2026-07-13T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-14T05:00:00+09:00 2026-07-14T06:00:00+09:00 2026-07-15T00:00:00+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、１４日０９時から１２時までは火口から北東方向、１４日２１時から２４時までは火口から北東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 2026-07-14T06:00:00+09:00 2026-07-14T09:00:00+09:00 降灰 70 +30.7017+130.6000/+30.7009+130.6200/+30.7000+130.6341/+30.6995+130.6400/+30.6899+130.6600/+30.6800+130.6629/+30.6770+130.6600/+30.6670+130.6400/+30.6600+130.6258/+30.6567+130.6200/+30.6428+130.6000/+30.6400+130.5981/+30.6295+130.5800/+30.6200+130.5639/+30.6178+130.5600/+30.6089+130.5400/+30.6025+130.5200/+30.6000+130.5152/+30.5883+130.5000/+30.5852+130.4800/+30.5800+130.4656/+30.5757+130.4600/+30.5635+130.4400/+30.5600+130.4300/+30.5529+130.4200/+30.5425+130.4000/+30.5400+130.3943/+30.5281+130.3800/+30.5202+130.3600/+30.5200+130.3598/+30.5021+130.3400/+30.5000+130.3364/+30.4841+130.3200/+30.4800+130.3102/+30.4699+130.3000/+30.4602+130.2800/+30.4600+130.2799/+30.4403+130.2600/+30.4400+130.2599/+30.4201+130.2400/+30.4200+130.2200/+30.4298+130.2000/+30.4400+130.1898/+30.4556+130.2000/+30.4600+130.2000/+30.4800+130.2027/+30.4973+130.2200/+30.5000+130.2247/+30.5154+130.2400/+30.5200+130.2462/+30.5339+130.2600/+30.5400+130.2693/+30.5509+130.2800/+30.5600+130.2960/+30.5640+130.3000/+30.5799+130.3200/+30.5800+130.3203/+30.5964+130.3400/+30.6000+130.3486/+30.6087+130.3600/+30.6187+130.3800/+30.6200+130.3839/+30.6324+130.4000/+30.6395+130.4200/+30.6400+130.4208/+30.6562+130.4400/+30.6600+130.4578/+30.6616+130.4600/+30.6734+130.4800/+30.6800+130.4993/+30.6803+130.5000/+30.6895+130.5200/+30.6932+130.5400/+30.6969+130.5600/+30.6990+130.5800/+30.7000+130.5882/+30.7017+130.6000/ 北東 50 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4735+130.2200/+30.4669+130.2400/+30.4600+130.2469/+30.4400+130.2441/+30.4359+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4600+130.2065/+30.4735+130.2200/ 北東 3 鹿児島県屋久島町 4650500 2026-07-14T09:00:00+09:00 2026-07-14T12:00:00+09:00 降灰 70 +30.6664+130.5000/+30.6721+130.5200/+30.6750+130.5400/+30.6750+130.5600/+30.6733+130.5800/+30.6682+130.6000/+30.6600+130.6147/+30.6512+130.6200/+30.6400+130.6231/+30.6381+130.6200/+30.6263+130.6000/+30.6200+130.5944/+30.6079+130.5800/+30.6000+130.5656/+30.5973+130.5600/+30.5864+130.5400/+30.5800+130.5224/+30.5791+130.5200/+30.5688+130.5000/+30.5655+130.4800/+30.5623+130.4600/+30.5600+130.4549/+30.5519+130.4400/+30.5440+130.4200/+30.5400+130.4096/+30.5327+130.4000/+30.5235+130.3800/+30.5200+130.3718/+30.5102+130.3600/+30.5008+130.3400/+30.5000+130.3388/+30.4829+130.3200/+30.4800+130.3143/+30.4661+130.3000/+30.4600+130.2815/+30.4585+130.2800/+30.4403+130.2600/+30.4400+130.2599/+30.4201+130.2400/+30.4200+130.2200/+30.4273+130.2000/+30.4400+130.1873/+30.4594+130.2000/+30.4600+130.2000/+30.4800+130.2018/+30.4982+130.2200/+30.5000+130.2228/+30.5173+130.2400/+30.5200+130.2436/+30.5366+130.2600/+30.5400+130.2650/+30.5550+130.2800/+30.5600+130.2876/+30.5726+130.3000/+30.5800+130.3161/+30.5837+130.3200/+30.5990+130.3400/+30.6000+130.3428/+30.6128+130.3600/+30.6200+130.3787/+30.6211+130.3800/+30.6362+130.4000/+30.6400+130.4141/+30.6435+130.4200/+30.6516+130.4400/+30.6548+130.4600/+30.6590+130.4800/+30.6600+130.4850/+30.6664+130.5000/ 北東 40 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4708+130.2200/+30.4636+130.2400/+30.4600+130.2435/+30.4400+130.2455/+30.4345+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4600+130.2092/+30.4708+130.2200/ 北東 3 鹿児島県屋久島町 4650500 2026-07-14T12:00:00+09:00 2026-07-14T15:00:00+09:00 降灰 70 +30.6139+130.4800/+30.6170+130.5000/+30.6176+130.5200/+30.6180+130.5400/+30.6173+130.5600/+30.6154+130.5800/+30.6166+130.6000/+30.6119+130.6200/+30.6052+130.6400/+30.6000+130.6493/+30.5923+130.6600/+30.5817+130.6800/+30.5800+130.6850/+30.5739+130.7000/+30.5619+130.7200/+30.5600+130.7226/+30.5539+130.7200/+30.5400+130.7009/+30.5397+130.7000/+30.5360+130.6800/+30.5368+130.6600/+30.5373+130.6400/+30.5375+130.6200/+30.5400+130.6121/+30.5425+130.6000/+30.5433+130.5800/+30.5422+130.5600/+30.5410+130.5400/+30.5402+130.5200/+30.5400+130.5000/+30.5400+130.4998/+30.5326+130.4800/+30.5272+130.4600/+30.5228+130.4400/+30.5200+130.4266/+30.5156+130.4200/+30.5053+130.4000/+30.5011+130.3800/+30.5000+130.3766/+30.4858+130.3600/+30.4807+130.3400/+30.4800+130.3378/+30.4637+130.3200/+30.4603+130.3000/+30.4600+130.2993/+30.4412+130.2800/+30.4400+130.2670/+30.4330+130.2600/+30.4201+130.2400/+30.4200+130.2200/+30.4300+130.2000/+30.4400+130.1900/+30.4543+130.2000/+30.4600+130.2000/+30.4800+130.2200/+30.4800+130.2204/+30.4996+130.2400/+30.5000+130.2456/+30.5144+130.2600/+30.5196+130.2800/+30.5200+130.2822/+30.5374+130.3000/+30.5400+130.3141/+30.5457+130.3200/+30.5582+130.3400/+30.5600+130.3494/+30.5691+130.3600/+30.5771+130.3800/+30.5797+130.4000/+30.5800+130.4013/+30.5933+130.4200/+30.5969+130.4400/+30.5993+130.4600/+30.6000+130.4627/+30.6139+130.4800/ 北東 50 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4650+130.2200/+30.4600+130.2354/+30.4570+130.2400/+30.4400+130.2472/+30.4328+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4600+130.2150/+30.4650+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-14T15:00:00+09:00 2026-07-14T18:00:00+09:00 降灰 70 +30.6024+130.5200/+30.6033+130.5400/+30.6029+130.5600/+30.6009+130.5800/+30.6000+130.5835/+30.5939+130.6000/+30.5862+130.6200/+30.5800+130.6325/+30.5751+130.6400/+30.5618+130.6600/+30.5600+130.6628/+30.5400+130.6679/+30.5219+130.6800/+30.5200+130.6830/+30.5196+130.6800/+30.5169+130.6600/+30.5145+130.6400/+30.5165+130.6200/+30.5165+130.6000/+30.5153+130.5800/+30.5140+130.5600/+30.5118+130.5400/+30.5110+130.5200/+30.5109+130.5000/+30.5088+130.4800/+30.5046+130.4600/+30.5000+130.4451/+30.4969+130.4400/+30.4868+130.4200/+30.4818+130.4000/+30.4800+130.3951/+30.4690+130.3800/+30.4624+130.3600/+30.4600+130.3487/+30.4529+130.3400/+30.4432+130.3200/+30.4408+130.3000/+30.4400+130.2937/+30.4273+130.2800/+30.4206+130.2600/+30.4201+130.2400/+30.4200+130.2200/+30.4328+130.2000/+30.4400+130.1928/+30.4500+130.2000/+30.4600+130.2000/+30.4799+130.2200/+30.4800+130.2211/+30.4988+130.2400/+30.5000+130.2593/+30.5007+130.2600/+30.5188+130.2800/+30.5200+130.2870/+30.5326+130.3000/+30.5388+130.3200/+30.5400+130.3252/+30.5529+130.3400/+30.5596+130.3600/+30.5600+130.3613/+30.5726+130.3800/+30.5754+130.4000/+30.5800+130.4175/+30.5818+130.4200/+30.5887+130.4400/+30.5937+130.4600/+30.5979+130.4800/+30.5996+130.5000/+30.6000+130.5054/+30.6024+130.5200/ 北東 50 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4611+130.2200/+30.4600+130.2313/+30.4577+130.2400/+30.4400+130.2455/+30.4351+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4600+130.2189/+30.4611+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-14T18:00:00+09:00 2026-07-14T21:00:00+09:00 降灰 70 +30.5834+130.4600/+30.5878+130.4800/+30.5890+130.5000/+30.5876+130.5200/+30.5866+130.5400/+30.5839+130.5600/+30.5800+130.5728/+30.5777+130.5800/+30.5722+130.6000/+30.5680+130.6200/+30.5600+130.6360/+30.5578+130.6400/+30.5500+130.6600/+30.5423+130.6800/+30.5400+130.6858/+30.5339+130.7000/+30.5240+130.7200/+30.5200+130.7232/+30.5117+130.7200/+30.5000+130.7093/+30.4905+130.7000/+30.4800+130.6890/+30.4767+130.6800/+30.4773+130.6600/+30.4782+130.6400/+30.4800+130.6362/+30.4848+130.6200/+30.4869+130.6000/+30.4872+130.5800/+30.4899+130.5600/+30.4910+130.5400/+30.4985+130.5200/+30.5000+130.5119/+30.5006+130.5000/+30.5000+130.4899/+30.4980+130.4800/+30.4928+130.4600/+30.4851+130.4400/+30.4828+130.4200/+30.4800+130.4017/+30.4790+130.4000/+30.4650+130.3800/+30.4608+130.3600/+30.4600+130.3555/+30.4490+130.3400/+30.4422+130.3200/+30.4405+130.3000/+30.4400+130.2941/+30.4270+130.2800/+30.4205+130.2600/+30.4200+130.2400/+30.4200+130.2200/+30.4400+130.2000/+30.4600+130.2001/+30.4799+130.2200/+30.4800+130.2221/+30.4979+130.2400/+30.4998+130.2600/+30.5000+130.2616/+30.5173+130.2800/+30.5200+130.2980/+30.5220+130.3000/+30.5368+130.3200/+30.5400+130.3400/+30.5400+130.3401/+30.5538+130.3600/+30.5577+130.3800/+30.5600+130.3925/+30.5651+130.4000/+30.5746+130.4200/+30.5787+130.4400/+30.5800+130.4493/+30.5834+130.4600/ 東 50 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4597+130.2200/+30.4534+130.2400/+30.4400+130.2476/+30.4332+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4597+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-14T21:00:00+09:00 2026-07-15T00:00:00+09:00 降灰 70 +30.6223+130.5000/+30.6269+130.5200/+30.6284+130.5400/+30.6291+130.5600/+30.6285+130.5800/+30.6293+130.6000/+30.6282+130.6200/+30.6267+130.6400/+30.6243+130.6600/+30.6214+130.6800/+30.6200+130.6881/+30.6177+130.7000/+30.6113+130.7200/+30.6038+130.7400/+30.6000+130.7495/+30.5893+130.7400/+30.5800+130.7289/+30.5689+130.7200/+30.5600+130.7139/+30.5563+130.7000/+30.5521+130.6800/+30.5512+130.6600/+30.5503+130.6400/+30.5471+130.6200/+30.5496+130.6000/+30.5477+130.5800/+30.5461+130.5600/+30.5442+130.5400/+30.5422+130.5200/+30.5419+130.5000/+30.5400+130.4861/+30.5374+130.4800/+30.5278+130.4600/+30.5222+130.4400/+30.5200+130.4296/+30.5128+130.4200/+30.5030+130.4000/+30.5000+130.3836/+30.4967+130.3800/+30.4823+130.3600/+30.4800+130.3468/+30.4734+130.3400/+30.4612+130.3200/+30.4600+130.3096/+30.4505+130.3000/+30.4404+130.2800/+30.4400+130.2774/+30.4226+130.2600/+30.4201+130.2400/+30.4200+130.2200/+30.4400+130.2000/+30.4600+130.2001/+30.4799+130.2200/+30.4800+130.2208/+30.4992+130.2400/+30.5000+130.2537/+30.5063+130.2600/+30.5192+130.2800/+30.5200+130.2848/+30.5346+130.3000/+30.5397+130.3200/+30.5400+130.3216/+30.5551+130.3400/+30.5600+130.3578/+30.5618+130.3600/+30.5756+130.3800/+30.5800+130.3988/+30.5809+130.4000/+30.5933+130.4200/+30.5985+130.4400/+30.6000+130.4547/+30.6044+130.4600/+30.6176+130.4800/+30.6200+130.4922/+30.6223+130.5000/ 北東 50 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4682+130.2200/+30.4651+130.2400/+30.4600+130.2462/+30.4400+130.2496/+30.4304+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4600+130.2118/+30.4682+130.2200/ 北東 3 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、１４日０９時から１２時までは火口から北東方向、１４日２１時から２４時までは火口から北東方向に降灰が予想されます。 　１４日６時から１４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 　１４日０６時から０９時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１４日０９時から１２時まで　北東　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１４日１２時から１５時まで　北東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１４日１５時から１８時まで　北東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１４日１８時から２１時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　１４日２１時から２４時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　 　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。