2026-07-15T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-15T17:00:00+09:00 2026-07-15T18:00:00+09:00 2026-07-16T12:00:00+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、１５日２１時から２４時までは火口から東方向、１６日０９時から１２時までは火口から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 鹿児島県中種子町 4650100 鹿児島県南種子町 4650200 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 鹿児島県中種子町 4650100 鹿児島県南種子町 4650200 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 2026-07-15T18:00:00+09:00 2026-07-15T21:00:00+09:00 降灰 70 +30.5417+130.5200/+30.5417+130.5400/+30.5427+130.5600/+30.5444+130.5800/+30.5401+130.6000/+30.5443+130.6200/+30.5400+130.6354/+30.5384+130.6400/+30.5314+130.6600/+30.5200+130.6788/+30.5196+130.6800/+30.5160+130.7000/+30.5106+130.7200/+30.5005+130.7400/+30.5000+130.7406/+30.4890+130.7600/+30.4800+130.7786/+30.4792+130.7800/+30.4673+130.8000/+30.4600+130.8130/+30.4546+130.8200/+30.4400+130.8387/+30.4390+130.8400/+30.4254+130.8600/+30.4200+130.8673/+30.4098+130.8800/+30.4000+130.8910/+30.3839+130.8800/+30.3800+130.8761/+30.3687+130.8600/+30.3637+130.8400/+30.3632+130.8200/+30.3628+130.8000/+30.3663+130.7800/+30.3691+130.7600/+30.3730+130.7400/+30.3769+130.7200/+30.3800+130.7145/+30.3912+130.7000/+30.4000+130.6920/+30.4069+130.6800/+30.4121+130.6600/+30.4175+130.6400/+30.4200+130.6368/+30.4291+130.6200/+30.4333+130.6000/+30.4355+130.5800/+30.4400+130.5668/+30.4414+130.5600/+30.4431+130.5400/+30.4498+130.5200/+30.4485+130.5000/+30.4475+130.4800/+30.4468+130.4600/+30.4443+130.4400/+30.4418+130.4200/+30.4405+130.4000/+30.4400+130.3929/+30.4317+130.3800/+30.4244+130.3600/+30.4222+130.3400/+30.4209+130.3200/+30.4204+130.3000/+30.4202+130.2800/+30.4201+130.2600/+30.4200+130.2400/+30.4201+130.2200/+30.4400+130.2001/+30.4600+130.2002/+30.4798+130.2200/+30.4799+130.2400/+30.4799+130.2600/+30.4800+130.2705/+30.4893+130.2800/+30.4981+130.3000/+30.4991+130.3200/+30.4996+130.3400/+30.5000+130.3466/+30.5104+130.3600/+30.5159+130.3800/+30.5183+130.4000/+30.5200+130.4140/+30.5246+130.4200/+30.5318+130.4400/+30.5347+130.4600/+30.5365+130.4800/+30.5382+130.5000/+30.5400+130.5171/+30.5417+130.5200/ 東 60 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4581+130.2400/+30.4448+130.2600/+30.4400+130.2648/+30.4364+130.2600/+30.4226+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 4 鹿児島県屋久島町 4650500 2026-07-15T21:00:00+09:00 2026-07-16T00:00:00+09:00 降灰 70 +30.5422+130.6200/+30.5400+130.6302/+30.5373+130.6400/+30.5316+130.6600/+30.5222+130.6800/+30.5200+130.6850/+30.5172+130.7000/+30.5122+130.7200/+30.5108+130.7400/+30.5000+130.7565/+30.4981+130.7600/+30.4903+130.7800/+30.4844+130.8000/+30.4800+130.8192/+30.4798+130.8200/+30.4744+130.8400/+30.4659+130.8600/+30.4600+130.8682/+30.4445+130.8800/+30.4400+130.8832/+30.4200+130.8984/+30.4185+130.9000/+30.4058+130.9200/+30.4000+130.9279/+30.3940+130.9200/+30.3834+130.9000/+30.3800+130.8885/+30.3780+130.8800/+30.3745+130.8600/+30.3765+130.8400/+30.3800+130.8308/+30.3847+130.8200/+30.3955+130.8000/+30.4000+130.7931/+30.4058+130.7800/+30.4122+130.7600/+30.4162+130.7400/+30.4200+130.7258/+30.4214+130.7200/+30.4254+130.7000/+30.4306+130.6800/+30.4362+130.6600/+30.4400+130.6495/+30.4410+130.6400/+30.4423+130.6200/+30.4444+130.6000/+30.4453+130.5800/+30.4466+130.5600/+30.4466+130.5400/+30.4600+130.5204/+30.4601+130.5200/+30.4600+130.5174/+30.4571+130.5000/+30.4498+130.4800/+30.4444+130.4600/+30.4419+130.4400/+30.4409+130.4200/+30.4400+130.4081/+30.4336+130.4000/+30.4251+130.3800/+30.4219+130.3600/+30.4209+130.3400/+30.4205+130.3200/+30.4202+130.3000/+30.4201+130.2800/+30.4201+130.2600/+30.4200+130.2400/+30.4201+130.2200/+30.4400+130.2001/+30.4600+130.2003/+30.4797+130.2200/+30.4799+130.2400/+30.4799+130.2600/+30.4799+130.2800/+30.4800+130.2885/+30.4903+130.3000/+30.4971+130.3200/+30.4985+130.3400/+30.4992+130.3600/+30.5000+130.3724/+30.5056+130.3800/+30.5123+130.4000/+30.5164+130.4200/+30.5183+130.4400/+30.5198+130.4600/+30.5200+130.4613/+30.5296+130.4800/+30.5325+130.5000/+30.5368+130.5200/+30.5372+130.5400/+30.5374+130.5600/+30.5371+130.5800/+30.5360+130.6000/+30.5400+130.6159/+30.5422+130.6200/ 東 70 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4569+130.2400/+30.4400+130.2593/+30.4237+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-16T00:00:00+09:00 2026-07-16T03:00:00+09:00 降灰 70 +30.5480+130.6200/+30.5447+130.6400/+30.5423+130.6600/+30.5400+130.6748/+30.5391+130.6800/+30.5335+130.7000/+30.5244+130.7200/+30.5225+130.7400/+30.5200+130.7480/+30.5155+130.7600/+30.5089+130.7800/+30.5002+130.8000/+30.5000+130.8004/+30.4899+130.8200/+30.4844+130.8400/+30.4800+130.8549/+30.4786+130.8600/+30.4697+130.8800/+30.4600+130.8982/+30.4569+130.9000/+30.4400+130.9089/+30.4206+130.9000/+30.4200+130.8993/+30.4114+130.8800/+30.4079+130.8600/+30.4121+130.8400/+30.4200+130.8213/+30.4205+130.8200/+30.4271+130.8000/+30.4329+130.7800/+30.4395+130.7600/+30.4400+130.7580/+30.4461+130.7400/+30.4512+130.7200/+30.4512+130.7000/+30.4512+130.6800/+30.4528+130.6600/+30.4544+130.6400/+30.4600+130.6228/+30.4607+130.6200/+30.4605+130.6000/+30.4600+130.5889/+30.4593+130.5800/+30.4576+130.5600/+30.4549+130.5400/+30.4600+130.5348/+30.4644+130.5200/+30.4622+130.5000/+30.4604+130.4800/+30.4600+130.4779/+30.4473+130.4600/+30.4429+130.4400/+30.4413+130.4200/+30.4403+130.4000/+30.4400+130.3940/+30.4318+130.3800/+30.4237+130.3600/+30.4216+130.3400/+30.4207+130.3200/+30.4203+130.3000/+30.4201+130.2800/+30.4201+130.2600/+30.4200+130.2400/+30.4201+130.2200/+30.4400+130.2001/+30.4600+130.2002/+30.4798+130.2200/+30.4799+130.2400/+30.4799+130.2600/+30.4799+130.2800/+30.4800+130.2948/+30.4850+130.3000/+30.4968+130.3200/+30.4985+130.3400/+30.4990+130.3600/+30.5000+130.3800/+30.5000+130.3807/+30.5122+130.4000/+30.5162+130.4200/+30.5178+130.4400/+30.5191+130.4600/+30.5200+130.4700/+30.5255+130.4800/+30.5318+130.5000/+30.5371+130.5200/+30.5378+130.5400/+30.5385+130.5600/+30.5394+130.5800/+30.5390+130.6000/+30.5400+130.6040/+30.5480+130.6200/ 東 70 鹿児島県中種子町 4650100 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4562+130.2400/+30.4400+130.2580/+30.4247+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-16T03:00:00+09:00 2026-07-16T06:00:00+09:00 降灰 70 +30.5314+130.5200/+30.5314+130.5400/+30.5319+130.5600/+30.5327+130.5800/+30.5313+130.6000/+30.5362+130.6200/+30.5299+130.6400/+30.5228+130.6600/+30.5200+130.6658/+30.5171+130.6800/+30.5135+130.7000/+30.5090+130.7200/+30.5093+130.7400/+30.5000+130.7584/+30.4987+130.7600/+30.4902+130.7800/+30.4847+130.8000/+30.4807+130.8200/+30.4800+130.8237/+30.4771+130.8400/+30.4719+130.8600/+30.4626+130.8800/+30.4600+130.8845/+30.4400+130.8985/+30.4200+130.8979/+30.4000+130.8902/+30.3994+130.8800/+30.3984+130.8600/+30.4000+130.8522/+30.4026+130.8400/+30.4097+130.8200/+30.4143+130.8000/+30.4189+130.7800/+30.4200+130.7747/+30.4228+130.7600/+30.4257+130.7400/+30.4357+130.7200/+30.4400+130.7003/+30.4400+130.7000/+30.4419+130.6800/+30.4437+130.6600/+30.4450+130.6400/+30.4459+130.6200/+30.4465+130.6000/+30.4462+130.5800/+30.4466+130.5600/+30.4451+130.5400/+30.4507+130.5200/+30.4456+130.5000/+30.4427+130.4800/+30.4411+130.4600/+30.4400+130.4411/+30.4394+130.4400/+30.4284+130.4200/+30.4239+130.4000/+30.4219+130.3800/+30.4210+130.3600/+30.4205+130.3400/+30.4203+130.3200/+30.4202+130.3000/+30.4201+130.2800/+30.4200+130.2600/+30.4200+130.2400/+30.4201+130.2200/+30.4400+130.2001/+30.4600+130.2003/+30.4797+130.2200/+30.4799+130.2400/+30.4799+130.2600/+30.4798+130.2800/+30.4798+130.3000/+30.4798+130.3200/+30.4800+130.3290/+30.4889+130.3400/+30.4948+130.3600/+30.4975+130.3800/+30.4984+130.4000/+30.4994+130.4200/+30.5000+130.4330/+30.5039+130.4400/+30.5111+130.4600/+30.5148+130.4800/+30.5172+130.5000/+30.5200+130.5071/+30.5314+130.5200/ 東 60 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4538+130.2400/+30.4400+130.2565/+30.4262+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-16T06:00:00+09:00 2026-07-16T09:00:00+09:00 降灰 70 +30.5059+130.5200/+30.5143+130.5400/+30.5142+130.5600/+30.5140+130.5800/+30.5130+130.6000/+30.5112+130.6200/+30.5098+130.6400/+30.5051+130.6600/+30.5000+130.6734/+30.4964+130.6800/+30.4890+130.7000/+30.4800+130.7156/+30.4782+130.7200/+30.4787+130.7400/+30.4741+130.7600/+30.4673+130.7800/+30.4600+130.7958/+30.4569+130.8000/+30.4469+130.8200/+30.4400+130.8336/+30.4371+130.8400/+30.4275+130.8600/+30.4200+130.8711/+30.4129+130.8800/+30.4000+130.8932/+30.3800+130.8813/+30.3786+130.8800/+30.3651+130.8600/+30.3640+130.8400/+30.3681+130.8200/+30.3710+130.8000/+30.3748+130.7800/+30.3784+130.7600/+30.3800+130.7539/+30.3838+130.7400/+30.3963+130.7200/+30.4000+130.7148/+30.4058+130.7000/+30.4121+130.6800/+30.4128+130.6600/+30.4133+130.6400/+30.4200+130.6303/+30.4239+130.6200/+30.4246+130.6000/+30.4237+130.5800/+30.4228+130.5600/+30.4208+130.5400/+30.4200+130.5236/+30.4195+130.5200/+30.4200+130.5188/+30.4220+130.5000/+30.4213+130.4800/+30.4202+130.4600/+30.4200+130.4400/+30.4200+130.4378/+30.4174+130.4200/+30.4173+130.4000/+30.4081+130.3800/+30.4061+130.3600/+30.4057+130.3400/+30.4044+130.3200/+30.4042+130.3000/+30.4063+130.2800/+30.4140+130.2600/+30.4200+130.2471/+30.4200+130.2400/+30.4201+130.2200/+30.4400+130.2001/+30.4600+130.2004/+30.4796+130.2200/+30.4799+130.2400/+30.4798+130.2600/+30.4797+130.2800/+30.4795+130.3000/+30.4794+130.3200/+30.4794+130.3400/+30.4795+130.3600/+30.4800+130.3800/+30.4800+130.3807/+30.4905+130.4000/+30.4936+130.4200/+30.4962+130.4400/+30.4980+130.4600/+30.4985+130.4800/+30.4992+130.5000/+30.5000+130.5100/+30.5059+130.5200/ 東 60 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4545+130.2400/+30.4400+130.2571/+30.4255+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 2 鹿児島県屋久島町 4650500 2026-07-16T09:00:00+09:00 2026-07-16T12:00:00+09:00 降灰 70 +30.4830+130.4600/+30.4825+130.4800/+30.4899+130.5000/+30.4903+130.5200/+30.4954+130.5400/+30.4940+130.5600/+30.4937+130.5800/+30.4901+130.6000/+30.4843+130.6200/+30.4811+130.6400/+30.4800+130.6419/+30.4741+130.6600/+30.4671+130.6800/+30.4623+130.7000/+30.4600+130.7086/+30.4566+130.7200/+30.4463+130.7400/+30.4400+130.7546/+30.4383+130.7600/+30.4326+130.7800/+30.4280+130.8000/+30.4209+130.8200/+30.4200+130.8221/+30.4111+130.8400/+30.4000+130.8569/+30.3960+130.8600/+30.3800+130.8772/+30.3780+130.8800/+30.3673+130.9000/+30.3600+130.9103/+30.3400+130.9144/+30.3282+130.9000/+30.3271+130.8800/+30.3263+130.8600/+30.3291+130.8400/+30.3358+130.8200/+30.3400+130.8084/+30.3438+130.8000/+30.3562+130.7800/+30.3600+130.7734/+30.3652+130.7600/+30.3710+130.7400/+30.3785+130.7200/+30.3800+130.7152/+30.3860+130.7000/+30.3987+130.6800/+30.4000+130.6764/+30.4036+130.6600/+30.4060+130.6400/+30.4057+130.6200/+30.4066+130.6000/+30.4064+130.5800/+30.4004+130.5600/+30.4000+130.5587/+30.3929+130.5400/+30.4000+130.5333/+30.4028+130.5200/+30.4022+130.5000/+30.4011+130.4800/+30.4002+130.4600/+30.4005+130.4400/+30.4010+130.4200/+30.4007+130.4000/+30.4007+130.3800/+30.4007+130.3600/+30.4007+130.3400/+30.4005+130.3200/+30.4005+130.3000/+30.4005+130.2800/+30.4007+130.2600/+30.4021+130.2400/+30.4200+130.2216/+30.4200+130.2200/+30.4400+130.2001/+30.4600+130.2005/+30.4795+130.2200/+30.4797+130.2400/+30.4794+130.2600/+30.4787+130.2800/+30.4781+130.3000/+30.4777+130.3200/+30.4774+130.3400/+30.4774+130.3600/+30.4777+130.3800/+30.4780+130.4000/+30.4786+130.4200/+30.4795+130.4400/+30.4800+130.4511/+30.4830+130.4600/ 東 70 鹿児島県南種子町 4650200 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4588+130.2200/+30.4536+130.2400/+30.4400+130.2565/+30.4264+130.2400/+30.4212+130.2200/+30.4400+130.2012/+30.4588+130.2200/ 東 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、１５日２１時から２４時までは火口から東方向、１６日０９時から１２時までは火口から東方向に降灰が予想されます。 　１５日１８時から１６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 　１５日１８時から２１時まで　東　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１５日２１時から２４時まで　東　　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　１６日００時から０３時まで　東　　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　１６日０３時から０６時まで　東　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１６日０６時から０９時まで　東　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１６日０９時から１２時まで　東　　　　　　　７０ｋｍ　　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：南種子町、屋久島町、中種子町 　 　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。