2026-07-04T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T17:00:00+09:00 2026-07-04T18:00:00+09:00 2026-07-05T12:00:00+09:00 506 発表 1 降灰予報 1.1_0 　現在、桜島は噴火警戒レベル３（入山規制）です。桜島で噴火が発生した場合には、４日２１時から２４時までは火口から東方向、５日０９時から１２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 桜島 506 降灰 70 宮崎県宮崎市 4520100 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 降灰予報（定時） 06 桜島 506 +3135.55+13039.40+1117/ 降灰 70 宮崎県宮崎市 4520100 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 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東 170 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 1 +31.5988+130.6600/+31.5988+130.6800/+31.5975+130.7000/+31.5960+130.7200/+31.5901+130.7400/+31.5800+130.7571/+31.5600+130.7415/+31.5592+130.7400/+31.5520+130.7200/+31.5469+130.7000/+31.5600+130.6869/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/ 東 8 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 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東 160 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 1 +31.5988+130.6600/+31.5988+130.6800/+31.5968+130.7000/+31.5928+130.7200/+31.5844+130.7400/+31.5800+130.7487/+31.5614+130.7400/+31.5600+130.7395/+31.5518+130.7200/+31.5449+130.7000/+31.5600+130.6848/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/ 東 8 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 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東 150 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 1 +31.5988+130.6600/+31.5988+130.6800/+31.5967+130.7000/+31.5901+130.7200/+31.5821+130.7400/+31.5800+130.7452/+31.5752+130.7400/+31.5600+130.7308/+31.5541+130.7200/+31.5600+130.7141/+31.5633+130.7000/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/ 東 8 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 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東 130 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 鹿児島県大崎町 4646800 小さな噴石の落下 75 1 +31.5988+130.6600/+31.5988+130.6800/+31.5951+130.7000/+31.5870+130.7200/+31.5800+130.7338/+31.5730+130.7200/+31.5649+130.7000/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/ 東 6 鹿児島県鹿児島市 4620100 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 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東 110 宮崎県宮崎市 4520100 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 小さな噴石の落下 75 1 +31.6116+130.7000/+31.6085+130.7200/+31.6000+130.7355/+31.5800+130.7344/+31.5733+130.7200/+31.5633+130.7000/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/+31.5988+130.6800/+31.6000+130.6884/+31.6116+130.7000/ 東 6 鹿児島県鹿児島市 4620100 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 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東 110 宮崎県宮崎市 4520100 宮崎県都城市 4520200 宮崎県日南市 4520400 宮崎県串間市 4520700 宮崎県三股町 4534100 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県曽於市 4621700 鹿児島県霧島市 4621800 鹿児島県志布志市 4622100 小さな噴石の落下 75 1 +31.6103+130.6800/+31.6121+130.7000/+31.6080+130.7200/+31.6010+130.7400/+31.6000+130.7422/+31.5800+130.7424/+31.5791+130.7400/+31.5687+130.7200/+31.5633+130.7000/+31.5612+130.6800/+31.5612+130.6600/+31.5800+130.6412/+31.5988+130.6600/+31.6000+130.6697/+31.6103+130.6800/ 東 8 鹿児島県鹿児島市 4620100 　現在、桜島は噴火警戒レベル３（入山規制）です。桜島で噴火が発生した場合には、４日２１時から２４時までは火口から東方向、５日０９時から１２時までは火口から東方向に降灰が予想されます。 　４日１８時から５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 　０４日１８時から２１時まで　東（鹿屋市輝北方向）　１７０ｋｍ　８ｋｍ　　　　　 　０４日２１時から２４時まで　東（鹿屋市輝北方向）　１６０ｋｍ　８ｋｍ　　　　　 　０５日００時から０３時まで　東（鹿屋市輝北方向）　１５０ｋｍ　８ｋｍ　　　　　 　０５日０３時から０６時まで　東（鹿屋市輝北方向）　１３０ｋｍ　６ｋｍ　　　　　 　０５日０６時から０９時まで　東（鹿屋市輝北方向）　１１０ｋｍ　６ｋｍ　　　　　 　０５日０９時から１２時まで　東（鹿屋市輝北方向）　１１０ｋｍ　８ｋｍ　　　　　 　 　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：鹿児島市、垂水市、鹿屋市、曽於市、霧島市、志布志市、大崎町 　宮崎県　：都城市、日南市、串間市、三股町、宮崎市 　 　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。