2026-08-09T17:00:00Z 通常 気象庁本庁 気象庁 2026-08-10T02:00:00+09:00 2026-08-10T03:00:00+09:00 2026-08-10T21:00:00+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 2026-08-10T03:00:00+09:00 2026-08-10T06:00:00+09:00 降灰 70 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西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8153+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7847+130.2800/+30.8000+130.2610/+30.8153+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T06:00:00+09:00 2026-08-10T09:00:00+09:00 降灰 70 +30.9721+129.5800/+30.9760+129.6000/+30.9764+129.6200/+30.9767+129.6400/+30.9755+129.6600/+30.9730+129.6800/+30.9707+129.7000/+30.9673+129.7200/+30.9633+129.7400/+30.9600+129.7515/+30.9573+129.7600/+30.9513+129.7800/+30.9469+129.8000/+30.9453+129.8200/+30.9421+129.8400/+30.9400+129.8503/+30.9377+129.8600/+30.9308+129.8800/+30.9200+129.8978/+30.9196+129.9000/+30.9185+129.9200/+30.9117+129.9400/+30.9000+129.9578/+30.8997+129.9600/+30.8981+129.9800/+30.8970+130.0000/+30.8800+130.0194/+30.8798+130.0200/+30.8785+130.0400/+30.8773+130.0600/+30.8746+130.0800/+30.8617+130.1000/+30.8600+130.1020/+30.8594+130.1200/+30.8590+130.1400/+30.8581+130.1600/+30.8534+130.1800/+30.8400+130.1948/+30.8399+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8395+130.2600/+30.8321+130.2800/+30.8200+130.2923/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7603+130.3000/+30.7603+130.2800/+30.7625+130.2600/+30.7800+130.2425/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7808+130.1800/+30.7828+130.1600/+30.7931+130.1400/+30.8000+130.1320/+30.8005+130.1200/+30.8010+130.1000/+30.8020+130.0800/+30.8044+130.0600/+30.8106+130.0400/+30.8200+130.0258/+30.8205+130.0200/+30.8219+130.0000/+30.8200+129.9916/+30.8089+129.9800/+30.8141+129.9600/+30.8200+129.9458/+30.8221+129.9400/+30.8326+129.9200/+30.8400+129.9080/+30.8412+129.9000/+30.8424+129.8800/+30.8451+129.8600/+30.8486+129.8400/+30.8515+129.8200/+30.8559+129.8000/+30.8600+129.7886/+30.8637+129.7800/+30.8686+129.7600/+30.8738+129.7400/+30.8796+129.7200/+30.8800+129.7188/+30.8882+129.7000/+30.8992+129.6800/+30.9000+129.6789/+30.9138+129.6600/+30.9200+129.6441/+30.9214+129.6400/+30.9276+129.6200/+30.9339+129.6000/+30.9400+129.5811/+30.9414+129.5800/+30.9600+129.5621/+30.9721+129.5800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8158+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2610/+30.8158+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T09:00:00+09:00 2026-08-10T12:00:00+09:00 降灰 70 +31.0206+129.6000/+31.0200+129.6047/+31.0180+129.6200/+31.0157+129.6400/+31.0116+129.6600/+31.0046+129.6800/+31.0000+129.6904/+30.9956+129.7000/+30.9896+129.7200/+30.9863+129.7400/+30.9840+129.7600/+30.9818+129.7800/+30.9800+129.7965/+30.9796+129.8000/+30.9706+129.8200/+30.9600+129.8280/+30.9574+129.8400/+30.9547+129.8600/+30.9522+129.8800/+30.9498+129.9000/+30.9464+129.9200/+30.9400+129.9276/+30.9330+129.9400/+30.9298+129.9600/+30.9253+129.9800/+30.9200+129.9938/+30.9181+130.0000/+30.9000+130.0131/+30.8983+130.0200/+30.8956+130.0400/+30.8868+130.0600/+30.8800+130.0684/+30.8792+130.0800/+30.8784+130.1000/+30.8757+130.1200/+30.8601+130.1400/+30.8600+130.1402/+30.8595+130.1600/+30.8591+130.1800/+30.8567+130.2000/+30.8400+130.2178/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8387+130.2800/+30.8200+130.2987/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7604+130.3000/+30.7605+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7801+130.2400/+30.7802+130.2200/+30.7810+130.2000/+30.7892+130.1800/+30.8000+130.1688/+30.8003+130.1600/+30.8007+130.1400/+30.8022+130.1200/+30.8090+130.1000/+30.8200+130.0857/+30.8204+130.0800/+30.8215+130.0600/+30.8236+130.0400/+30.8295+130.0200/+30.8400+130.0049/+30.8408+130.0000/+30.8409+129.9800/+30.8428+129.9600/+30.8457+129.9400/+30.8499+129.9200/+30.8575+129.9000/+30.8559+129.8800/+30.8600+129.8667/+30.8630+129.8600/+30.8800+129.8405/+30.8802+129.8400/+30.8845+129.8200/+30.8894+129.8000/+30.8894+129.7800/+30.9000+129.7677/+30.9052+129.7600/+30.9129+129.7400/+30.9182+129.7200/+30.9200+129.7136/+30.9239+129.7000/+30.9299+129.6800/+30.9383+129.6600/+30.9400+129.6563/+30.9531+129.6400/+30.9600+129.6290/+30.9660+129.6200/+30.9738+129.6000/+30.9800+129.5868/+30.9833+129.5800/+30.9931+129.5600/+31.0000+129.5470/+31.0094+129.5600/+31.0167+129.5800/+31.0200+129.5961/+31.0206+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8150+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2611/+30.8150+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T12:00:00+09:00 2026-08-10T15:00:00+09:00 降灰 70 +31.0030+129.5800/+31.0083+129.6000/+31.0055+129.6200/+31.0032+129.6400/+31.0000+129.6523/+30.9939+129.6600/+30.9859+129.6800/+30.9836+129.7000/+30.9819+129.7200/+30.9808+129.7400/+30.9800+129.7495/+30.9792+129.7600/+30.9770+129.7800/+30.9748+129.8000/+30.9600+129.8165/+30.9580+129.8200/+30.9530+129.8400/+30.9503+129.8600/+30.9474+129.8800/+30.9444+129.9000/+30.9400+129.9200/+30.9290+129.9400/+30.9235+129.9600/+30.9200+129.9690/+30.9168+129.9800/+30.9074+130.0000/+30.9000+130.0056/+30.8962+130.0200/+30.8915+130.0400/+30.8800+130.0578/+30.8797+130.0600/+30.8784+130.0800/+30.8766+130.1000/+30.8713+130.1200/+30.8600+130.1339/+30.8596+130.1400/+30.8592+130.1600/+30.8584+130.1800/+30.8532+130.2000/+30.8400+130.2142/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8377+130.2800/+30.8200+130.2978/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7654+130.2600/+30.7800+130.2453/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7815+130.1800/+30.7855+130.1600/+30.8000+130.1414/+30.8001+130.1400/+30.8008+130.1200/+30.8017+130.1000/+30.8040+130.0800/+30.8085+130.0600/+30.8188+130.0400/+30.8200+130.0383/+30.8217+130.0200/+30.8237+130.0000/+30.8200+129.9814/+30.8187+129.9800/+30.8200+129.9769/+30.8259+129.9600/+30.8400+129.9406/+30.8401+129.9400/+30.8435+129.9200/+30.8463+129.9000/+30.8482+129.8800/+30.8522+129.8600/+30.8595+129.8400/+30.8600+129.8383/+30.8677+129.8200/+30.8800+129.8045/+30.8823+129.8000/+30.8800+129.7851/+30.8787+129.7800/+30.8800+129.7767/+30.8888+129.7600/+30.9000+129.7430/+30.9023+129.7400/+30.9128+129.7200/+30.9200+129.7041/+30.9217+129.7000/+30.9290+129.6800/+30.9376+129.6600/+30.9400+129.6544/+30.9537+129.6400/+30.9600+129.6314/+30.9782+129.6200/+30.9800+129.6169/+30.9850+129.6000/+30.9966+129.5800/+31.0000+129.5725/+31.0030+129.5800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8145+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7855+130.2800/+30.8000+130.2617/+30.8145+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T15:00:00+09:00 2026-08-10T18:00:00+09:00 降灰 70 +30.9243+129.6200/+30.9290+129.6400/+30.9302+129.6600/+30.9306+129.6800/+30.9308+129.7000/+30.9302+129.7200/+30.9298+129.7400/+30.9294+129.7600/+30.9290+129.7800/+30.9286+129.8000/+30.9200+129.8090/+30.9139+129.8200/+30.9119+129.8400/+30.9105+129.8600/+30.9091+129.8800/+30.9086+129.9000/+30.9000+129.9101/+30.8959+129.9200/+30.8948+129.9400/+30.8934+129.9600/+30.8910+129.9800/+30.8867+130.0000/+30.8800+130.0068/+30.8729+130.0200/+30.8672+130.0400/+30.8600+130.0556/+30.8598+130.0600/+30.8590+130.0800/+30.8584+130.1000/+30.8574+130.1200/+30.8549+130.1400/+30.8439+130.1600/+30.8400+130.1646/+30.8398+130.1800/+30.8397+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8384+130.2600/+30.8200+130.2790/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7602+130.3000/+30.7602+130.2800/+30.7607+130.2600/+30.7708+130.2400/+30.7800+130.2304/+30.7801+130.2200/+30.7802+130.2000/+30.7804+130.1800/+30.7808+130.1600/+30.7816+130.1400/+30.7836+130.1200/+30.7897+130.1000/+30.8000+130.0810/+30.8000+130.0800/+30.8007+130.0600/+30.8014+130.0400/+30.8021+130.0200/+30.8042+130.0000/+30.8010+129.9800/+30.8032+129.9600/+30.8063+129.9400/+30.8110+129.9200/+30.8153+129.9000/+30.8149+129.8800/+30.8192+129.8600/+30.8200+129.8573/+30.8269+129.8400/+30.8339+129.8200/+30.8400+129.8081/+30.8418+129.8000/+30.8400+129.7899/+30.8357+129.7800/+30.8400+129.7716/+30.8477+129.7600/+30.8581+129.7400/+30.8600+129.7348/+30.8643+129.7200/+30.8698+129.7000/+30.8749+129.6800/+30.8800+129.6614/+30.8804+129.6600/+30.8862+129.6400/+30.8929+129.6200/+30.9000+129.6035/+30.9200+129.6130/+30.9243+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2626/+30.8138+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T18:00:00+09:00 2026-08-10T21:00:00+09:00 降灰 70 +30.9230+129.6800/+30.9254+129.7000/+30.9276+129.7200/+30.9290+129.7400/+30.9290+129.7600/+30.9279+129.7800/+30.9270+129.8000/+30.9200+129.8107/+30.9157+129.8200/+30.9146+129.8400/+30.9123+129.8600/+30.9104+129.8800/+30.9098+129.9000/+30.9000+129.9132/+30.8975+129.9200/+30.8963+129.9400/+30.8949+129.9600/+30.8930+129.9800/+30.8909+130.0000/+30.8800+130.0114/+30.8766+130.0200/+30.8734+130.0400/+30.8645+130.0600/+30.8600+130.0683/+30.8595+130.0800/+30.8589+130.1000/+30.8584+130.1200/+30.8571+130.1400/+30.8533+130.1600/+30.8400+130.1778/+30.8399+130.1800/+30.8397+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8390+130.2600/+30.8227+130.2800/+30.8200+130.2828/+30.8199+130.3000/+30.8022+130.3200/+30.8000+130.3222/+30.7961+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7608+130.2600/+30.7729+130.2400/+30.7800+130.2325/+30.7801+130.2200/+30.7803+130.2000/+30.7805+130.1800/+30.7811+130.1600/+30.7827+130.1400/+30.7861+130.1200/+30.7926+130.1000/+30.8000+130.0873/+30.8004+130.0800/+30.8012+130.0600/+30.8026+130.0400/+30.8040+130.0200/+30.8084+130.0000/+30.8040+129.9800/+30.8067+129.9600/+30.8101+129.9400/+30.8146+129.9200/+30.8200+129.9030/+30.8207+129.9000/+30.8201+129.8800/+30.8260+129.8600/+30.8369+129.8400/+30.8400+129.8339/+30.8435+129.8200/+30.8485+129.8000/+30.8517+129.7800/+30.8600+129.7618/+30.8607+129.7600/+30.8666+129.7400/+30.8724+129.7200/+30.8789+129.7000/+30.8800+129.6962/+30.8852+129.6800/+30.8928+129.6600/+30.9000+129.6424/+30.9173+129.6600/+30.9200+129.6669/+30.9230+129.6800/ 西 60 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+130.2630/+30.8137+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。 　１０日３時から１０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 　１０日０３時から０６時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日０６時から０９時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日０９時から１２時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１８時から２１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。