2026-10-27T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-28T05:00:00+09:00 2026-10-28T06:00:00+09:00 2026-10-29T00:00:00+09:00 105 発表 1 降灰予報 1.1_0 　現在、雌阿寒岳は噴火警戒レベル２（火口周辺規制）です。雌阿寒岳で噴火が発生した場合には、２８日０９時から１２時までは火口から東方向、２８日２１時から２４時までは火口から南東方向に降灰が予想されます。 降灰予報（定時） 06 雌阿寒岳 105 降灰 70 北海道釧路市 0120600 北海道足寄町 0164700 北海道釧路町 0166100 北海道厚岸町 0166200 北海道標茶町 0166400 北海道弟子屈町 0166500 北海道鶴居村 0166700 北海道白糠町 0166800 北海道別海町 0169100 小さな噴石の落下 75 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 降灰予報（定時） 06 雌阿寒岳 105 +4323.18+14400.52+1499/ 降灰 70 北海道釧路市 0120600 北海道足寄町 0164700 北海道釧路町 0166100 北海道厚岸町 0166200 北海道標茶町 0166400 北海道弟子屈町 0166500 北海道鶴居村 0166700 北海道白糠町 0166800 北海道別海町 0169100 小さな噴石の落下 75 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T06:00:00+09:00 2026-10-28T09:00:00+09:00 降灰 70 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東 90 北海道釧路市 0120600 北海道足寄町 0164700 北海道厚岸町 0166200 北海道標茶町 0166400 北海道弟子屈町 0166500 北海道鶴居村 0166700 北海道白糠町 0166800 北海道別海町 0169100 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3982+144.0400/+43.3942+144.0600/+43.3879+144.0800/+43.3800+144.0964/+43.3721+144.0800/+43.3658+144.0600/+43.3618+144.0400/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 東 6 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T09:00:00+09:00 2026-10-28T12:00:00+09:00 降灰 70 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東 70 北海道釧路市 0120600 北海道足寄町 0164700 北海道厚岸町 0166200 北海道標茶町 0166400 北海道鶴居村 0166700 北海道白糠町 0166800 北海道別海町 0169100 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3981+144.0400/+43.3946+144.0600/+43.3876+144.0800/+43.3800+144.0978/+43.3600+144.0910/+43.3553+144.0800/+43.3488+144.0600/+43.3600+144.0488/+43.3619+144.0400/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 東 6 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T12:00:00+09:00 2026-10-28T15:00:00+09:00 降灰 70 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南東 80 北海道釧路市 0120600 北海道足寄町 0164700 北海道厚岸町 0166200 北海道標茶町 0166400 北海道鶴居村 0166700 北海道白糠町 0166800 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3977+144.0400/+43.3930+144.0600/+43.3800+144.0778/+43.3679+144.0800/+43.3600+144.0866/+43.3574+144.0800/+43.3473+144.0600/+43.3448+144.0400/+43.3600+144.0248/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 南東 6 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T15:00:00+09:00 2026-10-28T18:00:00+09:00 降灰 70 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南東 90 北海道釧路市 0120600 北海道足寄町 0164700 北海道釧路町 0166100 北海道厚岸町 0166200 北海道標茶町 0166400 北海道鶴居村 0166700 北海道白糠町 0166800 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3970+144.0400/+43.3818+144.0600/+43.3800+144.0618/+43.3600+144.0798/+43.3502+144.0600/+43.3456+144.0400/+43.3600+144.0256/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 南東 5 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T18:00:00+09:00 2026-10-28T21:00:00+09:00 降灰 70 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南東 80 北海道釧路市 0120600 北海道足寄町 0164700 北海道釧路町 0166100 北海道厚岸町 0166200 北海道標茶町 0166400 北海道鶴居村 0166700 北海道白糠町 0166800 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3964+144.0400/+43.3800+144.0564/+43.3685+144.0600/+43.3600+144.0771/+43.3515+144.0600/+43.3468+144.0400/+43.3600+144.0268/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 南東 5 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 2026-10-28T21:00:00+09:00 2026-10-29T00:00:00+09:00 降灰 70 +43.4153+144.0200/+43.4000+144.0355/+43.3999+144.0400/+43.3998+144.0600/+43.3952+144.0800/+43.3800+144.0952/+43.3798+144.1000/+43.3783+144.1200/+43.3600+144.1384/+43.3598+144.1400/+43.3588+144.1600/+43.3436+144.1800/+43.3400+144.1836/+43.3392+144.2000/+43.3356+144.2200/+43.3200+144.2381/+43.3197+144.2400/+43.3180+144.2600/+43.3099+144.2800/+43.3000+144.2940/+43.2992+144.3000/+43.2969+144.3200/+43.2913+144.3400/+43.2933+144.3600/+43.2887+144.3800/+43.2800+144.3998/+43.2799+144.4000/+43.2695+144.4200/+43.2600+144.4309/+43.2576+144.4400/+43.2539+144.4600/+43.2518+144.4800/+43.2400+144.4972/+43.2392+144.5000/+43.2324+144.5200/+43.2272+144.5400/+43.2200+144.5562/+43.2176+144.5600/+43.2099+144.5800/+43.2000+144.5937/+43.1959+144.6000/+43.1891+144.6200/+43.1809+144.6400/+43.1800+144.6423/+43.1721+144.6600/+43.1607+144.6800/+43.1600+144.6809/+43.1433+144.7000/+43.1400+144.7056/+43.1321+144.7200/+43.1203+144.7400/+43.1200+144.7406/+43.1081+144.7600/+43.1000+144.7710/+43.0859+144.7800/+43.0800+144.7863/+43.0723+144.8000/+43.0602+144.8200/+43.0600+144.8204/+43.0400+144.8368/+43.0324+144.8400/+43.0200+144.8545/+43.0184+144.8600/+43.0091+144.8800/+43.0040+144.9000/+43.0000+144.9061/+42.9934+144.9000/+42.9927+144.8800/+42.9925+144.8600/+42.9958+144.8400/+43.0000+144.8288/+43.0156+144.8200/+43.0196+144.8000/+43.0200+144.7994/+43.0293+144.7800/+43.0344+144.7600/+43.0400+144.7411/+43.0405+144.7400/+43.0511+144.7200/+43.0577+144.7000/+43.0600+144.6948/+43.0648+144.6800/+43.0694+144.6600/+43.0737+144.6400/+43.0792+144.6200/+43.0800+144.6172/+43.0855+144.6000/+43.0997+144.5800/+43.1000+144.5797/+43.1076+144.5600/+43.1122+144.5400/+43.1165+144.5200/+43.1200+144.5162/+43.1302+144.5000/+43.1356+144.4800/+43.1400+144.4669/+43.1434+144.4600/+43.1600+144.4424/+43.1607+144.4400/+43.1638+144.4200/+43.1707+144.4000/+43.1800+144.3825/+43.1813+144.3800/+43.1933+144.3600/+43.2000+144.3532/+43.2020+144.3400/+43.2045+144.3200/+43.2200+144.3045/+43.2229+144.3000/+43.2323+144.2800/+43.2400+144.2712/+43.2412+144.2600/+43.2457+144.2400/+43.2600+144.2240/+43.2605+144.2200/+43.2620+144.2000/+43.2772+144.1800/+43.2800+144.1772/+43.2810+144.1600/+43.2948+144.1400/+43.3000+144.1347/+43.3005+144.1200/+43.3078+144.1000/+43.3200+144.0878/+43.3202+144.0800/+43.3218+144.0600/+43.3400+144.0417/+43.3401+144.0400/+43.3409+144.0200/+43.3600+144.0009/+43.3668+144.0000/+43.3800+143.9868/+43.3953+144.0000/+43.4000+144.0031/+43.4153+144.0200/ 南東 80 北海道釧路市 0120600 北海道足寄町 0164700 北海道釧路町 0166100 北海道厚岸町 0166200 北海道標茶町 0166400 北海道鶴居村 0166700 北海道白糠町 0166800 小さな噴石の落下 75 1 +43.3988+144.0200/+43.3965+144.0400/+43.3800+144.0590/+43.3758+144.0600/+43.3600+144.0791/+43.3503+144.0600/+43.3471+144.0400/+43.3600+144.0271/+43.3612+144.0200/+43.3800+144.0012/+43.3988+144.0200/ 南東 5 北海道釧路市 0120600 北海道足寄町 0164700 北海道白糠町 0166800 　現在、雌阿寒岳は噴火警戒レベル２（火口周辺規制）です。雌阿寒岳で噴火が発生した場合には、２８日０９時から１２時までは火口から東方向、２８日２１時から２４時までは火口から南東方向に降灰が予想されます。 　２８日６時から２８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 　２８日０６時から０９時まで　東　　　　　　　９０ｋｍ　　６ｋｍ　　　　　 　２８日０９時から１２時まで　東　　　　　　　７０ｋｍ　　６ｋｍ　　　　　 　２８日１２時から１５時まで　南東　　　　　　８０ｋｍ　　６ｋｍ　　　　　 　２８日１５時から１８時まで　南東　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　２８日１８時から２１時まで　南東　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　２８日２１時から２４時まで　南東　　　　　　８０ｋｍ　　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。 　北海道　：釧路市、足寄町、厚岸町、標茶町、弟子屈町、鶴居村、白糠町、別海町、釧路町 　 　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。