2026-07-09T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-10T05:00:00+09:00 2026-07-10T06:00:00+09:00 2026-07-11T00:00:00+09:00 509 発表 1 降灰予報 1.1_0 　現在、口永良部島は噴火警戒レベル２（火口周辺規制）です。口永良部島で噴火が発生した場合には、１０日０９時から１２時までは火口から西方向、１０日２１時から２４時までは火口から西方向に降灰が予想されます。 降灰予報（定時） 06 口永良部島 509 降灰 70 鹿児島県屋久島町 4650500 小さな噴石の落下 75 鹿児島県屋久島町 4650500 降灰予報（定時） 06 口永良部島 509 +3026.60+13013.03+657/ 降灰 70 鹿児島県屋久島町 4650500 小さな噴石の落下 75 鹿児島県屋久島町 4650500 2026-07-10T06:00:00+09:00 2026-07-10T09:00:00+09:00 降灰 70 +30.6026+129.6400/+30.6049+129.6600/+30.6032+129.6800/+30.6016+129.7000/+30.6000+129.7065/+30.5966+129.7200/+30.5928+129.7400/+30.5905+129.7600/+30.5871+129.7800/+30.5842+129.8000/+30.5800+129.8198/+30.5799+129.8200/+30.5719+129.8400/+30.5670+129.8600/+30.5622+129.8800/+30.5600+129.8879/+30.5579+129.9000/+30.5529+129.9200/+30.5400+129.9355/+30.5387+129.9400/+30.5368+129.9600/+30.5334+129.9800/+30.5272+130.0000/+30.5200+130.0114/+30.5189+130.0200/+30.5173+130.0400/+30.5147+130.0600/+30.5076+130.0800/+30.5000+130.0890/+30.4991+130.1000/+30.4984+130.1200/+30.4970+130.1400/+30.4881+130.1600/+30.4800+130.1686/+30.4799+130.1800/+30.4799+130.2000/+30.4798+130.2200/+30.4600+130.2398/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4201+130.1600/+30.4202+130.1400/+30.4205+130.1200/+30.4213+130.1000/+30.4223+130.0800/+30.4250+130.0600/+30.4281+130.0400/+30.4378+130.0200/+30.4400+130.0157/+30.4417+130.0000/+30.4449+129.9800/+30.4509+129.9600/+30.4562+129.9400/+30.4600+129.9331/+30.4629+129.9200/+30.4619+129.9000/+30.4699+129.8800/+30.4800+129.8615/+30.4805+129.8600/+30.4843+129.8400/+30.4896+129.8200/+30.4962+129.8000/+30.5000+129.7878/+30.5028+129.7800/+30.5115+129.7600/+30.5200+129.7408/+30.5204+129.7400/+30.5316+129.7200/+30.5397+129.7000/+30.5400+129.6993/+30.5600+129.6808/+30.5649+129.6800/+30.5800+129.6742/+30.5884+129.6600/+30.5963+129.6400/+30.6000+129.6334/+30.6026+129.6400/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4686+130.2000/+30.4600+130.2086/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4234+130.2000/+30.4400+130.1820/+30.4600+130.1890/+30.4686+130.2000/ 西 2 鹿児島県屋久島町 4650500 2026-07-10T09:00:00+09:00 2026-07-10T12:00:00+09:00 降灰 70 +30.6604+129.6600/+30.6600+129.6622/+30.6522+129.6800/+30.6488+129.7000/+30.6400+129.7162/+30.6378+129.7200/+30.6345+129.7400/+30.6313+129.7600/+30.6266+129.7800/+30.6233+129.8000/+30.6200+129.8137/+30.6182+129.8200/+30.6107+129.8400/+30.6000+129.8486/+30.5957+129.8600/+30.5927+129.8800/+30.5884+129.9000/+30.5800+129.9179/+30.5791+129.9200/+30.5620+129.9400/+30.5600+129.9418/+30.5574+129.9600/+30.5534+129.9800/+30.5434+130.0000/+30.5400+130.0047/+30.5379+130.0200/+30.5338+130.0400/+30.5200+130.0599/+30.5200+130.0600/+30.5185+130.0800/+30.5154+130.1000/+30.5000+130.1178/+30.4998+130.1200/+30.4993+130.1400/+30.4983+130.1600/+30.4845+130.1800/+30.4800+130.1846/+30.4800+130.2000/+30.4798+130.2200/+30.4600+130.2398/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4203+130.1600/+30.4210+130.1400/+30.4232+130.1200/+30.4322+130.1000/+30.4400+130.0893/+30.4410+130.0800/+30.4442+130.0600/+30.4508+130.0400/+30.4600+130.0241/+30.4607+130.0200/+30.4649+130.0000/+30.4726+129.9800/+30.4800+129.9665/+30.4816+129.9600/+30.4876+129.9400/+30.4977+129.9200/+30.4979+129.9000/+30.5000+129.8957/+30.5063+129.8800/+30.5161+129.8600/+30.5200+129.8512/+30.5242+129.8400/+30.5358+129.8200/+30.5390+129.8000/+30.5400+129.7972/+30.5481+129.7800/+30.5600+129.7657/+30.5650+129.7600/+30.5748+129.7400/+30.5800+129.7295/+30.5855+129.7200/+30.5940+129.7000/+30.6000+129.6895/+30.6200+129.6821/+30.6225+129.6800/+30.6324+129.6600/+30.6400+129.6402/+30.6600+129.6541/+30.6604+129.6600/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4737+130.2000/+30.4600+130.2137/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4232+130.2000/+30.4400+130.1825/+30.4600+130.1843/+30.4737+130.2000/ 西 2 鹿児島県屋久島町 4650500 2026-07-10T12:00:00+09:00 2026-07-10T15:00:00+09:00 降灰 70 +30.6661+129.7000/+30.6697+129.7200/+30.6711+129.7400/+30.6683+129.7600/+30.6616+129.7800/+30.6600+129.7882/+30.6579+129.8000/+30.6489+129.8200/+30.6400+129.8323/+30.6368+129.8400/+30.6317+129.8600/+30.6261+129.8800/+30.6200+129.8959/+30.6189+129.9000/+30.6066+129.9200/+30.6000+129.9281/+30.5973+129.9400/+30.5808+129.9600/+30.5800+129.9609/+30.5762+129.9800/+30.5673+130.0000/+30.5600+130.0095/+30.5585+130.0200/+30.5525+130.0400/+30.5400+130.0547/+30.5391+130.0600/+30.5370+130.0800/+30.5229+130.1000/+30.5200+130.1030/+30.5189+130.1200/+30.5130+130.1400/+30.5000+130.1533/+30.4997+130.1600/+30.4991+130.1800/+30.4833+130.2000/+30.4800+130.2033/+30.4799+130.2200/+30.4600+130.2399/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4202+130.1800/+30.4221+130.1600/+30.4386+130.1400/+30.4400+130.1385/+30.4412+130.1200/+30.4459+130.1000/+30.4600+130.0822/+30.4604+130.0800/+30.4641+130.0600/+30.4800+130.0408/+30.4803+130.0400/+30.4832+130.0200/+30.4941+130.0000/+30.5000+129.9909/+30.5024+129.9800/+30.5110+129.9600/+30.5200+129.9475/+30.5227+129.9400/+30.5277+129.9200/+30.5340+129.9000/+30.5400+129.8934/+30.5446+129.8800/+30.5518+129.8600/+30.5600+129.8429/+30.5619+129.8400/+30.5714+129.8200/+30.5800+129.8010/+30.5805+129.8000/+30.5925+129.7800/+30.6000+129.7729/+30.6128+129.7600/+30.6200+129.7416/+30.6213+129.7400/+30.6349+129.7200/+30.6400+129.7076/+30.6508+129.7000/+30.6600+129.6944/+30.6661+129.7000/ 北西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4743+130.2000/+30.4648+130.2200/+30.4600+130.2248/+30.4400+130.2388/+30.4212+130.2200/+30.4225+130.2000/+30.4400+130.1822/+30.4600+130.1837/+30.4743+130.2000/ 北西 2 鹿児島県屋久島町 4650500 2026-07-10T15:00:00+09:00 2026-07-10T18:00:00+09:00 降灰 70 +30.6812+129.7000/+30.6800+129.7049/+30.6769+129.7200/+30.6738+129.7400/+30.6691+129.7600/+30.6614+129.7800/+30.6600+129.7866/+30.6570+129.8000/+30.6464+129.8200/+30.6400+129.8272/+30.6347+129.8400/+30.6294+129.8600/+30.6227+129.8800/+30.6200+129.8866/+30.6160+129.9000/+30.6016+129.9200/+30.6000+129.9221/+30.5968+129.9400/+30.5827+129.9600/+30.5800+129.9628/+30.5763+129.9800/+30.5699+130.0000/+30.5600+130.0126/+30.5586+130.0200/+30.5549+130.0400/+30.5400+130.0583/+30.5396+130.0600/+30.5376+130.0800/+30.5294+130.1000/+30.5200+130.1098/+30.5192+130.1200/+30.5160+130.1400/+30.5000+130.1565/+30.4998+130.1600/+30.4994+130.1800/+30.4926+130.2000/+30.4800+130.2126/+30.4799+130.2200/+30.4600+130.2399/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4202+130.1800/+30.4217+130.1600/+30.4343+130.1400/+30.4400+130.1328/+30.4408+130.1200/+30.4433+130.1000/+30.4498+130.0800/+30.4600+130.0667/+30.4614+130.0600/+30.4673+130.0400/+30.4800+130.0224/+30.4807+130.0200/+30.4844+130.0000/+30.4903+129.9800/+30.5000+129.9632/+30.5009+129.9600/+30.5082+129.9400/+30.5200+129.9221/+30.5207+129.9200/+30.5200+129.9069/+30.5187+129.9000/+30.5200+129.8978/+30.5302+129.8800/+30.5400+129.8686/+30.5440+129.8600/+30.5507+129.8400/+30.5600+129.8214/+30.5609+129.8200/+30.5711+129.8000/+30.5777+129.7800/+30.5800+129.7743/+30.5871+129.7600/+30.6000+129.7402/+30.6001+129.7400/+30.6149+129.7200/+30.6200+129.7111/+30.6248+129.7000/+30.6342+129.6800/+30.6400+129.6702/+30.6583+129.6600/+30.6600+129.6587/+30.6632+129.6600/+30.6783+129.6800/+30.6800+129.6889/+30.6812+129.7000/ 北西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4772+130.2000/+30.4600+130.2182/+30.4593+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4225+130.2000/+30.4400+130.1821/+30.4600+130.1805/+30.4772+130.2000/ 西 2 鹿児島県屋久島町 4650500 2026-07-10T18:00:00+09:00 2026-07-10T21:00:00+09:00 降灰 70 +30.6628+129.6000/+30.6648+129.6200/+30.6658+129.6400/+30.6642+129.6600/+30.6603+129.6800/+30.6600+129.6819/+30.6549+129.7000/+30.6454+129.7200/+30.6400+129.7349/+30.6390+129.7400/+30.6337+129.7600/+30.6279+129.7800/+30.6235+129.8000/+30.6201+129.8200/+30.6200+129.8204/+30.6161+129.8400/+30.6010+129.8600/+30.6000+129.8614/+30.5960+129.8800/+30.5921+129.9000/+30.5854+129.9200/+30.5800+129.9333/+30.5779+129.9400/+30.5600+129.9599/+30.5600+129.9600/+30.5569+129.9800/+30.5537+130.0000/+30.5418+130.0200/+30.5400+130.0220/+30.5377+130.0400/+30.5336+130.0600/+30.5200+130.0775/+30.5197+130.0800/+30.5185+130.1000/+30.5147+130.1200/+30.5000+130.1357/+30.4997+130.1400/+30.4993+130.1600/+30.4975+130.1800/+30.4800+130.1989/+30.4800+130.2000/+30.4798+130.2200/+30.4600+130.2398/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4203+130.1600/+30.4208+130.1400/+30.4224+130.1200/+30.4272+130.1000/+30.4400+130.0801/+30.4400+130.0800/+30.4421+130.0600/+30.4451+130.0400/+30.4488+130.0200/+30.4600+130.0001/+30.4600+130.0000/+30.4648+129.9800/+30.4678+129.9600/+30.4746+129.9400/+30.4800+129.9298/+30.4852+129.9200/+30.4880+129.9000/+30.4959+129.8800/+30.5000+129.8714/+30.5043+129.8600/+30.5124+129.8400/+30.5200+129.8245/+30.5221+129.8200/+30.5286+129.8000/+30.5355+129.7800/+30.5400+129.7706/+30.5466+129.7600/+30.5557+129.7400/+30.5600+129.7327/+30.5669+129.7200/+30.5775+129.7000/+30.5800+129.6950/+30.5886+129.6800/+30.6000+129.6645/+30.6081+129.6600/+30.6200+129.6469/+30.6239+129.6400/+30.6338+129.6200/+30.6400+129.6043/+30.6490+129.6000/+30.6600+129.5948/+30.6628+129.6000/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4771+130.2000/+30.4778+130.2200/+30.4600+130.2378/+30.4400+130.2388/+30.4212+130.2200/+30.4219+130.2000/+30.4400+130.1812/+30.4600+130.1805/+30.4771+130.2000/ 北西 2 鹿児島県屋久島町 4650500 2026-07-10T21:00:00+09:00 2026-07-11T00:00:00+09:00 降灰 70 +30.6287+129.6600/+30.6262+129.6800/+30.6255+129.7000/+30.6247+129.7200/+30.6241+129.7400/+30.6211+129.7600/+30.6200+129.7669/+30.6178+129.7800/+30.6145+129.8000/+30.6080+129.8200/+30.6000+129.8367/+30.5992+129.8400/+30.5926+129.8600/+30.5894+129.8800/+30.5854+129.9000/+30.5800+129.9172/+30.5793+129.9200/+30.5712+129.9400/+30.5600+129.9505/+30.5571+129.9600/+30.5547+129.9800/+30.5502+130.0000/+30.5400+130.0158/+30.5392+130.0200/+30.5361+130.0400/+30.5310+130.0600/+30.5200+130.0746/+30.5194+130.0800/+30.5177+130.1000/+30.5113+130.1200/+30.5000+130.1327/+30.4996+130.1400/+30.4991+130.1600/+30.4974+130.1800/+30.4841+130.2000/+30.4800+130.2041/+30.4797+130.2200/+30.4600+130.2397/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4202+130.1600/+30.4204+130.1400/+30.4209+130.1200/+30.4223+130.1000/+30.4239+130.0800/+30.4279+130.0600/+30.4361+130.0400/+30.4400+130.0295/+30.4409+130.0200/+30.4434+130.0000/+30.4475+129.9800/+30.4519+129.9600/+30.4600+129.9415/+30.4605+129.9400/+30.4652+129.9200/+30.4675+129.9000/+30.4780+129.8800/+30.4800+129.8765/+30.4861+129.8600/+30.4923+129.8400/+30.4999+129.8200/+30.5000+129.8196/+30.5062+129.8000/+30.5131+129.7800/+30.5200+129.7649/+30.5222+129.7600/+30.5312+129.7400/+30.5400+129.7245/+30.5430+129.7200/+30.5600+129.7002/+30.5603+129.7000/+30.5724+129.6800/+30.5800+129.6680/+30.5852+129.6600/+30.5987+129.6400/+30.6000+129.6382/+30.6182+129.6400/+30.6200+129.6405/+30.6287+129.6600/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4775+130.2000/+30.4774+130.2200/+30.4600+130.2374/+30.4400+130.2388/+30.4212+130.2200/+30.4220+130.2000/+30.4400+130.1813/+30.4600+130.1805/+30.4775+130.2000/ 北西 2 鹿児島県屋久島町 4650500 　現在、口永良部島は噴火警戒レベル２（火口周辺規制）です。口永良部島で噴火が発生した場合には、１０日０９時から１２時までは火口から西方向、１０日２１時から２４時までは火口から西方向に降灰が予想されます。 　１０日６時から１０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 　１０日０６時から０９時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日０９時から１２時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日１２時から１５時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日１５時から１８時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　 　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：屋久島町 　 　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。