2026-10-07T23:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T08:00:00+09:00 2026-10-08T09:00:00+09:00 2026-10-09T03:00:00+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０９時から１２時までは火口から西方向、８日２１時から２４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 2026-10-08T09:00:00+09:00 2026-10-08T12:00:00+09:00 降灰 70 +30.8177+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8145+130.3200/+30.8000+130.3345/+30.7800+130.3317/+30.7683+130.3200/+30.7601+130.3000/+30.7600+130.2991/+30.7409+130.2800/+30.7402+130.2600/+30.7400+130.2539/+30.7263+130.2400/+30.7210+130.2200/+30.7200+130.2017/+30.7184+130.2000/+30.7038+130.1800/+30.7011+130.1600/+30.7000+130.1501/+30.6924+130.1400/+30.6847+130.1200/+30.6806+130.1000/+30.6800+130.0967/+30.6706+130.0800/+30.6658+130.0600/+30.6612+130.0400/+30.6600+130.0355/+30.6477+130.0200/+30.6421+130.0000/+30.6400+129.9903/+30.6367+129.9800/+30.6337+129.9600/+30.6304+129.9400/+30.6230+129.9200/+30.6200+129.9054/+30.6189+129.9000/+30.6149+129.8800/+30.6150+129.8600/+30.6153+129.8400/+30.6200+129.8311/+30.6264+129.8200/+30.6400+129.8075/+30.6557+129.8200/+30.6600+129.8263/+30.6687+129.8400/+30.6800+129.8510/+30.6865+129.8600/+30.6959+129.8800/+30.7000+129.8897/+30.7032+129.9000/+30.7080+129.9200/+30.7145+129.9400/+30.7191+129.9600/+30.7200+129.9639/+30.7291+129.9800/+30.7337+130.0000/+30.7361+130.0200/+30.7398+130.0400/+30.7400+130.0409/+30.7500+130.0600/+30.7560+130.0800/+30.7593+130.1000/+30.7600+130.1059/+30.7679+130.1200/+30.7754+130.1400/+30.7785+130.1600/+30.7798+130.1800/+30.7800+130.1813/+30.7958+130.2000/+30.7992+130.2200/+30.7998+130.2400/+30.8000+130.2421/+30.8177+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8068+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3157/+30.7643+130.3000/+30.7749+130.2800/+30.7800+130.2736/+30.8000+130.2732/+30.8068+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T12:00:00+09:00 2026-10-08T15:00:00+09:00 降灰 70 +30.8190+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8147+130.3200/+30.8000+130.3347/+30.7800+130.3323/+30.7677+130.3200/+30.7601+130.3000/+30.7600+130.2935/+30.7465+130.2800/+30.7404+130.2600/+30.7402+130.2400/+30.7400+130.2332/+30.7271+130.2200/+30.7212+130.2000/+30.7204+130.1800/+30.7200+130.1751/+30.7065+130.1600/+30.7020+130.1400/+30.7002+130.1200/+30.7000+130.1181/+30.6882+130.1000/+30.6832+130.0800/+30.6800+130.0605/+30.6796+130.0600/+30.6697+130.0400/+30.6628+130.0200/+30.6600+130.0016/+30.6590+130.0000/+30.6491+129.9800/+30.6453+129.9600/+30.6426+129.9400/+30.6410+129.9200/+30.6416+129.9000/+30.6421+129.8800/+30.6437+129.8600/+30.6473+129.8400/+30.6482+129.8200/+30.6600+129.8084/+30.6800+129.8013/+30.6912+129.8200/+30.7000+129.8391/+30.7003+129.8400/+30.7140+129.8600/+30.7200+129.8702/+30.7249+129.8800/+30.7283+129.9000/+30.7308+129.9200/+30.7357+129.9400/+30.7400+129.9562/+30.7413+129.9600/+30.7479+129.9800/+30.7464+130.0000/+30.7531+130.0200/+30.7557+130.0400/+30.7594+130.0600/+30.7600+130.0679/+30.7643+130.0800/+30.7720+130.1000/+30.7764+130.1200/+30.7787+130.1400/+30.7800+130.1575/+30.7817+130.1600/+30.7929+130.1800/+30.7982+130.2000/+30.7996+130.2200/+30.7999+130.2400/+30.8000+130.2407/+30.8190+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8074+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3160/+30.7640+130.3000/+30.7720+130.2800/+30.7800+130.2703/+30.8000+130.2726/+30.8074+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T15:00:00+09:00 2026-10-08T18:00:00+09:00 降灰 70 +30.8107+130.2400/+30.8195+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8152+130.3200/+30.8000+130.3352/+30.7800+130.3338/+30.7662+130.3200/+30.7601+130.3000/+30.7600+130.2870/+30.7530+130.2800/+30.7405+130.2600/+30.7402+130.2400/+30.7400+130.2288/+30.7313+130.2200/+30.7216+130.2000/+30.7206+130.1800/+30.7200+130.1702/+30.7107+130.1600/+30.7029+130.1400/+30.7011+130.1200/+30.7000+130.1095/+30.6921+130.1000/+30.6843+130.0800/+30.6813+130.0600/+30.6800+130.0526/+30.6712+130.0400/+30.6624+130.0200/+30.6600+130.0019/+30.6586+130.0000/+30.6473+129.9800/+30.6401+129.9600/+30.6400+129.9597/+30.6334+129.9400/+30.6229+129.9200/+30.6200+129.9085/+30.6180+129.9000/+30.6140+129.8800/+30.6123+129.8600/+30.6100+129.8400/+30.6122+129.8200/+30.6116+129.8000/+30.6200+129.7897/+30.6400+129.7822/+30.6600+129.7976/+30.6608+129.8000/+30.6706+129.8200/+30.6800+129.8331/+30.6849+129.8400/+30.6956+129.8600/+30.7000+129.8731/+30.7018+129.8800/+30.7081+129.9000/+30.7122+129.9200/+30.7186+129.9400/+30.7200+129.9443/+30.7312+129.9600/+30.7391+129.9800/+30.7376+130.0000/+30.7400+130.0133/+30.7438+130.0200/+30.7525+130.0400/+30.7573+130.0600/+30.7600+130.0758/+30.7627+130.0800/+30.7727+130.1000/+30.7768+130.1200/+30.7791+130.1400/+30.7800+130.1516/+30.7863+130.1600/+30.7968+130.1800/+30.7991+130.2000/+30.7998+130.2200/+30.8000+130.2288/+30.8107+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8003+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3171/+30.7629+130.3000/+30.7721+130.2800/+30.7800+130.2701/+30.8000+130.2797/+30.8003+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T18:00:00+09:00 2026-10-08T21:00:00+09:00 降灰 70 +30.8183+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8132+130.3200/+30.8000+130.3332/+30.7800+130.3308/+30.7692+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2793/+30.7413+130.2600/+30.7404+130.2400/+30.7401+130.2200/+30.7400+130.2187/+30.7242+130.2000/+30.7213+130.1800/+30.7200+130.1605/+30.7196+130.1600/+30.7064+130.1400/+30.7024+130.1200/+30.7004+130.1000/+30.7000+130.0981/+30.6867+130.0800/+30.6828+130.0600/+30.6800+130.0441/+30.6772+130.0400/+30.6658+130.0200/+30.6630+130.0000/+30.6600+129.9836/+30.6577+129.9800/+30.6468+129.9600/+30.6404+129.9400/+30.6400+129.9382/+30.6320+129.9200/+30.6264+129.9000/+30.6218+129.8800/+30.6200+129.8640/+30.6195+129.8600/+30.6169+129.8400/+30.6183+129.8200/+30.6173+129.8000/+30.6200+129.7889/+30.6240+129.7800/+30.6400+129.7675/+30.6600+129.7784/+30.6611+129.7800/+30.6800+129.7965/+30.6827+129.8000/+30.6951+129.8200/+30.7000+129.8309/+30.7034+129.8400/+30.7122+129.8600/+30.7185+129.8800/+30.7200+129.8836/+30.7281+129.9000/+30.7355+129.9200/+30.7400+129.9317/+30.7436+129.9400/+30.7518+129.9600/+30.7575+129.9800/+30.7572+130.0000/+30.7600+130.0097/+30.7656+130.0200/+30.7708+130.0400/+30.7751+130.0600/+30.7782+130.0800/+30.7795+130.1000/+30.7800+130.1068/+30.7864+130.1200/+30.7947+130.1400/+30.7979+130.1600/+30.7992+130.1800/+30.7996+130.2000/+30.8000+130.2200/+30.8000+130.2201/+30.8183+130.2400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8046+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3184/+30.7616+130.3000/+30.7703+130.2800/+30.7800+130.2683/+30.8000+130.2754/+30.8046+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T21:00:00+09:00 2026-10-09T00:00:00+09:00 降灰 70 +30.8007+130.1600/+30.8064+130.1800/+30.8118+130.2000/+30.8162+130.2200/+30.8187+130.2400/+30.8197+130.2600/+30.8199+130.2800/+30.8200+130.3000/+30.8165+130.3200/+30.8000+130.3364/+30.7800+130.3344/+30.7656+130.3200/+30.7600+130.3000/+30.7600+130.2985/+30.7420+130.2800/+30.7404+130.2600/+30.7400+130.2514/+30.7310+130.2400/+30.7247+130.2200/+30.7226+130.2000/+30.7212+130.1800/+30.7203+130.1600/+30.7200+130.1555/+30.7133+130.1400/+30.7069+130.1200/+30.7041+130.1000/+30.7024+130.0800/+30.7000+130.0667/+30.6957+130.0600/+30.6905+130.0400/+30.6804+130.0200/+30.6800+130.0185/+30.6743+130.0000/+30.6701+129.9800/+30.6667+129.9600/+30.6619+129.9400/+30.6600+129.9349/+30.6529+129.9200/+30.6524+129.9000/+30.6496+129.8800/+30.6499+129.8600/+30.6509+129.8400/+30.6600+129.8304/+30.6800+129.8247/+30.6893+129.8400/+30.7000+129.8524/+30.7063+129.8600/+30.7200+129.8774/+30.7219+129.8800/+30.7350+129.9000/+30.7400+129.9090/+30.7455+129.9200/+30.7582+129.9400/+30.7600+129.9433/+30.7687+129.9600/+30.7753+129.9800/+30.7800+129.9957/+30.7815+130.0000/+30.7879+130.0200/+30.7875+130.0400/+30.7908+130.0600/+30.7947+130.0800/+30.7978+130.1000/+30.7982+130.1200/+30.7992+130.1400/+30.8000+130.1582/+30.8007+130.1600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3170/+30.7630+130.3000/+30.7731+130.2800/+30.7800+130.2713/+30.8000+130.2666/+30.8116+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T00:00:00+09:00 2026-10-09T03:00:00+09:00 降灰 70 +30.8154+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8180+130.3200/+30.8000+130.3380/+30.7800+130.3374/+30.7626+130.3200/+30.7600+130.3192/+30.7408+130.3000/+30.7400+130.2974/+30.7225+130.2800/+30.7200+130.2741/+30.7057+130.2600/+30.7000+130.2498/+30.6901+130.2400/+30.6800+130.2202/+30.6798+130.2200/+30.6646+130.2000/+30.6600+130.1883/+30.6526+130.1800/+30.6444+130.1600/+30.6400+130.1412/+30.6394+130.1400/+30.6302+130.1200/+30.6322+130.1000/+30.6245+130.0800/+30.6246+130.0600/+30.6271+130.0400/+30.6289+130.0200/+30.6321+130.0000/+30.6372+129.9800/+30.6400+129.9725/+30.6442+129.9600/+30.6541+129.9400/+30.6600+129.9336/+30.6800+129.9248/+30.7000+129.9243/+30.7182+129.9400/+30.7200+129.9444/+30.7232+129.9600/+30.7240+129.9800/+30.7331+130.0000/+30.7380+130.0200/+30.7400+130.0231/+30.7486+130.0400/+30.7539+130.0600/+30.7600+130.0752/+30.7624+130.0800/+30.7683+130.1000/+30.7722+130.1200/+30.7768+130.1400/+30.7794+130.1600/+30.7800+130.1625/+30.7888+130.1800/+30.7944+130.2000/+30.7980+130.2200/+30.7997+130.2400/+30.8000+130.2421/+30.8154+130.2600/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8124+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3176/+30.7623+130.3000/+30.7678+130.2800/+30.7800+130.2677/+30.8000+130.2667/+30.8124+130.2800/ 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、８日０９時から１２時までは火口から西方向、８日２１時から２４時までは火口から西方向に降灰が予想されます。 　８日９時から９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 　０８日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日００時から０３時まで　南西　　　　　　４０ｋｍ　　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。