2026-09-28T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-28T17:00:00+09:00 2026-09-28T18:00:00+09:00 2026-09-29T12:00:00+09:00 108 発表 1 降灰予報 1.1_0 　現在、十勝岳は噴火警戒レベル３（入山規制）です。十勝岳で噴火が発生した場合には、２８日２１時から２４時までは火口から北東方向、２９日０９時から１２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 十勝岳 108 降灰 70 北海道北見市 0120800 北海道富良野市 0122900 北海道上川町 0145700 北海道東川町 0145800 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道南富良野町 0146200 北海道置戸町 0155000 北海道遠軽町 0155500 北海道音更町 0163100 北海道士幌町 0163200 北海道上士幌町 0163300 北海道鹿追町 0163400 北海道新得町 0163500 北海道池田町 0164400 北海道本別町 0164600 北海道足寄町 0164700 小さな噴石の落下 75 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 降灰予報（定時） 06 十勝岳 108 +4325.07+14241.18+2077/ 降灰 70 北海道北見市 0120800 北海道富良野市 0122900 北海道上川町 0145700 北海道東川町 0145800 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道南富良野町 0146200 北海道置戸町 0155000 北海道遠軽町 0155500 北海道音更町 0163100 北海道士幌町 0163200 北海道上士幌町 0163300 北海道鹿追町 0163400 北海道新得町 0163500 北海道池田町 0164400 北海道本別町 0164600 北海道足寄町 0164700 小さな噴石の落下 75 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-28T18:00:00+09:00 2026-09-28T21:00:00+09:00 降灰 70 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北東 60 北海道北見市 0120800 北海道上川町 0145700 北海道東川町 0145800 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道遠軽町 0155500 北海道新得町 0163500 小さな噴石の落下 75 1 +43.4618+142.7000/+43.4600+142.7067/+43.4549+142.7200/+43.4400+142.7263/+43.4337+142.7200/+43.4238+142.7000/+43.4200+142.6988/+43.4012+142.6800/+43.4200+142.6612/+43.4400+142.6620/+43.4585+142.6800/+43.4600+142.6980/+43.4618+142.7000/ 北東 5 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-28T21:00:00+09:00 2026-09-29T00:00:00+09:00 降灰 70 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北東 70 北海道北見市 0120800 北海道上川町 0145700 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道遠軽町 0155500 北海道新得町 0163500 小さな噴石の落下 75 1 +43.4633+142.7200/+43.4600+142.7254/+43.4400+142.7255/+43.4345+142.7200/+43.4230+142.7000/+43.4200+142.6988/+43.4012+142.6800/+43.4200+142.6612/+43.4400+142.6622/+43.4578+142.6800/+43.4580+142.7000/+43.4600+142.7154/+43.4633+142.7200/ 北東 5 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-29T00:00:00+09:00 2026-09-29T03:00:00+09:00 降灰 70 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北東 70 北海道北見市 0120800 北海道上川町 0145700 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道遠軽町 0155500 北海道新得町 0163500 小さな噴石の落下 75 1 +43.4577+142.6800/+43.4574+142.7000/+43.4552+142.7200/+43.4400+142.7331/+43.4324+142.7200/+43.4200+142.7168/+43.4032+142.7000/+43.4012+142.6800/+43.4200+142.6612/+43.4400+142.6623/+43.4577+142.6800/ 北東 4 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-29T03:00:00+09:00 2026-09-29T06:00:00+09:00 降灰 70 +43.7402+143.3800/+43.7428+143.4000/+43.7400+143.4025/+43.7377+143.4000/+43.7381+143.3800/+43.7400+143.3771/+43.7402+143.3800/ 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北東 70 北海道北見市 0120800 北海道上川町 0145700 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道置戸町 0155000 北海道遠軽町 0155500 北海道上士幌町 0163300 北海道新得町 0163500 小さな噴石の落下 75 1 +43.4579+142.6800/+43.4568+142.7000/+43.4566+142.7200/+43.4495+142.7400/+43.4400+142.7500/+43.4200+142.7542/+43.4145+142.7400/+43.4062+142.7200/+43.4014+142.7000/+43.4012+142.6800/+43.4200+142.6612/+43.4400+142.6621/+43.4579+142.6800/ 東 6 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-29T06:00:00+09:00 2026-09-29T09:00:00+09:00 降灰 70 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東 60 北海道富良野市 0122900 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道南富良野町 0146200 北海道上士幌町 0163300 北海道鹿追町 0163400 北海道新得町 0163500 北海道足寄町 0164700 小さな噴石の落下 75 1 +43.4388+142.6800/+43.4383+142.7000/+43.4331+142.7200/+43.4275+142.7400/+43.4200+142.7571/+43.4020+142.7400/+43.4000+142.7390/+43.3887+142.7200/+43.3875+142.7000/+43.4000+142.6875/+43.4012+142.6800/+43.4200+142.6612/+43.4388+142.6800/ 東 5 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 2026-09-29T09:00:00+09:00 2026-09-29T12:00:00+09:00 降灰 70 +43.4406+142.6600/+43.4549+142.6800/+43.4400+142.6950/+43.4399+142.7000/+43.4398+142.7200/+43.4383+142.7400/+43.4271+142.7600/+43.4200+142.7678/+43.4192+142.7800/+43.4173+142.8000/+43.4093+142.8200/+43.4000+142.8342/+43.3992+142.8400/+43.3965+142.8600/+43.3897+142.8800/+43.3800+142.8936/+43.3778+142.9000/+43.3728+142.9200/+43.3672+142.9400/+43.3600+142.9507/+43.3562+142.9600/+43.3505+142.9800/+43.3421+143.0000/+43.3400+143.0029/+43.3324+143.0200/+43.3267+143.0400/+43.3200+143.0487/+43.3112+143.0600/+43.3043+143.0800/+43.3000+143.0917/+43.2966+143.1000/+43.2805+143.1200/+43.2800+143.1211/+43.2749+143.1400/+43.2610+143.1600/+43.2600+143.1622/+43.2511+143.1800/+43.2400+143.1979/+43.2395+143.2000/+43.2365+143.2200/+43.2318+143.2400/+43.2246+143.2600/+43.2200+143.2688/+43.2122+143.2800/+43.2000+143.2918/+43.1953+143.3000/+43.1914+143.3200/+43.1864+143.3400/+43.1800+143.3593/+43.1797+143.3600/+43.1700+143.3800/+43.1600+143.3948/+43.1527+143.4000/+43.1400+143.4106/+43.1235+143.4200/+43.1200+143.4228/+43.1056+143.4400/+43.1000+143.4528/+43.0975+143.4400/+43.0941+143.4200/+43.0916+143.4000/+43.0981+143.3800/+43.1000+143.3751/+43.1089+143.3600/+43.1137+143.3400/+43.1165+143.3200/+43.1180+143.3000/+43.1200+143.2833/+43.1204+143.2800/+43.1226+143.2600/+43.1265+143.2400/+43.1340+143.2200/+43.1400+143.2089/+43.1450+143.2000/+43.1533+143.1800/+43.1600+143.1730/+43.1650+143.1600/+43.1682+143.1400/+43.1709+143.1200/+43.1739+143.1000/+43.1786+143.0800/+43.1800+143.0765/+43.2000+143.0646/+43.2014+143.0600/+43.2044+143.0400/+43.2091+143.0200/+43.2200+143.0032/+43.2211+143.0000/+43.2248+142.9800/+43.2313+142.9600/+43.2400+142.9514/+43.2600+142.9465/+43.2612+142.9400/+43.2667+142.9200/+43.2800+142.9052/+43.2809+142.9000/+43.2849+142.8800/+43.3000+142.8638/+43.3006+142.8600/+43.3035+142.8400/+43.3200+142.8224/+43.3203+142.8200/+43.3223+142.8000/+43.3400+142.7814/+43.3401+142.7800/+43.3413+142.7600/+43.3600+142.7411/+43.3601+142.7400/+43.3607+142.7200/+43.3800+142.7005/+43.3801+142.7000/+43.3805+142.6800/+43.4000+142.6605/+43.4033+142.6600/+43.4200+142.6433/+43.4400+142.6594/+43.4406+142.6600/ 南東 70 北海道富良野市 0122900 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道南富良野町 0146200 北海道音更町 0163100 北海道士幌町 0163200 北海道上士幌町 0163300 北海道鹿追町 0163400 北海道新得町 0163500 北海道池田町 0164400 北海道本別町 0164600 小さな噴石の落下 75 1 +43.4388+142.6800/+43.4378+142.7000/+43.4288+142.7200/+43.4200+142.7304/+43.4000+142.7393/+43.3876+142.7200/+43.3862+142.7000/+43.4000+142.6862/+43.4012+142.6800/+43.4200+142.6612/+43.4388+142.6800/ 南東 4 北海道美瑛町 0145900 北海道上富良野町 0146000 北海道新得町 0163500 　現在、十勝岳は噴火警戒レベル３（入山規制）です。十勝岳で噴火が発生した場合には、２８日２１時から２４時までは火口から北東方向、２９日０９時から１２時までは火口から南東方向に降灰が予想されます。 　２８日１８時から２９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 　２８日１８時から２１時まで　北東　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　２８日２１時から２４時まで　北東　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　２９日００時から０３時まで　北東　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２９日０３時から０６時まで　北東　　　　　　７０ｋｍ　　６ｋｍ　　　　　 　２９日０６時から０９時まで　東　　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　２９日０９時から１２時まで　南東　　　　　　７０ｋｍ　　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。 　北海道　：北見市、上川町、東川町、美瑛町、上富良野町、遠軽町、新得町、置戸町、上士幌町、 　　　　　富良野市、南富良野町、鹿追町、足寄町、音更町、士幌町、池田町、本別町 　 　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。