2026-07-29T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-30T05:00:00+09:00 2026-07-30T06:00:00+09:00 2026-07-31T00:00:00+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０９時から１２時までは火口から南東方向、３０日２１時から２４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 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 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-07-30T06:00:00+09:00 2026-07-30T09:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8181+130.3400/+30.8000+130.3581/+30.7998+130.3600/+30.7914+130.3800/+30.7800+130.3914/+30.7791+130.4000/+30.7640+130.4200/+30.7600+130.4240/+30.7580+130.4400/+30.7409+130.4600/+30.7400+130.4610/+30.7367+130.4800/+30.7200+130.4997/+30.7199+130.5000/+30.7153+130.5200/+30.7030+130.5400/+30.7000+130.5437/+30.6938+130.5600/+30.6821+130.5800/+30.6813+130.6000/+30.6800+130.6019/+30.6669+130.6200/+30.6600+130.6273/+30.6546+130.6400/+30.6477+130.6600/+30.6400+130.6736/+30.6343+130.6800/+30.6239+130.7000/+30.6200+130.7070/+30.6112+130.7200/+30.6000+130.7356/+30.5913+130.7400/+30.5800+130.7504/+30.5629+130.7600/+30.5600+130.7627/+30.5517+130.7600/+30.5421+130.7400/+30.5457+130.7200/+30.5515+130.7000/+30.5577+130.6800/+30.5600+130.6766/+30.5661+130.6600/+30.5724+130.6400/+30.5800+130.6221/+30.5807+130.6200/+30.5888+130.6000/+30.6000+130.5870/+30.6022+130.5800/+30.6065+130.5600/+30.6200+130.5455/+30.6229+130.5400/+30.6313+130.5200/+30.6400+130.5101/+30.6432+130.5000/+30.6577+130.4800/+30.6600+130.4774/+30.6640+130.4600/+30.6800+130.4426/+30.6808+130.4400/+30.6875+130.4200/+30.7000+130.4071/+30.7012+130.4000/+30.7200+130.3801/+30.7200+130.3800/+30.7215+130.3600/+30.7400+130.3414/+30.7401+130.3400/+30.7413+130.3200/+30.7600+130.3013/+30.7602+130.3000/+30.7800+130.2802/+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/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3385/+30.7628+130.3200/+30.7620+130.3000/+30.7800+130.2820/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T09:00:00+09:00 2026-07-30T12:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8165+130.3400/+30.8000+130.3565/+30.7995+130.3600/+30.7800+130.3798/+30.7799+130.3800/+30.7774+130.4000/+30.7600+130.4181/+30.7594+130.4200/+30.7543+130.4400/+30.7400+130.4552/+30.7383+130.4600/+30.7289+130.4800/+30.7200+130.4904/+30.7174+130.5000/+30.7091+130.5200/+30.7000+130.5311/+30.6956+130.5400/+30.6815+130.5600/+30.6800+130.5621/+30.6748+130.5800/+30.6694+130.6000/+30.6600+130.6091/+30.6529+130.6200/+30.6400+130.6387/+30.6388+130.6400/+30.6263+130.6600/+30.6200+130.6723/+30.6157+130.6800/+30.6048+130.7000/+30.6000+130.7060/+30.5878+130.7200/+30.5800+130.7320/+30.5746+130.7400/+30.5600+130.7570/+30.5509+130.7600/+30.5400+130.7657/+30.5241+130.7600/+30.5200+130.7440/+30.5196+130.7400/+30.5176+130.7200/+30.5200+130.7160/+30.5290+130.7000/+30.5341+130.6800/+30.5400+130.6625/+30.5409+130.6600/+30.5500+130.6400/+30.5600+130.6244/+30.5615+130.6200/+30.5691+130.6000/+30.5792+130.5800/+30.5800+130.5786/+30.5899+130.5600/+30.6000+130.5485/+30.6047+130.5400/+30.6197+130.5200/+30.6200+130.5196/+30.6282+130.5000/+30.6400+130.4852/+30.6417+130.4800/+30.6571+130.4600/+30.6600+130.4567/+30.6654+130.4400/+30.6800+130.4240/+30.6811+130.4200/+30.6944+130.4000/+30.7000+130.3944/+30.7031+130.3800/+30.7200+130.3627/+30.7204+130.3600/+30.7338+130.3400/+30.7400+130.3338/+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/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3385/+30.7624+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 2026-07-30T12:00:00+09:00 2026-07-30T15:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8065+130.3400/+30.8000+130.3465/+30.7987+130.3600/+30.7800+130.3787/+30.7794+130.3800/+30.7622+130.4000/+30.7600+130.4022/+30.7569+130.4200/+30.7400+130.4378/+30.7391+130.4400/+30.7331+130.4600/+30.7200+130.4744/+30.7176+130.4800/+30.7080+130.5000/+30.7000+130.5093/+30.6953+130.5200/+30.6841+130.5400/+30.6800+130.5450/+30.6725+130.5600/+30.6624+130.5800/+30.6600+130.5847/+30.6544+130.6000/+30.6428+130.6200/+30.6400+130.6241/+30.6284+130.6400/+30.6200+130.6553/+30.6176+130.6600/+30.6042+130.6800/+30.6000+130.6859/+30.5898+130.7000/+30.5800+130.7124/+30.5737+130.7200/+30.5609+130.7400/+30.5600+130.7414/+30.5400+130.7473/+30.5306+130.7400/+30.5200+130.7311/+30.5163+130.7200/+30.5200+130.7097/+30.5240+130.7000/+30.5271+130.6800/+30.5320+130.6600/+30.5354+130.6400/+30.5400+130.6242/+30.5413+130.6200/+30.5533+130.6000/+30.5600+130.5893/+30.5644+130.5800/+30.5714+130.5600/+30.5800+130.5440/+30.5818+130.5400/+30.6000+130.5233/+30.6019+130.5200/+30.6105+130.5000/+30.6200+130.4876/+30.6233+130.4800/+30.6400+130.4609/+30.6404+130.4600/+30.6544+130.4400/+30.6600+130.4341/+30.6653+130.4200/+30.6800+130.4050/+30.6820+130.4000/+30.7000+130.3814/+30.7004+130.3800/+30.7121+130.3600/+30.7200+130.3521/+30.7218+130.3400/+30.7400+130.3218/+30.7403+130.3200/+30.7600+130.3003/+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/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3387/+30.7615+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 2026-07-30T15:00:00+09:00 2026-07-30T18:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7911+130.3600/+30.7800+130.3711/+30.7766+130.3800/+30.7600+130.3967/+30.7582+130.4000/+30.7400+130.4188/+30.7392+130.4200/+30.7260+130.4400/+30.7200+130.4461/+30.7147+130.4600/+30.7000+130.4764/+30.6982+130.4800/+30.6873+130.5000/+30.6800+130.5091/+30.6762+130.5200/+30.6600+130.5384/+30.6589+130.5400/+30.6506+130.5600/+30.6466+130.5800/+30.6400+130.5925/+30.6359+130.6000/+30.6248+130.6200/+30.6200+130.6270/+30.6113+130.6400/+30.6014+130.6600/+30.6000+130.6618/+30.5859+130.6800/+30.5800+130.6930/+30.5761+130.7000/+30.5600+130.7198/+30.5596+130.7200/+30.5400+130.7343/+30.5200+130.7375/+30.5058+130.7200/+30.5102+130.7000/+30.5170+130.6800/+30.5200+130.6754/+30.5264+130.6600/+30.5304+130.6400/+30.5347+130.6200/+30.5400+130.6131/+30.5468+130.6000/+30.5549+130.5800/+30.5600+130.5692/+30.5632+130.5600/+30.5702+130.5400/+30.5800+130.5236/+30.5829+130.5200/+30.6000+130.5055/+30.6019+130.5000/+30.6112+130.4800/+30.6200+130.4693/+30.6235+130.4600/+30.6400+130.4427/+30.6411+130.4400/+30.6514+130.4200/+30.6600+130.4114/+30.6676+130.4000/+30.6800+130.3876/+30.6832+130.3800/+30.7000+130.3632/+30.7014+130.3600/+30.7200+130.3414/+30.7205+130.3400/+30.7400+130.3205/+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/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3385/+30.7618+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 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 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.8000+130.3400/+30.7973+130.3600/+30.7800+130.3773/+30.7789+130.3800/+30.7600+130.3992/+30.7595+130.4000/+30.7518+130.4200/+30.7400+130.4324/+30.7377+130.4400/+30.7210+130.4600/+30.7200+130.4610/+30.7134+130.4800/+30.7000+130.4957/+30.6984+130.5000/+30.6921+130.5200/+30.6800+130.5344/+30.6772+130.5400/+30.6663+130.5600/+30.6600+130.5706/+30.6570+130.5800/+30.6514+130.6000/+30.6409+130.6200/+30.6400+130.6214/+30.6290+130.6400/+30.6200+130.6557/+30.6178+130.6600/+30.6063+130.6800/+30.6000+130.6884/+30.5923+130.7000/+30.5800+130.7181/+30.5787+130.7200/+30.5684+130.7400/+30.5600+130.7512/+30.5400+130.7587/+30.5200+130.7442/+30.5182+130.7400/+30.5093+130.7200/+30.5143+130.7000/+30.5200+130.6864/+30.5216+130.6800/+30.5278+130.6600/+30.5327+130.6400/+30.5400+130.6217/+30.5408+130.6200/+30.5556+130.6000/+30.5600+130.5920/+30.5646+130.5800/+30.5721+130.5600/+30.5800+130.5453/+30.5823+130.5400/+30.6000+130.5259/+30.6034+130.5200/+30.6149+130.5000/+30.6200+130.4943/+30.6247+130.4800/+30.6400+130.4634/+30.6414+130.4600/+30.6510+130.4400/+30.6600+130.4309/+30.6640+130.4200/+30.6800+130.4033/+30.6811+130.4000/+30.7000+130.3804/+30.7001+130.3800/+30.7061+130.3600/+30.7200+130.3461/+30.7212+130.3400/+30.7400+130.3212/+30.7402+130.3200/+30.7600+130.3002/+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+130.3388/+30.7617+130.3200/+30.7619+130.3000/+30.7800+130.2819/+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/+30.8199+130.3200/+30.8000+130.3399/+30.8000+130.3400/+30.7961+130.3600/+30.7800+130.3761/+30.7782+130.3800/+30.7600+130.3983/+30.7590+130.4000/+30.7400+130.4196/+30.7397+130.4200/+30.7330+130.4400/+30.7200+130.4537/+30.7173+130.4600/+30.7000+130.4795/+30.6997+130.4800/+30.6938+130.5000/+30.6800+130.5158/+30.6775+130.5200/+30.6661+130.5400/+30.6600+130.5474/+30.6552+130.5600/+30.6497+130.5800/+30.6400+130.5993/+30.6395+130.6000/+30.6282+130.6200/+30.6200+130.6317/+30.6146+130.6400/+30.6061+130.6600/+30.6000+130.6680/+30.5910+130.6800/+30.5803+130.7000/+30.5800+130.7004/+30.5609+130.7200/+30.5600+130.7212/+30.5400+130.7374/+30.5200+130.7396/+30.5127+130.7400/+30.5044+130.7600/+30.5000+130.7679/+30.4975+130.7600/+30.4988+130.7400/+30.5000+130.7368/+30.5031+130.7200/+30.5057+130.7000/+30.5107+130.6800/+30.5200+130.6663/+30.5231+130.6600/+30.5295+130.6400/+30.5346+130.6200/+30.5400+130.6134/+30.5473+130.6000/+30.5596+130.5800/+30.5600+130.5793/+30.5666+130.5600/+30.5747+130.5400/+30.5800+130.5316/+30.5961+130.5200/+30.6000+130.5175/+30.6057+130.5000/+30.6200+130.4800/+30.6305+130.4600/+30.6400+130.4499/+30.6452+130.4400/+30.6600+130.4246/+30.6616+130.4200/+30.6800+130.4006/+30.6803+130.4000/+30.6910+130.3800/+30.7000+130.3710/+30.7039+130.3600/+30.7200+130.3439/+30.7210+130.3400/+30.7400+130.3210/+30.7402+130.3200/+30.7600+130.3002/+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/+30.8180+130.3200/+30.8000+130.3380/+30.7800+130.3386/+30.7615+130.3200/+30.7615+130.3000/+30.7800+130.2815/+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０９時から１２時までは火口から南東方向、３０日２１時から２４時までは火口から南東方向に降灰が予想されます。 　３０日６時から３０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 　３０日０６時から０９時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日０９時から１２時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１２時から１５時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１５時から１８時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１８時から２１時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日２１時から２４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 　 　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。