2026-10-06T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-06T11:00:00+09:00 2026-10-06T12:00:00+09:00 2026-10-07T06:00:00+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、６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 2026-10-06T12:00:00+09:00 2026-10-06T15:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8193+130.3200/+30.8000+130.3393/+30.7906+130.3400/+30.7800+130.3506/+30.7600+130.3598/+30.7559+130.3600/+30.7400+130.3759/+30.7200+130.3797/+30.7169+130.3800/+30.7000+130.3968/+30.6800+130.3997/+30.6780+130.4000/+30.6600+130.4174/+30.6400+130.4200/+30.6200+130.4383/+30.6137+130.4400/+30.6000+130.4532/+30.5800+130.4597/+30.5790+130.4600/+30.5711+130.4800/+30.5600+130.4929/+30.5400+130.4989/+30.5382+130.5000/+30.5200+130.5153/+30.5101+130.5200/+30.5000+130.5322/+30.4947+130.5400/+30.4800+130.5525/+30.4733+130.5600/+30.4652+130.5800/+30.4600+130.5862/+30.4400+130.5968/+30.4370+130.6000/+30.4301+130.6200/+30.4200+130.6347/+30.4097+130.6400/+30.4000+130.6456/+30.3800+130.6515/+30.3646+130.6600/+30.3600+130.6636/+30.3400+130.6651/+30.3339+130.6600/+30.3272+130.6400/+30.3281+130.6200/+30.3288+130.6000/+30.3399+130.5800/+30.3400+130.5798/+30.3484+130.5600/+30.3561+130.5400/+30.3600+130.5322/+30.3647+130.5200/+30.3800+130.5036/+30.3849+130.5000/+30.4000+130.4911/+30.4098+130.4800/+30.4200+130.4636/+30.4243+130.4600/+30.4400+130.4526/+30.4600+130.4454/+30.4683+130.4400/+30.4800+130.4332/+30.5000+130.4223/+30.5029+130.4200/+30.5200+130.4073/+30.5400+130.4035/+30.5600+130.4006/+30.5614+130.4000/+30.5800+130.3839/+30.6000+130.3801/+30.6002+130.3800/+30.6200+130.3618/+30.6338+130.3600/+30.6400+130.3540/+30.6600+130.3410/+30.6670+130.3400/+30.6800+130.3271/+30.7000+130.3204/+30.7025+130.3200/+30.7200+130.3025/+30.7400+130.3001/+30.7407+130.3000/+30.7600+130.2807/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7976+130.3200/+30.7800+130.3376/+30.7600+130.3249/+30.7552+130.3200/+30.7600+130.3167/+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 2026-10-06T15:00:00+09:00 2026-10-06T18:00:00+09:00 降灰 70 +30.8194+130.3000/+30.8192+130.3200/+30.8000+130.3392/+30.7886+130.3400/+30.7800+130.3486/+30.7600+130.3598/+30.7556+130.3600/+30.7400+130.3756/+30.7200+130.3797/+30.7173+130.3800/+30.7000+130.3972/+30.6800+130.3997/+30.6785+130.4000/+30.6600+130.4178/+30.6478+130.4200/+30.6400+130.4277/+30.6200+130.4389/+30.6163+130.4400/+30.6000+130.4554/+30.5816+130.4600/+30.5800+130.4614/+30.5721+130.4800/+30.5600+130.4941/+30.5400+130.4998/+30.5397+130.5000/+30.5200+130.5152/+30.5094+130.5200/+30.5000+130.5317/+30.4944+130.5400/+30.4800+130.5518/+30.4724+130.5600/+30.4632+130.5800/+30.4600+130.5833/+30.4400+130.5930/+30.4336+130.6000/+30.4270+130.6200/+30.4200+130.6298/+30.4000+130.6382/+30.3883+130.6400/+30.3800+130.6426/+30.3600+130.6494/+30.3400+130.6487/+30.3284+130.6400/+30.3200+130.6301/+30.3158+130.6200/+30.3116+130.6000/+30.3166+130.5800/+30.3200+130.5702/+30.3248+130.5600/+30.3384+130.5400/+30.3400+130.5381/+30.3494+130.5200/+30.3600+130.5083/+30.3673+130.5000/+30.3800+130.4913/+30.4000+130.4841/+30.4062+130.4800/+30.4200+130.4607/+30.4210+130.4600/+30.4400+130.4516/+30.4600+130.4454/+30.4680+130.4400/+30.4800+130.4326/+30.5000+130.4217/+30.5021+130.4200/+30.5200+130.4068/+30.5400+130.4032/+30.5540+130.4000/+30.5600+130.3946/+30.5800+130.3829/+30.5891+130.3800/+30.6000+130.3698/+30.6200+130.3613/+30.6251+130.3600/+30.6400+130.3463/+30.6600+130.3406/+30.6626+130.3400/+30.6800+130.3233/+30.7000+130.3203/+30.7012+130.3200/+30.7200+130.3014/+30.7400+130.3001/+30.7406+130.3000/+30.7600+130.2806/+30.7800+130.2801/+30.8000+130.2806/+30.8194+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/+30.7981+130.3200/+30.7800+130.3381/+30.7600+130.3261/+30.7542+130.3200/+30.7600+130.3160/+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 2026-10-06T18:00:00+09:00 2026-10-06T21:00:00+09:00 降灰 70 +30.8195+130.3000/+30.8191+130.3200/+30.8000+130.3391/+30.7800+130.3399/+30.7776+130.3400/+30.7600+130.3576/+30.7400+130.3597/+30.7200+130.3599/+30.7192+130.3600/+30.7000+130.3781/+30.6800+130.3794/+30.6715+130.3800/+30.6600+130.3908/+30.6400+130.3980/+30.6200+130.3997/+30.6184+130.4000/+30.6000+130.4148/+30.5800+130.4184/+30.5694+130.4200/+30.5600+130.4272/+30.5436+130.4400/+30.5400+130.4436/+30.5200+130.4498/+30.5000+130.4543/+30.4800+130.4590/+30.4777+130.4600/+30.4600+130.4761/+30.4522+130.4800/+30.4400+130.4907/+30.4251+130.5000/+30.4200+130.5021/+30.4000+130.5080/+30.3800+130.5110/+30.3605+130.5000/+30.3600+130.4998/+30.3400+130.4975/+30.3200+130.4906/+30.3071+130.4800/+30.3000+130.4670/+30.2931+130.4600/+30.2906+130.4400/+30.3000+130.4266/+30.3017+130.4200/+30.3089+130.4000/+30.3200+130.3856/+30.3270+130.3800/+30.3400+130.3732/+30.3600+130.3717/+30.3800+130.3696/+30.4000+130.3680/+30.4200+130.3672/+30.4400+130.3683/+30.4600+130.3653/+30.4800+130.3605/+30.4809+130.3600/+30.5000+130.3497/+30.5200+130.3448/+30.5400+130.3453/+30.5600+130.3415/+30.5759+130.3400/+30.5800+130.3377/+30.6000+130.3255/+30.6200+130.3219/+30.6400+130.3203/+30.6431+130.3200/+30.6600+130.3064/+30.6800+130.3013/+30.7000+130.3004/+30.7181+130.3000/+30.7200+130.2981/+30.7400+130.2809/+30.7600+130.2801/+30.7800+130.2801/+30.8000+130.2805/+30.8195+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/+30.7961+130.3200/+30.7800+130.3361/+30.7600+130.3261/+30.7518+130.3200/+30.7592+130.3000/+30.7600+130.2992/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-06T21:00:00+09:00 2026-10-07T00:00:00+09:00 降灰 70 +30.8196+130.3000/+30.8192+130.3200/+30.8000+130.3392/+30.7800+130.3399/+30.7600+130.3399/+30.7400+130.3399/+30.7348+130.3400/+30.7200+130.3542/+30.7000+130.3584/+30.6800+130.3591/+30.6600+130.3594/+30.6400+130.3598/+30.6360+130.3600/+30.6200+130.3701/+30.6000+130.3748/+30.5800+130.3766/+30.5600+130.3782/+30.5400+130.3787/+30.5357+130.3800/+30.5200+130.3932/+30.5000+130.3934/+30.4800+130.3933/+30.4600+130.3936/+30.4400+130.3965/+30.4200+130.3984/+30.4061+130.4000/+30.4000+130.4023/+30.3909+130.4000/+30.3800+130.3991/+30.3600+130.3971/+30.3400+130.3928/+30.3200+130.3845/+30.3122+130.3800/+30.3000+130.3704/+30.2800+130.3669/+30.2600+130.3625/+30.2476+130.3600/+30.2454+130.3400/+30.2600+130.3359/+30.2800+130.3296/+30.3000+130.3239/+30.3054+130.3200/+30.3200+130.3136/+30.3400+130.3090/+30.3600+130.3025/+30.3800+130.3007/+30.3881+130.3000/+30.4000+130.2991/+30.4200+130.2989/+30.4225+130.3000/+30.4400+130.3051/+30.4600+130.3032/+30.4800+130.3019/+30.4918+130.3000/+30.5000+130.2975/+30.5200+130.2938/+30.5285+130.3000/+30.5400+130.3026/+30.5600+130.3012/+30.5800+130.3011/+30.6000+130.3007/+30.6200+130.3001/+30.6231+130.3000/+30.6400+130.2913/+30.6600+130.2871/+30.6800+130.2833/+30.7000+130.2812/+30.7200+130.2804/+30.7400+130.2801/+30.7600+130.2801/+30.7800+130.2800/+30.8000+130.2804/+30.8196+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/+30.7838+130.3200/+30.7800+130.3238/+30.7600+130.3202/+30.7597+130.3200/+30.7600+130.3147/+30.7600+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-10-07T00:00:00+09:00 2026-10-07T03:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8193+130.3200/+30.8000+130.3393/+30.7800+130.3399/+30.7600+130.3399/+30.7400+130.3399/+30.7200+130.3398/+30.7000+130.3399/+30.6819+130.3400/+30.6800+130.3413/+30.6600+130.3499/+30.6400+130.3532/+30.6200+130.3550/+30.6000+130.3557/+30.5800+130.3557/+30.5600+130.3555/+30.5400+130.3565/+30.5286+130.3600/+30.5200+130.3674/+30.5000+130.3649/+30.4802+130.3600/+30.4800+130.3600/+30.4600+130.3569/+30.4400+130.3531/+30.4200+130.3512/+30.4000+130.3486/+30.3800+130.3453/+30.3600+130.3406/+30.3585+130.3400/+30.3400+130.3293/+30.3200+130.3228/+30.3124+130.3200/+30.3000+130.3148/+30.2800+130.3081/+30.2625+130.3000/+30.2800+130.2802/+30.2803+130.2800/+30.3000+130.2695/+30.3200+130.2632/+30.3388+130.2600/+30.3400+130.2598/+30.3600+130.2540/+30.3800+130.2545/+30.4000+130.2549/+30.4200+130.2556/+30.4334+130.2600/+30.4400+130.2617/+30.4600+130.2621/+30.4800+130.2622/+30.5000+130.2626/+30.5200+130.2634/+30.5400+130.2760/+30.5600+130.2755/+30.5800+130.2778/+30.5881+130.2800/+30.6000+130.2803/+30.6200+130.2804/+30.6400+130.2803/+30.6600+130.2803/+30.6800+130.2803/+30.7000+130.2802/+30.7200+130.2801/+30.7400+130.2801/+30.7600+130.2800/+30.7800+130.2800/+30.8000+130.2803/+30.8197+130.3000/ 南 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/+30.7800+130.3196/+30.7603+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南西 2 鹿児島県三島村 4630300 2026-10-07T03:00:00+09:00 2026-10-07T06:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3399/+30.7600+130.3399/+30.7400+130.3398/+30.7200+130.3397/+30.7000+130.3396/+30.6800+130.3394/+30.6600+130.3393/+30.6400+130.3392/+30.6200+130.3391/+30.6000+130.3394/+30.5800+130.3396/+30.5627+130.3400/+30.5600+130.3406/+30.5400+130.3418/+30.5200+130.3485/+30.5000+130.3433/+30.4892+130.3400/+30.4800+130.3391/+30.4600+130.3377/+30.4400+130.3345/+30.4200+130.3342/+30.4000+130.3201/+30.3997+130.3200/+30.3800+130.3120/+30.3600+130.3010/+30.3573+130.3000/+30.3425+130.2800/+30.3400+130.2641/+30.3382+130.2600/+30.3400+130.2568/+30.3512+130.2400/+30.3600+130.2365/+30.3800+130.2370/+30.4000+130.2374/+30.4082+130.2400/+30.4200+130.2421/+30.4400+130.2435/+30.4600+130.2452/+30.4800+130.2467/+30.5000+130.2484/+30.5200+130.2496/+30.5337+130.2600/+30.5400+130.2620/+30.5600+130.2631/+30.5800+130.2639/+30.6000+130.2653/+30.6200+130.2657/+30.6400+130.2659/+30.6600+130.2666/+30.6800+130.2676/+30.7000+130.2707/+30.7200+130.2787/+30.7221+130.2800/+30.7400+130.2800/+30.7600+130.2800/+30.7800+130.2800/+30.8000+130.2802/+30.8198+130.3000/ 南 50 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/+30.7800+130.3188/+30.7606+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南西 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、６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。 　６日１２時から７日６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 　０６日１２時から１５時まで　南東　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日１５時から１８時まで　南東　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日１８時から２１時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日２１時から２４時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０７日００時から０３時まで　南　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０７日０３時から０６時まで　南　　　　　　　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、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。