2026-09-01T17:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T02:00:00+09:00 2026-09-02T03:00:00+09:00 2026-09-02T21:00:00+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、２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 2026-09-02T03:00:00+09:00 2026-09-02T06:00:00+09:00 降灰 70 +30.9846+129.7400/+30.9841+129.7600/+30.9817+129.7800/+30.9803+129.8000/+30.9800+129.8054/+30.9795+129.8200/+30.9782+129.8400/+30.9738+129.8600/+30.9682+129.8800/+30.9609+129.9000/+30.9600+129.9020/+30.9568+129.9200/+30.9503+129.9400/+30.9450+129.9600/+30.9400+129.9793/+30.9399+129.9800/+30.9380+130.0000/+30.9346+130.0200/+30.9233+130.0400/+30.9200+130.0444/+30.9149+130.0600/+30.9080+130.0800/+30.9000+130.0936/+30.8988+130.1000/+30.8931+130.1200/+30.8801+130.1400/+30.8800+130.1401/+30.8766+130.1600/+30.8690+130.1800/+30.8600+130.1906/+30.8595+130.2000/+30.8578+130.2200/+30.8400+130.2397/+30.8400+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8073+130.3200/+30.8000+130.3273/+30.7871+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7605+130.2800/+30.7695+130.2600/+30.7800+130.2489/+30.7801+130.2400/+30.7804+130.2200/+30.7820+130.2000/+30.7884+130.1800/+30.8000+130.1649/+30.8003+130.1600/+30.8014+130.1400/+30.8037+130.1200/+30.8098+130.1000/+30.8200+130.0840/+30.8204+130.0800/+30.8221+130.0600/+30.8250+130.0400/+30.8296+130.0200/+30.8400+130.0040/+30.8410+130.0000/+30.8410+129.9800/+30.8434+129.9600/+30.8474+129.9400/+30.8568+129.9200/+30.8600+129.9095/+30.8628+129.9000/+30.8650+129.8800/+30.8744+129.8600/+30.8800+129.8525/+30.8856+129.8400/+30.8923+129.8200/+30.9000+129.8033/+30.9036+129.8000/+30.9149+129.7800/+30.9200+129.7689/+30.9237+129.7600/+30.9309+129.7400/+30.9393+129.7200/+30.9400+129.7184/+30.9600+129.7023/+30.9799+129.7200/+30.9800+129.7203/+30.9846+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8146+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7854+130.2800/+30.8000+130.2622/+30.8146+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +30.9453+129.7200/+30.9547+129.7400/+30.9555+129.7600/+30.9519+129.7800/+30.9493+129.8000/+30.9465+129.8200/+30.9448+129.8400/+30.9440+129.8600/+30.9433+129.8800/+30.9408+129.9000/+30.9400+129.9054/+30.9379+129.9200/+30.9287+129.9400/+30.9243+129.9600/+30.9200+129.9729/+30.9184+129.9800/+30.9149+130.0000/+30.9000+130.0183/+30.8997+130.0200/+30.8965+130.0400/+30.8920+130.0600/+30.8867+130.0800/+30.8800+130.0946/+30.8796+130.1000/+30.8785+130.1200/+30.8748+130.1400/+30.8691+130.1600/+30.8600+130.1742/+30.8597+130.1800/+30.8586+130.2000/+30.8560+130.2200/+30.8400+130.2384/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2995/+30.8200+130.3000/+30.8105+130.3200/+30.8000+130.3305/+30.7815+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7616+130.2600/+30.7722+130.2400/+30.7800+130.2301/+30.7802+130.2200/+30.7807+130.2000/+30.7820+130.1800/+30.7851+130.1600/+30.7911+130.1400/+30.8000+130.1259/+30.8006+130.1200/+30.8023+130.1000/+30.8051+130.0800/+30.8105+130.0600/+30.8200+130.0427/+30.8204+130.0400/+30.8230+130.0200/+30.8274+130.0000/+30.8270+129.9800/+30.8381+129.9600/+30.8400+129.9573/+30.8432+129.9400/+30.8467+129.9200/+30.8511+129.9000/+30.8549+129.8800/+30.8595+129.8600/+30.8600+129.8580/+30.8664+129.8400/+30.8728+129.8200/+30.8800+129.8050/+30.8824+129.8000/+30.8822+129.7800/+30.8885+129.7600/+30.8965+129.7400/+30.9000+129.7326/+30.9200+129.7257/+30.9305+129.7200/+30.9400+129.7124/+30.9453+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8130+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7870+130.2800/+30.8000+130.2643/+30.8130+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +30.9241+129.7400/+30.9259+129.7600/+30.9263+129.7800/+30.9267+129.8000/+30.9234+129.8200/+30.9226+129.8400/+30.9200+129.8478/+30.9180+129.8600/+30.9156+129.8800/+30.9138+129.9000/+30.9092+129.9200/+30.9030+129.9400/+30.9000+129.9471/+30.8987+129.9600/+30.8970+129.9800/+30.8956+130.0000/+30.8804+130.0200/+30.8800+130.0211/+30.8790+130.0400/+30.8767+130.0600/+30.8755+130.0800/+30.8706+130.1000/+30.8600+130.1156/+30.8597+130.1200/+30.8591+130.1400/+30.8583+130.1600/+30.8564+130.1800/+30.8468+130.2000/+30.8400+130.2075/+30.8398+130.2200/+30.8397+130.2400/+30.8396+130.2600/+30.8375+130.2800/+30.8200+130.2975/+30.8199+130.3000/+30.8085+130.3200/+30.8000+130.3284/+30.7845+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7609+130.2600/+30.7657+130.2400/+30.7800+130.2225/+30.7801+130.2200/+30.7804+130.2000/+30.7808+130.1800/+30.7820+130.1600/+30.7843+130.1400/+30.7886+130.1200/+30.8000+130.1020/+30.8002+130.1000/+30.8012+130.0800/+30.8027+130.0600/+30.8047+130.0400/+30.8073+130.0200/+30.8149+130.0000/+30.8073+129.9800/+30.8110+129.9600/+30.8172+129.9400/+30.8200+129.9326/+30.8236+129.9200/+30.8280+129.9000/+30.8287+129.8800/+30.8366+129.8600/+30.8400+129.8538/+30.8441+129.8400/+30.8474+129.8200/+30.8516+129.8000/+30.8580+129.7800/+30.8600+129.7745/+30.8649+129.7600/+30.8718+129.7400/+30.8799+129.7200/+30.8800+129.7198/+30.8894+129.7000/+30.8990+129.6800/+30.9000+129.6782/+30.9014+129.6800/+30.9129+129.7000/+30.9199+129.7200/+30.9200+129.7205/+30.9241+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7869+130.2800/+30.8000+130.2641/+30.8131+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +30.9012+129.6000/+30.9051+129.6200/+30.9085+129.6400/+30.9103+129.6600/+30.9110+129.6800/+30.9116+129.7000/+30.9108+129.7200/+30.9101+129.7400/+30.9092+129.7600/+30.9080+129.7800/+30.9098+129.8000/+30.9038+129.8200/+30.9019+129.8400/+30.9007+129.8600/+30.9000+129.8718/+30.8995+129.8800/+30.8985+129.9000/+30.8903+129.9200/+30.8882+129.9400/+30.8853+129.9600/+30.8810+129.9800/+30.8800+129.9836/+30.8787+130.0000/+30.8677+130.0200/+30.8600+130.0369/+30.8598+130.0400/+30.8589+130.0600/+30.8582+130.0800/+30.8575+130.1000/+30.8556+130.1200/+30.8513+130.1400/+30.8400+130.1547/+30.8398+130.1600/+30.8396+130.1800/+30.8396+130.2000/+30.8396+130.2200/+30.8394+130.2400/+30.8378+130.2600/+30.8200+130.2787/+30.8200+130.2800/+30.8199+130.3000/+30.8012+130.3200/+30.8000+130.3212/+30.7977+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7604+130.2600/+30.7626+130.2400/+30.7722+130.2200/+30.7800+130.2089/+30.7801+130.2000/+30.7803+130.1800/+30.7806+130.1600/+30.7812+130.1400/+30.7822+130.1200/+30.7833+130.1000/+30.7858+130.0800/+30.7897+130.0600/+30.7928+130.0400/+30.7973+130.0200/+30.8000+130.0141/+30.8011+130.0000/+30.8000+129.9934/+30.7913+129.9800/+30.7944+129.9600/+30.7996+129.9400/+30.8000+129.9389/+30.8033+129.9200/+30.8063+129.9000/+30.8088+129.8800/+30.8111+129.8600/+30.8142+129.8400/+30.8162+129.8200/+30.8189+129.8000/+30.8200+129.7915/+30.8218+129.7800/+30.8263+129.7600/+30.8311+129.7400/+30.8361+129.7200/+30.8400+129.7072/+30.8446+129.7000/+30.8525+129.6800/+30.8600+129.6611/+30.8610+129.6600/+30.8762+129.6400/+30.8800+129.6345/+30.8886+129.6200/+30.8979+129.6000/+30.9000+129.5966/+30.9012+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2625/+30.8136+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +30.8456+129.6400/+30.8524+129.6600/+30.8564+129.6800/+30.8592+129.7000/+30.8573+129.7200/+30.8558+129.7400/+30.8567+129.7600/+30.8594+129.7800/+30.8593+129.8000/+30.8586+129.8200/+30.8580+129.8400/+30.8568+129.8600/+30.8556+129.8800/+30.8529+129.9000/+30.8538+129.9200/+30.8547+129.9400/+30.8547+129.9600/+30.8540+129.9800/+30.8484+130.0000/+30.8400+130.0124/+30.8393+130.0200/+30.8388+130.0400/+30.8379+130.0600/+30.8376+130.0800/+30.8371+130.1000/+30.8374+130.1200/+30.8366+130.1400/+30.8365+130.1600/+30.8361+130.1800/+30.8351+130.2000/+30.8317+130.2200/+30.8200+130.2372/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7604+130.2000/+30.7605+130.1800/+30.7606+130.1600/+30.7608+130.1400/+30.7609+130.1200/+30.7610+130.1000/+30.7610+130.0800/+30.7611+130.0600/+30.7608+130.0400/+30.7612+130.0200/+30.7605+130.0000/+30.7600+129.9979/+30.7470+129.9800/+30.7477+129.9600/+30.7485+129.9400/+30.7493+129.9200/+30.7513+129.9000/+30.7485+129.8800/+30.7511+129.8600/+30.7541+129.8400/+30.7574+129.8200/+30.7600+129.8064/+30.7609+129.8000/+30.7654+129.7800/+30.7698+129.7600/+30.7737+129.7400/+30.7766+129.7200/+30.7799+129.7000/+30.7800+129.6996/+30.7858+129.6800/+30.7935+129.6600/+30.8000+129.6402/+30.8010+129.6400/+30.8200+129.6335/+30.8400+129.6276/+30.8456+129.6400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8155+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2808/+30.7792+130.2800/+30.7800+130.2771/+30.8000+130.2608/+30.8155+130.2800/ 西 3 鹿児島県三島村 4630300 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+09:00 降灰 70 +30.8059+129.7800/+30.8035+129.8000/+30.8085+129.8200/+30.8122+129.8400/+30.8139+129.8600/+30.8154+129.8800/+30.8117+129.9000/+30.8139+129.9200/+30.8150+129.9400/+30.8166+129.9600/+30.8183+129.9800/+30.8118+130.0000/+30.8135+130.0200/+30.8139+130.0400/+30.8150+130.0600/+30.8159+130.0800/+30.8168+130.1000/+30.8174+130.1200/+30.8183+130.1400/+30.8188+130.1600/+30.8191+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8087+130.3200/+30.8000+130.3287/+30.7812+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2289/+30.7517+130.2200/+30.7435+130.2000/+30.7422+130.1800/+30.7416+130.1600/+30.7413+130.1400/+30.7412+130.1200/+30.7409+130.1000/+30.7403+130.0800/+30.7400+130.0735/+30.7342+130.0600/+30.7301+130.0400/+30.7304+130.0200/+30.7273+130.0000/+30.7236+129.9800/+30.7234+129.9600/+30.7236+129.9400/+30.7242+129.9200/+30.7242+129.9000/+30.7219+129.8800/+30.7214+129.8600/+30.7208+129.8400/+30.7205+129.8200/+30.7202+129.8000/+30.7200+129.7992/+30.7136+129.7800/+30.7143+129.7600/+30.7153+129.7400/+30.7165+129.7200/+30.7180+129.7000/+30.7188+129.6800/+30.7197+129.6600/+30.7200+129.6400/+30.7194+129.6200/+30.7187+129.6000/+30.7200+129.5917/+30.7221+129.5800/+30.7268+129.5600/+30.7323+129.5400/+30.7390+129.5200/+30.7400+129.5175/+30.7451+129.5200/+30.7600+129.5267/+30.7637+129.5400/+30.7692+129.5600/+30.7744+129.5800/+30.7787+129.6000/+30.7798+129.6200/+30.7800+129.6235/+30.7809+129.6400/+30.7832+129.6600/+30.7862+129.6800/+30.7890+129.7000/+30.7925+129.7200/+30.7956+129.7400/+30.7994+129.7600/+30.8000+129.7626/+30.8059+129.7800/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8159+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3094/+30.7706+130.3000/+30.7666+130.2800/+30.7800+130.2620/+30.8000+130.2601/+30.8159+130.2800/ 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、２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。 　２日３時から２日２１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 　０２日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　西　　　　　　　８０ｋｍ　　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。