2026-10-10T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T05:00:00+09:00 2026-10-11T06:00:00+09:00 2026-10-12T00:00:00+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 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +31.0553+129.7800/+31.0589+129.8000/+31.0473+129.8200/+31.0414+129.8400/+31.0400+129.8445/+31.0375+129.8600/+31.0314+129.8800/+31.0265+129.9000/+31.0213+129.9200/+31.0200+129.9233/+31.0108+129.9400/+31.0000+129.9508/+30.9963+129.9600/+30.9892+129.9800/+30.9800+129.9997/+30.9799+130.0000/+30.9690+130.0200/+30.9600+130.0277/+30.9566+130.0400/+30.9400+130.0584/+30.9391+130.0600/+30.9339+130.0800/+30.9200+130.0976/+30.9194+130.1000/+30.9149+130.1200/+30.9000+130.1370/+30.8994+130.1400/+30.8963+130.1600/+30.8800+130.1779/+30.8797+130.1800/+30.8779+130.2000/+30.8600+130.2193/+30.8599+130.2200/+30.8593+130.2400/+30.8445+130.2600/+30.8400+130.2645/+30.8399+130.2800/+30.8375+130.3000/+30.8200+130.3174/+30.8141+130.3200/+30.8000+130.3341/+30.7800+130.3228/+30.7772+130.3200/+30.7603+130.3000/+30.7619+130.2800/+30.7800+130.2619/+30.7801+130.2600/+30.7806+130.2400/+30.8000+130.2202/+30.8001+130.2200/+30.8007+130.2000/+30.8066+130.1800/+30.8200+130.1659/+30.8207+130.1600/+30.8236+130.1400/+30.8400+130.1215/+30.8404+130.1200/+30.8429+130.1000/+30.8560+130.0800/+30.8600+130.0754/+30.8632+130.0600/+30.8729+130.0400/+30.8800+130.0298/+30.8824+130.0200/+30.8805+130.0000/+30.8993+129.9800/+30.9000+129.9791/+30.9044+129.9600/+30.9123+129.9400/+30.9200+129.9280/+30.9246+129.9200/+30.9308+129.9000/+30.9400+129.8828/+30.9421+129.8800/+30.9562+129.8600/+30.9600+129.8568/+30.9731+129.8400/+30.9800+129.8208/+30.9804+129.8200/+30.9951+129.8000/+31.0000+129.7928/+31.0200+129.7854/+31.0279+129.7800/+31.0400+129.7641/+31.0553+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8119+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7906+130.2800/+30.8000+130.2684/+30.8119+130.2800/ 北西 3 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 +31.0490+129.8000/+31.0408+129.8200/+31.0400+129.8229/+31.0368+129.8400/+31.0329+129.8600/+31.0250+129.8800/+31.0200+129.8934/+31.0171+129.9000/+31.0053+129.9200/+31.0000+129.9264/+30.9953+129.9400/+30.9858+129.9600/+30.9800+129.9729/+30.9775+129.9800/+30.9633+130.0000/+30.9600+130.0032/+30.9557+130.0200/+30.9494+130.0400/+30.9400+130.0494/+30.9310+130.0600/+30.9200+130.0752/+30.9191+130.0800/+30.9131+130.1000/+30.9000+130.1158/+30.8993+130.1200/+30.8958+130.1400/+30.8800+130.1586/+30.8798+130.1600/+30.8786+130.1800/+30.8692+130.2000/+30.8600+130.2093/+30.8596+130.2200/+30.8582+130.2400/+30.8400+130.2584/+30.8399+130.2600/+30.8398+130.2800/+30.8342+130.3000/+30.8200+130.3142/+30.8145+130.3200/+30.8000+130.3345/+30.7800+130.3257/+30.7742+130.3200/+30.7603+130.3000/+30.7612+130.2800/+30.7800+130.2611/+30.7801+130.2600/+30.7804+130.2400/+30.7875+130.2200/+30.8000+130.2074/+30.8004+130.2000/+30.8021+130.1800/+30.8200+130.1600/+30.8212+130.1400/+30.8260+130.1200/+30.8400+130.1033/+30.8407+130.1000/+30.8437+130.0800/+30.8547+130.0600/+30.8600+130.0531/+30.8626+130.0400/+30.8688+130.0200/+30.8681+130.0000/+30.8800+129.9821/+30.8815+129.9800/+30.8937+129.9600/+30.9000+129.9534/+30.9052+129.9400/+30.9131+129.9200/+30.9200+129.9062/+30.9242+129.9000/+30.9374+129.8800/+30.9400+129.8744/+30.9499+129.8600/+30.9600+129.8515/+30.9724+129.8400/+30.9800+129.8221/+30.9813+129.8200/+30.9944+129.8000/+31.0000+129.7925/+31.0200+129.7908/+31.0400+129.7869/+31.0490+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7920+130.2800/+30.8000+130.2703/+30.8092+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 +30.9804+129.8400/+30.9818+129.8600/+30.9826+129.8800/+30.9800+129.8901/+30.9772+129.9000/+30.9705+129.9200/+30.9600+129.9347/+30.9585+129.9400/+30.9551+129.9600/+30.9522+129.9800/+30.9472+130.0000/+30.9400+130.0198/+30.9399+130.0200/+30.9317+130.0400/+30.9200+130.0508/+30.9172+130.0600/+30.9117+130.0800/+30.9000+130.0958/+30.8991+130.1000/+30.8964+130.1200/+30.8850+130.1400/+30.8800+130.1454/+30.8787+130.1600/+30.8758+130.1800/+30.8600+130.1972/+30.8598+130.2000/+30.8592+130.2200/+30.8547+130.2400/+30.8400+130.2548/+30.8399+130.2600/+30.8398+130.2800/+30.8284+130.3000/+30.8200+130.3084/+30.8140+130.3200/+30.8000+130.3340/+30.7800+130.3251/+30.7749+130.3200/+30.7602+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7802+130.2400/+30.7815+130.2200/+30.7965+130.2000/+30.8000+130.1963/+30.8006+130.1800/+30.8022+130.1600/+30.8071+130.1400/+30.8200+130.1240/+30.8206+130.1200/+30.8222+130.1000/+30.8265+130.0800/+30.8364+130.0600/+30.8400+130.0552/+30.8428+130.0400/+30.8468+130.0200/+30.8480+130.0000/+30.8542+129.9800/+30.8600+129.9655/+30.8621+129.9600/+30.8706+129.9400/+30.8800+129.9245/+30.8825+129.9200/+30.8892+129.9000/+30.8970+129.8800/+30.9000+129.8727/+30.9070+129.8600/+30.9200+129.8459/+30.9303+129.8400/+30.9400+129.8239/+30.9421+129.8200/+30.9600+129.8026/+30.9769+129.8200/+30.9800+129.8370/+30.9804+129.8400/ 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/+30.7812+130.3000/+30.7939+130.2800/+30.8000+130.2723/+30.8061+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 +30.9656+129.7600/+30.9705+129.7800/+30.9732+129.8000/+30.9731+129.8200/+30.9700+129.8400/+30.9602+129.8600/+30.9600+129.8602/+30.9549+129.8800/+30.9514+129.9000/+30.9486+129.9200/+30.9400+129.9353/+30.9377+129.9400/+30.9336+129.9600/+30.9291+129.9800/+30.9243+130.0000/+30.9200+130.0114/+30.9147+130.0200/+30.9000+130.0294/+30.8982+130.0400/+30.8948+130.0600/+30.8876+130.0800/+30.8800+130.0896/+30.8791+130.1000/+30.8776+130.1200/+30.8727+130.1400/+30.8600+130.1546/+30.8597+130.1600/+30.8593+130.1800/+30.8579+130.2000/+30.8415+130.2200/+30.8400+130.2215/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8122+130.3200/+30.8000+130.3322/+30.7800+130.3216/+30.7784+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7818+130.2000/+30.7940+130.1800/+30.8000+130.1735/+30.8005+130.1600/+30.8013+130.1400/+30.8038+130.1200/+30.8121+130.1000/+30.8200+130.0886/+30.8207+130.0800/+30.8224+130.0600/+30.8260+130.0400/+30.8359+130.0200/+30.8400+130.0132/+30.8418+130.0000/+30.8429+129.9800/+30.8461+129.9600/+30.8517+129.9400/+30.8600+129.9232/+30.8616+129.9200/+30.8670+129.9000/+30.8723+129.8800/+30.8800+129.8683/+30.8836+129.8600/+30.8923+129.8400/+30.8990+129.8200/+30.9000+129.8175/+30.9193+129.8000/+30.9200+129.7990/+30.9293+129.7800/+30.9390+129.7600/+30.9400+129.7580/+30.9600+129.7495/+30.9656+129.7600/ 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+130.2676/+30.8102+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 +31.0024+129.7200/+31.0067+129.7400/+31.0059+129.7600/+31.0008+129.7800/+31.0000+129.7831/+30.9949+129.8000/+30.9881+129.8200/+30.9855+129.8400/+30.9833+129.8600/+30.9811+129.8800/+30.9800+129.8837/+30.9734+129.9000/+30.9600+129.9178/+30.9593+129.9200/+30.9534+129.9400/+30.9486+129.9600/+30.9400+129.9775/+30.9392+129.9800/+30.9359+130.0000/+30.9323+130.0200/+30.9200+130.0313/+30.9130+130.0400/+30.9000+130.0585/+30.8997+130.0600/+30.8976+130.0800/+30.8928+130.1000/+30.8800+130.1161/+30.8796+130.1200/+30.8783+130.1400/+30.8732+130.1600/+30.8600+130.1743/+30.8597+130.1800/+30.8593+130.2000/+30.8567+130.2200/+30.8400+130.2370/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8108+130.3200/+30.8000+130.3308/+30.7816+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2605/+30.7800+130.2600/+30.7801+130.2400/+30.7807+130.2200/+30.7867+130.2000/+30.8000+130.1857/+30.8003+130.1800/+30.8011+130.1600/+30.8039+130.1400/+30.8200+130.1212/+30.8202+130.1200/+30.8215+130.1000/+30.8241+130.0800/+30.8316+130.0600/+30.8400+130.0478/+30.8412+130.0400/+30.8440+130.0200/+30.8450+130.0000/+30.8492+129.9800/+30.8575+129.9600/+30.8600+129.9554/+30.8661+129.9400/+30.8731+129.9200/+30.8800+129.9044/+30.8816+129.9000/+30.8887+129.8800/+30.8941+129.8600/+30.9000+129.8475/+30.9054+129.8400/+30.9167+129.8200/+30.9200+129.8133/+30.9256+129.8000/+30.9340+129.7800/+30.9400+129.7697/+30.9536+129.7600/+30.9600+129.7540/+30.9800+129.7430/+30.9823+129.7400/+30.9963+129.7200/+31.0000+129.7122/+31.0024+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7900+130.2800/+30.8000+130.2679/+30.8100+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 +30.9717+129.7600/+30.9758+129.7800/+30.9775+129.8000/+30.9785+129.8200/+30.9785+129.8400/+30.9750+129.8600/+30.9709+129.8800/+30.9600+129.8993/+30.9598+129.9000/+30.9546+129.9200/+30.9483+129.9400/+30.9414+129.9600/+30.9400+129.9631/+30.9360+129.9800/+30.9323+130.0000/+30.9282+130.0200/+30.9200+130.0279/+30.9098+130.0400/+30.9000+130.0536/+30.8990+130.0600/+30.8965+130.0800/+30.8880+130.1000/+30.8800+130.1097/+30.8791+130.1200/+30.8774+130.1400/+30.8697+130.1600/+30.8600+130.1706/+30.8596+130.1800/+30.8590+130.2000/+30.8551+130.2200/+30.8400+130.2354/+30.8399+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8125+130.3200/+30.8000+130.3325/+30.7800+130.3217/+30.7783+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7801+130.2400/+30.7806+130.2200/+30.7841+130.2000/+30.8000+130.1824/+30.8002+130.1800/+30.8008+130.1600/+30.8026+130.1400/+30.8103+130.1200/+30.8200+130.1066/+30.8207+130.1000/+30.8232+130.0800/+30.8281+130.0600/+30.8400+130.0404/+30.8401+130.0400/+30.8421+130.0200/+30.8441+130.0000/+30.8469+129.9800/+30.8514+129.9600/+30.8600+129.9407/+30.8603+129.9400/+30.8692+129.9200/+30.8752+129.9000/+30.8800+129.8895/+30.8833+129.8800/+30.8889+129.8600/+30.8968+129.8400/+30.9000+129.8300/+30.9041+129.8200/+30.9200+129.8016/+30.9220+129.8000/+30.9300+129.7800/+30.9392+129.7600/+30.9400+129.7584/+30.9600+129.7470/+30.9717+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2685/+30.8092+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６時から１１日２４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０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１２時から１５時まで　西　　　　　　　５０ｋｍ　　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　　　　　　　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。