2026-10-07T14:00:00Z 通常 気象庁本庁 気象庁 2026-10-07T23:00:00+09:00 2026-10-08T00:00:00+09:00 2026-10-08T18:00:00+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 2026-10-08T00:00:00+09:00 2026-10-08T03:00:00+09:00 降灰 70 +30.8264+130.0200/+30.8288+130.0400/+30.8250+130.0600/+30.8304+130.0800/+30.8296+130.1000/+30.8287+130.1200/+30.8273+130.1400/+30.8275+130.1600/+30.8231+130.1800/+30.8200+130.1983/+30.8200+130.2000/+30.8198+130.2200/+30.8197+130.2400/+30.8198+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8187+130.3200/+30.8000+130.3387/+30.7800+130.3378/+30.7622+130.3200/+30.7600+130.3000/+30.7600+130.2989/+30.7413+130.2800/+30.7403+130.2600/+30.7400+130.2556/+30.7261+130.2400/+30.7225+130.2200/+30.7210+130.2000/+30.7200+130.1873/+30.7163+130.1800/+30.7136+130.1600/+30.7136+130.1400/+30.7166+130.1200/+30.7200+130.1048/+30.7207+130.1000/+30.7252+130.0800/+30.7310+130.0600/+30.7324+130.0400/+30.7347+130.0200/+30.7400+130.0113/+30.7449+130.0000/+30.7600+129.9811/+30.7617+129.9800/+30.7710+129.9600/+30.7800+129.9492/+30.7936+129.9600/+30.8000+129.9659/+30.8103+129.9800/+30.8167+130.0000/+30.8200+130.0065/+30.8264+130.0200/ 西 30 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3156/+30.7644+130.3000/+30.7800+130.2819/+30.8000+130.2805/+30.8188+130.3000/ 南西 2 鹿児島県三島村 4630300 2026-10-08T03:00:00+09:00 2026-10-08T06:00:00+09:00 降灰 70 +30.8168+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8174+130.3200/+30.8000+130.3374/+30.7800+130.3361/+30.7639+130.3200/+30.7600+130.3000/+30.7600+130.2997/+30.7404+130.2800/+30.7400+130.2602/+30.7398+130.2600/+30.7216+130.2400/+30.7200+130.2230/+30.7171+130.2200/+30.7028+130.2000/+30.7001+130.1800/+30.7000+130.1797/+30.6855+130.1600/+30.6804+130.1400/+30.6800+130.1382/+30.6687+130.1200/+30.6639+130.1000/+30.6600+130.0876/+30.6544+130.0800/+30.6443+130.0600/+30.6400+130.0460/+30.6365+130.0400/+30.6341+130.0200/+30.6304+130.0000/+30.6249+129.9800/+30.6225+129.9600/+30.6213+129.9400/+30.6218+129.9200/+30.6258+129.9000/+30.6370+129.8800/+30.6400+129.8772/+30.6437+129.8800/+30.6600+129.8890/+30.6800+129.8967/+30.6824+129.9000/+30.6899+129.9200/+30.7000+129.9291/+30.7081+129.9400/+30.7179+129.9600/+30.7200+129.9658/+30.7265+129.9800/+30.7323+130.0000/+30.7363+130.0200/+30.7400+130.0312/+30.7457+130.0400/+30.7518+130.0600/+30.7569+130.0800/+30.7600+130.0905/+30.7664+130.1000/+30.7707+130.1200/+30.7760+130.1400/+30.7785+130.1600/+30.7800+130.1800/+30.7800+130.1803/+30.7953+130.2000/+30.7988+130.2200/+30.7998+130.2400/+30.8000+130.2430/+30.8168+130.2600/ 南西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8018+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3158/+30.7642+130.3000/+30.7771+130.2800/+30.7800+130.2767/+30.8000+130.2782/+30.8018+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-08T06:00:00+09:00 2026-10-08T09:00:00+09:00 降灰 70 +30.8182+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3304/+30.7696+130.3200/+30.7601+130.3000/+30.7600+130.2991/+30.7409+130.2800/+30.7402+130.2600/+30.7400+130.2557/+30.7246+130.2400/+30.7210+130.2200/+30.7200+130.2064/+30.7141+130.2000/+30.7039+130.1800/+30.7010+130.1600/+30.7000+130.1508/+30.6936+130.1400/+30.6874+130.1200/+30.6838+130.1000/+30.6813+130.0800/+30.6803+130.0600/+30.6800+130.0581/+30.6724+130.0400/+30.6663+130.0200/+30.6652+130.0000/+30.6640+129.9800/+30.6626+129.9600/+30.6615+129.9400/+30.6610+129.9200/+30.6600+129.9160/+30.6546+129.9000/+30.6545+129.8800/+30.6560+129.8600/+30.6582+129.8400/+30.6600+129.8302/+30.6625+129.8200/+30.6723+129.8000/+30.6800+129.7925/+30.6956+129.8000/+30.7000+129.8038/+30.7147+129.8200/+30.7200+129.8277/+30.7239+129.8400/+30.7318+129.8600/+30.7372+129.8800/+30.7395+129.9000/+30.7400+129.9067/+30.7414+129.9200/+30.7495+129.9400/+30.7545+129.9600/+30.7576+129.9800/+30.7549+130.0000/+30.7567+130.0200/+30.7591+130.0400/+30.7600+130.0472/+30.7652+130.0600/+30.7708+130.0800/+30.7739+130.1000/+30.7772+130.1200/+30.7787+130.1400/+30.7798+130.1600/+30.7800+130.1624/+30.7915+130.1800/+30.7976+130.2000/+30.7994+130.2200/+30.7999+130.2400/+30.8000+130.2415/+30.8182+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8061+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3156/+30.7644+130.3000/+30.7732+130.2800/+30.7800+130.2717/+30.8000+130.2738/+30.8061+130.2800/ 西 3 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 +30.8185+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8150+130.3200/+30.8000+130.3350/+30.7800+130.3324/+30.7676+130.3200/+30.7601+130.3000/+30.7600+130.2986/+30.7414+130.2800/+30.7402+130.2600/+30.7400+130.2486/+30.7315+130.2400/+30.7216+130.2200/+30.7203+130.2000/+30.7200+130.1958/+30.7075+130.1800/+30.7020+130.1600/+30.7004+130.1400/+30.7000+130.1371/+30.6890+130.1200/+30.6844+130.1000/+30.6817+130.0800/+30.6800+130.0678/+30.6757+130.0600/+30.6691+130.0400/+30.6626+130.0200/+30.6606+130.0000/+30.6600+129.9944/+30.6548+129.9800/+30.6482+129.9600/+30.6448+129.9400/+30.6444+129.9200/+30.6441+129.9000/+30.6432+129.8800/+30.6436+129.8600/+30.6448+129.8400/+30.6523+129.8200/+30.6600+129.8116/+30.6746+129.8000/+30.6800+129.7980/+30.6818+129.8000/+30.6906+129.8200/+30.6971+129.8400/+30.7000+129.8441/+30.7094+129.8600/+30.7184+129.8800/+30.7200+129.8858/+30.7238+129.9000/+30.7304+129.9200/+30.7363+129.9400/+30.7399+129.9600/+30.7400+129.9604/+30.7446+129.9800/+30.7400+129.9952/+30.7396+130.0000/+30.7400+130.0024/+30.7480+130.0200/+30.7544+130.0400/+30.7572+130.0600/+30.7593+130.0800/+30.7600+130.0847/+30.7689+130.1000/+30.7742+130.1200/+30.7779+130.1400/+30.7794+130.1600/+30.7800+130.1666/+30.7903+130.1800/+30.7977+130.2000/+30.7994+130.2200/+30.7999+130.2400/+30.8000+130.2413/+30.8185+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8080+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3149/+30.7651+130.3000/+30.7719+130.2800/+30.7800+130.2703/+30.8000+130.2720/+30.8080+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 +30.8172+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8161+130.3200/+30.8000+130.3361/+30.7800+130.3345/+30.7655+130.3200/+30.7600+130.3000/+30.7600+130.2983/+30.7417+130.2800/+30.7402+130.2600/+30.7400+130.2417/+30.7383+130.2400/+30.7214+130.2200/+30.7203+130.2000/+30.7200+130.1961/+30.7055+130.1800/+30.7015+130.1600/+30.7000+130.1464/+30.6942+130.1400/+30.6841+130.1200/+30.6817+130.1000/+30.6800+130.0910/+30.6713+130.0800/+30.6638+130.0600/+30.6605+130.0400/+30.6600+130.0382/+30.6449+130.0200/+30.6404+130.0000/+30.6400+129.9979/+30.6351+129.9800/+30.6308+129.9600/+30.6281+129.9400/+30.6239+129.9200/+30.6247+129.9000/+30.6256+129.8800/+30.6263+129.8600/+30.6272+129.8400/+30.6369+129.8200/+30.6400+129.8163/+30.6458+129.8200/+30.6600+129.8344/+30.6651+129.8400/+30.6800+129.8512/+30.6854+129.8600/+30.6944+129.8800/+30.7000+129.8898/+30.7041+129.9000/+30.7113+129.9200/+30.7146+129.9400/+30.7200+129.9558/+30.7224+129.9600/+30.7340+129.9800/+30.7343+130.0000/+30.7386+130.0200/+30.7400+130.0369/+30.7406+130.0400/+30.7494+130.0600/+30.7562+130.0800/+30.7595+130.1000/+30.7600+130.1052/+30.7668+130.1200/+30.7749+130.1400/+30.7785+130.1600/+30.7798+130.1800/+30.7800+130.1819/+30.7946+130.2000/+30.7991+130.2200/+30.7998+130.2400/+30.8000+130.2427/+30.8172+130.2600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8042+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3164/+30.7636+130.3000/+30.7756+130.2800/+30.7800+130.2744/+30.8000+130.2758/+30.8042+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 +30.8152+130.2400/+30.8195+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3355/+30.7645+130.3200/+30.7601+130.3000/+30.7600+130.2973/+30.7427+130.2800/+30.7403+130.2600/+30.7400+130.2446/+30.7354+130.2400/+30.7216+130.2200/+30.7202+130.2000/+30.7200+130.1989/+30.7036+130.1800/+30.7009+130.1600/+30.7000+130.1556/+30.6865+130.1400/+30.6820+130.1200/+30.6800+130.1100/+30.6716+130.1000/+30.6633+130.0800/+30.6600+130.0651/+30.6556+130.0600/+30.6400+130.0459/+30.6336+130.0400/+30.6272+130.0200/+30.6203+130.0000/+30.6200+129.9992/+30.6103+129.9800/+30.6038+129.9600/+30.6000+129.9502/+30.5902+129.9400/+30.5807+129.9200/+30.5800+129.9155/+30.5773+129.9000/+30.5732+129.8800/+30.5690+129.8600/+30.5722+129.8400/+30.5800+129.8233/+30.5854+129.8200/+30.6000+129.8164/+30.6027+129.8200/+30.6169+129.8400/+30.6200+129.8444/+30.6331+129.8600/+30.6400+129.8669/+30.6493+129.8800/+30.6600+129.8914/+30.6655+129.9000/+30.6748+129.9200/+30.6800+129.9294/+30.6868+129.9400/+30.6969+129.9600/+30.7000+129.9663/+30.7069+129.9800/+30.7179+130.0000/+30.7200+130.0116/+30.7232+130.0200/+30.7351+130.0400/+30.7400+130.0543/+30.7439+130.0600/+30.7545+130.0800/+30.7600+130.0990/+30.7606+130.1000/+30.7748+130.1200/+30.7786+130.1400/+30.7800+130.1486/+30.7878+130.1600/+30.7960+130.1800/+30.7989+130.2000/+30.7998+130.2200/+30.8000+130.2232/+30.8152+130.2400/ 南西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3183/+30.7617+130.3000/+30.7750+130.2800/+30.7800+130.2738/+30.7954+130.2800/+30.8000+130.2801/+30.8188+130.3000/ 南西 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に降灰が予想されます。 　８日０時から８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 　０８日００時から０３時まで　西　　　　　　　３０ｋｍ　　２ｋｍ　　　　　 　０８日０３時から０６時まで　南西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０８日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　南西　　　　　　５０ｋｍ　　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。