2026-11-02T02:00:00Z 通常 気象庁本庁 気象庁 2026-11-02T11:00:00+09:00 2026-11-02T12:00:00+09:00 2026-11-03T06:00:00+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、２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 2026-11-02T12:00:00+09:00 2026-11-02T15:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7999+130.3400/+30.7861+130.3600/+30.7800+130.3671/+30.7757+130.3800/+30.7600+130.3955/+30.7576+130.4000/+30.7400+130.4179/+30.7386+130.4200/+30.7200+130.4392/+30.7194+130.4400/+30.7089+130.4600/+30.7000+130.4687/+30.6942+130.4800/+30.6800+130.4957/+30.6774+130.5000/+30.6639+130.5200/+30.6600+130.5246/+30.6538+130.5400/+30.6400+130.5561/+30.6374+130.5600/+30.6333+130.5800/+30.6211+130.6000/+30.6200+130.6016/+30.6058+130.6200/+30.6000+130.6251/+30.5897+130.6400/+30.5823+130.6600/+30.5800+130.6636/+30.5642+130.6800/+30.5600+130.6850/+30.5472+130.7000/+30.5400+130.7084/+30.5302+130.7200/+30.5200+130.7330/+30.5121+130.7400/+30.5000+130.7549/+30.4879+130.7600/+30.4800+130.7638/+30.4600+130.7783/+30.4533+130.7800/+30.4400+130.7872/+30.4335+130.7800/+30.4295+130.7600/+30.4340+130.7400/+30.4400+130.7280/+30.4453+130.7200/+30.4535+130.7000/+30.4600+130.6912/+30.4673+130.6800/+30.4800+130.6646/+30.4821+130.6600/+30.4888+130.6400/+30.4966+130.6200/+30.5000+130.6130/+30.5073+130.6000/+30.5200+130.5844/+30.5220+130.5800/+30.5344+130.5600/+30.5400+130.5539/+30.5451+130.5400/+30.5569+130.5200/+30.5600+130.5152/+30.5671+130.5000/+30.5800+130.4892/+30.5909+130.4800/+30.6000+130.4707/+30.6069+130.4600/+30.6200+130.4470/+30.6243+130.4400/+30.6400+130.4241/+30.6426+130.4200/+30.6600+130.4023/+30.6614+130.4000/+30.6800+130.3815/+30.6808+130.3800/+30.7000+130.3607/+30.7004+130.3600/+30.7200+130.3404/+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/ +30.4059+130.8000/+30.4000+130.8023/+30.3992+130.8000/+30.4000+130.7989/+30.4059+130.8000/ 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/+30.8186+130.3200/+30.8000+130.3386/+30.7800+130.3397/+30.7607+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 2026-11-02T15:00:00+09:00 2026-11-02T18:00:00+09:00 降灰 70 +30.8196+130.3000/+30.8196+130.3200/+30.8000+130.3396/+30.7995+130.3400/+30.7800+130.3595/+30.7785+130.3600/+30.7600+130.3785/+30.7566+130.3800/+30.7400+130.3966/+30.7346+130.4000/+30.7200+130.4146/+30.7131+130.4200/+30.7000+130.4333/+30.6923+130.4400/+30.6800+130.4525/+30.6700+130.4600/+30.6600+130.4700/+30.6472+130.4800/+30.6400+130.4878/+30.6307+130.5000/+30.6200+130.5110/+30.6103+130.5200/+30.6000+130.5378/+30.5986+130.5400/+30.5804+130.5600/+30.5800+130.5604/+30.5600+130.5797/+30.5597+130.5800/+30.5437+130.6000/+30.5400+130.6060/+30.5291+130.6200/+30.5200+130.6260/+30.5038+130.6400/+30.5000+130.6463/+30.4883+130.6600/+30.4800+130.6665/+30.4653+130.6800/+30.4600+130.6872/+30.4401+130.7000/+30.4400+130.7001/+30.4200+130.7174/+30.4173+130.7200/+30.4000+130.7387/+30.3947+130.7400/+30.3800+130.7454/+30.3662+130.7600/+30.3600+130.7651/+30.3400+130.7655/+30.3367+130.7600/+30.3400+130.7406/+30.3402+130.7400/+30.3600+130.7206/+30.3606+130.7200/+30.3675+130.7000/+30.3800+130.6815/+30.3809+130.6800/+30.3903+130.6600/+30.4000+130.6430/+30.4016+130.6400/+30.4137+130.6200/+30.4200+130.6052/+30.4219+130.6000/+30.4376+130.5800/+30.4400+130.5777/+30.4528+130.5600/+30.4600+130.5470/+30.4645+130.5400/+30.4800+130.5209/+30.4804+130.5200/+30.4934+130.5000/+30.5000+130.4912/+30.5075+130.4800/+30.5200+130.4665/+30.5256+130.4600/+30.5400+130.4466/+30.5478+130.4400/+30.5600+130.4325/+30.5759+130.4200/+30.5800+130.4164/+30.6000+130.4017/+30.6018+130.4000/+30.6200+130.3834/+30.6247+130.3800/+30.6400+130.3656/+30.6522+130.3600/+30.6600+130.3523/+30.6800+130.3411/+30.6824+130.3400/+30.7000+130.3226/+30.7200+130.3200/+30.7201+130.3200/+30.7400+130.3004/+30.7420+130.3000/+30.7600+130.2820/+30.7800+130.2801/+30.8000+130.2804/+30.8196+130.3000/ 南東 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 1 +30.8188+130.3000/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3393/+30.7601+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 2026-11-02T18:00:00+09:00 2026-11-02T21:00:00+09:00 降灰 70 +30.8195+130.3000/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3400/+30.7600+130.3597/+30.7516+130.3600/+30.7400+130.3716/+30.7200+130.3794/+30.7137+130.3800/+30.7000+130.3933/+30.6800+130.3992/+30.6767+130.4000/+30.6600+130.4158/+30.6434+130.4200/+30.6400+130.4232/+30.6200+130.4371/+30.6085+130.4400/+30.6000+130.4477/+30.5800+130.4595/+30.5786+130.4600/+30.5644+130.4800/+30.5600+130.4853/+30.5400+130.4955/+30.5301+130.5000/+30.5200+130.5072/+30.5000+130.5188/+30.4982+130.5200/+30.4819+130.5400/+30.4800+130.5415/+30.4617+130.5600/+30.4600+130.5633/+30.4456+130.5800/+30.4400+130.5838/+30.4272+130.6000/+30.4200+130.6155/+30.4158+130.6200/+30.4000+130.6311/+30.3800+130.6282/+30.3600+130.6218/+30.3578+130.6200/+30.3433+130.6000/+30.3440+130.5800/+30.3443+130.5600/+30.3452+130.5400/+30.3467+130.5200/+30.3481+130.5000/+30.3557+130.4800/+30.3600+130.4722/+30.3676+130.4600/+30.3800+130.4483/+30.3921+130.4400/+30.4000+130.4346/+30.4200+130.4221/+30.4256+130.4200/+30.4400+130.4158/+30.4600+130.4126/+30.4800+130.4055/+30.4940+130.4000/+30.5000+130.3953/+30.5200+130.3809/+30.5400+130.3808/+30.5418+130.3800/+30.5600+130.3676/+30.5800+130.3615/+30.5850+130.3600/+30.6000+130.3489/+30.6200+130.3421/+30.6346+130.3400/+30.6400+130.3354/+30.6600+130.3223/+30.6800+130.3204/+30.6825+130.3200/+30.7000+130.3033/+30.7200+130.3004/+30.7376+130.3000/+30.7400+130.2976/+30.7600+130.2803/+30.7800+130.2801/+30.8000+130.2805/+30.8195+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/+30.7969+130.3200/+30.7800+130.3369/+30.7600+130.3220/+30.7579+130.3200/+30.7600+130.3185/+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 2026-11-02T21:00:00+09:00 2026-11-03T00:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8193+130.3200/+30.8000+130.3393/+30.7800+130.3399/+30.7600+130.3400/+30.7592+130.3400/+30.7400+130.3584/+30.7200+130.3594/+30.7000+130.3597/+30.6932+130.3600/+30.6800+130.3717/+30.6600+130.3772/+30.6400+130.3786/+30.6224+130.3800/+30.6200+130.3819/+30.6000+130.3914/+30.5800+130.3966/+30.5600+130.3979/+30.5448+130.4000/+30.5400+130.4044/+30.5200+130.4108/+30.5000+130.4121/+30.4800+130.4121/+30.4600+130.4134/+30.4414+130.4200/+30.4400+130.4206/+30.4358+130.4200/+30.4200+130.4176/+30.4000+130.4139/+30.3800+130.4004/+30.3796+130.4000/+30.3600+130.3908/+30.3400+130.3822/+30.3343+130.3800/+30.3200+130.3736/+30.3000+130.3617/+30.2930+130.3600/+30.2800+130.3515/+30.2647+130.3400/+30.2783+130.3200/+30.2800+130.3177/+30.2946+130.3000/+30.3000+130.2986/+30.3200+130.2997/+30.3247+130.3000/+30.3400+130.3008/+30.3458+130.3000/+30.3600+130.2989/+30.3800+130.2995/+30.3967+130.3000/+30.4000+130.3001/+30.4019+130.3000/+30.4200+130.2992/+30.4226+130.3000/+30.4400+130.3040/+30.4600+130.3033/+30.4800+130.3024/+30.5000+130.3011/+30.5095+130.3000/+30.5200+130.2980/+30.5233+130.3000/+30.5400+130.3030/+30.5600+130.3021/+30.5800+130.3016/+30.6000+130.3007/+30.6154+130.3000/+30.6200+130.2983/+30.6400+130.2919/+30.6600+130.2884/+30.6800+130.2842/+30.7000+130.2818/+30.7200+130.2806/+30.7400+130.2802/+30.7600+130.2801/+30.7800+130.2800/+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/+30.7919+130.3200/+30.7800+130.3319/+30.7600+130.3216/+30.7577+130.3200/+30.7600+130.3084/+30.7601+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 4 鹿児島県三島村 4630300 2026-11-03T00:00:00+09:00 2026-11-03T03:00:00+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+130.3396/+30.7000+130.3395/+30.6800+130.3394/+30.6600+130.3394/+30.6400+130.3393/+30.6200+130.3397/+30.6000+130.3393/+30.5800+130.3379/+30.5600+130.3358/+30.5400+130.3336/+30.5200+130.3326/+30.5000+130.3283/+30.4800+130.3226/+30.4734+130.3200/+30.4600+130.3146/+30.4400+130.3041/+30.4291+130.3000/+30.4200+130.2962/+30.4000+130.2818/+30.3970+130.2800/+30.3800+130.2648/+30.3729+130.2600/+30.3600+130.2528/+30.3483+130.2400/+30.3600+130.2203/+30.3610+130.2200/+30.3800+130.2158/+30.4000+130.2130/+30.4200+130.2097/+30.4400+130.2081/+30.4600+130.2102/+30.4800+130.2157/+30.5000+130.2133/+30.5200+130.2163/+30.5246+130.2200/+30.5400+130.2238/+30.5600+130.2275/+30.5800+130.2295/+30.6000+130.2353/+30.6163+130.2400/+30.6200+130.2403/+30.6400+130.2424/+30.6600+130.2453/+30.6800+130.2488/+30.6968+130.2600/+30.7000+130.2602/+30.7200+130.2607/+30.7400+130.2609/+30.7600+130.2619/+30.7800+130.2697/+30.7926+130.2800/+30.8000+130.2801/+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+130.3193/+30.7605+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 2026-11-03T03:00:00+09:00 2026-11-03T06:00:00+09:00 降灰 70 +30.8199+130.3000/+30.8194+130.3200/+30.8000+130.3394/+30.7800+130.3398/+30.7600+130.3393/+30.7400+130.3338/+30.7233+130.3200/+30.7200+130.3199/+30.7000+130.3196/+30.6800+130.3189/+30.6600+130.3174/+30.6400+130.3148/+30.6200+130.3096/+30.6011+130.3000/+30.6000+130.2998/+30.5800+130.2964/+30.5600+130.2915/+30.5427+130.2800/+30.5400+130.2788/+30.5200+130.2766/+30.5000+130.2704/+30.4813+130.2600/+30.4800+130.2590/+30.4600+130.2456/+30.4534+130.2400/+30.4400+130.2238/+30.4360+130.2200/+30.4209+130.2000/+30.4234+130.1800/+30.4285+130.1600/+30.4400+130.1526/+30.4600+130.1481/+30.4800+130.1494/+30.4964+130.1600/+30.5000+130.1613/+30.5200+130.1671/+30.5400+130.1739/+30.5468+130.1800/+30.5600+130.1866/+30.5800+130.1963/+30.5857+130.2000/+30.6000+130.2040/+30.6200+130.2098/+30.6335+130.2200/+30.6400+130.2215/+30.6600+130.2249/+30.6800+130.2347/+30.6860+130.2400/+30.7000+130.2413/+30.7200+130.2452/+30.7367+130.2600/+30.7400+130.2601/+30.7600+130.2602/+30.7800+130.2614/+30.7993+130.2800/+30.8000+130.2801/+30.8199+130.3000/ 南 40 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+130.3187/+30.7609+130.3000/+30.7800+130.2813/+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、２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。 　２日１２時から３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 　０２日１２時から１５時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０２日１５時から１８時まで　南東　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　０２日１８時から２１時まで　南東　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０２日２１時から２４時まで　南　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０３日００時から０３時まで　南　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０３日０３時から０６時まで　南　　　　　　　４０ｋｍ　　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。