2026-08-25T23:00:00Z 通常 気象庁本庁 気象庁 2026-08-26T08:00:00+09:00 2026-08-26T09:00:00+09:00 2026-08-27T03:00:00+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、２６日０９時から１２時までは火口から北西方向、２６日２１時から２４時までは火口から北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 2026-08-26T09:00:00+09:00 2026-08-26T12:00:00+09:00 降灰 70 +31.2494+129.6000/+31.2400+129.6187/+31.2391+129.6200/+31.2344+129.6400/+31.2278+129.6600/+31.2200+129.6766/+31.2186+129.6800/+31.2116+129.7000/+31.2000+129.7189/+31.1990+129.7200/+31.1878+129.7400/+31.1806+129.7600/+31.1800+129.7613/+31.1712+129.7800/+31.1605+129.8000/+31.1600+129.8008/+31.1475+129.8200/+31.1400+129.8314/+31.1364+129.8400/+31.1295+129.8600/+31.1203+129.8800/+31.1200+129.8805/+31.1046+129.9000/+31.1000+129.9051/+31.0918+129.9200/+31.0800+129.9345/+31.0781+129.9400/+31.0703+129.9600/+31.0625+129.9800/+31.0600+129.9838/+31.0400+129.9986/+31.0392+130.0000/+31.0296+130.0200/+31.0200+130.0278/+31.0158+130.0400/+31.0089+130.0600/+31.0000+130.0718/+30.9800+130.0791/+30.9794+130.0800/+30.9707+130.1000/+30.9600+130.1113/+30.9573+130.1200/+30.9400+130.1389/+30.9396+130.1400/+30.9322+130.1600/+30.9200+130.1723/+30.9180+130.1800/+30.9000+130.1988/+30.8997+130.2000/+30.8928+130.2200/+30.8800+130.2329/+30.8787+130.2400/+30.8600+130.2588/+30.8598+130.2600/+30.8533+130.2800/+30.8400+130.2933/+30.8393+130.3000/+30.8200+130.3193/+30.8000+130.3199/+30.7800+130.3147/+30.7653+130.3000/+30.7800+130.2836/+30.7801+130.2800/+30.7805+130.2600/+30.8000+130.2405/+30.8001+130.2400/+30.8018+130.2200/+30.8200+130.2017/+30.8204+130.2000/+30.8266+130.1800/+30.8400+130.1663/+30.8414+130.1600/+30.8529+130.1400/+30.8600+130.1327/+30.8629+130.1200/+30.8800+130.1001/+30.8801+130.1000/+30.8855+130.0800/+30.9000+130.0627/+30.9011+130.0600/+30.9066+130.0400/+30.9080+130.0200/+30.9200+130.0013/+30.9209+130.0000/+30.9332+129.9800/+30.9400+129.9685/+30.9451+129.9600/+30.9600+129.9445/+30.9623+129.9400/+30.9684+129.9200/+30.9757+129.9000/+30.9800+129.8932/+30.9957+129.8800/+31.0000+129.8751/+31.0066+129.8600/+31.0165+129.8400/+31.0200+129.8300/+31.0258+129.8200/+31.0400+129.8040/+31.0444+129.8000/+31.0584+129.7800/+31.0600+129.7781/+31.0730+129.7600/+31.0800+129.7492/+31.0870+129.7400/+31.1000+129.7246/+31.1052+129.7200/+31.1200+129.7030/+31.1221+129.7000/+31.1328+129.6800/+31.1400+129.6681/+31.1473+129.6600/+31.1600+129.6451/+31.1647+129.6400/+31.1800+129.6254/+31.1853+129.6200/+31.2000+129.6040/+31.2174+129.6000/+31.2200+129.5991/+31.2400+129.5868/+31.2494+129.6000/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8325+130.2600/+30.8343+130.2800/+30.8200+130.2943/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7835+130.2800/+30.8000+130.2635/+30.8141+130.2600/+30.8200+130.2501/+30.8325+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-26T12:00:00+09:00 2026-08-26T15:00:00+09:00 降灰 70 +31.2622+129.6800/+31.2642+129.7000/+31.2600+129.7068/+31.2448+129.7200/+31.2400+129.7260/+31.2324+129.7400/+31.2264+129.7600/+31.2200+129.7793/+31.2198+129.7800/+31.2143+129.8000/+31.2000+129.8178/+31.1982+129.8200/+31.1866+129.8400/+31.1800+129.8564/+31.1786+129.8600/+31.1655+129.8800/+31.1600+129.8857/+31.1496+129.9000/+31.1400+129.9170/+31.1388+129.9200/+31.1289+129.9400/+31.1200+129.9460/+31.1090+129.9600/+31.1000+129.9794/+31.0995+129.9800/+31.0800+129.9938/+31.0769+130.0000/+31.0717+130.0200/+31.0600+130.0308/+31.0511+130.0400/+31.0400+130.0578/+31.0384+130.0600/+31.0200+130.0758/+31.0183+130.0800/+31.0071+130.1000/+31.0000+130.1071/+30.9800+130.1159/+30.9778+130.1200/+30.9600+130.1388/+30.9594+130.1400/+30.9478+130.1600/+30.9400+130.1679/+30.9358+130.1800/+30.9200+130.1958/+30.9183+130.2000/+30.9000+130.2185/+30.8994+130.2200/+30.8800+130.2398/+30.8799+130.2400/+30.8738+130.2600/+30.8600+130.2738/+30.8589+130.2800/+30.8400+130.2989/+30.8397+130.3000/+30.8200+130.3197/+30.8000+130.3199/+30.7800+130.3151/+30.7651+130.3000/+30.7800+130.2846/+30.7801+130.2800/+30.7821+130.2600/+30.8000+130.2421/+30.8005+130.2400/+30.8200+130.2204/+30.8203+130.2200/+30.8283+130.2000/+30.8400+130.1883/+30.8424+130.1800/+30.8600+130.1621/+30.8610+130.1600/+30.8736+130.1400/+30.8800+130.1335/+30.8848+130.1200/+30.9000+130.1039/+30.9020+130.1000/+30.9151+130.0800/+30.9200+130.0748/+30.9267+130.0600/+30.9298+130.0400/+30.9400+130.0216/+30.9412+130.0200/+30.9600+130.0033/+30.9623+130.0000/+30.9762+129.9800/+30.9800+129.9735/+30.9893+129.9600/+31.0000+129.9435/+31.0016+129.9400/+31.0149+129.9200/+31.0200+129.9091/+31.0266+129.9000/+31.0400+129.8896/+31.0479+129.8800/+31.0582+129.8600/+31.0600+129.8579/+31.0720+129.8400/+31.0800+129.8283/+31.0880+129.8200/+31.1000+129.8112/+31.1116+129.8000/+31.1200+129.7853/+31.1237+129.7800/+31.1400+129.7618/+31.1429+129.7600/+31.1600+129.7454/+31.1660+129.7400/+31.1800+129.7248/+31.1843+129.7200/+31.2000+129.7016/+31.2034+129.7000/+31.2200+129.6904/+31.2322+129.6800/+31.2400+129.6710/+31.2600+129.6695/+31.2622+129.6800/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8383+130.2800/+30.8332+130.3000/+30.8200+130.3132/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2641/+30.8200+130.2604/+30.8383+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-08-26T15:00:00+09:00 2026-08-26T18:00:00+09:00 降灰 70 +31.2071+129.6800/+31.2187+129.7000/+31.2112+129.7200/+31.2059+129.7400/+31.2000+129.7516/+31.1928+129.7600/+31.1810+129.7800/+31.1800+129.7833/+31.1766+129.8000/+31.1670+129.8200/+31.1600+129.8318/+31.1546+129.8400/+31.1428+129.8600/+31.1400+129.8640/+31.1320+129.8800/+31.1228+129.9000/+31.1200+129.9054/+31.1098+129.9200/+31.1000+129.9339/+31.0974+129.9400/+31.0800+129.9572/+31.0788+129.9600/+31.0726+129.9800/+31.0628+130.0000/+31.0600+130.0060/+31.0485+130.0200/+31.0400+130.0260/+31.0246+130.0400/+31.0200+130.0449/+31.0156+130.0600/+31.0054+130.0800/+31.0000+130.0861/+30.9800+130.0958/+30.9780+130.1000/+30.9601+130.1200/+30.9600+130.1201/+30.9536+130.1400/+30.9400+130.1542/+30.9376+130.1600/+30.9200+130.1785/+30.9194+130.1800/+30.9100+130.2000/+30.9000+130.2098/+30.8973+130.2200/+30.8800+130.2375/+30.8793+130.2400/+30.8600+130.2596/+30.8599+130.2600/+30.8566+130.2800/+30.8400+130.2966/+30.8396+130.3000/+30.8200+130.3196/+30.8000+130.3200/+30.7800+130.3174/+30.7628+130.3000/+30.7800+130.2815/+30.7800+130.2800/+30.7805+130.2600/+30.8000+130.2403/+30.8001+130.2400/+30.8018+130.2200/+30.8200+130.2015/+30.8205+130.2000/+30.8248+130.1800/+30.8400+130.1640/+30.8412+130.1600/+30.8494+130.1400/+30.8600+130.1284/+30.8628+130.1200/+30.8761+130.1000/+30.8800+130.0956/+30.8849+130.0800/+30.9000+130.0620/+30.9013+130.0600/+30.9071+130.0400/+30.9130+130.0200/+30.9200+130.0082/+30.9253+130.0000/+30.9400+129.9812/+30.9410+129.9800/+30.9541+129.9600/+30.9600+129.9533/+30.9671+129.9400/+30.9800+129.9201/+30.9801+129.9200/+30.9958+129.9000/+31.0000+129.8967/+31.0160+129.8800/+31.0200+129.8725/+31.0273+129.8600/+31.0400+129.8425/+31.0427+129.8400/+31.0600+129.8201/+31.0601+129.8200/+31.0755+129.8000/+31.0800+129.7929/+31.0906+129.7800/+31.1000+129.7715/+31.1176+129.7600/+31.1200+129.7575/+31.1349+129.7400/+31.1400+129.7336/+31.1589+129.7200/+31.1600+129.7190/+31.1781+129.7000/+31.1800+129.6980/+31.1964+129.6800/+31.2000+129.6757/+31.2071+129.6800/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8365+130.2800/+30.8324+130.3000/+30.8200+130.3124/+30.8000+130.3188/+30.7812+130.3000/+30.7858+130.2800/+30.8000+130.2644/+30.8200+130.2619/+30.8365+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-08-26T18:00:00+09:00 2026-08-26T21:00:00+09:00 降灰 70 +31.1707+129.7000/+31.1640+129.7200/+31.1600+129.7378/+31.1594+129.7400/+31.1489+129.7600/+31.1400+129.7731/+31.1366+129.7800/+31.1306+129.8000/+31.1220+129.8200/+31.1200+129.8243/+31.1120+129.8400/+31.1000+129.8584/+31.0993+129.8600/+31.0914+129.8800/+31.0856+129.9000/+31.0800+129.9060/+31.0700+129.9200/+31.0621+129.9400/+31.0600+129.9437/+31.0452+129.9600/+31.0400+129.9661/+31.0346+129.9800/+31.0200+129.9973/+31.0189+130.0000/+31.0119+130.0200/+31.0000+130.0380/+30.9990+130.0400/+30.9932+130.0600/+30.9800+130.0714/+30.9710+130.0800/+30.9600+130.0917/+30.9569+130.1000/+30.9400+130.1195/+30.9398+130.1200/+30.9340+130.1400/+30.9200+130.1549/+30.9186+130.1600/+30.9058+130.1800/+30.9000+130.1863/+30.8980+130.2000/+30.8800+130.2187/+30.8797+130.2200/+30.8751+130.2400/+30.8600+130.2547/+30.8595+130.2600/+30.8400+130.2800/+30.8394+130.3000/+30.8200+130.3194/+30.8000+130.3199/+30.7800+130.3184/+30.7618+130.3000/+30.7767+130.2800/+30.7800+130.2767/+30.7802+130.2600/+30.7870+130.2400/+30.8000+130.2270/+30.8005+130.2200/+30.8086+130.2000/+30.8200+130.1885/+30.8210+130.1800/+30.8287+130.1600/+30.8400+130.1483/+30.8416+130.1400/+30.8495+130.1200/+30.8600+130.1075/+30.8616+130.1000/+30.8686+130.0800/+30.8800+130.0658/+30.8819+130.0600/+30.8889+130.0400/+30.9000+130.0249/+30.9019+130.0200/+30.9043+130.0000/+30.9133+129.9800/+30.9200+129.9655/+30.9226+129.9600/+30.9348+129.9400/+30.9400+129.9300/+30.9465+129.9200/+30.9600+129.9009/+30.9604+129.9000/+30.9716+129.8800/+30.9800+129.8631/+30.9821+129.8600/+31.0000+129.8426/+31.0025+129.8400/+31.0122+129.8200/+31.0200+129.8115/+31.0323+129.8000/+31.0400+129.7886/+31.0480+129.7800/+31.0600+129.7672/+31.0660+129.7600/+31.0792+129.7400/+31.0800+129.7388/+31.0951+129.7200/+31.1000+129.7151/+31.1200+129.7048/+31.1243+129.7000/+31.1400+129.6849/+31.1600+129.6810/+31.1707+129.7000/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8316+130.2800/+30.8288+130.3000/+30.8200+130.3088/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2639/+30.8200+130.2625/+30.8316+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-08-26T21:00:00+09:00 2026-08-27T00:00:00+09:00 降灰 70 +31.2001+129.6600/+31.2000+129.6603/+31.1988+129.6600/+31.2000+129.6523/+31.2001+129.6600/ +31.1755+129.6800/+31.1786+129.7000/+31.1674+129.7200/+31.1603+129.7400/+31.1600+129.7406/+31.1483+129.7600/+31.1400+129.7723/+31.1362+129.7800/+31.1306+129.8000/+31.1223+129.8200/+31.1200+129.8248/+31.1120+129.8400/+31.1000+129.8573/+31.0987+129.8600/+31.0907+129.8800/+31.0852+129.9000/+31.0800+129.9055/+31.0693+129.9200/+31.0602+129.9400/+31.0600+129.9403/+31.0400+129.9569/+31.0384+129.9600/+31.0235+129.9800/+31.0200+129.9834/+31.0153+130.0000/+31.0079+130.0200/+31.0000+130.0305/+30.9955+130.0400/+30.9886+130.0600/+30.9800+130.0678/+30.9600+130.0782/+30.9592+130.0800/+30.9513+130.1000/+30.9400+130.1124/+30.9378+130.1200/+30.9282+130.1400/+30.9200+130.1490/+30.9174+130.1600/+30.9000+130.1789/+30.8997+130.1800/+30.8973+130.2000/+30.8800+130.2181/+30.8797+130.2200/+30.8734+130.2400/+30.8600+130.2541/+30.8595+130.2600/+30.8400+130.2797/+30.8400+130.2800/+30.8393+130.3000/+30.8200+130.3193/+30.8000+130.3200/+30.7800+130.3191/+30.7614+130.3000/+30.7707+130.2800/+30.7800+130.2707/+30.7802+130.2600/+30.7824+130.2400/+30.8000+130.2224/+30.8003+130.2200/+30.8029+130.2000/+30.8200+130.1819/+30.8204+130.1800/+30.8231+130.1600/+30.8400+130.1410/+30.8403+130.1400/+30.8437+130.1200/+30.8599+130.1000/+30.8600+130.0999/+30.8640+130.0800/+30.8758+130.0600/+30.8800+130.0548/+30.8851+130.0400/+30.8957+130.0200/+30.9000+130.0081/+30.9014+130.0000/+30.9111+129.9800/+30.9200+129.9644/+30.9229+129.9600/+30.9374+129.9400/+30.9400+129.9336/+30.9467+129.9200/+30.9600+129.9016/+30.9608+129.9000/+30.9725+129.8800/+30.9800+129.8646/+30.9831+129.8600/+31.0000+129.8444/+31.0039+129.8400/+31.0123+129.8200/+31.0200+129.8103/+31.0290+129.8000/+31.0400+129.7850/+31.0455+129.7800/+31.0600+129.7671/+31.0671+129.7600/+31.0800+129.7423/+31.0816+129.7400/+31.0993+129.7200/+31.1000+129.7194/+31.1200+129.7054/+31.1233+129.7000/+31.1388+129.6800/+31.1400+129.6786/+31.1600+129.6688/+31.1755+129.6800/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8311+130.2800/+30.8200+130.2911/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7841+130.2800/+30.8000+130.2624/+30.8200+130.2633/+30.8311+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-08-27T00:00:00+09:00 2026-08-27T03:00:00+09:00 降灰 70 +31.2112+129.6600/+31.2082+129.6800/+31.2067+129.7000/+31.2000+129.7082/+31.1835+129.7200/+31.1800+129.7255/+31.1747+129.7400/+31.1672+129.7600/+31.1600+129.7717/+31.1532+129.7800/+31.1426+129.8000/+31.1400+129.8042/+31.1329+129.8200/+31.1250+129.8400/+31.1200+129.8509/+31.1153+129.8600/+31.1000+129.8754/+31.0970+129.8800/+31.0875+129.9000/+31.0800+129.9076/+31.0716+129.9200/+31.0640+129.9400/+31.0600+129.9465/+31.0454+129.9600/+31.0400+129.9658/+31.0291+129.9800/+31.0200+129.9883/+31.0164+130.0000/+31.0094+130.0200/+31.0000+130.0325/+30.9964+130.0400/+30.9890+130.0600/+30.9800+130.0678/+30.9600+130.0766/+30.9586+130.0800/+30.9483+130.1000/+30.9400+130.1086/+30.9370+130.1200/+30.9200+130.1388/+30.9196+130.1400/+30.9173+130.1600/+30.9000+130.1796/+30.8999+130.1800/+30.8948+130.2000/+30.8800+130.2173/+30.8797+130.2200/+30.8670+130.2400/+30.8600+130.2467/+30.8587+130.2600/+30.8400+130.2790/+30.8399+130.2800/+30.8389+130.3000/+30.8200+130.3189/+30.8002+130.3200/+30.8000+130.3202/+30.7996+130.3200/+30.7800+130.3193/+30.7614+130.3000/+30.7690+130.2800/+30.7800+130.2690/+30.7801+130.2600/+30.7820+130.2400/+30.8000+130.2219/+30.8003+130.2200/+30.8023+130.2000/+30.8200+130.1816/+30.8204+130.1800/+30.8228+130.1600/+30.8400+130.1408/+30.8403+130.1400/+30.8436+130.1200/+30.8600+130.1004/+30.8602+130.1000/+30.8642+130.0800/+30.8792+130.0600/+30.8800+130.0589/+30.8857+130.0400/+30.9000+130.0217/+30.9008+130.0200/+30.9035+130.0000/+30.9152+129.9800/+30.9200+129.9721/+30.9265+129.9600/+30.9400+129.9416/+30.9412+129.9400/+30.9521+129.9200/+30.9600+129.9101/+30.9646+129.9000/+30.9800+129.8806/+30.9807+129.8800/+30.9942+129.8600/+31.0000+129.8546/+31.0097+129.8400/+31.0199+129.8200/+31.0200+129.8198/+31.0397+129.8000/+31.0400+129.7995/+31.0589+129.7800/+31.0600+129.7790/+31.0800+129.7601/+31.0801+129.7600/+31.0979+129.7400/+31.1000+129.7375/+31.1200+129.7209/+31.1208+129.7200/+31.1341+129.7000/+31.1400+129.6933/+31.1600+129.6820/+31.1677+129.6800/+31.1800+129.6738/+31.1898+129.6600/+31.2000+129.6441/+31.2112+129.6600/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8297+130.2800/+30.8200+130.2897/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2622/+30.8200+130.2620/+30.8297+130.2800/ 北西 4 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、２６日０９時から１２時までは火口から北西方向、２６日２１時から２４時までは火口から北西方向に降灰が予想されます。 　２６日９時から２７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 　２６日０９時から１２時まで　北西　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　２６日１２時から１５時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　２６日１５時から１８時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２６日１８時から２１時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２６日２１時から２４時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　２７日００時から０３時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。