2026-08-09T14:00:00Z 通常 気象庁本庁 気象庁 2026-08-09T23:00:00+09:00 2026-08-10T00:00:00+09:00 2026-08-10T18:00:00+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、１０日０９時から１２時までは火口から西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 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 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-08-10T00:00:00+09:00 2026-08-10T03:00:00+09:00 降灰 70 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西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8155+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7845+130.2800/+30.8000+130.2601/+30.8155+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T03:00:00+09:00 2026-08-10T06:00:00+09:00 降灰 70 +31.0004+129.5400/+31.0038+129.5600/+31.0054+129.5800/+31.0067+129.6000/+31.0000+129.6194/+30.9990+129.6200/+30.9886+129.6400/+30.9857+129.6600/+30.9835+129.6800/+30.9821+129.7000/+30.9800+129.7146/+30.9793+129.7200/+30.9769+129.7400/+30.9745+129.7600/+30.9717+129.7800/+30.9687+129.8000/+30.9600+129.8093/+30.9554+129.8200/+30.9529+129.8400/+30.9501+129.8600/+30.9472+129.8800/+30.9427+129.9000/+30.9400+129.9087/+30.9360+129.9200/+30.9267+129.9400/+30.9213+129.9600/+30.9200+129.9633/+30.9151+129.9800/+30.9057+130.0000/+30.9000+130.0042/+30.8957+130.0200/+30.8909+130.0400/+30.8800+130.0583/+30.8798+130.0600/+30.8784+130.0800/+30.8763+130.1000/+30.8679+130.1200/+30.8600+130.1301/+30.8596+130.1400/+30.8591+130.1600/+30.8579+130.1800/+30.8511+130.2000/+30.8400+130.2112/+30.8399+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8364+130.2800/+30.8200+130.2978/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7604+130.3000/+30.7603+130.2800/+30.7641+130.2600/+30.7800+130.2441/+30.7801+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7812+130.1800/+30.7860+130.1600/+30.8000+130.1441/+30.8002+130.1400/+30.8007+130.1200/+30.8015+130.1000/+30.8038+130.0800/+30.8106+130.0600/+30.8200+130.0477/+30.8207+130.0400/+30.8216+130.0200/+30.8238+130.0000/+30.8200+129.9838/+30.8163+129.9800/+30.8200+129.9700/+30.8230+129.9600/+30.8338+129.9400/+30.8400+129.9327/+30.8426+129.9200/+30.8450+129.9000/+30.8465+129.8800/+30.8494+129.8600/+30.8537+129.8400/+30.8584+129.8200/+30.8600+129.8151/+30.8671+129.8000/+30.8698+129.7800/+30.8762+129.7600/+30.8800+129.7497/+30.8845+129.7400/+30.8958+129.7200/+30.9000+129.7148/+30.9111+129.7000/+30.9172+129.6800/+30.9200+129.6705/+30.9231+129.6600/+30.9300+129.6400/+30.9400+129.6202/+30.9403+129.6200/+30.9600+129.6033/+30.9677+129.6000/+30.9800+129.5861/+30.9838+129.5800/+30.9925+129.5600/+30.9994+129.5400/+31.0000+129.5383/+31.0004+129.5400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8159+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2602/+30.8159+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T06:00:00+09:00 2026-08-10T09:00:00+09:00 降灰 70 +31.0047+129.5000/+31.0053+129.5200/+31.0058+129.5400/+31.0045+129.5600/+31.0015+129.5800/+31.0000+129.5896/+30.9953+129.6000/+30.9863+129.6200/+30.9836+129.6400/+30.9814+129.6600/+30.9800+129.6722/+30.9792+129.6800/+30.9774+129.7000/+30.9747+129.7200/+30.9720+129.7400/+30.9689+129.7600/+30.9648+129.7800/+30.9600+129.7996/+30.9599+129.8000/+30.9507+129.8200/+30.9477+129.8400/+30.9446+129.8600/+30.9404+129.8800/+30.9400+129.8816/+30.9339+129.9000/+30.9276+129.9200/+30.9207+129.9400/+30.9200+129.9424/+30.9167+129.9600/+30.9087+129.9800/+30.9000+129.9923/+30.8992+130.0000/+30.8925+130.0200/+30.8816+130.0400/+30.8800+130.0424/+30.8788+130.0600/+30.8774+130.0800/+30.8747+130.1000/+30.8640+130.1200/+30.8600+130.1245/+30.8593+130.1400/+30.8588+130.1600/+30.8572+130.1800/+30.8451+130.2000/+30.8400+130.2054/+30.8399+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8359+130.2800/+30.8200+130.2970/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7604+130.3000/+30.7603+130.2800/+30.7632+130.2600/+30.7800+130.2431/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7829+130.1600/+30.7943+130.1400/+30.8000+130.1329/+30.8004+130.1200/+30.8010+130.1000/+30.8021+130.0800/+30.8046+130.0600/+30.8103+130.0400/+30.8200+130.0216/+30.8201+130.0200/+30.8217+130.0000/+30.8200+129.9913/+30.8102+129.9800/+30.8155+129.9600/+30.8200+129.9488/+30.8230+129.9400/+30.8362+129.9200/+30.8400+129.9143/+30.8424+129.9000/+30.8440+129.8800/+30.8466+129.8600/+30.8502+129.8400/+30.8538+129.8200/+30.8591+129.8000/+30.8600+129.7969/+30.8652+129.7800/+30.8705+129.7600/+30.8767+129.7400/+30.8800+129.7295/+30.8837+129.7200/+30.8944+129.7000/+30.9000+129.6889/+30.9053+129.6800/+30.9144+129.6600/+30.9200+129.6436/+30.9212+129.6400/+30.9285+129.6200/+30.9367+129.6000/+30.9400+129.5900/+30.9480+129.5800/+30.9600+129.5618/+30.9643+129.5600/+30.9800+129.5455/+30.9824+129.5400/+30.9902+129.5200/+30.9943+129.5000/+31.0000+129.4886/+31.0047+129.5000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8152+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7848+130.2800/+30.8000+130.2603/+30.8152+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T09:00:00+09:00 2026-08-10T12:00:00+09:00 降灰 70 +31.0075+129.5600/+31.0133+129.5800/+31.0163+129.6000/+31.0151+129.6200/+31.0141+129.6400/+31.0103+129.6600/+31.0019+129.6800/+31.0000+129.6837/+30.9921+129.7000/+30.9880+129.7200/+30.9857+129.7400/+30.9839+129.7600/+30.9821+129.7800/+30.9806+129.8000/+30.9800+129.8035/+30.9721+129.8200/+30.9600+129.8288/+30.9571+129.8400/+30.9544+129.8600/+30.9519+129.8800/+30.9501+129.9000/+30.9478+129.9200/+30.9400+129.9302/+30.9346+129.9400/+30.9309+129.9600/+30.9255+129.9800/+30.9200+129.9947/+30.9184+130.0000/+30.9000+130.0151/+30.8988+130.0200/+30.8963+130.0400/+30.8913+130.0600/+30.8800+130.0759/+30.8796+130.0800/+30.8785+130.1000/+30.8763+130.1200/+30.8658+130.1400/+30.8600+130.1463/+30.8595+130.1600/+30.8591+130.1800/+30.8571+130.2000/+30.8400+130.2185/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8385+130.2800/+30.8200+130.2986/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7603+130.3000/+30.7604+130.2800/+30.7732+130.2600/+30.7800+130.2532/+30.7801+130.2400/+30.7802+130.2200/+30.7808+130.2000/+30.7840+130.1800/+30.8000+130.1620/+30.8001+130.1600/+30.8006+130.1400/+30.8016+130.1200/+30.8045+130.1000/+30.8144+130.0800/+30.8200+130.0728/+30.8210+130.0600/+30.8224+130.0400/+30.8260+130.0200/+30.8331+130.0000/+30.8327+129.9800/+30.8400+129.9703/+30.8414+129.9600/+30.8443+129.9400/+30.8484+129.9200/+30.8535+129.9000/+30.8537+129.8800/+30.8591+129.8600/+30.8600+129.8577/+30.8708+129.8400/+30.8800+129.8268/+30.8821+129.8200/+30.8882+129.8000/+30.8870+129.7800/+30.9000+129.7652/+30.9041+129.7600/+30.9130+129.7400/+30.9184+129.7200/+30.9200+129.7140/+30.9238+129.7000/+30.9293+129.6800/+30.9366+129.6600/+30.9400+129.6526/+30.9510+129.6400/+30.9600+129.6292/+30.9690+129.6200/+30.9790+129.6000/+30.9800+129.5977/+30.9872+129.5800/+30.9953+129.5600/+31.0000+129.5495/+31.0075+129.5600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8150+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2615/+30.8150+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T12:00:00+09:00 2026-08-10T15:00:00+09:00 降灰 70 +31.0022+129.5600/+31.0018+129.5800/+31.0014+129.6000/+31.0000+129.6069/+30.9963+129.6000/+30.9970+129.5800/+30.9973+129.5600/+31.0000+129.5504/+31.0022+129.5600/ +30.9846+129.6400/+30.9838+129.6600/+30.9811+129.6800/+30.9800+129.6941/+30.9796+129.7000/+30.9778+129.7200/+30.9763+129.7400/+30.9745+129.7600/+30.9722+129.7800/+30.9698+129.8000/+30.9600+129.8100/+30.9551+129.8200/+30.9517+129.8400/+30.9495+129.8600/+30.9473+129.8800/+30.9447+129.9000/+30.9414+129.9200/+30.9400+129.9219/+30.9300+129.9400/+30.9249+129.9600/+30.9200+129.9741/+30.9186+129.9800/+30.9114+130.0000/+30.9000+130.0087/+30.8969+130.0200/+30.8936+130.0400/+30.8873+130.0600/+30.8800+130.0701/+30.8791+130.0800/+30.8778+130.1000/+30.8751+130.1200/+30.8607+130.1400/+30.8600+130.1408/+30.8594+130.1600/+30.8588+130.1800/+30.8563+130.2000/+30.8400+130.2180/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8382+130.2800/+30.8200+130.2982/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7603+130.3000/+30.7603+130.2800/+30.7638+130.2600/+30.7800+130.2436/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7814+130.1800/+30.7847+130.1600/+30.7989+130.1400/+30.8000+130.1384/+30.8007+130.1200/+30.8017+130.1000/+30.8035+130.0800/+30.8078+130.0600/+30.8200+130.0418/+30.8203+130.0400/+30.8211+130.0200/+30.8233+130.0000/+30.8200+129.9837/+30.8167+129.9800/+30.8200+129.9707/+30.8229+129.9600/+30.8330+129.9400/+30.8400+129.9322/+30.8430+129.9200/+30.8463+129.9000/+30.8489+129.8800/+30.8524+129.8600/+30.8580+129.8400/+30.8600+129.8314/+30.8633+129.8200/+30.8719+129.8000/+30.8733+129.7800/+30.8800+129.7638/+30.8820+129.7600/+30.8936+129.7400/+30.9000+129.7299/+30.9077+129.7200/+30.9184+129.7000/+30.9200+129.6948/+30.9244+129.6800/+30.9304+129.6600/+30.9381+129.6400/+30.9400+129.6365/+30.9600+129.6224/+30.9800+129.6301/+30.9846+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8148+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7852+130.2800/+30.8000+130.2616/+30.8148+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T15:00:00+09:00 2026-08-10T18:00:00+09:00 降灰 70 +30.9565+129.6000/+30.9547+129.6200/+30.9538+129.6400/+30.9500+129.6600/+30.9446+129.6800/+30.9407+129.7000/+30.9400+129.7054/+30.9387+129.7200/+30.9377+129.7400/+30.9366+129.7600/+30.9355+129.7800/+30.9346+129.8000/+30.9260+129.8200/+30.9200+129.8318/+30.9184+129.8400/+30.9158+129.8600/+30.9139+129.8800/+30.9124+129.9000/+30.9000+129.9168/+30.8987+129.9200/+30.8970+129.9400/+30.8957+129.9600/+30.8944+129.9800/+30.8920+130.0000/+30.8800+130.0121/+30.8761+130.0200/+30.8730+130.0400/+30.8645+130.0600/+30.8600+130.0675/+30.8595+130.0800/+30.8588+130.1000/+30.8582+130.1200/+30.8563+130.1400/+30.8486+130.1600/+30.8400+130.1708/+30.8398+130.1800/+30.8397+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8385+130.2600/+30.8200+130.2790/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7602+130.3000/+30.7602+130.2800/+30.7608+130.2600/+30.7742+130.2400/+30.7800+130.2340/+30.7801+130.2200/+30.7802+130.2000/+30.7804+130.1800/+30.7809+130.1600/+30.7821+130.1400/+30.7862+130.1200/+30.7971+130.1000/+30.8000+130.0953/+30.8006+130.0800/+30.8012+130.0600/+30.8027+130.0400/+30.8044+130.0200/+30.8093+130.0000/+30.8042+129.9800/+30.8069+129.9600/+30.8111+129.9400/+30.8183+129.9200/+30.8200+129.9142/+30.8229+129.9000/+30.8216+129.8800/+30.8285+129.8600/+30.8400+129.8419/+30.8406+129.8400/+30.8445+129.8200/+30.8486+129.8000/+30.8516+129.7800/+30.8600+129.7616/+30.8605+129.7600/+30.8662+129.7400/+30.8718+129.7200/+30.8784+129.7000/+30.8800+129.6930/+30.8833+129.6800/+30.8896+129.6600/+30.8973+129.6400/+30.9000+129.6338/+30.9200+129.6221/+30.9219+129.6200/+30.9321+129.6000/+30.9400+129.5870/+30.9565+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7858+130.2800/+30.8000+130.2621/+30.8142+130.2800/ 北西 3 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、１０日０９時から１２時までは火口から西方向に降灰が予想されます。 　１０日０時から１０日１８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 　１０日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日０３時から０６時まで　西　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　１０日０６時から０９時まで　西　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　１０日０９時から１２時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　 　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 　 　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。