2026-10-28T03:21:00Z 通常 気象庁本庁 気象庁 2026-10-28T12:21:00+09:00 2026-10-28T11:58:00+09:00 2026-10-28T18:00:00+09:00 506 発表 1 降灰予報 1.1_0 　２８日１８時までに鹿児島市（桜島）ではやや多量の降灰があり、降灰は鹿児島県南大隅町まで予想されます。 降灰予報（詳細） 08 桜島 506 やや多量の降灰 72 鹿児島県鹿児島市 4620100 少量の降灰 71 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 鹿児島県肝付町 4649200 降灰予報（詳細） 08 桜島 506 +3135.55+13039.40+1117/ 南岳山頂火口 +3134.63+13039.53+1060/ やや多量の降灰 72 鹿児島県鹿児島市 4620100 少量の降灰 71 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 鹿児島県肝付町 4649200 2026-10-28T11:58:00+09:00 2026-10-28T13:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6541/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5371+130.7000/+31.5200+130.7167/+31.5115+130.7200/+31.5000+130.7312/+31.4800+130.7394/+31.4783+130.7400/+31.4600+130.7548/+31.4400+130.7537/+31.4271+130.7400/+31.4234+130.7200/+31.4233+130.7000/+31.4247+130.6800/+31.4327+130.6600/+31.4400+130.6510/+31.4475+130.6400/+31.4600+130.6290/+31.4800+130.6214/+31.4998+130.6200/+31.5000+130.6199/+31.5200+130.6144/+31.5400+130.6072/+31.5600+130.6064/+31.5743+130.6200/+31.5800+130.6201/+31.5999+130.6400/ 南 20 鹿児島県鹿児島市 4620100 鹿児島県垂水市 4621400 2026-10-28T11:58:00+09:00 2026-10-28T14:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6540/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5373+130.7000/+31.5200+130.7168/+31.5116+130.7200/+31.5000+130.7312/+31.4800+130.7395/+31.4790+130.7400/+31.4600+130.7572/+31.4533+130.7600/+31.4400+130.7709/+31.4200+130.7771/+31.4127+130.7800/+31.4000+130.7906/+31.3801+130.8000/+31.3800+130.8001/+31.3600+130.8111/+31.3400+130.8173/+31.3287+130.8200/+31.3200+130.8253/+31.3000+130.8310/+31.2846+130.8200/+31.2800+130.8138/+31.2731+130.8000/+31.2797+130.7800/+31.2800+130.7796/+31.2891+130.7600/+31.2933+130.7400/+31.3000+130.7314/+31.3061+130.7200/+31.3139+130.7000/+31.3200+130.6893/+31.3239+130.6800/+31.3323+130.6600/+31.3395+130.6400/+31.3400+130.6389/+31.3521+130.6200/+31.3600+130.6138/+31.3800+130.6018/+31.4000+130.6022/+31.4200+130.6040/+31.4400+130.6064/+31.4600+130.6103/+31.4800+130.6084/+31.5000+130.6097/+31.5200+130.6087/+31.5400+130.6043/+31.5600+130.6039/+31.5766+130.6200/+31.5800+130.6201/+31.5999+130.6400/ 南 40 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 2026-10-28T11:58:00+09:00 2026-10-28T15:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6540/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5374+130.7000/+31.5200+130.7168/+31.5116+130.7200/+31.5000+130.7312/+31.4800+130.7395/+31.4790+130.7400/+31.4600+130.7572/+31.4533+130.7600/+31.4400+130.7709/+31.4200+130.7771/+31.4127+130.7800/+31.4000+130.7906/+31.3803+130.8000/+31.3800+130.8002/+31.3600+130.8119/+31.3400+130.8189/+31.3366+130.8200/+31.3200+130.8335/+31.3097+130.8400/+31.3000+130.8560/+31.2980+130.8600/+31.2800+130.8748/+31.2731+130.8800/+31.2600+130.8894/+31.2510+130.9000/+31.2400+130.9097/+31.2200+130.9037/+31.2063+130.9000/+31.2000+130.8985/+31.1829+130.8800/+31.1800+130.8754/+31.1695+130.8600/+31.1669+130.8400/+31.1800+130.8245/+31.1899+130.8200/+31.1972+130.8000/+31.2000+130.7962/+31.2075+130.7800/+31.2200+130.7627/+31.2224+130.7600/+31.2291+130.7400/+31.2400+130.7244/+31.2431+130.7200/+31.2489+130.7000/+31.2590+130.6800/+31.2600+130.6790/+31.2799+130.6600/+31.2800+130.6599/+31.3000+130.6507/+31.3093+130.6400/+31.3200+130.6267/+31.3252+130.6200/+31.3400+130.6083/+31.3600+130.6051/+31.3780+130.6000/+31.3800+130.5992/+31.3835+130.6000/+31.4000+130.6015/+31.4200+130.6037/+31.4400+130.6064/+31.4600+130.6101/+31.4800+130.6084/+31.5000+130.6096/+31.5200+130.6087/+31.5400+130.6042/+31.5600+130.6038/+31.5767+130.6200/+31.5800+130.6201/+31.5999+130.6400/ 南 50 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 2026-10-28T11:58:00+09:00 2026-10-28T16:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6540/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5374+130.7000/+31.5200+130.7168/+31.5116+130.7200/+31.5000+130.7312/+31.4800+130.7395/+31.4790+130.7400/+31.4600+130.7572/+31.4533+130.7600/+31.4400+130.7709/+31.4200+130.7771/+31.4127+130.7800/+31.4000+130.7906/+31.3804+130.8000/+31.3800+130.8003/+31.3600+130.8120/+31.3400+130.8189/+31.3368+130.8200/+31.3200+130.8337/+31.3103+130.8400/+31.3000+130.8576/+31.2989+130.8600/+31.2800+130.8768/+31.2762+130.8800/+31.2600+130.8929/+31.2549+130.9000/+31.2400+130.9144/+31.2241+130.9200/+31.2200+130.9224/+31.2000+130.9303/+31.1872+130.9200/+31.1800+130.9097/+31.1600+130.9101/+31.1400+130.9137/+31.1220+130.9000/+31.1200+130.8976/+31.1050+130.8800/+31.1200+130.8649/+31.1306+130.8800/+31.1400+130.8885/+31.1493+130.8800/+31.1400+130.8647/+31.1310+130.8600/+31.1400+130.8532/+31.1429+130.8400/+31.1434+130.8200/+31.1600+130.8074/+31.1734+130.8000/+31.1800+130.7807/+31.1802+130.7800/+31.2000+130.7620/+31.2015+130.7600/+31.2095+130.7400/+31.2200+130.7295/+31.2284+130.7200/+31.2365+130.7000/+31.2400+130.6931/+31.2471+130.6800/+31.2600+130.6677/+31.2688+130.6600/+31.2800+130.6507/+31.3000+130.6466/+31.3078+130.6400/+31.3200+130.6260/+31.3245+130.6200/+31.3400+130.6076/+31.3600+130.6049/+31.3778+130.6000/+31.3800+130.5992/+31.3836+130.6000/+31.4000+130.6015/+31.4200+130.6037/+31.4400+130.6064/+31.4600+130.6101/+31.4800+130.6084/+31.5000+130.6096/+31.5200+130.6087/+31.5400+130.6042/+31.5600+130.6038/+31.5767+130.6200/+31.5800+130.6201/+31.5999+130.6400/ 南 50 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 鹿児島県肝付町 4649200 2026-10-28T11:58:00+09:00 2026-10-28T17:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6540/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5374+130.7000/+31.5200+130.7168/+31.5116+130.7200/+31.5000+130.7312/+31.4800+130.7395/+31.4790+130.7400/+31.4600+130.7572/+31.4533+130.7600/+31.4400+130.7709/+31.4200+130.7771/+31.4127+130.7800/+31.4000+130.7906/+31.3804+130.8000/+31.3800+130.8003/+31.3600+130.8120/+31.3400+130.8189/+31.3368+130.8200/+31.3200+130.8338/+31.3103+130.8400/+31.3000+130.8581/+31.2992+130.8600/+31.2800+130.8773/+31.2768+130.8800/+31.2600+130.8930/+31.2552+130.9000/+31.2400+130.9158/+31.2302+130.9200/+31.2200+130.9260/+31.2000+130.9319/+31.1839+130.9200/+31.1800+130.9150/+31.1600+130.9131/+31.1400+130.9175/+31.1200+130.9034/+31.1155+130.9000/+31.1007+130.8800/+31.1000+130.8756/+31.0968+130.8600/+31.1000+130.8561/+31.1200+130.8482/+31.1295+130.8400/+31.1340+130.8200/+31.1400+130.8124/+31.1600+130.8035/+31.1679+130.8000/+31.1775+130.7800/+31.1800+130.7764/+31.1967+130.7600/+31.2000+130.7523/+31.2041+130.7400/+31.2200+130.7239/+31.2238+130.7200/+31.2301+130.7000/+31.2399+130.6800/+31.2400+130.6798/+31.2600+130.6641/+31.2654+130.6600/+31.2800+130.6492/+31.3000+130.6464/+31.3078+130.6400/+31.3200+130.6260/+31.3245+130.6200/+31.3400+130.6076/+31.3600+130.6049/+31.3778+130.6000/+31.3800+130.5992/+31.3836+130.6000/+31.4000+130.6015/+31.4200+130.6037/+31.4400+130.6064/+31.4600+130.6101/+31.4800+130.6084/+31.5000+130.6096/+31.5200+130.6087/+31.5400+130.6042/+31.5600+130.6038/+31.5767+130.6200/+31.5800+130.6201/+31.5999+130.6400/ +31.1410+130.8800/+31.1400+130.8808/+31.1392+130.8800/+31.1400+130.8790/+31.1410+130.8800/ +31.0828+130.8000/+31.0926+130.8200/+31.0800+130.8246/+31.0747+130.8200/+31.0776+130.8000/+31.0800+130.7963/+31.0828+130.8000/ 南 60 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 鹿児島県肝付町 4649200 2026-10-28T11:58:00+09:00 2026-10-28T18:00:00+09:00 やや多量の降灰 72 0.1 +31.5721+130.6600/+31.5600+130.6644/+31.5540+130.6600/+31.5600+130.6540/+31.5721+130.6600/ 南 2 鹿児島県鹿児島市 4620100 少量の降灰 71 0.0001 +31.5999+130.6400/+31.6000+130.6600/+31.5923+130.6800/+31.5800+130.6923/+31.5600+130.6991/+31.5400+130.6997/+31.5374+130.7000/+31.5200+130.7168/+31.5116+130.7200/+31.5000+130.7312/+31.4800+130.7395/+31.4790+130.7400/+31.4600+130.7572/+31.4533+130.7600/+31.4400+130.7709/+31.4200+130.7771/+31.4127+130.7800/+31.4000+130.7906/+31.3804+130.8000/+31.3800+130.8003/+31.3600+130.8121/+31.3400+130.8190/+31.3371+130.8200/+31.3200+130.8339/+31.3103+130.8400/+31.3000+130.8586/+31.2994+130.8600/+31.2800+130.8775/+31.2770+130.8800/+31.2600+130.8932/+31.2553+130.9000/+31.2400+130.9162/+31.2309+130.9200/+31.2200+130.9260/+31.2000+130.9319/+31.1837+130.9200/+31.1800+130.9155/+31.1600+130.9134/+31.1400+130.9176/+31.1200+130.9044/+31.1142+130.9000/+31.1003+130.8800/+31.1000+130.8780/+31.0957+130.8600/+31.1000+130.8554/+31.1200+130.8473/+31.1290+130.8400/+31.1333+130.8200/+31.1400+130.8114/+31.1600+130.8030/+31.1670+130.8000/+31.1770+130.7800/+31.1800+130.7757/+31.1963+130.7600/+31.2000+130.7502/+31.2029+130.7400/+31.2200+130.7229/+31.2228+130.7200/+31.2284+130.7000/+31.2388+130.6800/+31.2400+130.6785/+31.2600+130.6640/+31.2652+130.6600/+31.2800+130.6488/+31.3000+130.6463/+31.3077+130.6400/+31.3200+130.6260/+31.3245+130.6200/+31.3400+130.6076/+31.3600+130.6049/+31.3778+130.6000/+31.3800+130.5992/+31.3836+130.6000/+31.4000+130.6015/+31.4200+130.6037/+31.4400+130.6064/+31.4600+130.6101/+31.4800+130.6084/+31.5000+130.6096/+31.5200+130.6087/+31.5400+130.6042/+31.5600+130.6038/+31.5767+130.6200/+31.5800+130.6201/+31.5999+130.6400/ +31.0861+130.8000/+31.0975+130.8200/+31.0800+130.8298/+31.0677+130.8200/+31.0741+130.8000/+31.0800+130.7919/+31.0861+130.8000/ 南 60 鹿児島県鹿児島市 4620100 鹿児島県鹿屋市 4620300 鹿児島県指宿市 4621000 鹿児島県垂水市 4621400 鹿児島県錦江町 4649000 鹿児島県南大隅町 4649100 鹿児島県肝付町 4649200 　２８日１８時までに鹿児島市（桜島）ではやや多量の降灰があり、降灰は鹿児島県南大隅町まで予想されます。 １．火山活動の状況及び予報事項 　２８日１１時５８分に桜島（南岳山頂火口）で噴火が発生し、噴煙は火口縁上２２００ｍまで上がりました。 　火口から南方向（指宿方向）に火山灰が流され、２８日１８時までに鹿児島市（桜島）ではやや多量の降灰があり、降灰は鹿児島県南大隅町まで予想されます。 ２．対象市町村等 　２８日１８時までに予想される降灰量は各市町村の多いところで次のとおりです。 　やや多量　鹿児島県：鹿児島市 　少量　　　鹿児島県：垂水市、鹿屋市、錦江町、指宿市、南大隅町、肝付町 　予想される各市町村の降灰開始時刻は次のとおりです。 　１３時まで　鹿児島県：鹿児島市、垂水市 　１４時まで　鹿児島県：鹿屋市、錦江町 　１５時まで　鹿児島県：指宿市、南大隅町 　１６時まで　鹿児島県：肝付町 　やや多量の降灰が予想される範囲内では、傘やマスク等で防灰対策をして、徐行運転を心掛けてください。 ＊＊（参考：降灰量階級　名称・厚さ・キーワードなど）＊＊ 【多　　量】【 1mm以上】火山灰がまきあげられ視界不良となり地面は完全に覆われる【外出を控える】 【やや多量】【0.1 - 1mm】火山灰が降っているのが明らかにわかり路面表示は見えにくくなる【注意】 【少　　量】【0.1mm未満】火山灰が降っているのがようやくわかり地面にうっすら積もる 2026-10-28T11:58:00+09:00 2026-10-28T02:58:00Z 2200 10700 流向不明