2026-10-10T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T11:00:00+09:00 2026-10-10T12:00:00+09:00 2026-10-11T06:00:00+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、１０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 2026-10-10T12:00:00+09:00 2026-10-10T15:00:00+09:00 降灰 70 +31.0016+129.5400/+31.0036+129.5600/+31.0040+129.5800/+31.0042+129.6000/+31.0000+129.6168/+30.9936+129.6200/+30.9866+129.6400/+30.9830+129.6600/+30.9800+129.6798/+30.9800+129.6800/+30.9784+129.7000/+30.9758+129.7200/+30.9736+129.7400/+30.9711+129.7600/+30.9678+129.7800/+30.9641+129.8000/+30.9600+129.8040/+30.9520+129.8200/+30.9483+129.8400/+30.9455+129.8600/+30.9422+129.8800/+30.9400+129.8891/+30.9367+129.9000/+30.9298+129.9200/+30.9224+129.9400/+30.9200+129.9481/+30.9177+129.9600/+30.9083+129.9800/+30.9000+129.9929/+30.8991+130.0000/+30.8937+130.0200/+30.8864+130.0400/+30.8800+130.0486/+30.8784+130.0600/+30.8773+130.0800/+30.8747+130.1000/+30.8644+130.1200/+30.8600+130.1293/+30.8597+130.1400/+30.8600+130.1574/+30.8672+130.1600/+30.8800+130.1701/+30.8813+130.1800/+30.8800+130.1820/+30.8722+130.2000/+30.8636+130.2200/+30.8600+130.2240/+30.8554+130.2400/+30.8435+130.2600/+30.8400+130.2636/+30.8386+130.2800/+30.8248+130.3000/+30.8200+130.3048/+30.8151+130.3200/+30.8000+130.3351/+30.7800+130.3306/+30.7694+130.3200/+30.7604+130.3000/+30.7602+130.2800/+30.7604+130.2600/+30.7607+130.2400/+30.7618+130.2200/+30.7650+130.2000/+30.7716+130.1800/+30.7800+130.1624/+30.7800+130.1600/+30.7805+130.1400/+30.7812+130.1200/+30.7822+130.1000/+30.7836+130.0800/+30.7857+130.0600/+30.7902+130.0400/+30.7941+130.0200/+30.8000+130.0076/+30.8012+130.0000/+30.8000+129.9856/+30.7982+129.9800/+30.8000+129.9752/+30.8035+129.9600/+30.8101+129.9400/+30.8200+129.9201/+30.8200+129.9200/+30.8264+129.9000/+30.8307+129.8800/+30.8400+129.8624/+30.8407+129.8600/+30.8471+129.8400/+30.8516+129.8200/+30.8576+129.8000/+30.8600+129.7931/+30.8653+129.7800/+30.8736+129.7600/+30.8800+129.7452/+30.8827+129.7400/+30.8923+129.7200/+30.9000+129.7083/+30.9064+129.7000/+30.9161+129.6800/+30.9200+129.6714/+30.9251+129.6600/+30.9339+129.6400/+30.9400+129.6274/+30.9491+129.6200/+30.9600+129.6081/+30.9765+129.6000/+30.9800+129.5963/+30.9887+129.5800/+30.9935+129.5600/+30.9981+129.5400/+31.0000+129.5333/+31.0016+129.5400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8173+130.2600/+30.8165+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7836+130.2800/+30.7950+130.2600/+30.8000+130.2520/+30.8173+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-10T15:00:00+09:00 2026-10-10T18:00:00+09:00 降灰 70 +31.0081+129.6000/+31.0131+129.6200/+31.0160+129.6400/+31.0152+129.6600/+31.0114+129.6800/+31.0077+129.7000/+31.0000+129.7136/+30.9954+129.7200/+30.9872+129.7400/+30.9838+129.7600/+30.9821+129.7800/+30.9809+129.8000/+30.9800+129.8067/+30.9775+129.8200/+30.9662+129.8400/+30.9600+129.8510/+30.9580+129.8600/+30.9543+129.8800/+30.9511+129.9000/+30.9474+129.9200/+30.9400+129.9307/+30.9348+129.9400/+30.9304+129.9600/+30.9259+129.9800/+30.9200+129.9960/+30.9189+130.0000/+30.9000+130.0162/+30.8990+130.0200/+30.8966+130.0400/+30.8925+130.0600/+30.8800+130.0786/+30.8798+130.0800/+30.8784+130.1000/+30.8764+130.1200/+30.8668+130.1400/+30.8600+130.1481/+30.8595+130.1600/+30.8589+130.1800/+30.8568+130.2000/+30.8400+130.2189/+30.8400+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8387+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7604+130.3000/+30.7604+130.2800/+30.7629+130.2600/+30.7800+130.2423/+30.7801+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7812+130.1800/+30.7839+130.1600/+30.7932+130.1400/+30.8000+130.1303/+30.8005+130.1200/+30.8017+130.1000/+30.8038+130.0800/+30.8081+130.0600/+30.8200+130.0405/+30.8201+130.0400/+30.8215+130.0200/+30.8238+130.0000/+30.8205+129.9800/+30.8271+129.9600/+30.8400+129.9413/+30.8403+129.9400/+30.8453+129.9200/+30.8488+129.9000/+30.8517+129.8800/+30.8572+129.8600/+30.8600+129.8531/+30.8679+129.8400/+30.8771+129.8200/+30.8800+129.8156/+30.8848+129.8000/+30.8846+129.7800/+30.9000+129.7613/+30.9013+129.7600/+30.9132+129.7400/+30.9200+129.7204/+30.9201+129.7200/+30.9269+129.7000/+30.9346+129.6800/+30.9400+129.6689/+30.9483+129.6600/+30.9600+129.6452/+30.9655+129.6400/+30.9800+129.6223/+30.9816+129.6200/+30.9929+129.6000/+31.0000+129.5874/+31.0081+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8196+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2602/+30.8196+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +31.0005+129.6200/+31.0073+129.6400/+31.0096+129.6600/+31.0095+129.6800/+31.0094+129.7000/+31.0047+129.7200/+31.0000+129.7375/+30.9991+129.7400/+30.9937+129.7600/+30.9900+129.7800/+30.9878+129.8000/+30.9852+129.8200/+30.9820+129.8400/+30.9800+129.8472/+30.9757+129.8600/+30.9658+129.8800/+30.9600+129.8898/+30.9579+129.9000/+30.9546+129.9200/+30.9486+129.9400/+30.9410+129.9600/+30.9400+129.9619/+30.9357+129.9800/+30.9320+130.0000/+30.9273+130.0200/+30.9200+130.0271/+30.9077+130.0400/+30.9000+130.0500/+30.8984+130.0600/+30.8957+130.0800/+30.8881+130.1000/+30.8800+130.1099/+30.8790+130.1200/+30.8771+130.1400/+30.8687+130.1600/+30.8600+130.1695/+30.8596+130.1800/+30.8589+130.2000/+30.8539+130.2200/+30.8400+130.2343/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7605+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7815+130.2000/+30.7920+130.1800/+30.8000+130.1712/+30.8004+130.1600/+30.8012+130.1400/+30.8035+130.1200/+30.8129+130.1000/+30.8200+130.0907/+30.8209+130.0800/+30.8225+130.0600/+30.8266+130.0400/+30.8334+130.0200/+30.8400+130.0090/+30.8413+130.0000/+30.8424+129.9800/+30.8454+129.9600/+30.8504+129.9400/+30.8600+129.9212/+30.8606+129.9200/+30.8661+129.9000/+30.8707+129.8800/+30.8800+129.8653/+30.8817+129.8600/+30.8889+129.8400/+30.8939+129.8200/+30.9000+129.8026/+30.9018+129.8000/+30.9120+129.7800/+30.9190+129.7600/+30.9200+129.7567/+30.9257+129.7400/+30.9346+129.7200/+30.9400+129.7109/+30.9541+129.7000/+30.9600+129.6923/+30.9745+129.6800/+30.9800+129.6712/+30.9845+129.6600/+30.9914+129.6400/+30.9995+129.6200/+31.0000+129.6188/+31.0005+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8137+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7863+130.2800/+30.8000+130.2628/+30.8137+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 +30.9445+129.7000/+30.9470+129.7200/+30.9486+129.7400/+30.9481+129.7600/+30.9463+129.7800/+30.9450+129.8000/+30.9422+129.8200/+30.9400+129.8305/+30.9380+129.8400/+30.9343+129.8600/+30.9299+129.8800/+30.9211+129.9000/+30.9200+129.9037/+30.9182+129.9200/+30.9153+129.9400/+30.9109+129.9600/+30.9014+129.9800/+30.9000+129.9825/+30.8983+130.0000/+30.8933+130.0200/+30.8800+130.0397/+30.8799+130.0400/+30.8780+130.0600/+30.8766+130.0800/+30.8728+130.1000/+30.8637+130.1200/+30.8600+130.1261/+30.8595+130.1400/+30.8585+130.1600/+30.8567+130.1800/+30.8480+130.2000/+30.8400+130.2088/+30.8398+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8357+130.2800/+30.8200+130.2966/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7602+130.2800/+30.7618+130.2600/+30.7800+130.2413/+30.7801+130.2400/+30.7802+130.2200/+30.7803+130.2000/+30.7808+130.1800/+30.7820+130.1600/+30.7854+130.1400/+30.7948+130.1200/+30.8000+130.1104/+30.8004+130.1000/+30.8013+130.0800/+30.8022+130.0600/+30.8040+130.0400/+30.8065+130.0200/+30.8133+130.0000/+30.8063+129.9800/+30.8102+129.9600/+30.8162+129.9400/+30.8200+129.9301/+30.8230+129.9200/+30.8283+129.9000/+30.8325+129.8800/+30.8400+129.8672/+30.8424+129.8600/+30.8493+129.8400/+30.8522+129.8200/+30.8555+129.8000/+30.8600+129.7889/+30.8655+129.7800/+30.8726+129.7600/+30.8796+129.7400/+30.8800+129.7389/+30.8871+129.7200/+30.8972+129.7000/+30.9000+129.6949/+30.9200+129.6933/+30.9400+129.6874/+30.9445+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2634/+30.8136+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +31.0027+129.7000/+31.0023+129.7200/+31.0021+129.7400/+31.0000+129.7507/+30.9977+129.7600/+30.9925+129.7800/+30.9903+129.8000/+30.9872+129.8200/+30.9850+129.8400/+30.9805+129.8600/+30.9800+129.8619/+30.9750+129.8800/+30.9648+129.9000/+30.9600+129.9063/+30.9567+129.9200/+30.9508+129.9400/+30.9453+129.9600/+30.9400+129.9707/+30.9374+129.9800/+30.9336+130.0000/+30.9289+130.0200/+30.9200+130.0284/+30.9113+130.0400/+30.9000+130.0564/+30.8993+130.0600/+30.8969+130.0800/+30.8914+130.1000/+30.8800+130.1141/+30.8793+130.1200/+30.8777+130.1400/+30.8722+130.1600/+30.8600+130.1740/+30.8597+130.1800/+30.8592+130.2000/+30.8565+130.2200/+30.8400+130.2373/+30.8399+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8061+130.3200/+30.8000+130.3260/+30.7909+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7606+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7829+130.2000/+30.8000+130.1812/+30.8001+130.1800/+30.8006+130.1600/+30.8017+130.1400/+30.8055+130.1200/+30.8200+130.1006/+30.8201+130.1000/+30.8215+130.0800/+30.8240+130.0600/+30.8302+130.0400/+30.8400+130.0221/+30.8403+130.0200/+30.8423+130.0000/+30.8436+129.9800/+30.8469+129.9600/+30.8531+129.9400/+30.8600+129.9264/+30.8628+129.9200/+30.8696+129.9000/+30.8800+129.8805/+30.8803+129.8800/+30.8854+129.8600/+30.8914+129.8400/+30.8966+129.8200/+30.9000+129.8100/+30.9066+129.8000/+30.9175+129.7800/+30.9200+129.7743/+30.9266+129.7600/+30.9360+129.7400/+30.9400+129.7322/+30.9553+129.7200/+30.9600+129.7160/+30.9800+129.7129/+30.9934+129.7000/+31.0000+129.6897/+31.0027+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8123+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2649/+30.8123+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +31.0427+129.7000/+31.0400+129.7079/+31.0355+129.7200/+31.0343+129.7400/+31.0322+129.7600/+31.0296+129.7800/+31.0278+129.8000/+31.0219+129.8200/+31.0200+129.8255/+31.0145+129.8400/+31.0000+129.8569/+30.9986+129.8600/+30.9920+129.8800/+30.9870+129.9000/+30.9802+129.9200/+30.9800+129.9206/+30.9643+129.9400/+30.9600+129.9431/+30.9567+129.9600/+30.9522+129.9800/+30.9466+130.0000/+30.9400+130.0129/+30.9382+130.0200/+30.9200+130.0369/+30.9186+130.0400/+30.9146+130.0600/+30.9000+130.0786/+30.8997+130.0800/+30.8974+130.1000/+30.8920+130.1200/+30.8800+130.1358/+30.8796+130.1400/+30.8781+130.1600/+30.8705+130.1800/+30.8600+130.1915/+30.8597+130.2000/+30.8590+130.2200/+30.8504+130.2400/+30.8400+130.2519/+30.8399+130.2600/+30.8399+130.2800/+30.8298+130.3000/+30.8200+130.3083/+30.8044+130.3200/+30.8000+130.3244/+30.7930+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7608+130.2800/+30.7800+130.2608/+30.7801+130.2600/+30.7802+130.2400/+30.7808+130.2200/+30.7905+130.2000/+30.8000+130.1901/+30.8004+130.1800/+30.8015+130.1600/+30.8059+130.1400/+30.8200+130.1229/+30.8204+130.1200/+30.8219+130.1000/+30.8263+130.0800/+30.8400+130.0616/+30.8403+130.0600/+30.8429+130.0400/+30.8486+130.0200/+30.8471+130.0000/+30.8553+129.9800/+30.8600+129.9698/+30.8628+129.9600/+30.8696+129.9400/+30.8800+129.9227/+30.8815+129.9200/+30.8867+129.9000/+30.8947+129.8800/+30.9000+129.8652/+30.9026+129.8600/+30.9200+129.8412/+30.9210+129.8400/+30.9284+129.8200/+30.9317+129.8000/+30.9400+129.7850/+30.9446+129.7800/+30.9600+129.7638/+30.9633+129.7600/+30.9753+129.7400/+30.9800+129.7313/+30.9867+129.7200/+31.0000+129.7009/+31.0144+129.7000/+31.0200+129.6993/+31.0400+129.6904/+31.0427+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8145+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2650/+30.8145+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、１０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。 　１０日１２時から１１日６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 　１０日１２時から１５時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　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。