西 60 熊本県八代市 4320200 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県御船町 4344100 熊本県甲佐町 4344400 熊本県山都町 4344700 熊本県五木村 4351100 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0988/+32.8600+131.0858/+32.8535+131.0800/+32.8600+131.0672/+32.8800+131.0603/+32.8988+131.0800/ 南 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-08T21:00:00+09:00 2026-09-09T00:00:00+09:00 降灰 70 +32.9166+131.0800/+32.9034+131.1000/+32.9000+131.1034/+32.8800+131.1195/+32.8600+131.1160/+32.8439+131.1000/+32.8400+131.0999/+32.8200+131.0994/+32.8000+131.0968/+32.7800+131.0859/+32.7731+131.0800/+32.7600+131.0776/+32.7400+131.0686/+32.7254+131.0600/+32.7200+131.0592/+32.7000+131.0583/+32.6800+131.0512/+32.6656+131.0400/+32.6600+131.0357/+32.6411+131.0200/+32.6400+131.0195/+32.6200+131.0163/+32.6056+131.0000/+32.6000+130.9951/+32.5851+130.9800/+32.5800+130.9714/+32.5655+130.9600/+32.5600+130.9549/+32.5400+130.9422/+32.5378+130.9400/+32.5257+130.9200/+32.5200+130.9110/+32.5000+130.9014/+32.4979+130.9000/+32.4800+130.8817/+32.4779+130.8800/+32.4704+130.8600/+32.4750+130.8400/+32.4800+130.8372/+32.5000+130.8303/+32.5200+130.8287/+32.5385+130.8400/+32.5400+130.8407/+32.5600+130.8464/+32.5800+130.8519/+32.5915+130.8600/+32.6000+130.8674/+32.6111+130.8800/+32.6200+130.8847/+32.6352+130.9000/+32.6400+130.9058/+32.6506+130.9200/+32.6600+130.9364/+32.6642+130.9400/+32.6800+130.9477/+32.6931+130.9600/+32.7000+130.9635/+32.7200+130.9717/+32.7310+130.9800/+32.7400+130.9820/+32.7600+130.9906/+32.7705+131.0000/+32.7800+131.0011/+32.8000+131.0071/+32.8132+131.0200/+32.8200+131.0205/+32.8400+131.0248/+32.8552+131.0400/+32.8600+131.0401/+32.8800+131.0405/+32.8995+131.0600/+32.9000+131.0634/+32.9166+131.0800/ 南西 50 熊本県八代市 4320200 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県南阿蘇村 4343300 熊本県山都町 4344700 熊本県五木村 4351100 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0988/+32.8600+131.0855/+32.8536+131.0800/+32.8600+131.0715/+32.8800+131.0612/+32.8988+131.0800/ 南 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-09T00:00:00+09:00 2026-09-09T03:00:00+09:00 降灰 70 +32.9171+131.0800/+32.9089+131.1000/+32.9000+131.1089/+32.8800+131.1198/+32.8600+131.1197/+32.8400+131.1180/+32.8200+131.1162/+32.8000+131.1135/+32.7800+131.1128/+32.7600+131.1092/+32.7400+131.1113/+32.7200+131.1099/+32.7000+131.1085/+32.6800+131.1079/+32.6631+131.1000/+32.6600+131.0994/+32.6400+131.0950/+32.6204+131.0800/+32.6200+131.0798/+32.6187+131.0800/+32.6000+131.0898/+32.5800+131.0877/+32.5650+131.0800/+32.5600+131.0766/+32.5447+131.0600/+32.5400+131.0411/+32.5396+131.0400/+32.5328+131.0200/+32.5284+131.0000/+32.5386+130.9800/+32.5400+130.9769/+32.5495+130.9600/+32.5600+130.9537/+32.5800+130.9428/+32.6000+130.9486/+32.6200+130.9585/+32.6212+130.9600/+32.6355+130.9800/+32.6400+130.9848/+32.6573+131.0000/+32.6600+131.0021/+32.6800+131.0084/+32.6983+131.0200/+32.7000+131.0203/+32.7200+131.0218/+32.7400+131.0219/+32.7600+131.0226/+32.7800+131.0260/+32.7979+131.0400/+32.8000+131.0401/+32.8200+131.0403/+32.8400+131.0403/+32.8600+131.0405/+32.8800+131.0465/+32.8935+131.0600/+32.9000+131.0629/+32.9171+131.0800/ 南 40 熊本県八代市 4320200 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県南阿蘇村 4343300 熊本県山都町 4344700 宮崎県椎葉村 4543000 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0988/+32.8600+131.0810/+32.8588+131.0800/+32.8600+131.0790/+32.8800+131.0612/+32.8988+131.0800/ 南 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-09T03:00:00+09:00 2026-09-09T06:00:00+09:00 降灰 70 +32.9166+131.0800/+32.9062+131.1000/+32.9000+131.1062/+32.8800+131.1197/+32.8600+131.1183/+32.8414+131.1000/+32.8400+131.0999/+32.8200+131.0998/+32.8000+131.0987/+32.7800+131.0949/+32.7609+131.0800/+32.7600+131.0798/+32.7400+131.0769/+32.7200+131.0708/+32.7023+131.0600/+32.7000+131.0595/+32.6800+131.0549/+32.6603+131.0400/+32.6600+131.0397/+32.6400+131.0317/+32.6200+131.0318/+32.6000+131.0263/+32.5902+131.0200/+32.5800+131.0097/+32.5625+131.0000/+32.5600+130.9982/+32.5473+130.9800/+32.5400+130.9668/+32.5365+130.9600/+32.5311+130.9400/+32.5273+130.9200/+32.5325+130.9000/+32.5400+130.8882/+32.5523+130.8800/+32.5600+130.8756/+32.5800+130.8786/+32.5815+130.8800/+32.6000+130.8884/+32.6182+130.9000/+32.6200+130.9009/+32.6400+130.9184/+32.6415+130.9200/+32.6580+130.9400/+32.6600+130.9417/+32.6793+130.9600/+32.6800+130.9603/+32.7000+130.9698/+32.7104+130.9800/+32.7200+130.9855/+32.7375+131.0000/+32.7400+131.0005/+32.7600+131.0023/+32.7800+131.0118/+32.7884+131.0200/+32.8000+131.0206/+32.8200+131.0238/+32.8365+131.0400/+32.8400+131.0401/+32.8600+131.0401/+32.8800+131.0416/+32.8984+131.0600/+32.9000+131.0633/+32.9166+131.0800/ 南 40 熊本県八代市 4320200 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県南阿蘇村 4343300 熊本県山都町 4344700 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0988/+32.8600+131.0854/+32.8536+131.0800/+32.8600+131.0733/+32.8800+131.0612/+32.8988+131.0800/ 南 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-09T06:00:00+09:00 2026-09-09T09:00:00+09:00 降灰 70 +32.9184+131.0800/+32.9113+131.1000/+32.9000+131.1119/+32.8800+131.1196/+32.8600+131.1081/+32.8522+131.1000/+32.8400+131.0998/+32.8200+131.0967/+32.8029+131.0800/+32.8000+131.0795/+32.7800+131.0755/+32.7627+131.0600/+32.7600+131.0590/+32.7400+131.0510/+32.7257+131.0400/+32.7200+131.0375/+32.7000+131.0273/+32.6863+131.0200/+32.6800+131.0179/+32.6600+131.0075/+32.6471+131.0000/+32.6400+130.9972/+32.6200+130.9905/+32.6059+130.9800/+32.6000+130.9746/+32.5872+130.9600/+32.5800+130.9463/+32.5736+130.9400/+32.5600+130.9275/+32.5507+130.9200/+32.5400+130.9050/+32.5371+130.9000/+32.5279+130.8800/+32.5286+130.8600/+32.5333+130.8400/+32.5400+130.8373/+32.5600+130.8333/+32.5693+130.8400/+32.5800+130.8430/+32.6000+130.8535/+32.6077+130.8600/+32.6200+130.8703/+32.6294+130.8800/+32.6400+130.8849/+32.6600+130.8930/+32.6673+130.9000/+32.6800+130.9078/+32.7000+130.9124/+32.7128+130.9200/+32.7200+130.9236/+32.7400+130.9327/+32.7479+130.9400/+32.7600+130.9466/+32.7758+130.9600/+32.7800+130.9617/+32.7995+130.9800/+32.8000+130.9802/+32.8191+131.0000/+32.8200+131.0006/+32.8392+131.0200/+32.8400+131.0203/+32.8600+131.0362/+32.8638+131.0400/+32.8800+131.0403/+32.8997+131.0600/+32.9000+131.0615/+32.9184+131.0800/ 南西 40 熊本県八代市 4320200 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県御船町 4344100 熊本県山都町 4344700 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0988/+32.8600+131.0843/+32.8549+131.0800/+32.8600+131.0733/+32.8800+131.0606/+32.8988+131.0800/ 南 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-09T09:00:00+09:00 2026-09-09T12:00:00+09:00 降灰 70 +32.9186+131.0800/+32.9100+131.1000/+32.9000+131.1106/+32.8800+131.1192/+32.8607+131.1000/+32.8600+131.1000/+32.8400+131.0987/+32.8212+131.0800/+32.8200+131.0791/+32.8007+131.0600/+32.8000+131.0592/+32.7804+131.0400/+32.7800+131.0394/+32.7606+131.0200/+32.7600+131.0182/+32.7425+131.0000/+32.7400+130.9955/+32.7256+130.9800/+32.7200+130.9669/+32.7136+130.9600/+32.7009+130.9400/+32.7000+130.9381/+32.6833+130.9200/+32.6800+130.9164/+32.6610+130.9000/+32.6600+130.8986/+32.6470+130.8800/+32.6400+130.8714/+32.6267+130.8600/+32.6200+130.8509/+32.6115+130.8400/+32.6000+130.8206/+32.5994+130.8200/+32.5827+130.8000/+32.5800+130.7848/+32.5782+130.7800/+32.5600+130.7681/+32.5519+130.7600/+32.5580+130.7400/+32.5600+130.7365/+32.5626+130.7400/+32.5800+130.7514/+32.6000+130.7560/+32.6058+130.7600/+32.6200+130.7691/+32.6400+130.7749/+32.6479+130.7800/+32.6600+130.7866/+32.6800+130.7994/+32.6806+130.8000/+32.6984+130.8200/+32.7000+130.8213/+32.7145+130.8400/+32.7200+130.8445/+32.7369+130.8600/+32.7400+130.8621/+32.7578+130.8800/+32.7600+130.8833/+32.7731+130.9000/+32.7800+130.9107/+32.7883+130.9200/+32.7981+130.9400/+32.8000+130.9430/+32.8158+130.9600/+32.8200+130.9715/+32.8280+130.9800/+32.8393+131.0000/+32.8400+131.0008/+32.8590+131.0200/+32.8600+131.0207/+32.8793+131.0400/+32.8800+131.0401/+32.8999+131.0600/+32.9000+131.0613/+32.9186+131.0800/ 南西 50 熊本県八代市 4320200 熊本県宇城市 4321300 熊本県阿蘇市 4321400 熊本県美里町 4334800 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県御船町 4344100 熊本県甲佐町 4344400 熊本県山都町 4344700 小さな噴石の落下 75 1 +32.8988+131.0800/+32.8800+131.0989/+32.8602+131.0800/+32.8800+131.0604/+32.8988+131.0800/ 南西 1 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 　現在、阿蘇山は噴火警戒レベル２（火口周辺規制）です。阿蘇山で噴火が発生した場合には、８日２１時から２４時までは火口から南西方向、９日０９時から１２時までは火口から南西方向に降灰が予想されます。 　８日１８時から９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 　０８日１８時から２１時まで　南西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日００時から０３時まで　南　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０３時から０６時まで　南　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０６時から０９時まで　南西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０９時から１２時まで　南西　　　　　　５０ｋｍ　　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。 　熊本県　：八代市、阿蘇市、美里町、高森町、西原村、南阿蘇村、御船町、甲佐町、山都町、五木村、 　　　　　宇城市 　宮崎県　：椎葉村 　 　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。