2026-10-30T11:00:00Z 通常 気象庁本庁 気象庁 2026-10-30T20:00:00+09:00 2026-10-30T21:00:00+09:00 2026-10-31T15:00:00+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 鹿児島県屋久島町 4650500 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 鹿児島県屋久島町 4650500 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-10-30T21:00:00+09:00 2026-10-31T00:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8024+130.3400/+30.8000+130.3424/+30.7984+130.3600/+30.7800+130.3785/+30.7793+130.3800/+30.7649+130.4000/+30.7600+130.4050/+30.7564+130.4200/+30.7400+130.4379/+30.7387+130.4400/+30.7289+130.4600/+30.7200+130.4696/+30.7153+130.4800/+30.7000+130.4981/+30.6987+130.5000/+30.6886+130.5200/+30.6800+130.5307/+30.6740+130.5400/+30.6600+130.5589/+30.6592+130.5600/+30.6515+130.5800/+30.6400+130.5994/+30.6394+130.6000/+30.6208+130.6200/+30.6200+130.6208/+30.6000+130.6396/+30.5996+130.6400/+30.5861+130.6600/+30.5800+130.6662/+30.5638+130.6800/+30.5600+130.6845/+30.5400+130.6975/+30.5370+130.7000/+30.5200+130.7189/+30.5000+130.7147/+30.4870+130.7000/+30.4900+130.6800/+30.4978+130.6600/+30.5000+130.6516/+30.5025+130.6400/+30.5142+130.6200/+30.5200+130.6119/+30.5249+130.6000/+30.5349+130.5800/+30.5400+130.5721/+30.5451+130.5600/+30.5561+130.5400/+30.5600+130.5355/+30.5694+130.5200/+30.5800+130.5031/+30.5817+130.5000/+30.6000+130.4859/+30.6033+130.4800/+30.6200+130.4625/+30.6216+130.4600/+30.6321+130.4400/+30.6400+130.4320/+30.6469+130.4200/+30.6600+130.4070/+30.6651+130.4000/+30.6800+130.3849/+30.6824+130.3800/+30.7000+130.3623/+30.7013+130.3600/+30.7200+130.3413/+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/+30.8179+130.3200/+30.8000+130.3379/+30.7800+130.3386/+30.7618+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 2026-10-31T00:00:00+09:00 2026-10-31T03:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3400/+30.7983+130.3600/+30.7800+130.3784/+30.7793+130.3800/+30.7664+130.4000/+30.7600+130.4065/+30.7566+130.4200/+30.7400+130.4382/+30.7389+130.4400/+30.7291+130.4600/+30.7200+130.4712/+30.7170+130.4800/+30.7066+130.5000/+30.7000+130.5096/+30.6959+130.5200/+30.6829+130.5400/+30.6800+130.5432/+30.6718+130.5600/+30.6625+130.5800/+30.6600+130.5846/+30.6523+130.6000/+30.6400+130.6197/+30.6398+130.6200/+30.6253+130.6400/+30.6200+130.6495/+30.6142+130.6600/+30.6000+130.6791/+30.5987+130.6800/+30.5835+130.7000/+30.5800+130.7053/+30.5712+130.7200/+30.5600+130.7364/+30.5493+130.7400/+30.5400+130.7459/+30.5221+130.7400/+30.5200+130.7396/+30.5071+130.7200/+30.5107+130.7000/+30.5151+130.6800/+30.5200+130.6714/+30.5259+130.6600/+30.5314+130.6400/+30.5360+130.6200/+30.5400+130.6135/+30.5456+130.6000/+30.5511+130.5800/+30.5600+130.5654/+30.5632+130.5600/+30.5733+130.5400/+30.5800+130.5285/+30.5849+130.5200/+30.6000+130.5085/+30.6035+130.5000/+30.6143+130.4800/+30.6200+130.4739/+30.6280+130.4600/+30.6400+130.4468/+30.6429+130.4400/+30.6600+130.4223/+30.6611+130.4200/+30.6800+130.4001/+30.6800+130.4000/+30.6871+130.3800/+30.7000+130.3671/+30.7027+130.3600/+30.7200+130.3427/+30.7208+130.3400/+30.7400+130.3208/+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+130.3388/+30.7614+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-10-31T03:00:00+09:00 2026-10-31T06:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7997+130.3400/+30.7800+130.3597/+30.7792+130.3600/+30.7600+130.3792/+30.7579+130.3800/+30.7400+130.3979/+30.7363+130.4000/+30.7200+130.4165/+30.7157+130.4200/+30.7000+130.4358/+30.6950+130.4400/+30.6800+130.4548/+30.6733+130.4600/+30.6600+130.4739/+30.6532+130.4800/+30.6400+130.4938/+30.6343+130.5000/+30.6200+130.5158/+30.6158+130.5200/+30.6043+130.5400/+30.6000+130.5455/+30.5884+130.5600/+30.5800+130.5698/+30.5662+130.5800/+30.5600+130.5877/+30.5485+130.6000/+30.5400+130.6113/+30.5315+130.6200/+30.5200+130.6279/+30.5058+130.6400/+30.5000+130.6490/+30.4901+130.6600/+30.4800+130.6678/+30.4610+130.6800/+30.4600+130.6811/+30.4400+130.6893/+30.4200+130.6940/+30.4156+130.7000/+30.4000+130.7153/+30.3914+130.7000/+30.4000+130.6808/+30.4012+130.6800/+30.4081+130.6600/+30.4154+130.6400/+30.4200+130.6322/+30.4248+130.6200/+30.4394+130.6000/+30.4400+130.5995/+30.4538+130.5800/+30.4600+130.5722/+30.4708+130.5600/+30.4800+130.5502/+30.4856+130.5400/+30.5000+130.5258/+30.5042+130.5200/+30.5180+130.5000/+30.5200+130.4976/+30.5352+130.4800/+30.5400+130.4766/+30.5600+130.4643/+30.5661+130.4600/+30.5800+130.4463/+30.5866+130.4400/+30.6000+130.4275/+30.6084+130.4200/+30.6200+130.4090/+30.6372+130.4000/+30.6400+130.3972/+30.6600+130.3807/+30.6607+130.3800/+30.6800+130.3611/+30.6813+130.3600/+30.7000+130.3416/+30.7021+130.3400/+30.7200+130.3221/+30.7231+130.3200/+30.7400+130.3031/+30.7487+130.3000/+30.7600+130.2887/+30.7800+130.2801/+30.8000+130.2803/+30.8197+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/+30.8000+130.3188/+30.7979+130.3200/+30.7800+130.3389/+30.7611+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 2 鹿児島県三島村 4630300 2026-10-31T06:00:00+09:00 2026-10-31T09:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8197+130.3200/+30.8000+130.3397/+30.7993+130.3400/+30.7800+130.3593/+30.7721+130.3600/+30.7600+130.3721/+30.7400+130.3798/+30.7393+130.3800/+30.7200+130.3989/+30.7165+130.4000/+30.7000+130.4164/+30.6907+130.4200/+30.6800+130.4305/+30.6618+130.4400/+30.6600+130.4418/+30.6400+130.4590/+30.6379+130.4600/+30.6200+130.4766/+30.6134+130.4800/+30.6000+130.4932/+30.5944+130.5000/+30.5800+130.5158/+30.5708+130.5200/+30.5600+130.5315/+30.5483+130.5400/+30.5400+130.5457/+30.5218+130.5600/+30.5200+130.5625/+30.5013+130.5800/+30.5000+130.5811/+30.4800+130.5942/+30.4747+130.6000/+30.4600+130.6192/+30.4590+130.6200/+30.4400+130.6343/+30.4271+130.6400/+30.4200+130.6460/+30.4042+130.6600/+30.4000+130.6631/+30.3817+130.6600/+30.3800+130.6594/+30.3619+130.6400/+30.3675+130.6200/+30.3695+130.6000/+30.3798+130.5800/+30.3800+130.5797/+30.3973+130.5600/+30.4000+130.5580/+30.4123+130.5400/+30.4200+130.5309/+30.4343+130.5200/+30.4400+130.5147/+30.4516+130.5000/+30.4600+130.4930/+30.4800+130.4824/+30.4822+130.4800/+30.5000+130.4653/+30.5060+130.4600/+30.5200+130.4438/+30.5246+130.4400/+30.5400+130.4292/+30.5600+130.4240/+30.5642+130.4200/+30.5800+130.4058/+30.5914+130.4000/+30.6000+130.3925/+30.6200+130.3817/+30.6228+130.3800/+30.6400+130.3643/+30.6532+130.3600/+30.6600+130.3535/+30.6800+130.3411/+30.6822+130.3400/+30.7000+130.3229/+30.7200+130.3200/+30.7400+130.3004/+30.7414+130.3000/+30.7600+130.2813/+30.7800+130.2801/+30.8000+130.2803/+30.8197+130.3000/ 南東 60 鹿児島県三島村 4630300 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7977+130.3200/+30.7800+130.3377/+30.7609+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 2 鹿児島県三島村 4630300 2026-10-31T09:00:00+09:00 2026-10-31T12:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8196+130.3200/+30.8000+130.3396/+30.7800+130.3400/+30.7600+130.3597/+30.7400+130.3600/+30.7398+130.3600/+30.7200+130.3791/+30.7000+130.3799/+30.6996+130.3800/+30.6800+130.3981/+30.6600+130.4000/+30.6598+130.4000/+30.6400+130.4172/+30.6261+130.4200/+30.6200+130.4256/+30.6000+130.4369/+30.5877+130.4400/+30.5800+130.4466/+30.5600+130.4579/+30.5545+130.4600/+30.5400+130.4762/+30.5308+130.4800/+30.5200+130.4858/+30.5000+130.4947/+30.4878+130.5000/+30.4800+130.5049/+30.4628+130.5200/+30.4600+130.5242/+30.4410+130.5400/+30.4400+130.5405/+30.4200+130.5534/+30.4106+130.5600/+30.4000+130.5726/+30.3800+130.5700/+30.3600+130.5661/+30.3509+130.5600/+30.3400+130.5455/+30.3377+130.5400/+30.3334+130.5200/+30.3297+130.5000/+30.3370+130.4800/+30.3400+130.4736/+30.3447+130.4600/+30.3600+130.4426/+30.3622+130.4400/+30.3800+130.4255/+30.3923+130.4200/+30.4000+130.4175/+30.4200+130.4127/+30.4400+130.4097/+30.4600+130.4090/+30.4800+130.4057/+30.4952+130.4000/+30.5000+130.3953/+30.5200+130.3809/+30.5400+130.3829/+30.5565+130.3800/+30.5600+130.3778/+30.5800+130.3641/+30.6000+130.3607/+30.6025+130.3600/+30.6200+130.3460/+30.6400+130.3412/+30.6483+130.3400/+30.6600+130.3292/+30.6800+130.3211/+30.7000+130.3201/+30.7003+130.3200/+30.7200+130.3008/+30.7400+130.3001/+30.7403+130.3000/+30.7600+130.2803/+30.7800+130.2801/+30.8000+130.2803/+30.8197+130.3000/ 南 60 鹿児島県三島村 4630300 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7965+130.3200/+30.7800+130.3365/+30.7614+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 2 鹿児島県三島村 4630300 2026-10-31T12:00:00+09:00 2026-10-31T15:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8196+130.3200/+30.8000+130.3396/+30.7800+130.3400/+30.7798+130.3400/+30.7600+130.3597/+30.7400+130.3599/+30.7393+130.3600/+30.7200+130.3789/+30.7000+130.3799/+30.6990+130.3800/+30.6800+130.3979/+30.6600+130.3998/+30.6587+130.4000/+30.6400+130.4170/+30.6200+130.4199/+30.6197+130.4200/+30.6000+130.4371/+30.5854+130.4400/+30.5800+130.4446/+30.5600+130.4571/+30.5534+130.4600/+30.5400+130.4772/+30.5351+130.4800/+30.5200+130.4894/+30.5000+130.4977/+30.4948+130.5000/+30.4800+130.5096/+30.4709+130.5200/+30.4600+130.5393/+30.4593+130.5400/+30.4400+130.5514/+30.4271+130.5600/+30.4200+130.5723/+30.4143+130.5800/+30.4000+130.5905/+30.3800+130.5927/+30.3600+130.5955/+30.3400+130.5916/+30.3264+130.5800/+30.3200+130.5717/+30.3134+130.5600/+30.3089+130.5400/+30.3080+130.5200/+30.3070+130.5000/+30.3148+130.4800/+30.3200+130.4706/+30.3279+130.4600/+30.3400+130.4472/+30.3488+130.4400/+30.3600+130.4329/+30.3800+130.4226/+30.3880+130.4200/+30.4000+130.4170/+30.4200+130.4130/+30.4400+130.4103/+30.4600+130.4103/+30.4800+130.4060/+30.5000+130.4002/+30.5005+130.4000/+30.5200+130.3825/+30.5400+130.3840/+30.5600+130.3804/+30.5612+130.3800/+30.5800+130.3658/+30.6000+130.3612/+30.6053+130.3600/+30.6200+130.3471/+30.6400+130.3412/+30.6504+130.3400/+30.6600+130.3308/+30.6800+130.3210/+30.7000+130.3201/+30.7002+130.3200/+30.7200+130.3006/+30.7400+130.3001/+30.7403+130.3000/+30.7600+130.2803/+30.7800+130.2801/+30.8000+130.2803/+30.8197+130.3000/ 南東 60 鹿児島県三島村 4630300 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7967+130.3200/+30.7800+130.3367/+30.7608+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 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方向に降灰が予想されます。 　３０日２１時から３１日１５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２１時から２４時まで　南東　　　　　　５０ｋｍ　　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　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３１日０６時から０９時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３１日０９時から１２時まで　南　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３１日１２時から１５時まで　南東　　　　　　６０ｋｍ　　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、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。