2026-10-10T23:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T08:00:00+09:00 2026-10-11T09:00:00+09:00 2026-10-12T03:00:00+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０９時から１２時までは火口から北西方向、１１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 2026-10-11T09:00:00+09:00 2026-10-11T12:00:00+09:00 降灰 70 +31.0463+129.7400/+31.0428+129.7600/+31.0400+129.7650/+31.0337+129.7800/+31.0320+129.8000/+31.0282+129.8200/+31.0255+129.8400/+31.0200+129.8507/+31.0157+129.8600/+31.0001+129.8800/+31.0000+129.8801/+30.9943+129.9000/+30.9894+129.9200/+30.9841+129.9400/+30.9800+129.9457/+30.9656+129.9600/+30.9600+129.9653/+30.9560+129.9800/+30.9517+130.0000/+30.9435+130.0200/+30.9400+130.0257/+30.9287+130.0400/+30.9200+130.0470/+30.9173+130.0600/+30.9116+130.0800/+30.9000+130.0943/+30.8991+130.1000/+30.8961+130.1200/+30.8839+130.1400/+30.8800+130.1441/+30.8789+130.1600/+30.8761+130.1800/+30.8600+130.1979/+30.8598+130.2000/+30.8594+130.2200/+30.8556+130.2400/+30.8400+130.2556/+30.8399+130.2600/+30.8398+130.2800/+30.8303+130.3000/+30.8200+130.3103/+30.8114+130.3200/+30.8000+130.3314/+30.7811+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7609+130.2800/+30.7800+130.2608/+30.7801+130.2600/+30.7802+130.2400/+30.7819+130.2200/+30.8000+130.2011/+30.8001+130.2000/+30.8007+130.1800/+30.8035+130.1600/+30.8200+130.1405/+30.8201+130.1400/+30.8216+130.1200/+30.8263+130.1000/+30.8400+130.0825/+30.8404+130.0800/+30.8432+130.0600/+30.8516+130.0400/+30.8600+130.0291/+30.8621+130.0200/+30.8600+130.0022/+30.8586+130.0000/+30.8600+129.9980/+30.8673+129.9800/+30.8735+129.9600/+30.8800+129.9472/+30.8834+129.9400/+30.9000+129.9231/+30.9017+129.9200/+30.9000+129.9073/+30.8976+129.9000/+30.9000+129.8958/+30.9162+129.8800/+30.9200+129.8751/+30.9261+129.8600/+30.9357+129.8400/+30.9400+129.8304/+30.9469+129.8200/+30.9600+129.8075/+30.9703+129.8000/+30.9800+129.7816/+30.9809+129.7800/+30.9947+129.7600/+31.0000+129.7533/+31.0200+129.7513/+31.0342+129.7400/+31.0400+129.7325/+31.0463+129.7400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8117+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7890+130.2800/+30.8000+130.2667/+30.8117+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T12:00:00+09:00 2026-10-11T15:00:00+09:00 降灰 70 +31.0268+129.8000/+31.0220+129.8200/+31.0200+129.8350/+31.0195+129.8400/+31.0163+129.8600/+31.0137+129.8800/+31.0028+129.9000/+31.0000+129.9037/+30.9942+129.9200/+30.9901+129.9400/+30.9819+129.9600/+30.9800+129.9644/+30.9752+129.9800/+30.9627+130.0000/+30.9600+130.0032/+30.9560+130.0200/+30.9515+130.0400/+30.9400+130.0514/+30.9343+130.0600/+30.9202+130.0800/+30.9200+130.0803/+30.9162+130.1000/+30.9067+130.1200/+30.9000+130.1277/+30.8983+130.1400/+30.8917+130.1600/+30.8800+130.1725/+30.8791+130.1800/+30.8763+130.2000/+30.8600+130.2171/+30.8598+130.2200/+30.8589+130.2400/+30.8400+130.2595/+30.8400+130.2600/+30.8399+130.2800/+30.8364+130.3000/+30.8200+130.3164/+30.8149+130.3200/+30.8000+130.3349/+30.7800+130.3272/+30.7729+130.3200/+30.7602+130.3000/+30.7609+130.2800/+30.7800+130.2608/+30.7801+130.2600/+30.7803+130.2400/+30.7831+130.2200/+30.8000+130.2018/+30.8002+130.2000/+30.8015+130.1800/+30.8057+130.1600/+30.8200+130.1414/+30.8203+130.1400/+30.8232+130.1200/+30.8303+130.1000/+30.8400+130.0842/+30.8409+130.0800/+30.8456+130.0600/+30.8539+130.0400/+30.8600+130.0305/+30.8636+130.0200/+30.8639+130.0000/+30.8745+129.9800/+30.8800+129.9690/+30.8842+129.9600/+30.8989+129.9400/+30.9000+129.9387/+30.9076+129.9200/+30.9108+129.9000/+30.9200+129.8896/+30.9261+129.8800/+30.9368+129.8600/+30.9400+129.8554/+30.9542+129.8400/+30.9600+129.8308/+30.9744+129.8200/+30.9800+129.8109/+30.9844+129.8000/+30.9974+129.7800/+31.0000+129.7766/+31.0085+129.7800/+31.0200+129.7887/+31.0268+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8115+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7902+130.2800/+30.8000+130.2677/+30.8115+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T15:00:00+09:00 2026-10-11T18:00:00+09:00 降灰 70 +30.9618+129.7600/+30.9634+129.7800/+30.9646+129.8000/+30.9600+129.8128/+30.9578+129.8200/+30.9552+129.8400/+30.9504+129.8600/+30.9467+129.8800/+30.9446+129.9000/+30.9425+129.9200/+30.9400+129.9238/+30.9319+129.9400/+30.9283+129.9600/+30.9242+129.9800/+30.9200+129.9909/+30.9173+130.0000/+30.9000+130.0155/+30.8989+130.0200/+30.8964+130.0400/+30.8898+130.0600/+30.8800+130.0747/+30.8795+130.0800/+30.8781+130.1000/+30.8755+130.1200/+30.8644+130.1400/+30.8600+130.1449/+30.8594+130.1600/+30.8588+130.1800/+30.8563+130.2000/+30.8400+130.2177/+30.8399+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8386+130.2800/+30.8200+130.2986/+30.8200+130.3000/+30.8114+130.3200/+30.8000+130.3314/+30.7800+130.3201/+30.7799+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7671+130.2600/+30.7800+130.2469/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7848+130.1800/+30.8000+130.1616/+30.8001+130.1600/+30.8008+130.1400/+30.8021+130.1200/+30.8059+130.1000/+30.8173+130.0800/+30.8200+130.0759/+30.8212+130.0600/+30.8232+130.0400/+30.8273+130.0200/+30.8400+130.0000/+30.8408+129.9800/+30.8429+129.9600/+30.8461+129.9400/+30.8527+129.9200/+30.8595+129.9000/+30.8600+129.8919/+30.8608+129.8800/+30.8701+129.8600/+30.8800+129.8488/+30.8857+129.8400/+30.8927+129.8200/+30.9000+129.8030/+30.9060+129.8000/+30.9200+129.7869/+30.9252+129.7800/+30.9356+129.7600/+30.9400+129.7483/+30.9600+129.7496/+30.9618+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7905+130.2800/+30.8000+130.2682/+30.8095+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T18:00:00+09:00 2026-10-11T21:00:00+09:00 降灰 70 +30.9699+129.7400/+30.9735+129.7600/+30.9733+129.7800/+30.9731+129.8000/+30.9686+129.8200/+30.9606+129.8400/+30.9600+129.8410/+30.9549+129.8600/+30.9518+129.8800/+30.9485+129.9000/+30.9447+129.9200/+30.9400+129.9269/+30.9331+129.9400/+30.9293+129.9600/+30.9242+129.9800/+30.9200+129.9905/+30.9169+130.0000/+30.9000+130.0143/+30.8984+130.0200/+30.8950+130.0400/+30.8863+130.0600/+30.8800+130.0705/+30.8793+130.0800/+30.8773+130.1000/+30.8736+130.1200/+30.8600+130.1375/+30.8598+130.1400/+30.8592+130.1600/+30.8584+130.1800/+30.8521+130.2000/+30.8400+130.2127/+30.8398+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8377+130.2800/+30.8200+130.2978/+30.8200+130.3000/+30.8117+130.3200/+30.8000+130.3317/+30.7800+130.3207/+30.7793+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7643+130.2600/+30.7800+130.2442/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7828+130.1800/+30.7952+130.1600/+30.8000+130.1542/+30.8006+130.1400/+30.8016+130.1200/+30.8036+130.1000/+30.8103+130.0800/+30.8200+130.0654/+30.8206+130.0600/+30.8227+130.0400/+30.8258+130.0200/+30.8356+130.0000/+30.8400+129.9843/+30.8404+129.9800/+30.8431+129.9600/+30.8468+129.9400/+30.8535+129.9200/+30.8600+129.9039/+30.8615+129.9000/+30.8632+129.8800/+30.8732+129.8600/+30.8800+129.8520/+30.8861+129.8400/+30.8925+129.8200/+30.9000+129.8021/+30.9030+129.8000/+30.9191+129.7800/+30.9200+129.7783/+30.9288+129.7600/+30.9372+129.7400/+30.9400+129.7345/+30.9600+129.7254/+30.9699+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8102+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7898+130.2800/+30.8000+130.2677/+30.8102+130.2800/ 北西 3 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 +30.9613+129.8000/+30.9600+129.8020/+30.9519+129.8200/+30.9494+129.8400/+30.9475+129.8600/+30.9460+129.8800/+30.9428+129.9000/+30.9400+129.9158/+30.9392+129.9200/+30.9294+129.9400/+30.9249+129.9600/+30.9200+129.9746/+30.9188+129.9800/+30.9132+130.0000/+30.9000+130.0122/+30.8983+130.0200/+30.8953+130.0400/+30.8871+130.0600/+30.8800+130.0700/+30.8790+130.0800/+30.8775+130.1000/+30.8737+130.1200/+30.8600+130.1383/+30.8599+130.1400/+30.8592+130.1600/+30.8583+130.1800/+30.8534+130.2000/+30.8400+130.2143/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8383+130.2800/+30.8200+130.2983/+30.8200+130.3000/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3246/+30.7754+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7651+130.2600/+30.7800+130.2447/+30.7801+130.2400/+30.7803+130.2200/+30.7808+130.2000/+30.7830+130.1800/+30.7939+130.1600/+30.8000+130.1524/+30.8005+130.1400/+30.8015+130.1200/+30.8034+130.1000/+30.8084+130.0800/+30.8200+130.0608/+30.8201+130.0600/+30.8217+130.0400/+30.8236+130.0200/+30.8299+130.0000/+30.8314+129.9800/+30.8400+129.9638/+30.8406+129.9600/+30.8440+129.9400/+30.8493+129.9200/+30.8552+129.9000/+30.8593+129.8800/+30.8600+129.8777/+30.8676+129.8600/+30.8800+129.8443/+30.8833+129.8400/+30.8905+129.8200/+30.8984+129.8000/+30.9000+129.7953/+30.9200+129.7834/+30.9243+129.7800/+30.9398+129.7600/+30.9400+129.7596/+30.9408+129.7600/+30.9578+129.7800/+30.9600+129.7864/+30.9613+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8078+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7922+130.2800/+30.8000+130.2701/+30.8078+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 +30.9308+129.8200/+30.9360+129.8400/+30.9337+129.8600/+30.9315+129.8800/+30.9270+129.9000/+30.9225+129.9200/+30.9220+129.9400/+30.9200+129.9587/+30.9199+129.9600/+30.9169+129.9800/+30.9090+130.0000/+30.9000+130.0080/+30.8966+130.0200/+30.8938+130.0400/+30.8892+130.0600/+30.8800+130.0774/+30.8797+130.0800/+30.8781+130.1000/+30.8751+130.1200/+30.8660+130.1400/+30.8600+130.1473/+30.8593+130.1600/+30.8585+130.1800/+30.8559+130.2000/+30.8400+130.2181/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8386+130.2800/+30.8200+130.2986/+30.8200+130.3000/+30.8162+130.3200/+30.8000+130.3362/+30.7800+130.3310/+30.7690+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7653+130.2600/+30.7800+130.2451/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7831+130.1800/+30.7921+130.1600/+30.8000+130.1489/+30.8005+130.1400/+30.8018+130.1200/+30.8039+130.1000/+30.8073+130.0800/+30.8137+130.0600/+30.8200+130.0451/+30.8205+130.0400/+30.8225+130.0200/+30.8250+130.0000/+30.8242+129.9800/+30.8287+129.9600/+30.8375+129.9400/+30.8400+129.9365/+30.8459+129.9200/+30.8520+129.9000/+30.8576+129.8800/+30.8600+129.8709/+30.8635+129.8600/+30.8722+129.8400/+30.8800+129.8257/+30.8899+129.8200/+30.9000+129.8136/+30.9200+129.8091/+30.9308+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8072+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7928+130.2800/+30.8000+130.2712/+30.8072+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０９時から１２時までは火口から北西方向、１１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。 　１１日９時から１２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 　１１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１２時から１５時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日００時から０３時まで　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。