2026-08-21T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-22T05:00:00+09:00 2026-08-22T06:00:00+09:00 2026-08-23T00:00:00+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、２２日０９時から１２時までは火口から北西方向、２２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 2026-08-22T06:00:00+09:00 2026-08-22T09:00:00+09:00 降灰 70 +31.1020+129.7600/+31.1000+129.7646/+31.0972+129.7600/+31.1000+129.7519/+31.1020+129.7600/ +31.0843+129.8000/+31.0800+129.8124/+31.0784+129.8200/+31.0759+129.8400/+31.0704+129.8600/+31.0600+129.8766/+31.0584+129.8800/+31.0444+129.9000/+31.0400+129.9041/+31.0327+129.9200/+31.0263+129.9400/+31.0200+129.9554/+31.0178+129.9600/+31.0000+129.9773/+30.9986+129.9800/+30.9897+130.0000/+30.9800+130.0156/+30.9777+130.0200/+30.9600+130.0382/+30.9594+130.0400/+30.9482+130.0600/+30.9400+130.0695/+30.9364+130.0800/+30.9242+130.1000/+30.9200+130.1046/+30.9162+130.1200/+30.9000+130.1389/+30.8997+130.1400/+30.8967+130.1600/+30.8800+130.1784/+30.8797+130.1800/+30.8778+130.2000/+30.8600+130.2193/+30.8599+130.2200/+30.8593+130.2400/+30.8437+130.2600/+30.8400+130.2637/+30.8399+130.2800/+30.8375+130.3000/+30.8200+130.3175/+30.8115+130.3200/+30.8000+130.3315/+30.7826+130.3200/+30.7800+130.3199/+30.7604+130.3000/+30.7619+130.2800/+30.7800+130.2619/+30.7801+130.2600/+30.7805+130.2400/+30.7901+130.2200/+30.8000+130.2101/+30.8006+130.2000/+30.8034+130.1800/+30.8200+130.1613/+30.8202+130.1600/+30.8223+130.1400/+30.8300+130.1200/+30.8400+130.1082/+30.8421+130.1000/+30.8507+130.0800/+30.8600+130.0672/+30.8619+130.0600/+30.8681+130.0400/+30.8800+130.0237/+30.8817+130.0200/+30.8814+130.0000/+30.9000+129.9819/+30.9012+129.9800/+30.9076+129.9600/+30.9200+129.9402/+30.9202+129.9400/+30.9324+129.9200/+30.9400+129.9028/+30.9418+129.9000/+30.9600+129.8837/+30.9644+129.8800/+30.9769+129.8600/+30.9800+129.8559/+30.9950+129.8400/+31.0000+129.8332/+31.0163+129.8200/+31.0200+129.8166/+31.0326+129.8000/+31.0400+129.7904/+31.0600+129.7814/+31.0800+129.7900/+31.0843+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8147+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7890+130.2800/+30.8000+130.2666/+30.8147+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T09:00:00+09:00 2026-08-22T12:00:00+09:00 降灰 70 +31.0836+129.8000/+31.0800+129.8084/+31.0765+129.8200/+31.0726+129.8400/+31.0662+129.8600/+31.0600+129.8706/+31.0562+129.8800/+31.0434+129.9000/+31.0400+129.9038/+31.0327+129.9200/+31.0241+129.9400/+31.0200+129.9474/+31.0111+129.9600/+31.0000+129.9728/+30.9974+129.9800/+30.9889+130.0000/+30.9800+130.0148/+30.9773+130.0200/+30.9600+130.0368/+30.9587+130.0400/+30.9416+130.0600/+30.9400+130.0619/+30.9345+130.0800/+30.9200+130.0988/+30.9196+130.1000/+30.9144+130.1200/+30.9000+130.1365/+30.8992+130.1400/+30.8949+130.1600/+30.8800+130.1764/+30.8793+130.1800/+30.8762+130.2000/+30.8600+130.2172/+30.8598+130.2200/+30.8588+130.2400/+30.8400+130.2595/+30.8400+130.2600/+30.8398+130.2800/+30.8369+130.3000/+30.8200+130.3169/+30.8091+130.3200/+30.8000+130.3291/+30.7863+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7613+130.2800/+30.7800+130.2613/+30.7801+130.2600/+30.7803+130.2400/+30.7829+130.2200/+30.8000+130.2024/+30.8003+130.2000/+30.8014+130.1800/+30.8078+130.1600/+30.8200+130.1462/+30.8209+130.1400/+30.8244+130.1200/+30.8392+130.1000/+30.8400+130.0992/+30.8444+130.0800/+30.8556+130.0600/+30.8600+130.0533/+30.8632+130.0400/+30.8738+130.0200/+30.8733+130.0000/+30.8800+129.9909/+30.8906+129.9800/+30.9000+129.9679/+30.9030+129.9600/+30.9122+129.9400/+30.9200+129.9292/+30.9278+129.9200/+30.9373+129.9000/+30.9400+129.8962/+30.9575+129.8800/+30.9600+129.8768/+30.9709+129.8600/+30.9800+129.8486/+30.9883+129.8400/+31.0000+129.8231/+31.0057+129.8200/+31.0200+129.8099/+31.0278+129.8000/+31.0400+129.7855/+31.0550+129.7800/+31.0600+129.7778/+31.0674+129.7800/+31.0800+129.7904/+31.0836+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8165+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7879+130.2800/+30.8000+130.2653/+30.8165+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T12:00:00+09:00 2026-08-22T15:00:00+09:00 降灰 70 +31.0931+129.8000/+31.0810+129.8200/+31.0800+129.8230/+31.0762+129.8400/+31.0696+129.8600/+31.0600+129.8771/+31.0591+129.8800/+31.0476+129.9000/+31.0400+129.9071/+31.0329+129.9200/+31.0245+129.9400/+31.0200+129.9489/+31.0134+129.9600/+31.0000+129.9753/+30.9978+129.9800/+30.9868+130.0000/+30.9800+130.0105/+30.9749+130.0200/+30.9600+130.0364/+30.9586+130.0400/+30.9425+130.0600/+30.9400+130.0629/+30.9349+130.0800/+30.9200+130.0999/+30.9200+130.1000/+30.9147+130.1200/+30.9000+130.1375/+30.8992+130.1400/+30.8955+130.1600/+30.8800+130.1776/+30.8795+130.1800/+30.8766+130.2000/+30.8600+130.2179/+30.8598+130.2200/+30.8588+130.2400/+30.8400+130.2595/+30.8400+130.2600/+30.8398+130.2800/+30.8375+130.3000/+30.8200+130.3175/+30.8125+130.3200/+30.8000+130.3325/+30.7814+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7608+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7802+130.2400/+30.7812+130.2200/+30.7886+130.2000/+30.8000+130.1875/+30.8007+130.1800/+30.8030+130.1600/+30.8126+130.1400/+30.8200+130.1304/+30.8216+130.1200/+30.8260+130.1000/+30.8369+130.0800/+30.8400+130.0757/+30.8445+130.0600/+30.8555+130.0400/+30.8600+130.0339/+30.8658+130.0200/+30.8685+130.0000/+30.8800+129.9840/+30.8829+129.9800/+30.8928+129.9600/+30.9000+129.9500/+30.9055+129.9400/+30.9199+129.9200/+30.9200+129.9198/+30.9302+129.9000/+30.9400+129.8854/+30.9443+129.8800/+30.9600+129.8613/+30.9614+129.8600/+30.9800+129.8434/+30.9841+129.8400/+30.9962+129.8200/+31.0000+129.8167/+31.0200+129.8049/+31.0251+129.8000/+31.0400+129.7858/+31.0564+129.7800/+31.0600+129.7785/+31.0687+129.7800/+31.0800+129.7837/+31.0931+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8160+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7902+130.2800/+30.8000+130.2678/+30.8160+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T15:00:00+09:00 2026-08-22T18:00:00+09:00 降灰 70 +31.0465+129.8000/+31.0400+129.8143/+31.0381+129.8200/+31.0354+129.8400/+31.0320+129.8600/+31.0265+129.8800/+31.0200+129.8934/+31.0160+129.9000/+31.0000+129.9190/+30.9995+129.9200/+30.9921+129.9400/+30.9822+129.9600/+30.9800+129.9629/+30.9659+129.9800/+30.9600+129.9869/+30.9553+130.0000/+30.9479+130.0200/+30.9400+130.0338/+30.9365+130.0400/+30.9200+130.0593/+30.9198+130.0600/+30.9125+130.0800/+30.9000+130.0952/+30.8987+130.1000/+30.8949+130.1200/+30.8807+130.1400/+30.8800+130.1408/+30.8778+130.1600/+30.8715+130.1800/+30.8600+130.1928/+30.8594+130.2000/+30.8581+130.2200/+30.8459+130.2400/+30.8400+130.2464/+30.8398+130.2600/+30.8394+130.2800/+30.8335+130.3000/+30.8200+130.3135/+30.8143+130.3200/+30.8000+130.3343/+30.7800+130.3235/+30.7765+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7633+130.2600/+30.7800+130.2427/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7830+130.1800/+30.7900+130.1600/+30.8000+130.1458/+30.8005+130.1400/+30.8023+130.1200/+30.8053+130.1000/+30.8134+130.0800/+30.8200+130.0683/+30.8216+130.0600/+30.8275+130.0400/+30.8354+130.0200/+30.8400+130.0108/+30.8431+130.0000/+30.8504+129.9800/+30.8600+129.9613/+30.8608+129.9600/+30.8738+129.9400/+30.8800+129.9314/+30.8889+129.9200/+30.8968+129.9000/+30.9000+129.8951/+30.9145+129.8800/+30.9200+129.8729/+30.9290+129.8600/+30.9400+129.8472/+30.9475+129.8400/+30.9600+129.8244/+30.9670+129.8200/+30.9800+129.8102/+30.9913+129.8000/+31.0000+129.7912/+31.0200+129.7916/+31.0400+129.7924/+31.0465+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8125+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7898+130.2800/+30.8000+130.2677/+30.8125+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T18:00:00+09:00 2026-08-22T21:00:00+09:00 降灰 70 +31.0108+129.7400/+31.0167+129.7600/+31.0140+129.7800/+31.0121+129.8000/+31.0006+129.8200/+31.0000+129.8208/+30.9923+129.8400/+30.9859+129.8600/+30.9801+129.8800/+30.9800+129.8803/+30.9709+129.9000/+30.9600+129.9154/+30.9585+129.9200/+30.9506+129.9400/+30.9431+129.9600/+30.9400+129.9669/+30.9363+129.9800/+30.9306+130.0000/+30.9240+130.0200/+30.9200+130.0239/+30.9095+130.0400/+30.9000+130.0516/+30.8971+130.0600/+30.8908+130.0800/+30.8800+130.0950/+30.8793+130.1000/+30.8775+130.1200/+30.8734+130.1400/+30.8600+130.1571/+30.8597+130.1600/+30.8590+130.1800/+30.8572+130.2000/+30.8438+130.2200/+30.8400+130.2240/+30.8398+130.2400/+30.8397+130.2600/+30.8386+130.2800/+30.8200+130.2994/+30.8200+130.3000/+30.8123+130.3200/+30.8000+130.3323/+30.7803+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7614+130.2600/+30.7800+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7812+130.1800/+30.7833+130.1600/+30.7881+130.1400/+30.8000+130.1228/+30.8003+130.1200/+30.8016+130.1000/+30.8036+130.0800/+30.8095+130.0600/+30.8197+130.0400/+30.8200+130.0396/+30.8237+130.0200/+30.8297+130.0000/+30.8313+129.9800/+30.8400+129.9652/+30.8413+129.9600/+30.8474+129.9400/+30.8591+129.9200/+30.8600+129.9183/+30.8693+129.9000/+30.8800+129.8844/+30.8828+129.8800/+30.8897+129.8600/+30.8995+129.8400/+30.9000+129.8389/+30.9110+129.8200/+30.9200+129.8096/+30.9304+129.8000/+30.9400+129.7845/+30.9458+129.7800/+30.9600+129.7679/+30.9717+129.7600/+30.9800+129.7525/+30.9907+129.7400/+31.0000+129.7322/+31.0108+129.7400/ 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+130.2674/+30.8100+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T21:00:00+09:00 2026-08-23T00:00:00+09:00 降灰 70 +31.0624+129.7800/+31.0679+129.8000/+31.0640+129.8200/+31.0605+129.8400/+31.0600+129.8414/+31.0520+129.8600/+31.0410+129.8800/+31.0400+129.8812/+31.0329+129.9000/+31.0271+129.9200/+31.0200+129.9365/+31.0180+129.9400/+31.0000+129.9590/+30.9995+129.9600/+30.9924+129.9800/+30.9839+130.0000/+30.9800+130.0071/+30.9741+130.0200/+30.9600+130.0355/+30.9585+130.0400/+30.9415+130.0600/+30.9400+130.0618/+30.9353+130.0800/+30.9200+130.0992/+30.9197+130.1000/+30.9156+130.1200/+30.9011+130.1400/+30.9000+130.1412/+30.8972+130.1600/+30.8800+130.1800/+30.8783+130.2000/+30.8632+130.2200/+30.8600+130.2232/+30.8593+130.2400/+30.8504+130.2600/+30.8400+130.2704/+30.8399+130.2800/+30.8376+130.3000/+30.8200+130.3176/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3209/+30.7791+130.3200/+30.7603+130.3000/+30.7614+130.2800/+30.7800+130.2614/+30.7801+130.2600/+30.7804+130.2400/+30.7837+130.2200/+30.8000+130.2023/+30.8003+130.2000/+30.8018+130.1800/+30.8081+130.1600/+30.8200+130.1440/+30.8206+130.1400/+30.8244+130.1200/+30.8358+130.1000/+30.8400+130.0944/+30.8432+130.0800/+30.8515+130.0600/+30.8600+130.0478/+30.8627+130.0400/+30.8738+130.0200/+30.8726+130.0000/+30.8800+129.9878/+30.8845+129.9800/+30.9000+129.9601/+30.9000+129.9600/+30.9117+129.9400/+30.9200+129.9279/+30.9256+129.9200/+30.9334+129.9000/+30.9400+129.8877/+30.9455+129.8800/+30.9600+129.8617/+30.9616+129.8600/+30.9786+129.8400/+30.9800+129.8356/+30.9876+129.8200/+31.0000+129.8056/+31.0117+129.8000/+31.0200+129.7939/+31.0360+129.7800/+31.0400+129.7759/+31.0600+129.7752/+31.0624+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8118+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2685/+30.8118+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、２２日０９時から１２時までは火口から北西方向、２２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。 　２２日６時から２２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 　２２日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日１２時から１５時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日１５時から１８時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日２１時から２４時まで　北西　　　　　　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。