2026-10-04T23:00:00Z 通常 気象庁本庁 気象庁 2026-10-05T08:00:00+09:00 2026-10-05T09:00:00+09:00 2026-10-06T03:00:00+09:00 511 発表 1 降灰予報 1.1_0 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、５日０９時から１２時までは火口から南方向、５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 諏訪之瀬島 511 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 降灰予報（定時） 06 諏訪之瀬島 511 +2938.30+12942.83+796/ 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 2026-10-05T09:00:00+09:00 2026-10-05T12:00:00+09:00 降灰 70 +29.6598+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6343+129.7400/+29.6200+129.7538/+29.6000+129.7594/+29.5800+129.7597/+29.5600+129.7598/+29.5529+129.7600/+29.5400+129.7717/+29.5200+129.7774/+29.5000+129.7789/+29.4801+129.7800/+29.4800+129.7801/+29.4600+129.7921/+29.4400+129.7964/+29.4200+129.7984/+29.4084+129.8000/+29.4000+129.8057/+29.3800+129.8189/+29.3737+129.8200/+29.3600+129.8238/+29.3400+129.8284/+29.3200+129.8314/+29.3000+129.8333/+29.2800+129.8347/+29.2600+129.8383/+29.2521+129.8400/+29.2400+129.8459/+29.2200+129.8499/+29.2000+129.8527/+29.1800+129.8521/+29.1600+129.8512/+29.1400+129.8508/+29.1200+129.8513/+29.1000+129.8522/+29.0828+129.8400/+29.0926+129.8200/+29.0984+129.8000/+29.1000+129.7992/+29.1200+129.7894/+29.1400+129.7813/+29.1427+129.7800/+29.1600+129.7725/+29.1800+129.7642/+29.1950+129.7600/+29.2000+129.7584/+29.2200+129.7471/+29.2400+129.7409/+29.2430+129.7400/+29.2600+129.7361/+29.2800+129.7329/+29.3000+129.7378/+29.3200+129.7303/+29.3400+129.7246/+29.3549+129.7200/+29.3600+129.7181/+29.3626+129.7200/+29.3800+129.7238/+29.4000+129.7220/+29.4200+129.7201/+29.4213+129.7200/+29.4400+129.7112/+29.4600+129.7056/+29.4800+129.7030/+29.5000+129.7015/+29.5200+129.7007/+29.5400+129.7002/+29.5600+129.7000/+29.5607+129.7000/+29.5800+129.6841/+29.6000+129.6806/+29.6200+129.6801/+29.6400+129.6802/+29.6598+129.7000/ 南 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7339/+29.6035+129.7200/+29.6200+129.7061/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-05T12:00:00+09:00 2026-10-05T15:00:00+09:00 降灰 70 +29.6597+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6375+129.7400/+29.6200+129.7574/+29.6000+129.7598/+29.5800+129.7598/+29.5600+129.7599/+29.5558+129.7600/+29.5400+129.7749/+29.5200+129.7787/+29.5000+129.7794/+29.4800+129.7798/+29.4776+129.7800/+29.4600+129.7936/+29.4400+129.7976/+29.4200+129.7989/+29.4051+129.8000/+29.4000+129.8038/+29.3870+129.8200/+29.3800+129.8271/+29.3600+129.8313/+29.3400+129.8344/+29.3200+129.8378/+29.3071+129.8400/+29.3000+129.8449/+29.2800+129.8529/+29.2600+129.8596/+29.2585+129.8600/+29.2400+129.8641/+29.2200+129.8666/+29.2000+129.8760/+29.1800+129.8776/+29.1600+129.8793/+29.1462+129.8800/+29.1400+129.8803/+29.1200+129.8810/+29.1000+129.8818/+29.0800+129.8802/+29.0779+129.8800/+29.0600+129.8777/+29.0400+129.8728/+29.0200+129.8608/+29.0193+129.8600/+29.0200+129.8590/+29.0312+129.8400/+29.0400+129.8361/+29.0600+129.8280/+29.0800+129.8202/+29.0805+129.8200/+29.1000+129.8129/+29.1200+129.8033/+29.1257+129.8000/+29.1400+129.7928/+29.1600+129.7830/+29.1665+129.7800/+29.1800+129.7751/+29.2000+129.7748/+29.2200+129.7702/+29.2400+129.7672/+29.2600+129.7631/+29.2798+129.7600/+29.2800+129.7599/+29.3000+129.7503/+29.3200+129.7464/+29.3400+129.7441/+29.3600+129.7419/+29.3800+129.7421/+29.4000+129.7409/+29.4121+129.7400/+29.4200+129.7342/+29.4400+129.7242/+29.4600+129.7215/+29.4800+129.7206/+29.5000+129.7201/+29.5014+129.7200/+29.5200+129.7037/+29.5400+129.7007/+29.5600+129.7002/+29.5800+129.7001/+29.5855+129.7000/+29.6000+129.6855/+29.6200+129.6802/+29.6400+129.6803/+29.6597+129.7000/ 南 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7352/+29.6015+129.7200/+29.6200+129.7048/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-05T15:00:00+09:00 2026-10-05T18:00:00+09:00 降灰 70 +29.6596+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6392+129.7400/+29.6200+129.7592/+29.6000+129.7599/+29.5800+129.7599/+29.5771+129.7600/+29.5600+129.7767/+29.5400+129.7793/+29.5200+129.7797/+29.5136+129.7800/+29.5000+129.7926/+29.4800+129.7979/+29.4600+129.7992/+29.4492+129.8000/+29.4400+129.8074/+29.4200+129.8162/+29.4000+129.8187/+29.3968+129.8200/+29.3800+129.8371/+29.3600+129.8398/+29.3590+129.8400/+29.3400+129.8483/+29.3200+129.8529/+29.3074+129.8600/+29.3000+129.8671/+29.2800+129.8699/+29.2600+129.8718/+29.2400+129.8735/+29.2200+129.8761/+29.2112+129.8800/+29.2000+129.8875/+29.1800+129.8893/+29.1600+129.8920/+29.1400+129.8967/+29.1312+129.9000/+29.1200+129.9055/+29.1000+129.9129/+29.0800+129.9139/+29.0600+129.9150/+29.0400+129.9158/+29.0200+129.9164/+29.0000+129.9172/+28.9800+129.9139/+28.9600+129.9077/+28.9460+129.9000/+28.9600+129.8952/+28.9800+129.8879/+29.0000+129.8808/+29.0030+129.8800/+29.0200+129.8739/+29.0400+129.8612/+29.0410+129.8600/+29.0600+129.8446/+29.0645+129.8400/+29.0800+129.8326/+29.1000+129.8260/+29.1200+129.8206/+29.1227+129.8200/+29.1400+129.8162/+29.1600+129.8107/+29.1800+129.8035/+29.2000+129.8023/+29.2033+129.8000/+29.2200+129.7843/+29.2291+129.7800/+29.2400+129.7765/+29.2600+129.7703/+29.2800+129.7671/+29.3000+129.7654/+29.3200+129.7613/+29.3258+129.7600/+29.3400+129.7536/+29.3600+129.7461/+29.3800+129.7554/+29.4000+129.7450/+29.4200+129.7419/+29.4400+129.7406/+29.4465+129.7400/+29.4600+129.7288/+29.4800+129.7221/+29.5000+129.7207/+29.5200+129.7202/+29.5220+129.7200/+29.5400+129.7030/+29.5600+129.7004/+29.5800+129.7001/+29.6000+129.7000/+29.6001+129.7000/+29.6200+129.6804/+29.6400+129.6804/+29.6596+129.7000/ 南 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7363/+29.6004+129.7200/+29.6200+129.7037/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-05T18:00:00+09:00 2026-10-05T21:00:00+09:00 降灰 70 +29.6596+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6395+129.7400/+29.6200+129.7594/+29.6000+129.7599/+29.5800+129.7600/+29.5793+129.7600/+29.5600+129.7786/+29.5400+129.7796/+29.5253+129.7800/+29.5200+129.7853/+29.5000+129.7978/+29.4800+129.7992/+29.4715+129.8000/+29.4600+129.8108/+29.4400+129.8176/+29.4200+129.8195/+29.4155+129.8200/+29.4000+129.8312/+29.3904+129.8400/+29.3800+129.8505/+29.3600+129.8544/+29.3400+129.8566/+29.3214+129.8600/+29.3200+129.8615/+29.3000+129.8759/+29.2800+129.8786/+29.2734+129.8800/+29.2600+129.8907/+29.2400+129.8992/+29.2311+129.9000/+29.2200+129.9023/+29.2000+129.9147/+29.1823+129.9200/+29.1800+129.9206/+29.1600+129.9251/+29.1400+129.9278/+29.1200+129.9295/+29.1000+129.9316/+29.0800+129.9342/+29.0600+129.9398/+29.0594+129.9400/+29.0400+129.9473/+29.0200+129.9563/+29.0145+129.9600/+29.0000+129.9639/+28.9800+129.9629/+28.9600+129.9616/+28.9516+129.9600/+28.9525+129.9400/+28.9600+129.9374/+28.9800+129.9299/+28.9983+129.9200/+29.0000+129.9189/+29.0153+129.9000/+29.0200+129.8969/+29.0400+129.8863/+29.0561+129.8800/+29.0600+129.8786/+29.0800+129.8719/+29.1000+129.8658/+29.1098+129.8600/+29.1200+129.8514/+29.1337+129.8400/+29.1400+129.8361/+29.1600+129.8249/+29.1709+129.8200/+29.1800+129.8168/+29.2000+129.8128/+29.2200+129.8085/+29.2400+129.8054/+29.2526+129.8000/+29.2600+129.7911/+29.2783+129.7800/+29.2800+129.7793/+29.3000+129.7781/+29.3200+129.7698/+29.3400+129.7651/+29.3569+129.7600/+29.3600+129.7579/+29.3626+129.7600/+29.3800+129.7624/+29.4000+129.7601/+29.4010+129.7600/+29.4200+129.7468/+29.4400+129.7420/+29.4600+129.7406/+29.4640+129.7400/+29.4800+129.7261/+29.5000+129.7214/+29.5200+129.7204/+29.5281+129.7200/+29.5400+129.7083/+29.5600+129.7007/+29.5800+129.7001/+29.6000+129.7000/+29.6003+129.7000/+29.6200+129.6804/+29.6400+129.6804/+29.6596+129.7000/ 南 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7367/+29.6006+129.7200/+29.6200+129.7033/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-05T21:00:00+09:00 2026-10-06T00:00:00+09:00 降灰 70 +29.6597+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6381+129.7400/+29.6200+129.7581/+29.6000+129.7598/+29.5800+129.7599/+29.5600+129.7599/+29.5587+129.7600/+29.5400+129.7775/+29.5200+129.7792/+29.5000+129.7795/+29.4879+129.7800/+29.4800+129.7871/+29.4600+129.7966/+29.4400+129.7983/+29.4200+129.7994/+29.4119+129.8000/+29.4000+129.8085/+29.3897+129.8200/+29.3800+129.8299/+29.3600+129.8328/+29.3400+129.8352/+29.3200+129.8378/+29.3027+129.8400/+29.3000+129.8416/+29.2800+129.8466/+29.2600+129.8551/+29.2408+129.8600/+29.2400+129.8602/+29.2200+129.8643/+29.2000+129.8745/+29.1800+129.8766/+29.1600+129.8784/+29.1400+129.8798/+29.1351+129.8800/+29.1200+129.8807/+29.1000+129.8818/+29.0800+129.8806/+29.0720+129.8800/+29.0600+129.8789/+29.0400+129.8777/+29.0200+129.8776/+29.0000+129.8775/+28.9800+129.8695/+28.9700+129.8600/+28.9800+129.8483/+28.9863+129.8400/+29.0000+129.8351/+29.0200+129.8296/+29.0400+129.8245/+29.0533+129.8200/+29.0600+129.8178/+29.0800+129.8094/+29.1000+129.8014/+29.1031+129.8000/+29.1200+129.7913/+29.1400+129.7842/+29.1510+129.7800/+29.1600+129.7772/+29.1800+129.7713/+29.2000+129.7725/+29.2200+129.7694/+29.2400+129.7670/+29.2600+129.7626/+29.2751+129.7600/+29.2800+129.7567/+29.3000+129.7498/+29.3200+129.7460/+29.3400+129.7438/+29.3600+129.7418/+29.3800+129.7425/+29.4000+129.7411/+29.4126+129.7400/+29.4200+129.7347/+29.4400+129.7256/+29.4600+129.7219/+29.4800+129.7208/+29.5000+129.7201/+29.5018+129.7200/+29.5200+129.7049/+29.5400+129.7009/+29.5600+129.7002/+29.5800+129.7001/+29.5860+129.7000/+29.6000+129.6860/+29.6200+129.6803/+29.6400+129.6803/+29.6597+129.7000/ 南 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7365/+29.6007+129.7200/+29.6200+129.7034/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 2026-10-06T00:00:00+09:00 2026-10-06T03:00:00+09:00 降灰 70 +29.6597+129.7000/+29.6599+129.7200/+29.6400+129.7399/+29.6390+129.7400/+29.6200+129.7590/+29.6000+129.7598/+29.5800+129.7599/+29.5746+129.7600/+29.5600+129.7745/+29.5400+129.7791/+29.5200+129.7796/+29.5099+129.7800/+29.5000+129.7895/+29.4800+129.7976/+29.4600+129.7991/+29.4441+129.8000/+29.4400+129.8034/+29.4200+129.8156/+29.4000+129.8184/+29.3961+129.8200/+29.3800+129.8369/+29.3620+129.8400/+29.3600+129.8412/+29.3400+129.8500/+29.3200+129.8540/+29.3092+129.8600/+29.3000+129.8688/+29.2800+129.8713/+29.2600+129.8732/+29.2400+129.8751/+29.2200+129.8781/+29.2154+129.8800/+29.2000+129.8890/+29.1800+129.8911/+29.1600+129.8945/+29.1424+129.9000/+29.1400+129.9014/+29.1200+129.9111/+29.1000+129.9179/+29.0800+129.9189/+29.0613+129.9200/+29.0600+129.9201/+29.0400+129.9206/+29.0200+129.9204/+29.0000+129.9201/+28.9996+129.9200/+28.9800+129.9124/+28.9657+129.9000/+28.9800+129.8928/+29.0000+129.8846/+29.0137+129.8800/+29.0200+129.8777/+29.0400+129.8693/+29.0548+129.8600/+29.0600+129.8565/+29.0800+129.8403/+29.0803+129.8400/+29.1000+129.8318/+29.1200+129.8243/+29.1357+129.8200/+29.1400+129.8190/+29.1600+129.8137/+29.1800+129.8079/+29.2000+129.8063/+29.2132+129.8000/+29.2200+129.7932/+29.2400+129.7821/+29.2431+129.7800/+29.2600+129.7731/+29.2800+129.7690/+29.3000+129.7679/+29.3200+129.7633/+29.3367+129.7600/+29.3400+129.7584/+29.3600+129.7477/+29.3800+129.7586/+29.4000+129.7467/+29.4200+129.7423/+29.4400+129.7406/+29.4455+129.7400/+29.4600+129.7286/+29.4800+129.7221/+29.5000+129.7207/+29.5200+129.7200/+29.5204+129.7200/+29.5400+129.7023/+29.5600+129.7004/+29.5800+129.7001/+29.5947+129.7000/+29.6000+129.6947/+29.6200+129.6803/+29.6400+129.6803/+29.6597+129.7000/ 南 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7388/+29.6200+129.7357/+29.6008+129.7200/+29.6200+129.7043/+29.6400+129.7012/+29.6588+129.7200/ 南東 2 鹿児島県十島村 4630400 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、５日０９時から１２時までは火口から南方向、５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。 　５日９時から６日３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 　０５日０９時から１２時まで　南　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０５日１２時から１５時まで　南　　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　０５日１５時から１８時まで　南　　　　　　　８０ｋｍ　　２ｋｍ　　　　　 　０５日１８時から２１時まで　南　　　　　　　８０ｋｍ　　２ｋｍ　　　　　 　０５日２１時から２４時まで　南　　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　０６日００時から０３時まで　南　　　　　　　８０ｋｍ　　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：十島村 　 　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。