2026-07-10T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-10T11:00:00+09:00 2026-07-10T12:00:00+09:00 2026-07-11T06:00:00+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 2026-07-10T12:00:00+09:00 2026-07-10T15:00:00+09:00 降灰 70 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北西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4753+130.2000/+30.4634+130.2200/+30.4600+130.2234/+30.4400+130.2388/+30.4212+130.2200/+30.4229+130.2000/+30.4400+130.1826/+30.4600+130.1832/+30.4753+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 +30.6670+129.6600/+30.6668+129.6800/+30.6666+129.7000/+30.6644+129.7200/+30.6625+129.7400/+30.6600+129.7477/+30.6576+129.7600/+30.6499+129.7800/+30.6400+129.7959/+30.6382+129.8000/+30.6330+129.8200/+30.6296+129.8400/+30.6230+129.8600/+30.6200+129.8668/+30.6155+129.8800/+30.6030+129.9000/+30.6000+129.9030/+30.5954+129.9200/+30.5925+129.9400/+30.5800+129.9541/+30.5771+129.9600/+30.5719+129.9800/+30.5600+129.9982/+30.5597+130.0000/+30.5567+130.0200/+30.5469+130.0400/+30.5400+130.0479/+30.5384+130.0600/+30.5353+130.0800/+30.5200+130.0982/+30.5198+130.1000/+30.5187+130.1200/+30.5120+130.1400/+30.5000+130.1523/+30.4997+130.1600/+30.4991+130.1800/+30.4850+130.2000/+30.4800+130.2050/+30.4799+130.2200/+30.4600+130.2399/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4202+130.1800/+30.4214+130.1600/+30.4295+130.1400/+30.4400+130.1280/+30.4406+130.1200/+30.4431+130.1000/+30.4493+130.0800/+30.4600+130.0658/+30.4612+130.0600/+30.4670+130.0400/+30.4800+130.0202/+30.4800+130.0200/+30.4842+130.0000/+30.4895+129.9800/+30.5000+129.9634/+30.5011+129.9600/+30.5066+129.9400/+30.5167+129.9200/+30.5153+129.9000/+30.5200+129.8911/+30.5254+129.8800/+30.5400+129.8612/+30.5406+129.8600/+30.5460+129.8400/+30.5528+129.8200/+30.5600+129.8062/+30.5638+129.8000/+30.5705+129.7800/+30.5783+129.7600/+30.5800+129.7551/+30.5867+129.7400/+30.5993+129.7200/+30.6000+129.7191/+30.6200+129.7068/+30.6251+129.7000/+30.6327+129.6800/+30.6386+129.6600/+30.6400+129.6565/+30.6600+129.6419/+30.6670+129.6600/ 北西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4769+130.2000/+30.4600+130.2169/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4220+130.2000/+30.4400+130.1818/+30.4600+130.1811/+30.4769+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 +30.6670+129.6400/+30.6730+129.6600/+30.6722+129.6800/+30.6718+129.7000/+30.6706+129.7200/+30.6697+129.7400/+30.6654+129.7600/+30.6600+129.7735/+30.6583+129.7800/+30.6522+129.8000/+30.6400+129.8200/+30.6336+129.8400/+30.6271+129.8600/+30.6200+129.8757/+30.6186+129.8800/+30.6097+129.9000/+30.6000+129.9122/+30.5980+129.9200/+30.5948+129.9400/+30.5800+129.9576/+30.5788+129.9600/+30.5742+129.9800/+30.5645+130.0000/+30.5600+130.0053/+30.5571+130.0200/+30.5499+130.0400/+30.5400+130.0515/+30.5386+130.0600/+30.5357+130.0800/+30.5200+130.0992/+30.5199+130.1000/+30.5185+130.1200/+30.5108+130.1400/+30.5000+130.1511/+30.4996+130.1600/+30.4991+130.1800/+30.4869+130.2000/+30.4800+130.2069/+30.4798+130.2200/+30.4600+130.2397/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4205+130.1600/+30.4217+130.1400/+30.4267+130.1200/+30.4400+130.1016/+30.4402+130.1000/+30.4417+130.0800/+30.4448+130.0600/+30.4526+130.0400/+30.4600+130.0226/+30.4604+130.0200/+30.4663+130.0000/+30.4734+129.9800/+30.4800+129.9657/+30.4814+129.9600/+30.4894+129.9400/+30.4956+129.9200/+30.5000+129.9016/+30.5003+129.9000/+30.5087+129.8800/+30.5177+129.8600/+30.5200+129.8549/+30.5260+129.8400/+30.5393+129.8200/+30.5400+129.8184/+30.5475+129.8000/+30.5600+129.7816/+30.5609+129.7800/+30.5715+129.7600/+30.5790+129.7400/+30.5800+129.7379/+30.5896+129.7200/+30.6000+129.7040/+30.6060+129.7000/+30.6200+129.6811/+30.6207+129.6800/+30.6329+129.6600/+30.6400+129.6471/+30.6519+129.6400/+30.6600+129.6342/+30.6670+129.6400/ 北西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4605+130.1800/+30.4775+130.2000/+30.4772+130.2200/+30.4600+130.2372/+30.4400+130.2388/+30.4212+130.2200/+30.4221+130.2000/+30.4400+130.1814/+30.4595+130.1800/+30.4600+130.1795/+30.4605+130.1800/ 北西 4 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 +30.6655+129.6000/+30.6698+129.6200/+30.6714+129.6400/+30.6701+129.6600/+30.6669+129.6800/+30.6639+129.7000/+30.6600+129.7104/+30.6548+129.7200/+30.6468+129.7400/+30.6431+129.7600/+30.6400+129.7651/+30.6345+129.7800/+30.6297+129.8000/+30.6268+129.8200/+30.6239+129.8400/+30.6200+129.8465/+30.6110+129.8600/+30.6000+129.8762/+30.5988+129.8800/+30.5945+129.9000/+30.5910+129.9200/+30.5847+129.9400/+30.5800+129.9449/+30.5695+129.9600/+30.5600+129.9747/+30.5591+129.9800/+30.5562+130.0000/+30.5480+130.0200/+30.5400+130.0296/+30.5384+130.0400/+30.5364+130.0600/+30.5258+130.0800/+30.5200+130.0866/+30.5191+130.1000/+30.5168+130.1200/+30.5000+130.1392/+30.4999+130.1400/+30.4995+130.1600/+30.4988+130.1800/+30.4871+130.2000/+30.4800+130.2071/+30.4797+130.2200/+30.4600+130.2397/+30.4400+130.2399/+30.4201+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4204+130.1600/+30.4213+130.1400/+30.4249+130.1200/+30.4379+130.1000/+30.4400+130.0971/+30.4411+130.0800/+30.4432+130.0600/+30.4467+130.0400/+30.4554+130.0200/+30.4600+130.0067/+30.4607+130.0000/+30.4675+129.9800/+30.4744+129.9600/+30.4800+129.9479/+30.4817+129.9400/+30.4867+129.9200/+30.4877+129.9000/+30.4944+129.8800/+30.5000+129.8689/+30.5047+129.8600/+30.5123+129.8400/+30.5200+129.8237/+30.5216+129.8200/+30.5300+129.8000/+30.5378+129.7800/+30.5400+129.7756/+30.5506+129.7600/+30.5600+129.7432/+30.5615+129.7400/+30.5707+129.7200/+30.5800+129.7022/+30.5816+129.7000/+30.5929+129.6800/+30.6000+129.6702/+30.6115+129.6600/+30.6200+129.6456/+30.6226+129.6400/+30.6323+129.6200/+30.6400+129.6047/+30.6494+129.6000/+30.6600+129.5926/+30.6655+129.6000/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4638+130.1800/+30.4775+130.2000/+30.4600+130.2175/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4220+130.2000/+30.4400+130.1812/+30.4561+130.1800/+30.4600+130.1766/+30.4638+130.1800/ 北西 4 鹿児島県屋久島町 4650500 2026-07-11T00:00:00+09:00 2026-07-11T03:00:00+09:00 降灰 70 +30.6684+129.6200/+30.6769+129.6400/+30.6756+129.6600/+30.6718+129.6800/+30.6694+129.7000/+30.6641+129.7200/+30.6600+129.7356/+30.6585+129.7400/+30.6542+129.7600/+30.6492+129.7800/+30.6429+129.8000/+30.6400+129.8046/+30.6350+129.8200/+30.6299+129.8400/+30.6200+129.8582/+30.6192+129.8600/+30.6130+129.8800/+30.6017+129.9000/+30.6000+129.9020/+30.5958+129.9200/+30.5920+129.9400/+30.5800+129.9536/+30.5770+129.9600/+30.5714+129.9800/+30.5600+129.9964/+30.5592+130.0000/+30.5563+130.0200/+30.5453+130.0400/+30.5400+130.0463/+30.5383+130.0600/+30.5349+130.0800/+30.5200+130.0980/+30.5197+130.1000/+30.5184+130.1200/+30.5107+130.1400/+30.5000+130.1510/+30.4996+130.1600/+30.4991+130.1800/+30.4938+130.2000/+30.4800+130.2138/+30.4797+130.2200/+30.4600+130.2397/+30.4400+130.2398/+30.4202+130.2200/+30.4200+130.2000/+30.4201+130.1800/+30.4204+130.1600/+30.4214+130.1400/+30.4258+130.1200/+30.4400+130.1021/+30.4402+130.1000/+30.4416+130.0800/+30.4438+130.0600/+30.4502+130.0400/+30.4600+130.0224/+30.4604+130.0200/+30.4634+130.0000/+30.4676+129.9800/+30.4800+129.9609/+30.4804+129.9600/+30.4848+129.9400/+30.4890+129.9200/+30.4916+129.9000/+30.5000+129.8800/+30.5000+129.8799/+30.5100+129.8600/+30.5200+129.8406/+30.5203+129.8400/+30.5289+129.8200/+30.5358+129.8000/+30.5400+129.7892/+30.5448+129.7800/+30.5600+129.7621/+30.5617+129.7600/+30.5693+129.7400/+30.5775+129.7200/+30.5800+129.7125/+30.5856+129.7000/+30.5952+129.6800/+30.6000+129.6722/+30.6137+129.6600/+30.6200+129.6517/+30.6277+129.6400/+30.6400+129.6230/+30.6480+129.6200/+30.6600+129.6138/+30.6684+129.6200/ 西 60 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4601+130.1800/+30.4781+130.2000/+30.4780+130.2200/+30.4600+130.2380/+30.4400+130.2388/+30.4212+130.2200/+30.4216+130.2000/+30.4400+130.1812/+30.4600+130.1800/+30.4601+130.1800/ 北西 4 鹿児島県屋久島町 4650500 2026-07-11T03:00:00+09:00 2026-07-11T06:00:00+09:00 降灰 70 +30.7068+129.6000/+30.7087+129.6200/+30.7096+129.6400/+30.7071+129.6600/+30.7012+129.6800/+30.7000+129.6840/+30.6948+129.7000/+30.6875+129.7200/+30.6835+129.7400/+30.6800+129.7567/+30.6794+129.7600/+30.6692+129.7800/+30.6635+129.8000/+30.6600+129.8119/+30.6572+129.8200/+30.6484+129.8400/+30.6400+129.8531/+30.6379+129.8600/+30.6322+129.8800/+30.6247+129.9000/+30.6200+129.9084/+30.6149+129.9200/+30.6007+129.9400/+30.6000+129.9408/+30.5946+129.9600/+30.5844+129.9800/+30.5800+129.9857/+30.5762+130.0000/+30.5660+130.0200/+30.5600+130.0279/+30.5579+130.0400/+30.5523+130.0600/+30.5400+130.0744/+30.5389+130.0800/+30.5353+130.1000/+30.5200+130.1179/+30.5198+130.1200/+30.5180+130.1400/+30.5007+130.1600/+30.5000+130.1607/+30.4996+130.1800/+30.4969+130.2000/+30.4800+130.2169/+30.4798+130.2200/+30.4600+130.2398/+30.4400+130.2398/+30.4202+130.2200/+30.4201+130.2000/+30.4202+130.1800/+30.4209+130.1600/+30.4251+130.1400/+30.4400+130.1219/+30.4402+130.1200/+30.4419+130.1000/+30.4452+130.0800/+30.4534+130.0600/+30.4600+130.0504/+30.4622+130.0400/+30.4661+130.0200/+30.4748+130.0000/+30.4800+129.9921/+30.4833+129.9800/+30.4906+129.9600/+30.4976+129.9400/+30.5000+129.9352/+30.5050+129.9200/+30.5074+129.9000/+30.5179+129.8800/+30.5200+129.8762/+30.5283+129.8600/+30.5400+129.8422/+30.5412+129.8400/+30.5489+129.8200/+30.5575+129.8000/+30.5600+129.7961/+30.5668+129.7800/+30.5766+129.7600/+30.5800+129.7510/+30.5851+129.7400/+30.5963+129.7200/+30.6000+129.7144/+30.6121+129.7000/+30.6200+129.6842/+30.6222+129.6800/+30.6336+129.6600/+30.6400+129.6493/+30.6511+129.6400/+30.6600+129.6321/+30.6800+129.6210/+30.6811+129.6200/+30.6940+129.6000/+30.7000+129.5906/+30.7068+129.6000/ 北西 70 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4750+130.1800/+30.4780+130.2000/+30.4777+130.2200/+30.4600+130.2377/+30.4400+130.2388/+30.4212+130.2200/+30.4215+130.2000/+30.4400+130.1812/+30.4565+130.1800/+30.4600+130.1762/+30.4750+130.1800/ 北西 4 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１２時から１１日６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　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　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。 　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。