2026-08-08T11:00:00Z 通常 気象庁本庁 気象庁 2026-08-08T20:00:00+09:00 2026-08-08T21:00:00+09:00 2026-08-09T15:00:00+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、８日２１時から２４時までは火口から西方向、９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 2026-08-08T21:00:00+09:00 2026-08-09T00:00:00+09:00 降灰 70 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+30.9646+129.9800/+30.9600+129.9929/+30.9558+129.9800/+30.9600+129.9732/+30.9646+129.9800/ +30.9244+130.0400/+30.9200+130.0403/+30.9043+130.0600/+30.9000+130.0652/+30.8963+130.0600/+30.8978+130.0400/+30.8991+130.0200/+30.9000+130.0163/+30.9146+130.0200/+30.9200+130.0376/+30.9244+130.0400/ +30.8800+130.1000/+30.8800+130.1001/+30.8800+130.1000/+30.8800+130.0981/+30.8800+130.1000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8271+130.2600/+30.8296+130.2800/+30.8200+130.2896/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7901+130.2600/+30.8000+130.2436/+30.8200+130.2446/+30.8271+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T00:00:00+09:00 2026-08-09T03:00:00+09:00 降灰 70 +31.0204+129.5600/+31.0248+129.5800/+31.0267+129.6000/+31.0248+129.6200/+31.0233+129.6400/+31.0210+129.6600/+31.0200+129.6656/+31.0174+129.6800/+31.0134+129.7000/+31.0038+129.7200/+31.0000+129.7259/+30.9953+129.7400/+30.9912+129.7600/+30.9883+129.7800/+30.9856+129.8000/+30.9832+129.8200/+30.9800+129.8264/+30.9692+129.8400/+30.9600+129.8547/+30.9590+129.8600/+30.9557+129.8800/+30.9537+129.9000/+30.9514+129.9200/+30.9400+129.9373/+30.9387+129.9400/+30.9357+129.9600/+30.9327+129.9800/+30.9293+130.0000/+30.9215+130.0200/+30.9200+130.0210/+30.9000+130.0281/+30.8983+130.0400/+30.8957+130.0600/+30.8894+130.0800/+30.8800+130.0905/+30.8794+130.1000/+30.8793+130.1200/+30.8800+130.1252/+30.8858+130.1200/+30.9000+130.1021/+30.9063+130.1000/+30.9126+130.0800/+30.9200+130.0710/+30.9288+130.0800/+30.9237+130.1000/+30.9200+130.1043/+30.9101+130.1200/+30.9044+130.1400/+30.9000+130.1448/+30.8942+130.1600/+30.8851+130.1800/+30.8800+130.1853/+30.8754+130.2000/+30.8600+130.2197/+30.8599+130.2200/+30.8558+130.2400/+30.8400+130.2583/+30.8399+130.2600/+30.8392+130.2800/+30.8200+130.3000/+30.8163+130.3200/+30.8000+130.3363/+30.7800+130.3328/+30.7672+130.3200/+30.7606+130.3000/+30.7609+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7826+130.1800/+30.8000+130.1603/+30.8000+130.1600/+30.8005+130.1400/+30.8012+130.1200/+30.8032+130.1000/+30.8106+130.0800/+30.8200+130.0676/+30.8206+130.0600/+30.8219+130.0400/+30.8234+130.0200/+30.8287+130.0000/+30.8248+129.9800/+30.8377+129.9600/+30.8400+129.9574/+30.8426+129.9400/+30.8463+129.9200/+30.8502+129.9000/+30.8511+129.8800/+30.8554+129.8600/+30.8600+129.8476/+30.8643+129.8400/+30.8732+129.8200/+30.8800+129.8106/+30.8834+129.8000/+30.8800+129.7842/+30.8782+129.7800/+30.8800+129.7755/+30.8884+129.7600/+30.9000+129.7429/+30.9014+129.7400/+30.9086+129.7200/+30.9158+129.7000/+30.9200+129.6843/+30.9212+129.6800/+30.9277+129.6600/+30.9355+129.6400/+30.9400+129.6309/+30.9488+129.6200/+30.9600+129.6060/+30.9646+129.6000/+30.9759+129.5800/+30.9800+129.5730/+30.9876+129.5600/+30.9965+129.5400/+31.0000+129.5287/+31.0115+129.5400/+31.0200+129.5582/+31.0204+129.5600/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8241+130.2600/+30.8283+130.2800/+30.8200+130.2883/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7830+130.2800/+30.7922+130.2600/+30.8000+130.2470/+30.8200+130.2511/+30.8241+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T03:00:00+09:00 2026-08-09T06:00:00+09:00 降灰 70 +31.0239+129.5200/+31.0260+129.5400/+31.0262+129.5600/+31.0260+129.5800/+31.0259+129.6000/+31.0235+129.6200/+31.0212+129.6400/+31.0200+129.6472/+31.0177+129.6600/+31.0115+129.6800/+31.0029+129.7000/+31.0000+129.7055/+30.9955+129.7200/+30.9915+129.7400/+30.9892+129.7600/+30.9878+129.7800/+30.9866+129.8000/+30.9841+129.8200/+30.9800+129.8275/+30.9677+129.8400/+30.9600+129.8521/+30.9587+129.8600/+30.9558+129.8800/+30.9543+129.9000/+30.9525+129.9200/+30.9400+129.9368/+30.9383+129.9400/+30.9356+129.9600/+30.9331+129.9800/+30.9294+130.0000/+30.9226+130.0200/+30.9200+130.0218/+30.9101+130.0200/+30.9000+130.0195/+30.8999+130.0200/+30.8984+130.0400/+30.8967+130.0600/+30.8913+130.0800/+30.8800+130.0912/+30.8794+130.1000/+30.8791+130.1200/+30.8800+130.1262/+30.8850+130.1200/+30.8993+130.1000/+30.9000+130.0993/+30.9147+130.0800/+30.9200+130.0733/+30.9261+130.0800/+30.9280+130.1000/+30.9226+130.1200/+30.9200+130.1233/+30.9124+130.1400/+30.9000+130.1580/+30.8988+130.1600/+30.8922+130.1800/+30.8800+130.1948/+30.8775+130.2000/+30.8707+130.2200/+30.8600+130.2315/+30.8568+130.2400/+30.8456+130.2600/+30.8400+130.2656/+30.8392+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8169+130.3200/+30.8000+130.3368/+30.7800+130.3339/+30.7661+130.3200/+30.7606+130.3000/+30.7609+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7801+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7833+130.1800/+30.8000+130.1611/+30.8001+130.1600/+30.8005+130.1400/+30.8014+130.1200/+30.8042+130.1000/+30.8133+130.0800/+30.8200+130.0712/+30.8208+130.0600/+30.8223+130.0400/+30.8249+130.0200/+30.8320+130.0000/+30.8320+129.9800/+30.8400+129.9689/+30.8411+129.9600/+30.8436+129.9400/+30.8468+129.9200/+30.8508+129.9000/+30.8513+129.8800/+30.8566+129.8600/+30.8600+129.8523/+30.8693+129.8400/+30.8800+129.8222/+30.8805+129.8200/+30.8851+129.8000/+30.8800+129.7815/+30.8789+129.7800/+30.8800+129.7778/+30.8922+129.7600/+30.9000+129.7503/+30.9052+129.7400/+30.9112+129.7200/+30.9170+129.7000/+30.9200+129.6883/+30.9224+129.6800/+30.9298+129.6600/+30.9380+129.6400/+30.9400+129.6350/+30.9491+129.6200/+30.9600+129.6002/+30.9601+129.6000/+30.9698+129.5800/+30.9783+129.5600/+30.9800+129.5553/+30.9856+129.5400/+30.9931+129.5200/+31.0000+129.5037/+31.0200+129.5107/+31.0239+129.5200/ +30.9632+130.0400/+30.9600+130.0452/+30.9537+130.0400/+30.9600+130.0301/+30.9632+130.0400/ +30.9447+130.0600/+30.9400+130.0640/+30.9355+130.0600/+30.9400+130.0542/+30.9447+130.0600/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8232+130.2600/+30.8271+130.2800/+30.8200+130.2871/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7829+130.2800/+30.7923+130.2600/+30.8000+130.2467/+30.8200+130.2531/+30.8232+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T06:00:00+09:00 2026-08-09T09:00:00+09:00 降灰 70 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+30.9007+130.1200/+30.9000+130.1216/+30.8992+130.1200/+30.9000+130.1190/+30.9007+130.1200/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8248+130.2600/+30.8278+130.2800/+30.8200+130.2878/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7912+130.2600/+30.8000+130.2459/+30.8200+130.2497/+30.8248+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T09:00:00+09:00 2026-08-09T12:00:00+09:00 降灰 70 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+30.8832+130.0800/+30.8864+130.1000/+30.8800+130.1054/+30.8796+130.1000/+30.8799+130.0800/+30.8800+130.0796/+30.8832+130.0800/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8217+130.2600/+30.8236+130.2800/+30.8200+130.2836/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7831+130.2800/+30.7930+130.2600/+30.8000+130.2480/+30.8200+130.2557/+30.8217+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T12:00:00+09:00 2026-08-09T15:00:00+09:00 降灰 70 +31.0202+129.5000/+31.0200+129.5013/+31.0184+129.5200/+31.0177+129.5400/+31.0167+129.5600/+31.0154+129.5800/+31.0145+129.6000/+31.0110+129.6200/+31.0073+129.6400/+31.0025+129.6600/+31.0000+129.6675/+30.9964+129.6800/+30.9930+129.7000/+30.9881+129.7200/+30.9843+129.7400/+30.9816+129.7600/+30.9800+129.7749/+30.9795+129.7800/+30.9773+129.8000/+30.9600+129.8199/+30.9600+129.8200/+30.9559+129.8400/+30.9531+129.8600/+30.9499+129.8800/+30.9476+129.9000/+30.9442+129.9200/+30.9400+129.9251/+30.9318+129.9400/+30.9278+129.9600/+30.9222+129.9800/+30.9200+129.9867/+30.9163+130.0000/+30.9000+130.0115/+30.8978+130.0200/+30.8951+130.0400/+30.8871+130.0600/+30.8800+130.0692/+30.8791+130.0800/+30.8784+130.1000/+30.8800+130.1151/+30.8928+130.1000/+30.9000+130.0906/+30.9063+130.1000/+30.9000+130.1189/+30.8982+130.1200/+30.8915+130.1400/+30.8864+130.1600/+30.8800+130.1678/+30.8744+130.1800/+30.8684+130.2000/+30.8600+130.2102/+30.8575+130.2200/+30.8516+130.2400/+30.8400+130.2525/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8153+130.3200/+30.8000+130.3353/+30.7800+130.3308/+30.7692+130.3200/+30.7606+130.3000/+30.7606+130.2800/+30.7647+130.2600/+30.7800+130.2444/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7829+130.1600/+30.7905+130.1400/+30.8000+130.1267/+30.8003+130.1200/+30.8010+130.1000/+30.8021+130.0800/+30.8049+130.0600/+30.8108+130.0400/+30.8200+130.0242/+30.8204+130.0200/+30.8218+130.0000/+30.8200+129.9910/+30.8112+129.9800/+30.8177+129.9600/+30.8200+129.9547/+30.8255+129.9400/+30.8400+129.9210/+30.8403+129.9200/+30.8433+129.9000/+30.8453+129.8800/+30.8486+129.8600/+30.8537+129.8400/+30.8588+129.8200/+30.8600+129.8167/+30.8685+129.8000/+30.8696+129.7800/+30.8756+129.7600/+30.8800+129.7471/+30.8830+129.7400/+30.8919+129.7200/+30.9000+129.7077/+30.9040+129.7000/+30.9121+129.6800/+30.9200+129.6615/+30.9206+129.6600/+30.9289+129.6400/+30.9387+129.6200/+30.9400+129.6177/+30.9582+129.6000/+30.9600+129.5964/+30.9703+129.5800/+30.9784+129.5600/+30.9800+129.5549/+30.9842+129.5400/+30.9892+129.5200/+30.9936+129.5000/+31.0000+129.4868/+31.0200+129.4997/+31.0202+129.5000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8212+130.2600/+30.8237+130.2800/+30.8200+130.2837/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7835+130.2800/+30.7933+130.2600/+30.8000+130.2488/+30.8200+130.2575/+30.8212+130.2600/ 北西 5 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、８日２１時から２４時までは火口から西方向、９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。 　８日２１時から９日１５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 　０８日２１時から２４時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日００時から０３時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０３時から０６時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０６時から０９時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日１２時から１５時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。