2026-10-05T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-05T14:00:00+09:00 2026-10-05T15:00:00+09:00 2026-10-06T09:00:00+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、５日２１時から２４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 2026-10-05T15:00:00+09:00 2026-10-05T18:00:00+09:00 降灰 70 +30.8191+130.3000/+30.8188+130.3200/+30.8000+130.3388/+30.7800+130.3399/+30.7795+130.3400/+30.7600+130.3595/+30.7400+130.3599/+30.7378+130.3600/+30.7200+130.3777/+30.7000+130.3797/+30.6919+130.3800/+30.6800+130.3919/+30.6600+130.3992/+30.6414+130.4000/+30.6400+130.4014/+30.6200+130.4180/+30.6000+130.4198/+30.5991+130.4200/+30.5800+130.4367/+30.5600+130.4396/+30.5591+130.4400/+30.5400+130.4583/+30.5322+130.4600/+30.5200+130.4749/+30.5133+130.4800/+30.5000+130.4889/+30.4800+130.4961/+30.4766+130.5000/+30.4600+130.5171/+30.4446+130.5200/+30.4400+130.5244/+30.4310+130.5400/+30.4200+130.5482/+30.4000+130.5584/+30.3800+130.5565/+30.3600+130.5536/+30.3400+130.5471/+30.3289+130.5400/+30.3200+130.5348/+30.3072+130.5200/+30.3000+130.5007/+30.2993+130.5000/+30.2891+130.4800/+30.2820+130.4600/+30.2865+130.4400/+30.3000+130.4287/+30.3077+130.4200/+30.3200+130.4132/+30.3400+130.4082/+30.3600+130.4074/+30.3800+130.4067/+30.4000+130.4062/+30.4200+130.4053/+30.4400+130.4045/+30.4600+130.4043/+30.4800+130.4016/+30.4845+130.4000/+30.5000+130.3828/+30.5036+130.3800/+30.5200+130.3699/+30.5310+130.3800/+30.5400+130.3817/+30.5492+130.3800/+30.5600+130.3702/+30.5800+130.3619/+30.6000+130.3601/+30.6004+130.3600/+30.6200+130.3424/+30.6400+130.3405/+30.6432+130.3400/+30.6600+130.3236/+30.6800+130.3204/+30.6893+130.3200/+30.7000+130.3093/+30.7200+130.3003/+30.7400+130.3001/+30.7403+130.3000/+30.7600+130.2804/+30.7800+130.2801/+30.8000+130.2809/+30.8191+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 +30.7988+130.3000/+30.7972+130.3200/+30.7800+130.3372/+30.7600+130.3286/+30.7479+130.3200/+30.7600+130.3114/+30.7612+130.3000/+30.7800+130.2812/+30.7988+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-05T18:00:00+09:00 2026-10-05T21:00:00+09:00 降灰 70 +30.8192+130.3000/+30.8189+130.3200/+30.8000+130.3389/+30.7800+130.3399/+30.7790+130.3400/+30.7600+130.3590/+30.7400+130.3599/+30.7254+130.3600/+30.7200+130.3654/+30.7000+130.3792/+30.6800+130.3798/+30.6765+130.3800/+30.6600+130.3961/+30.6400+130.3991/+30.6210+130.4000/+30.6200+130.4009/+30.6000+130.4174/+30.5800+130.4194/+30.5752+130.4200/+30.5600+130.4334/+30.5525+130.4400/+30.5400+130.4523/+30.5200+130.4562/+30.5000+130.4590/+30.4942+130.4600/+30.4800+130.4720/+30.4691+130.4800/+30.4600+130.4909/+30.4487+130.5000/+30.4400+130.5039/+30.4200+130.5103/+30.4000+130.5137/+30.3800+130.5189/+30.3600+130.5118/+30.3411+130.5000/+30.3400+130.4998/+30.3200+130.4913/+30.3087+130.4800/+30.3003+130.4600/+30.3000+130.4566/+30.2951+130.4400/+30.3000+130.4288/+30.3014+130.4200/+30.3095+130.4000/+30.3200+130.3898/+30.3367+130.3800/+30.3400+130.3786/+30.3600+130.3793/+30.3800+130.3791/+30.4000+130.3789/+30.4200+130.3769/+30.4273+130.3800/+30.4400+130.3833/+30.4600+130.3803/+30.4612+130.3800/+30.4800+130.3731/+30.5000+130.3661/+30.5200+130.3611/+30.5400+130.3636/+30.5600+130.3608/+30.5672+130.3600/+30.5800+130.3499/+30.6000+130.3422/+30.6200+130.3404/+30.6239+130.3400/+30.6400+130.3257/+30.6600+130.3208/+30.6800+130.3201/+30.6808+130.3200/+30.7000+130.3014/+30.7200+130.3002/+30.7352+130.3000/+30.7400+130.2952/+30.7600+130.2802/+30.7800+130.2801/+30.8000+130.2808/+30.8192+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 +30.7988+130.3000/+30.7974+130.3200/+30.7800+130.3374/+30.7600+130.3278/+30.7489+130.3200/+30.7600+130.3122/+30.7612+130.3000/+30.7800+130.2812/+30.7988+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-05T21:00:00+09:00 2026-10-06T00:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8191+130.3200/+30.8000+130.3391/+30.7800+130.3399/+30.7792+130.3400/+30.7600+130.3592/+30.7400+130.3599/+30.7348+130.3600/+30.7200+130.3748/+30.7000+130.3794/+30.6813+130.3800/+30.6800+130.3813/+30.6600+130.3980/+30.6400+130.3996/+30.6373+130.4000/+30.6200+130.4153/+30.6000+130.4187/+30.5909+130.4200/+30.5800+130.4295/+30.5600+130.4372/+30.5547+130.4400/+30.5400+130.4542/+30.5200+130.4575/+30.5070+130.4600/+30.5000+130.4661/+30.4800+130.4771/+30.4753+130.4800/+30.4600+130.4965/+30.4551+130.5000/+30.4400+130.5066/+30.4200+130.5122/+30.4000+130.5159/+30.3838+130.5200/+30.3800+130.5229/+30.3671+130.5200/+30.3600+130.5181/+30.3400+130.5071/+30.3332+130.5000/+30.3200+130.4913/+30.3112+130.4800/+30.3038+130.4600/+30.3029+130.4400/+30.3069+130.4200/+30.3179+130.4000/+30.3200+130.3976/+30.3400+130.3825/+30.3600+130.3804/+30.3713+130.3800/+30.3800+130.3797/+30.4000+130.3790/+30.4200+130.3779/+30.4250+130.3800/+30.4400+130.3840/+30.4600+130.3813/+30.4642+130.3800/+30.4800+130.3738/+30.5000+130.3664/+30.5200+130.3610/+30.5400+130.3636/+30.5600+130.3610/+30.5672+130.3600/+30.5800+130.3499/+30.6000+130.3427/+30.6200+130.3406/+30.6248+130.3400/+30.6400+130.3266/+30.6600+130.3210/+30.6800+130.3202/+30.6810+130.3200/+30.7000+130.3017/+30.7200+130.3002/+30.7348+130.3000/+30.7400+130.2948/+30.7600+130.2802/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7600+130.3261/+30.7518+130.3200/+30.7600+130.3139/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-06T00:00:00+09:00 2026-10-06T03:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8192+130.3200/+30.8000+130.3392/+30.7800+130.3399/+30.7791+130.3400/+30.7600+130.3591/+30.7400+130.3599/+30.7331+130.3600/+30.7200+130.3731/+30.7000+130.3794/+30.6800+130.3800/+30.6797+130.3800/+30.6600+130.3980/+30.6400+130.3997/+30.6383+130.4000/+30.6200+130.4164/+30.6000+130.4195/+30.5973+130.4200/+30.5800+130.4349/+30.5600+130.4394/+30.5589+130.4400/+30.5400+130.4581/+30.5301+130.4600/+30.5200+130.4710/+30.5070+130.4800/+30.5000+130.4845/+30.4800+130.4933/+30.4748+130.5000/+30.4600+130.5169/+30.4496+130.5200/+30.4400+130.5295/+30.4360+130.5400/+30.4200+130.5563/+30.4151+130.5600/+30.4009+130.5800/+30.4000+130.5806/+30.3800+130.5883/+30.3600+130.5945/+30.3400+130.5943/+30.3200+130.5834/+30.3165+130.5800/+30.3055+130.5600/+30.3010+130.5400/+30.3000+130.5334/+30.2939+130.5200/+30.2871+130.5000/+30.2997+130.4800/+30.3000+130.4796/+30.3082+130.4600/+30.3200+130.4437/+30.3244+130.4400/+30.3400+130.4288/+30.3600+130.4270/+30.3699+130.4200/+30.3800+130.4157/+30.4000+130.4110/+30.4200+130.4070/+30.4400+130.4048/+30.4600+130.4038/+30.4800+130.4006/+30.4814+130.4000/+30.5000+130.3804/+30.5006+130.3800/+30.5200+130.3686/+30.5360+130.3800/+30.5400+130.3805/+30.5418+130.3800/+30.5600+130.3651/+30.5800+130.3612/+30.5864+130.3600/+30.6000+130.3476/+30.6200+130.3413/+30.6334+130.3400/+30.6400+130.3336/+30.6600+130.3214/+30.6800+130.3203/+30.6818+130.3200/+30.7000+130.3021/+30.7200+130.3002/+30.7396+130.3000/+30.7400+130.2996/+30.7600+130.2802/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7969+130.3200/+30.7800+130.3369/+30.7600+130.3243/+30.7540+130.3200/+30.7600+130.3157/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-06T03:00:00+09:00 2026-10-06T06:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8192+130.3200/+30.8000+130.3392/+30.7800+130.3399/+30.7792+130.3400/+30.7600+130.3592/+30.7400+130.3598/+30.7307+130.3600/+30.7200+130.3707/+30.7000+130.3792/+30.6800+130.3799/+30.6791+130.3800/+30.6600+130.3976/+30.6400+130.3995/+30.6360+130.4000/+30.6200+130.4141/+30.6000+130.4188/+30.5918+130.4200/+30.5800+130.4304/+30.5600+130.4378/+30.5561+130.4400/+30.5400+130.4555/+30.5200+130.4586/+30.5139+130.4600/+30.5000+130.4735/+30.4889+130.4800/+30.4800+130.4851/+30.4693+130.5000/+30.4600+130.5101/+30.4400+130.5162/+30.4353+130.5200/+30.4281+130.5400/+30.4200+130.5497/+30.4074+130.5600/+30.4000+130.5703/+30.3877+130.5800/+30.3800+130.5848/+30.3600+130.5944/+30.3400+130.5950/+30.3200+130.5812/+30.3191+130.5800/+30.3099+130.5600/+30.3062+130.5400/+30.3040+130.5200/+30.3023+130.5000/+30.3061+130.4800/+30.3131+130.4600/+30.3200+130.4476/+30.3266+130.4400/+30.3400+130.4290/+30.3600+130.4243/+30.3653+130.4200/+30.3800+130.4130/+30.4000+130.4083/+30.4200+130.4044/+30.4400+130.4020/+30.4600+130.4003/+30.4613+130.4000/+30.4800+130.3863/+30.4889+130.3800/+30.5000+130.3732/+30.5200+130.3655/+30.5400+130.3697/+30.5600+130.3625/+30.5755+130.3600/+30.5800+130.3561/+30.6000+130.3434/+30.6200+130.3407/+30.6254+130.3400/+30.6400+130.3270/+30.6600+130.3210/+30.6800+130.3201/+30.6806+130.3200/+30.7000+130.3014/+30.7200+130.3002/+30.7375+130.3000/+30.7400+130.2975/+30.7600+130.2802/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7975+130.3200/+30.7800+130.3375/+30.7600+130.3263/+30.7512+130.3200/+30.7600+130.3137/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-06T06:00:00+09:00 2026-10-06T09:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8191+130.3200/+30.8000+130.3391/+30.7800+130.3399/+30.7781+130.3400/+30.7600+130.3581/+30.7400+130.3598/+30.7200+130.3599/+30.7176+130.3600/+30.7000+130.3770/+30.6800+130.3793/+30.6600+130.3799/+30.6589+130.3800/+30.6400+130.3965/+30.6200+130.3989/+30.6056+130.4000/+30.6000+130.4051/+30.5800+130.4164/+30.5600+130.4188/+30.5572+130.4200/+30.5400+130.4373/+30.5243+130.4400/+30.5200+130.4426/+30.5000+130.4504/+30.4800+130.4545/+30.4600+130.4591/+30.4586+130.4600/+30.4400+130.4769/+30.4348+130.4800/+30.4269+130.5000/+30.4200+130.5103/+30.4097+130.5200/+30.4000+130.5309/+30.3946+130.5400/+30.3837+130.5600/+30.3800+130.5665/+30.3673+130.5800/+30.3600+130.5847/+30.3400+130.5864/+30.3269+130.5800/+30.3200+130.5739/+30.3118+130.5600/+30.3068+130.5400/+30.3041+130.5200/+30.3019+130.5000/+30.3015+130.4800/+30.3012+130.4600/+30.3029+130.4400/+30.3086+130.4200/+30.3197+130.4000/+30.3200+130.3995/+30.3400+130.3806/+30.3413+130.3800/+30.3600+130.3756/+30.3800+130.3718/+30.4000+130.3695/+30.4200+130.3679/+30.4400+130.3695/+30.4600+130.3669/+30.4800+130.3637/+30.4958+130.3600/+30.5000+130.3577/+30.5200+130.3481/+30.5384+130.3600/+30.5400+130.3602/+30.5411+130.3600/+30.5600+130.3462/+30.5800+130.3419/+30.6000+130.3403/+30.6030+130.3400/+30.6200+130.3265/+30.6400+130.3213/+30.6600+130.3204/+30.6640+130.3200/+30.6800+130.3046/+30.7000+130.3006/+30.7200+130.3001/+30.7254+130.3000/+30.7400+130.2854/+30.7600+130.2802/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7974+130.3200/+30.7800+130.3374/+30.7600+130.3264/+30.7510+130.3200/+30.7600+130.3136/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 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、５日２１時から２４時までは火口から南方向に降灰が予想されます。 　５日１５時から６日９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 　０５日１５時から１８時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０５日１８時から２１時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０５日２１時から２４時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日００時から０３時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日０３時から０６時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日０６時から０９時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　 　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。