2026-07-30T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-30T17:00:00+09:00 2026-07-30T18:00:00+09:00 2026-07-31T12:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、３０日２１時から２４時までは火口から南東方向、３１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 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 鹿児島県南種子町 4650200 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 鹿児島県南種子町 4650200 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-07-30T18:00:00+09:00 2026-07-30T21:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8198+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7892+130.3600/+30.7800+130.3692/+30.7760+130.3800/+30.7600+130.3960/+30.7578+130.4000/+30.7400+130.4180/+30.7387+130.4200/+30.7200+130.4396/+30.7197+130.4400/+30.7124+130.4600/+30.7000+130.4732/+30.6968+130.4800/+30.6800+130.4985/+30.6789+130.5000/+30.6683+130.5200/+30.6600+130.5292/+30.6558+130.5400/+30.6422+130.5600/+30.6400+130.5671/+30.6373+130.5800/+30.6276+130.6000/+30.6200+130.6108/+30.6133+130.6200/+30.6000+130.6321/+30.5934+130.6400/+30.5873+130.6600/+30.5800+130.6726/+30.5746+130.6800/+30.5600+130.6984/+30.5587+130.7000/+30.5441+130.7200/+30.5400+130.7271/+30.5273+130.7400/+30.5200+130.7516/+30.5146+130.7600/+30.5000+130.7772/+30.4900+130.7800/+30.4800+130.7850/+30.4686+130.8000/+30.4600+130.8140/+30.4491+130.8200/+30.4400+130.8297/+30.4315+130.8200/+30.4299+130.8000/+30.4367+130.7800/+30.4400+130.7665/+30.4423+130.7600/+30.4526+130.7400/+30.4600+130.7288/+30.4638+130.7200/+30.4686+130.7000/+30.4800+130.6851/+30.4828+130.6800/+30.4914+130.6600/+30.5000+130.6426/+30.5014+130.6400/+30.5130+130.6200/+30.5200+130.6128/+30.5256+130.6000/+30.5368+130.5800/+30.5400+130.5758/+30.5449+130.5600/+30.5534+130.5400/+30.5600+130.5306/+30.5653+130.5200/+30.5756+130.5000/+30.5800+130.4963/+30.6000+130.4822/+30.6009+130.4800/+30.6163+130.4600/+30.6200+130.4561/+30.6276+130.4400/+30.6400+130.4273/+30.6443+130.4200/+30.6600+130.4040/+30.6624+130.4000/+30.6800+130.3824/+30.6813+130.3800/+30.7000+130.3612/+30.7006+130.3600/+30.7200+130.3406/+30.7202+130.3400/+30.7400+130.3202/+30.7401+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2802/+30.8000+130.2803/+30.8197+130.3000/ +30.4245+130.8400/+30.4200+130.8435/+30.4118+130.8600/+30.4000+130.8690/+30.3940+130.8600/+30.3956+130.8400/+30.4000+130.8338/+30.4200+130.8363/+30.4245+130.8400/ 南東 70 鹿児島県三島村 4630300 鹿児島県南種子町 4650200 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3387/+30.7800+130.3396/+30.7609+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T21:00:00+09:00 2026-07-31T00:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7999+130.3400/+30.7800+130.3600/+30.7799+130.3600/+30.7699+130.3800/+30.7600+130.3899/+30.7549+130.4000/+30.7400+130.4149/+30.7372+130.4200/+30.7200+130.4376/+30.7183+130.4400/+30.7000+130.4588/+30.6990+130.4600/+30.6877+130.4800/+30.6800+130.4881/+30.6749+130.5000/+30.6600+130.5172/+30.6584+130.5200/+30.6449+130.5400/+30.6400+130.5454/+30.6345+130.5600/+30.6269+130.5800/+30.6200+130.5910/+30.6139+130.6000/+30.6000+130.6133/+30.5953+130.6200/+30.5806+130.6400/+30.5800+130.6418/+30.5716+130.6600/+30.5600+130.6686/+30.5468+130.6800/+30.5400+130.6949/+30.5372+130.7000/+30.5227+130.7200/+30.5200+130.7237/+30.5036+130.7400/+30.5000+130.7442/+30.4800+130.7544/+30.4749+130.7600/+30.4600+130.7723/+30.4400+130.7742/+30.4329+130.7600/+30.4371+130.7400/+30.4400+130.7359/+30.4560+130.7200/+30.4600+130.7132/+30.4647+130.7000/+30.4728+130.6800/+30.4800+130.6713/+30.4866+130.6600/+30.4931+130.6400/+30.5000+130.6243/+30.5024+130.6200/+30.5200+130.6003/+30.5201+130.6000/+30.5304+130.5800/+30.5400+130.5698/+30.5441+130.5600/+30.5536+130.5400/+30.5600+130.5318/+30.5658+130.5200/+30.5765+130.5000/+30.5800+130.4970/+30.6000+130.4875/+30.6035+130.4800/+30.6200+130.4631/+30.6218+130.4600/+30.6400+130.4405/+30.6402+130.4400/+30.6522+130.4200/+30.6600+130.4122/+30.6659+130.4000/+30.6800+130.3858/+30.6829+130.3800/+30.7000+130.3628/+30.7011+130.3600/+30.7200+130.3411/+30.7204+130.3400/+30.7400+130.3204/+30.7401+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8181+130.3200/+30.8000+130.3381/+30.7800+130.3388/+30.7613+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-31T00:00:00+09:00 2026-07-31T03:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7800+130.3599/+30.7799+130.3600/+30.7664+130.3800/+30.7600+130.3864/+30.7530+130.4000/+30.7400+130.4131/+30.7356+130.4200/+30.7200+130.4358/+30.7167+130.4400/+30.7000+130.4573/+30.6979+130.4600/+30.6800+130.4790/+30.6790+130.4800/+30.6627+130.5000/+30.6600+130.5029/+30.6518+130.5200/+30.6400+130.5339/+30.6358+130.5400/+30.6286+130.5600/+30.6200+130.5723/+30.6097+130.5800/+30.6000+130.5919/+30.5957+130.6000/+30.5838+130.6200/+30.5800+130.6250/+30.5663+130.6400/+30.5600+130.6499/+30.5499+130.6600/+30.5400+130.6704/+30.5313+130.6800/+30.5200+130.6926/+30.5000+130.6988/+30.4800+130.6966/+30.4706+130.6800/+30.4800+130.6611/+30.4809+130.6600/+30.4886+130.6400/+30.4944+130.6200/+30.4998+130.6000/+30.5000+130.5996/+30.5140+130.5800/+30.5200+130.5743/+30.5297+130.5600/+30.5400+130.5499/+30.5442+130.5400/+30.5540+130.5200/+30.5600+130.5106/+30.5653+130.5000/+30.5800+130.4887/+30.5912+130.4800/+30.6000+130.4713/+30.6097+130.4600/+30.6200+130.4492/+30.6255+130.4400/+30.6400+130.4254/+30.6439+130.4200/+30.6600+130.4040/+30.6626+130.4000/+30.6800+130.3826/+30.6817+130.3800/+30.7000+130.3618/+30.7009+130.3600/+30.7200+130.3408/+30.7203+130.3400/+30.7400+130.3203/+30.7401+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8178+130.3200/+30.8000+130.3378/+30.7800+130.3381/+30.7618+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-31T03:00:00+09:00 2026-07-31T06:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7999+130.3400/+30.7800+130.3599/+30.7797+130.3600/+30.7600+130.3798/+30.7596+130.3800/+30.7400+130.3997/+30.7397+130.4000/+30.7221+130.4200/+30.7200+130.4221/+30.7077+130.4400/+30.7000+130.4479/+30.6930+130.4600/+30.6800+130.4739/+30.6754+130.4800/+30.6600+130.4966/+30.6574+130.5000/+30.6400+130.5192/+30.6393+130.5200/+30.6215+130.5400/+30.6200+130.5484/+30.6185+130.5600/+30.6000+130.5765/+30.5966+130.5800/+30.5854+130.6000/+30.5800+130.6072/+30.5674+130.6200/+30.5600+130.6275/+30.5462+130.6400/+30.5400+130.6496/+30.5307+130.6600/+30.5200+130.6682/+30.5000+130.6768/+30.4965+130.6800/+30.4800+130.6916/+30.4660+130.6800/+30.4676+130.6600/+30.4668+130.6400/+30.4795+130.6200/+30.4800+130.6194/+30.4872+130.6000/+30.4960+130.5800/+30.5000+130.5735/+30.5096+130.5600/+30.5200+130.5484/+30.5249+130.5400/+30.5400+130.5265/+30.5438+130.5200/+30.5546+130.5000/+30.5600+130.4935/+30.5800+130.4818/+30.5813+130.4800/+30.6000+130.4613/+30.6009+130.4600/+30.6166+130.4400/+30.6200+130.4366/+30.6362+130.4200/+30.6400+130.4163/+30.6529+130.4000/+30.6600+130.3930/+30.6735+130.3800/+30.6800+130.3735/+30.6932+130.3600/+30.7000+130.3532/+30.7162+130.3400/+30.7200+130.3362/+30.7396+130.3200/+30.7400+130.3196/+30.7600+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8178+130.3200/+30.8000+130.3378/+30.7800+130.3384/+30.7616+130.3200/+30.7616+130.3000/+30.7800+130.2816/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-31T06:00:00+09:00 2026-07-31T09:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7932+130.3600/+30.7800+130.3732/+30.7765+130.3800/+30.7600+130.3966/+30.7577+130.4000/+30.7400+130.4182/+30.7387+130.4200/+30.7215+130.4400/+30.7200+130.4415/+30.7096+130.4600/+30.7000+130.4707/+30.6952+130.4800/+30.6800+130.4988/+30.6791+130.5000/+30.6651+130.5200/+30.6600+130.5254/+30.6506+130.5400/+30.6400+130.5534/+30.6349+130.5600/+30.6243+130.5800/+30.6200+130.5866/+30.6115+130.6000/+30.6000+130.6127/+30.5934+130.6200/+30.5800+130.6357/+30.5750+130.6400/+30.5600+130.6576/+30.5542+130.6600/+30.5400+130.6688/+30.5304+130.6800/+30.5200+130.6932/+30.5000+130.6902/+30.4897+130.6800/+30.4977+130.6600/+30.4998+130.6400/+30.5000+130.6394/+30.5080+130.6200/+30.5173+130.6000/+30.5200+130.5966/+30.5276+130.5800/+30.5400+130.5646/+30.5425+130.5600/+30.5499+130.5400/+30.5585+130.5200/+30.5600+130.5176/+30.5695+130.5000/+30.5800+130.4920/+30.5930+130.4800/+30.6000+130.4701/+30.6043+130.4600/+30.6200+130.4444/+30.6233+130.4400/+30.6400+130.4235/+30.6420+130.4200/+30.6600+130.4013/+30.6608+130.4000/+30.6800+130.3804/+30.6802+130.3800/+30.7000+130.3604/+30.7002+130.3600/+30.7200+130.3402/+30.7201+130.3400/+30.7400+130.3201/+30.7400+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8166+130.3200/+30.8000+130.3366/+30.7800+130.3380/+30.7619+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-31T09:00:00+09:00 2026-07-31T12:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8159+130.3400/+30.8000+130.3559/+30.7995+130.3600/+30.7800+130.3797/+30.7798+130.3800/+30.7778+130.4000/+30.7600+130.4186/+30.7596+130.4200/+30.7555+130.4400/+30.7400+130.4575/+30.7392+130.4600/+30.7347+130.4800/+30.7200+130.4988/+30.7196+130.5000/+30.7139+130.5200/+30.7017+130.5400/+30.7000+130.5420/+30.6931+130.5600/+30.6800+130.5780/+30.6789+130.5800/+30.6787+130.6000/+30.6653+130.6200/+30.6600+130.6258/+30.6527+130.6400/+30.6431+130.6600/+30.6400+130.6648/+30.6248+130.6800/+30.6200+130.6874/+30.6105+130.7000/+30.6000+130.7098/+30.5800+130.7164/+30.5756+130.7200/+30.5600+130.7354/+30.5500+130.7200/+30.5515+130.7000/+30.5526+130.6800/+30.5600+130.6664/+30.5625+130.6600/+30.5668+130.6400/+30.5751+130.6200/+30.5800+130.6110/+30.5850+130.6000/+30.6000+130.5812/+30.6005+130.5800/+30.6059+130.5600/+30.6200+130.5460/+30.6233+130.5400/+30.6316+130.5200/+30.6400+130.5075/+30.6417+130.5000/+30.6495+130.4800/+30.6600+130.4673/+30.6621+130.4600/+30.6761+130.4400/+30.6800+130.4358/+30.6831+130.4200/+30.7000+130.4020/+30.7004+130.4000/+30.7052+130.3800/+30.7200+130.3650/+30.7206+130.3600/+30.7400+130.3401/+30.7400+130.3400/+30.7406+130.3200/+30.7600+130.3006/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8179+130.3200/+30.8000+130.3379/+30.7800+130.3383/+30.7626+130.3200/+30.7624+130.3000/+30.7800+130.2824/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、３０日２１時から２４時までは火口から南東方向、３１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。 　３０日１８時から３１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 　３０日１８時から２１時まで　南東　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　３０日２１時から２４時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３１日００時から０３時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日０３時から０６時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日０６時から０９時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日０９時から１２時まで　南東　　　　　　５０ｋｍ　　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：三島村、南種子町 　 　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。