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<Title>降灰予報（定時）</Title>
<DateTime>2026-08-22T20:00:00Z</DateTime>
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<Title>火山名　阿蘇山　降灰予報（定時）</Title>
<ReportDateTime>2026-08-23T05:00:00+09:00</ReportDateTime>
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<Text>　現在、阿蘇山は噴火警戒レベル３（入山規制）です。阿蘇山で噴火が発生した場合には、２３日０９時から１２時までは火口から北西方向、２３日２１時から２４時までは火口から北西方向に降灰が予想されます。</Text>
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<Name>熊本県山鹿市</Name>
<Code>4320800</Code>
</Area>
<Area>
<Name>熊本県菊池市</Name>
<Code>4321000</Code>
</Area>
<Area>
<Name>熊本県阿蘇市</Name>
<Code>4321400</Code>
</Area>
<Area>
<Name>熊本県南関町</Name>
<Code>4336700</Code>
</Area>
<Area>
<Name>熊本県和水町</Name>
<Code>4336900</Code>
</Area>
<Area>
<Name>熊本県大津町</Name>
<Code>4340300</Code>
</Area>
<Area>
<Name>熊本県高森町</Name>
<Code>4342800</Code>
</Area>
<Area>
<Name>熊本県南阿蘇村</Name>
<Code>4343300</Code>
</Area>
<Area>
<Name>大分県日田市</Name>
<Code>4420400</Code>
</Area>
</Areas>
</Item>
<Item>
<Kind>
<Name>小さな噴石の落下</Name>
<Code>75</Code>
<Property>
<Size type="小さな噴石の大きさ" unit="cm">1</Size>
<jmx_eb:Polygon type="位置（度）">+32.9038+131.0400/+32.9170+131.0600/+32.9187+131.0800/+32.9000+131.0987/+32.8800+131.0988/+32.8612+131.0800/+32.8635+131.0600/+32.8800+131.0432/+32.8974+131.0400/+32.9000+131.0366/+32.9038+131.0400/</jmx_eb:Polygon>
<jmx_eb:PlumeDirection type="小さな噴石の落下方向" unit="漢字" description="西">西</jmx_eb:PlumeDirection>
<Distance type="小さな噴石の到達距離" unit="km">5</Distance>
</Property>
</Kind>
<Areas codeType="気象・地震・火山情報／市町村等">
<Area>
<Name>熊本県阿蘇市</Name>
<Code>4321400</Code>
</Area>
<Area>
<Name>熊本県南阿蘇村</Name>
<Code>4343300</Code>
</Area>
</Areas>
</Item>
</AshInfo>
</AshInfos>
<VolcanoInfoContent>
<VolcanoHeadline>　現在、阿蘇山は噴火警戒レベル３（入山規制）です。阿蘇山で噴火が発生した場合には、２３日０９時から１２時までは火口から北西方向、２３日２１時から２４時までは火口から北西方向に降灰が予想されます。</VolcanoHeadline>
<VolcanoActivity>　２３日６時から２３日２４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
　２３日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　
　２３日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　
　２３日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　
　２３日１５時から１８時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　
　２３日１８時から２１時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　
　２３日２１時から２４時まで　北西　　　　　　７０ｋｍ　　５ｋｍ　　　　　

　
　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、南阿蘇村、菊池市、高森町、大津町、山鹿市、南小国町、小国町、熊本市、和水町、
　　　　　合志市、玉東町、菊陽町、西原村、御船町、益城町、山都町、南関町
　大分県　：日田市
　福岡県　：久留米市、八女市、うきは市、筑後市、みやま市、広川町
　</VolcanoActivity>
<VolcanoPrevention>　噴煙が火口縁上３０００ｍ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。
　</VolcanoPrevention>
</VolcanoInfoContent>
</Body>
</Report>
