2026-10-11T11:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T20:00:00+09:00 2026-10-11T21:00:00+09:00 2026-10-12T15:00:00+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、１１日２１時から２４時までは火口から西方向、１２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 2026-10-11T21:00:00+09:00 2026-10-12T00:00:00+09:00 降灰 70 +30.9217+129.7600/+30.9234+129.7800/+30.9245+129.8000/+30.9225+129.8200/+30.9200+129.8317/+30.9187+129.8400/+30.9145+129.8600/+30.9122+129.8800/+30.9101+129.9000/+30.9000+129.9157/+30.8983+129.9200/+30.8966+129.9400/+30.8949+129.9600/+30.8928+129.9800/+30.8904+130.0000/+30.8800+130.0110/+30.8764+130.0200/+30.8737+130.0400/+30.8686+130.0600/+30.8600+130.0739/+30.8595+130.0800/+30.8585+130.1000/+30.8575+130.1200/+30.8557+130.1400/+30.8497+130.1600/+30.8400+130.1728/+30.8398+130.1800/+30.8397+130.2000/+30.8396+130.2200/+30.8396+130.2400/+30.8389+130.2600/+30.8230+130.2800/+30.8200+130.2830/+30.8200+130.3000/+30.8122+130.3200/+30.8000+130.3322/+30.7800+130.3231/+30.7769+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7607+130.2600/+30.7697+130.2400/+30.7800+130.2287/+30.7801+130.2200/+30.7803+130.2000/+30.7805+130.1800/+30.7810+130.1600/+30.7822+130.1400/+30.7852+130.1200/+30.7891+130.1000/+30.8000+130.0810/+30.8001+130.0800/+30.8009+130.0600/+30.8022+130.0400/+30.8042+130.0200/+30.8079+130.0000/+30.8035+129.9800/+30.8076+129.9600/+30.8129+129.9400/+30.8189+129.9200/+30.8200+129.9170/+30.8246+129.9000/+30.8282+129.8800/+30.8387+129.8600/+30.8400+129.8582/+30.8485+129.8400/+30.8533+129.8200/+30.8588+129.8000/+30.8600+129.7974/+30.8740+129.7800/+30.8800+129.7650/+30.8819+129.7600/+30.8910+129.7400/+30.9000+129.7265/+30.9146+129.7400/+30.9200+129.7538/+30.9217+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8099+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7901+130.2800/+30.8000+130.2677/+30.8099+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T00:00:00+09:00 2026-10-12T03:00:00+09:00 降灰 70 +30.9476+129.8200/+30.9521+129.8400/+30.9492+129.8600/+30.9471+129.8800/+30.9435+129.9000/+30.9404+129.9200/+30.9400+129.9209/+30.9336+129.9400/+30.9308+129.9600/+30.9279+129.9800/+30.9235+130.0000/+30.9200+130.0118/+30.9181+130.0200/+30.9037+130.0400/+30.9000+130.0481/+30.8988+130.0600/+30.8958+130.0800/+30.8898+130.1000/+30.8800+130.1134/+30.8792+130.1200/+30.8775+130.1400/+30.8736+130.1600/+30.8600+130.1765/+30.8597+130.1800/+30.8591+130.2000/+30.8572+130.2200/+30.8400+130.2385/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3299/+30.7701+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7802+130.2400/+30.7806+130.2200/+30.7824+130.2000/+30.7898+130.1800/+30.8000+130.1656/+30.8003+130.1600/+30.8013+130.1400/+30.8038+130.1200/+30.8084+130.1000/+30.8171+130.0800/+30.8200+130.0751/+30.8219+130.0600/+30.8240+130.0400/+30.8280+130.0200/+30.8341+130.0000/+30.8352+129.9800/+30.8400+129.9705/+30.8421+129.9600/+30.8465+129.9400/+30.8522+129.9200/+30.8600+129.9013/+30.8608+129.9000/+30.8674+129.8800/+30.8751+129.8600/+30.8800+129.8511/+30.8867+129.8400/+30.8959+129.8200/+30.9000+129.8124/+30.9200+129.8024/+30.9400+129.8063/+30.9476+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8089+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7916+130.2800/+30.8000+130.2700/+30.8089+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T03:00:00+09:00 2026-10-12T06:00:00+09:00 降灰 70 +30.9670+129.8400/+30.9716+129.8600/+30.9735+129.8800/+30.9694+129.9000/+30.9652+129.9200/+30.9600+129.9273/+30.9562+129.9400/+30.9524+129.9600/+30.9478+129.9800/+30.9403+130.0000/+30.9400+130.0006/+30.9349+130.0200/+30.9200+130.0352/+30.9179+130.0400/+30.9144+130.0600/+30.9045+130.0800/+30.9000+130.0858/+30.8972+130.1000/+30.8912+130.1200/+30.8800+130.1347/+30.8793+130.1400/+30.8770+130.1600/+30.8670+130.1800/+30.8600+130.1874/+30.8593+130.2000/+30.8581+130.2200/+30.8436+130.2400/+30.8400+130.2436/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3328/+30.7672+130.3200/+30.7601+130.3000/+30.7604+130.2800/+30.7800+130.2600/+30.7802+130.2400/+30.7808+130.2200/+30.7841+130.2000/+30.8000+130.1804/+30.8000+130.1800/+30.8011+130.1600/+30.8032+130.1400/+30.8105+130.1200/+30.8200+130.1064/+30.8211+130.1000/+30.8250+130.0800/+30.8317+130.0600/+30.8400+130.0443/+30.8408+130.0400/+30.8473+130.0200/+30.8492+130.0000/+30.8591+129.9800/+30.8600+129.9780/+30.8678+129.9600/+30.8800+129.9405/+30.8803+129.9400/+30.8918+129.9200/+30.9000+129.9020/+30.9011+129.9000/+30.9146+129.8800/+30.9200+129.8722/+30.9399+129.8600/+30.9400+129.8599/+30.9552+129.8400/+30.9600+129.8337/+30.9670+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8010+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7990+130.2800/+30.8000+130.2788/+30.8010+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T06:00:00+09:00 2026-10-12T09:00:00+09:00 降灰 70 +30.9437+129.8600/+30.9470+129.8800/+30.9449+129.9000/+30.9436+129.9200/+30.9400+129.9339/+30.9386+129.9400/+30.9343+129.9600/+30.9291+129.9800/+30.9222+130.0000/+30.9200+130.0059/+30.9151+130.0200/+30.9000+130.0390/+30.8998+130.0400/+30.8960+130.0600/+30.8899+130.0800/+30.8800+130.0967/+30.8796+130.1000/+30.8771+130.1200/+30.8723+130.1400/+30.8600+130.1556/+30.8596+130.1600/+30.8588+130.1800/+30.8570+130.2000/+30.8429+130.2200/+30.8400+130.2229/+30.8398+130.2400/+30.8397+130.2600/+30.8385+130.2800/+30.8200+130.2986/+30.8200+130.3000/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3327/+30.7673+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7635+130.2600/+30.7800+130.2433/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7826+130.1800/+30.7886+130.1600/+30.8000+130.1429/+30.8002+130.1400/+30.8012+130.1200/+30.8035+130.1000/+30.8079+130.0800/+30.8176+130.0600/+30.8200+130.0554/+30.8220+130.0400/+30.8250+130.0200/+30.8336+130.0000/+30.8384+129.9800/+30.8400+129.9772/+30.8439+129.9600/+30.8508+129.9400/+30.8600+129.9225/+30.8621+129.9200/+30.8728+129.9000/+30.8800+129.8883/+30.8878+129.8800/+30.9000+129.8606/+30.9004+129.8600/+30.9150+129.8400/+30.9200+129.8327/+30.9324+129.8400/+30.9400+129.8496/+30.9437+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8054+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7946+130.2800/+30.8000+130.2736/+30.8054+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T09:00:00+09:00 2026-10-12T12:00:00+09:00 降灰 70 +30.9642+129.8400/+30.9609+129.8600/+30.9600+129.8661/+30.9583+129.8800/+30.9544+129.9000/+30.9523+129.9200/+30.9479+129.9400/+30.9419+129.9600/+30.9400+129.9644/+30.9360+129.9800/+30.9313+130.0000/+30.9259+130.0200/+30.9200+130.0257/+30.9109+130.0400/+30.9000+130.0573/+30.8994+130.0600/+30.8969+130.0800/+30.8908+130.1000/+30.8800+130.1148/+30.8792+130.1200/+30.8771+130.1400/+30.8716+130.1600/+30.8600+130.1733/+30.8595+130.1800/+30.8586+130.2000/+30.8544+130.2200/+30.8400+130.2351/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8168+130.3200/+30.8000+130.3368/+30.7800+130.3316/+30.7683+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7771+130.2600/+30.7800+130.2571/+30.7801+130.2400/+30.7804+130.2200/+30.7819+130.2000/+30.7888+130.1800/+30.8000+130.1660/+30.8004+130.1600/+30.8015+130.1400/+30.8036+130.1200/+30.8091+130.1000/+30.8200+130.0830/+30.8205+130.0800/+30.8228+130.0600/+30.8259+130.0400/+30.8370+130.0200/+30.8400+130.0118/+30.8414+130.0000/+30.8437+129.9800/+30.8491+129.9600/+30.8590+129.9400/+30.8600+129.9384/+30.8735+129.9200/+30.8800+129.9040/+30.8820+129.9000/+30.8920+129.8800/+30.9000+129.8631/+30.9018+129.8600/+30.9169+129.8400/+30.9200+129.8351/+30.9400+129.8336/+30.9600+129.8311/+30.9642+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8044+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7956+130.2800/+30.8000+130.2746/+30.8044+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T12:00:00+09:00 2026-10-12T15:00:00+09:00 降灰 70 +30.9870+129.8800/+30.9963+129.9000/+30.9981+129.9200/+30.9895+129.9400/+30.9815+129.9600/+30.9800+129.9628/+30.9735+129.9800/+30.9638+130.0000/+30.9600+130.0058/+30.9561+130.0200/+30.9479+130.0400/+30.9400+130.0487/+30.9300+130.0600/+30.9200+130.0724/+30.9177+130.0800/+30.9123+130.1000/+30.9000+130.1183/+30.8995+130.1200/+30.8934+130.1400/+30.8800+130.1568/+30.8794+130.1600/+30.8755+130.1800/+30.8600+130.1982/+30.8598+130.2000/+30.8588+130.2200/+30.8515+130.2400/+30.8400+130.2517/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3330/+30.7670+130.3200/+30.7601+130.3000/+30.7604+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7802+130.2400/+30.7810+130.2200/+30.7871+130.2000/+30.8000+130.1846/+30.8004+130.1800/+30.8020+130.1600/+30.8075+130.1400/+30.8200+130.1232/+30.8206+130.1200/+30.8234+130.1000/+30.8307+130.0800/+30.8400+130.0648/+30.8414+130.0600/+30.8477+130.0400/+30.8600+130.0218/+30.8609+130.0200/+30.8625+130.0000/+30.8745+129.9800/+30.8800+129.9703/+30.8855+129.9600/+30.9000+129.9424/+30.9020+129.9400/+30.9172+129.9200/+30.9200+129.9137/+30.9323+129.9000/+30.9400+129.8923/+30.9527+129.8800/+30.9600+129.8723/+30.9800+129.8767/+30.9870+129.8800/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8050+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7955+130.2800/+30.8000+130.2748/+30.8050+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、１１日２１時から２４時までは火口から西方向、１２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。 　１１日２１時から１２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 　１１日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１２日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１２時から１５時まで　北西　　　　　　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。