2026-07-01T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-01T11:00:00+09:00 2026-07-01T12:00:00+09:00 2026-07-02T06:00:00+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、１日２１時から２４時までは火口から東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 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県別府市 4420200 大分県佐伯市 4420500 大分県臼杵市 4420600 大分県津久見市 4420700 大分県竹田市 4420800 大分県豊後大野市 4421200 大分県由布市 4421300 大分県日出町 4434100 小さな噴石の落下 75 熊本県阿蘇市 4321400 熊本県高森町 4342800 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 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県別府市 4420200 大分県佐伯市 4420500 大分県臼杵市 4420600 大分県津久見市 4420700 大分県竹田市 4420800 大分県豊後大野市 4421200 大分県由布市 4421300 大分県日出町 4434100 小さな噴石の落下 75 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-01T12:00:00+09:00 2026-07-01T15:00:00+09:00 降灰 70 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北東 70 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県別府市 4420200 大分県竹田市 4420800 大分県豊後大野市 4421200 大分県由布市 4421300 大分県日出町 4434100 小さな噴石の落下 75 1 +32.9239+131.1200/+32.9200+131.1337/+32.9000+131.1382/+32.8872+131.1200/+32.8800+131.1188/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0812/+32.9188+131.1000/+32.9200+131.1161/+32.9239+131.1200/ 北東 5 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-01T15:00:00+09:00 2026-07-01T18:00:00+09:00 降灰 70 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北東 70 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県別府市 4420200 大分県竹田市 4420800 大分県豊後大野市 4421200 大分県由布市 4421300 大分県日出町 4434100 小さな噴石の落下 75 1 +32.9216+131.1200/+32.9200+131.1321/+32.9150+131.1400/+32.9000+131.1429/+32.8971+131.1400/+32.8855+131.1200/+32.8800+131.1188/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0813/+32.9187+131.1000/+32.9200+131.1184/+32.9216+131.1200/ 北東 5 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-01T18:00:00+09:00 2026-07-01T21:00:00+09:00 降灰 70 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北東 80 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県竹田市 4420800 大分県豊後大野市 4421200 大分県由布市 4421300 小さな噴石の落下 75 1 +32.9184+131.1000/+32.9181+131.1200/+32.9176+131.1400/+32.9000+131.1486/+32.8958+131.1400/+32.8847+131.1200/+32.8800+131.1188/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0816/+32.9184+131.1000/ 東 5 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-01T21:00:00+09:00 2026-07-02T00:00:00+09:00 降灰 70 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東 60 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県臼杵市 4420600 大分県竹田市 4420800 大分県豊後大野市 4421200 小さな噴石の落下 75 1 +32.9177+131.1000/+32.9158+131.1200/+32.9108+131.1400/+32.9000+131.1511/+32.8800+131.1410/+32.8791+131.1400/+32.8653+131.1200/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0823/+32.9177+131.1000/ 東 5 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-02T00:00:00+09:00 2026-07-02T03:00:00+09:00 降灰 70 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東 80 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県佐伯市 4420500 大分県臼杵市 4420600 大分県竹田市 4420800 大分県豊後大野市 4421200 小さな噴石の落下 75 1 +32.9097+131.1000/+32.9083+131.1200/+32.9000+131.1362/+32.8800+131.1384/+32.8680+131.1200/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0903/+32.9097+131.1000/ 東 4 熊本県阿蘇市 4321400 熊本県高森町 4342800 熊本県南阿蘇村 4343300 2026-07-02T03:00:00+09:00 2026-07-02T06:00:00+09:00 降灰 70 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東 90 熊本県阿蘇市 4321400 熊本県産山村 4342500 熊本県高森町 4342800 熊本県南阿蘇村 4343300 大分県大分市 4420100 大分県佐伯市 4420500 大分県臼杵市 4420600 大分県津久見市 4420700 大分県竹田市 4420800 大分県豊後大野市 4421200 小さな噴石の落下 75 1 +32.9153+131.1000/+32.9121+131.1200/+32.9000+131.1359/+32.8800+131.1306/+32.8699+131.1200/+32.8612+131.1000/+32.8612+131.0800/+32.8800+131.0612/+32.8988+131.0800/+32.9000+131.0847/+32.9153+131.1000/ 東 4 熊本県阿蘇市 4321400 熊本県高森町 4342800 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、１日２１時から２４時までは火口から東方向に降灰が予想されます。 　１日１２時から２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 　０１日１２時から１５時まで　北東　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　０１日１５時から１８時まで　北東　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　０１日１８時から２１時まで　北東　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０１日２１時から２４時まで　東　　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　０２日００時から０３時まで　東　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０２日０３時から０６時まで　東　　　　　　　９０ｋｍ　　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。 　熊本県　：阿蘇市、産山村、高森町、南阿蘇村 　大分県　：大分市、別府市、竹田市、豊後大野市、由布市、日出町、臼杵市、佐伯市、津久見市 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。