2026-09-03T11:00:00Z 通常 気象庁本庁 気象庁 2026-09-03T20:00:00+09:00 2026-09-03T21:00:00+09:00 2026-09-04T15:00:00+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、３日２１時から２４時までは火口から西方向、４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 阿蘇山 503 降灰 70 福岡県大牟田市 4020200 福岡県久留米市 4020300 福岡県八女市 4021000 福岡県筑後市 4021100 福岡県小郡市 4021600 福岡県朝倉市 4022800 福岡県筑前町 4044700 福岡県大刀洗町 4050300 福岡県広川町 4054400 佐賀県鳥栖市 4120300 佐賀県基山町 4134100 熊本県熊本市 4310000 熊本県荒尾市 4320400 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県南関町 4336700 熊本県長洲町 4336800 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県嘉島町 4344200 熊本県益城町 4344300 大分県日田市 4420400 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 福岡県大牟田市 4020200 福岡県久留米市 4020300 福岡県八女市 4021000 福岡県筑後市 4021100 福岡県小郡市 4021600 福岡県朝倉市 4022800 福岡県筑前町 4044700 福岡県大刀洗町 4050300 福岡県広川町 4054400 佐賀県鳥栖市 4120300 佐賀県基山町 4134100 熊本県熊本市 4310000 熊本県荒尾市 4320400 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県南関町 4336700 熊本県長洲町 4336800 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県嘉島町 4344200 熊本県益城町 4344300 大分県日田市 4420400 小さな噴石の落下 75 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-03T21:00:00+09:00 2026-09-04T00:00:00+09:00 降灰 70 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西 60 福岡県大牟田市 4020200 熊本県熊本市 4310000 熊本県荒尾市 4320400 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県南関町 4336700 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 小さな噴石の落下 75 1 +32.9017+131.0400/+32.9158+131.0600/+32.9171+131.0800/+32.9000+131.0971/+32.8800+131.0988/+32.8612+131.0800/+32.8636+131.0600/+32.8800+131.0406/+32.8925+131.0400/+32.9000+131.0369/+32.9017+131.0400/ 西 5 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-04T00:00:00+09:00 2026-09-04T03:00:00+09:00 降灰 70 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西 80 福岡県久留米市 4020300 福岡県八女市 4021000 福岡県筑後市 4021100 福岡県小郡市 4021600 福岡県朝倉市 4022800 福岡県筑前町 4044700 福岡県大刀洗町 4050300 福岡県広川町 4054400 佐賀県鳥栖市 4120300 佐賀県基山町 4134100 熊本県熊本市 4310000 熊本県荒尾市 4320400 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県南関町 4336700 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 小さな噴石の落下 75 1 +32.9059+131.0400/+32.9162+131.0600/+32.9183+131.0800/+32.9000+131.0983/+32.8800+131.0988/+32.8612+131.0800/+32.8644+131.0600/+32.8800+131.0418/+32.8923+131.0400/+32.9000+131.0337/+32.9059+131.0400/ 西 5 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-04T03:00:00+09:00 2026-09-04T06:00:00+09:00 降灰 70 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西 50 熊本県熊本市 4310000 熊本県荒尾市 4320400 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県南関町 4336700 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 小さな噴石の落下 75 1 +32.9147+131.0600/+32.9174+131.0800/+32.9000+131.0974/+32.8800+131.0988/+32.8612+131.0800/+32.8659+131.0600/+32.8800+131.0431/+32.9000+131.0415/+32.9147+131.0600/ 北西 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-04T06:00:00+09:00 2026-09-04T09:00:00+09:00 降灰 70 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西 60 熊本県熊本市 4310000 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県長洲町 4336800 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 小さな噴石の落下 75 1 +32.9114+131.0600/+32.9159+131.0800/+32.9000+131.0959/+32.8800+131.0988/+32.8612+131.0800/+32.8675+131.0600/+32.8800+131.0437/+32.9000+131.0451/+32.9114+131.0600/ 北西 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-04T09:00:00+09:00 2026-09-04T12:00:00+09:00 降灰 70 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西 60 福岡県八女市 4021000 熊本県熊本市 4310000 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県益城町 4344300 大分県日田市 4420400 小さな噴石の落下 75 1 +32.9120+131.0600/+32.9157+131.0800/+32.9000+131.0957/+32.8800+131.0988/+32.8612+131.0800/+32.8668+131.0600/+32.8800+131.0428/+32.9000+131.0441/+32.9120+131.0600/ 北西 3 熊本県阿蘇市 4321400 熊本県南阿蘇村 4343300 2026-09-04T12:00:00+09:00 2026-09-04T15:00:00+09:00 降灰 70 +33.2406+130.6800/+33.2423+130.7000/+33.2400+130.7023/+33.2212+130.7200/+33.2200+130.7210/+33.2000+130.7386/+33.1987+130.7400/+33.1800+130.7587/+33.1787+130.7600/+33.1600+130.7774/+33.1578+130.7800/+33.1400+130.7962/+33.1346+130.8000/+33.1200+130.8096/+33.1076+130.8200/+33.1000+130.8285/+33.0911+130.8400/+33.0800+130.8530/+33.0745+130.8600/+33.0600+130.8710/+33.0522+130.8800/+33.0400+130.8925/+33.0304+130.9000/+33.0200+130.9080/+33.0108+130.9200/+33.0000+130.9339/+32.9959+130.9400/+32.9874+130.9600/+32.9800+130.9690/+32.9755+130.9800/+32.9600+130.9983/+32.9588+131.0000/+32.9513+131.0200/+32.9400+131.0321/+32.9361+131.0400/+32.9200+131.0595/+32.9200+131.0600/+32.9196+131.0800/+32.9053+131.1000/+32.9000+131.1053/+32.8800+131.1154/+32.8646+131.1000/+32.8600+131.0911/+32.8489+131.0800/+32.8403+131.0600/+32.8401+131.0400/+32.8400+131.0328/+32.8273+131.0200/+32.8210+131.0000/+32.8205+130.9800/+32.8200+130.9600/+32.8200+130.9597/+32.8041+130.9400/+32.8027+130.9200/+32.8023+130.9000/+32.8003+130.8800/+32.8000+130.8774/+32.7881+130.8600/+32.7842+130.8400/+32.7804+130.8200/+32.7800+130.8183/+32.7662+130.8000/+32.7615+130.7800/+32.7600+130.7700/+32.7541+130.7600/+32.7451+130.7400/+32.7401+130.7200/+32.7400+130.7194/+32.7348+130.7000/+32.7325+130.6800/+32.7299+130.6600/+32.7261+130.6400/+32.7260+130.6200/+32.7258+130.6000/+32.7252+130.5800/+32.7246+130.5600/+32.7259+130.5400/+32.7304+130.5200/+32.7382+130.5000/+32.7400+130.4941/+32.7600+130.4852/+32.7726+130.5000/+32.7800+130.5052/+32.8000+130.5195/+32.8003+130.5200/+32.8117+130.5400/+32.8200+130.5526/+32.8246+130.5600/+32.8377+130.5800/+32.8400+130.5833/+32.8466+130.6000/+32.8564+130.6200/+32.8600+130.6314/+32.8622+130.6400/+32.8664+130.6600/+32.8698+130.6800/+32.8722+130.7000/+32.8756+130.7200/+32.8796+130.7400/+32.8800+130.7419/+32.8890+130.7600/+32.8866+130.7800/+32.8862+130.8000/+32.8881+130.8200/+32.8936+130.8400/+32.8957+130.8600/+32.8955+130.8800/+32.8974+130.9000/+32.8987+130.9200/+32.8992+130.9400/+32.9000+130.9493/+32.9110+130.9400/+32.9200+130.9272/+32.9257+130.9200/+32.9304+130.9000/+32.9346+130.8800/+32.9400+130.8732/+32.9565+130.8600/+32.9600+130.8495/+32.9615+130.8400/+32.9600+130.8207/+32.9599+130.8200/+32.9600+130.8199/+32.9800+130.8144/+33.0000+130.8033/+33.0028+130.8000/+33.0074+130.7800/+33.0200+130.7661/+33.0265+130.7600/+33.0400+130.7415/+33.0409+130.7400/+33.0535+130.7200/+33.0600+130.7085/+33.0655+130.7000/+33.0800+130.6870/+33.0863+130.6800/+33.0999+130.6600/+33.1000+130.6599/+33.1190+130.6400/+33.1200+130.6336/+33.1216+130.6200/+33.1370+130.6000/+33.1400+130.5939/+33.1600+130.5809/+33.1800+130.5877/+33.2000+130.5951/+33.2030+130.6000/+33.2182+130.6200/+33.2200+130.6226/+33.2315+130.6400/+33.2387+130.6600/+33.2400+130.6737/+33.2406+130.6800/ 西 60 福岡県八女市 4021000 熊本県熊本市 4310000 熊本県玉名市 4320600 熊本県山鹿市 4320800 熊本県菊池市 4321000 熊本県阿蘇市 4321400 熊本県合志市 4321600 熊本県玉東町 4336400 熊本県和水町 4336900 熊本県大津町 4340300 熊本県菊陽町 4340400 熊本県高森町 4342800 熊本県西原村 4343200 熊本県南阿蘇村 4343300 熊本県嘉島町 4344200 熊本県益城町 4344300 小さな噴石の落下 75 1 +32.9121+131.0600/+32.9157+131.0800/+32.9000+131.0957/+32.8800+131.0988/+32.8612+131.0800/+32.8633+131.0600/+32.8781+131.0400/+32.8800+131.0383/+32.8823+131.0400/+32.9000+131.0440/+32.9121+131.0600/ 西 4 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、３日２１時から２４時までは火口から西方向、４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。 　３日２１時から４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 　０３日２１時から２４時まで　西　　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　０４日００時から０３時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０４日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　 　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。 　福岡県　：大牟田市、久留米市、八女市、筑後市、小郡市、朝倉市、筑前町、大刀洗町、広川町 　熊本県　：熊本市、荒尾市、玉名市、山鹿市、菊池市、阿蘇市、合志市、玉東町、南関町、和水町、 　　　　　大津町、菊陽町、高森町、西原村、南阿蘇村、長洲町、益城町、嘉島町 　佐賀県　：鳥栖市、基山町 　大分県　：日田市 　 　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。