2026-10-11T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T14:00:00+09:00 2026-10-11T15:00:00+09:00 2026-10-12T09:00:00+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 2026-10-11T15:00:00+09:00 2026-10-11T18:00:00+09:00 降灰 70 +31.0003+129.6800/+31.0072+129.7000/+31.0044+129.7200/+31.0016+129.7400/+31.0000+129.7449/+30.9923+129.7600/+30.9870+129.7800/+30.9851+129.8000/+30.9825+129.8200/+30.9804+129.8400/+30.9800+129.8414/+30.9725+129.8600/+30.9600+129.8773/+30.9591+129.8800/+30.9551+129.9000/+30.9521+129.9200/+30.9415+129.9400/+30.9400+129.9428/+30.9354+129.9600/+30.9312+129.9800/+30.9272+130.0000/+30.9200+130.0185/+30.9190+130.0200/+30.9000+130.0311/+30.8983+130.0400/+30.8962+130.0600/+30.8886+130.0800/+30.8800+130.0910/+30.8792+130.1000/+30.8778+130.1200/+30.8728+130.1400/+30.8600+130.1546/+30.8597+130.1600/+30.8593+130.1800/+30.8581+130.2000/+30.8417+130.2200/+30.8400+130.2217/+30.8399+130.2400/+30.8398+130.2600/+30.8391+130.2800/+30.8200+130.2992/+30.8199+130.3000/+30.8107+130.3200/+30.8000+130.3307/+30.7814+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7817+130.2000/+30.7965+130.1800/+30.8000+130.1763/+30.8005+130.1600/+30.8014+130.1400/+30.8046+130.1200/+30.8188+130.1000/+30.8200+130.0985/+30.8212+130.0800/+30.8235+130.0600/+30.8307+130.0400/+30.8400+130.0257/+30.8408+130.0200/+30.8427+130.0000/+30.8441+129.9800/+30.8473+129.9600/+30.8541+129.9400/+30.8600+129.9295/+30.8641+129.9200/+30.8701+129.9000/+30.8800+129.8827/+30.8815+129.8800/+30.8864+129.8600/+30.8920+129.8400/+30.8987+129.8200/+30.9000+129.8172/+30.9139+129.8000/+30.9200+129.7855/+30.9221+129.7800/+30.9308+129.7600/+30.9400+129.7413/+30.9418+129.7400/+30.9600+129.7246/+30.9755+129.7200/+30.9800+129.7165/+30.9869+129.7000/+30.9996+129.6800/+31.0000+129.6793/+31.0003+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8110+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7811+130.3000/+30.7890+130.2800/+30.8000+130.2667/+30.8110+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 +30.9615+129.7600/+30.9635+129.7800/+30.9651+129.8000/+30.9600+129.8096/+30.9549+129.8200/+30.9501+129.8400/+30.9477+129.8600/+30.9460+129.8800/+30.9429+129.9000/+30.9400+129.9165/+30.9393+129.9200/+30.9295+129.9400/+30.9256+129.9600/+30.9202+129.9800/+30.9200+129.9806/+30.9151+130.0000/+30.9000+130.0146/+30.8988+130.0200/+30.8953+130.0400/+30.8899+130.0600/+30.8800+130.0761/+30.8796+130.0800/+30.8776+130.1000/+30.8749+130.1200/+30.8601+130.1400/+30.8600+130.1401/+30.8593+130.1600/+30.8587+130.1800/+30.8556+130.2000/+30.8400+130.2170/+30.8399+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8386+130.2800/+30.8200+130.2986/+30.8200+130.3000/+30.8133+130.3200/+30.8000+130.3333/+30.7800+130.3245/+30.7755+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7664+130.2600/+30.7800+130.2461/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7837+130.1800/+30.7988+130.1600/+30.8000+130.1582/+30.8006+130.1400/+30.8015+130.1200/+30.8040+130.1000/+30.8087+130.0800/+30.8180+130.0600/+30.8200+130.0565/+30.8216+130.0400/+30.8240+130.0200/+30.8284+130.0000/+30.8277+129.9800/+30.8376+129.9600/+30.8400+129.9561/+30.8430+129.9400/+30.8475+129.9200/+30.8526+129.9000/+30.8574+129.8800/+30.8600+129.8717/+30.8648+129.8600/+30.8791+129.8400/+30.8800+129.8384/+30.8887+129.8200/+30.8976+129.8000/+30.9000+129.7906/+30.9108+129.7800/+30.9200+129.7707/+30.9279+129.7600/+30.9398+129.7400/+30.9400+129.7396/+30.9413+129.7400/+30.9600+129.7518/+30.9615+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8080+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7920+130.2800/+30.8000+130.2702/+30.8080+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 +30.9249+129.8000/+30.9353+129.8200/+30.9351+129.8400/+30.9311+129.8600/+30.9265+129.8800/+30.9204+129.9000/+30.9200+129.9200/+30.9171+129.9400/+30.9123+129.9600/+30.9009+129.9800/+30.9000+129.9818/+30.8985+130.0000/+30.8929+130.0200/+30.8846+130.0400/+30.8800+130.0473/+30.8786+130.0600/+30.8765+130.0800/+30.8730+130.1000/+30.8615+130.1200/+30.8600+130.1217/+30.8592+130.1400/+30.8585+130.1600/+30.8568+130.1800/+30.8446+130.2000/+30.8400+130.2049/+30.8398+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8373+130.2800/+30.8200+130.2973/+30.8200+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3263/+30.7737+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7638+130.2600/+30.7800+130.2438/+30.7801+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7819+130.1800/+30.7865+130.1600/+30.8000+130.1406/+30.8000+130.1400/+30.8008+130.1200/+30.8017+130.1000/+30.8035+130.0800/+30.8071+130.0600/+30.8169+130.0400/+30.8200+130.0328/+30.8210+130.0200/+30.8224+130.0000/+30.8200+129.9865/+30.8156+129.9800/+30.8200+129.9662/+30.8214+129.9600/+30.8282+129.9400/+30.8400+129.9242/+30.8416+129.9200/+30.8462+129.9000/+30.8518+129.8800/+30.8567+129.8600/+30.8600+129.8502/+30.8642+129.8400/+30.8714+129.8200/+30.8800+129.8030/+30.8837+129.8000/+30.8939+129.7800/+30.9000+129.7699/+30.9148+129.7800/+30.9200+129.7875/+30.9249+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8079+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7921+130.2800/+30.8000+130.2702/+30.8079+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T00:00:00+09:00 2026-10-12T03:00:00+09:00 降灰 70 +30.9244+129.8200/+30.9291+129.8400/+30.9276+129.8600/+30.9261+129.8800/+30.9211+129.9000/+30.9200+129.9070/+30.9191+129.9200/+30.9155+129.9400/+30.9098+129.9600/+30.9000+129.9760/+30.8992+129.9800/+30.8970+130.0000/+30.8903+130.0200/+30.8815+130.0400/+30.8800+130.0421/+30.8775+130.0600/+30.8749+130.0800/+30.8693+130.1000/+30.8600+130.1163/+30.8598+130.1200/+30.8587+130.1400/+30.8576+130.1600/+30.8536+130.1800/+30.8400+130.1974/+30.8399+130.2000/+30.8397+130.2200/+30.8397+130.2400/+30.8395+130.2600/+30.8349+130.2800/+30.8200+130.2949/+30.8200+130.3000/+30.8155+130.3200/+30.8000+130.3355/+30.7800+130.3299/+30.7701+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7617+130.2600/+30.7800+130.2412/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7811+130.1800/+30.7829+130.1600/+30.7871+130.1400/+30.7957+130.1200/+30.8000+130.1117/+30.8006+130.1000/+30.8016+130.0800/+30.8038+130.0600/+30.8066+130.0400/+30.8126+130.0200/+30.8200+130.0063/+30.8211+130.0000/+30.8200+129.9923/+30.8136+129.9800/+30.8200+129.9605/+30.8201+129.9600/+30.8266+129.9400/+30.8373+129.9200/+30.8400+129.9156/+30.8470+129.9000/+30.8565+129.8800/+30.8600+129.8695/+30.8637+129.8600/+30.8741+129.8400/+30.8800+129.8306/+30.9000+129.8237/+30.9068+129.8200/+30.9200+129.8155/+30.9244+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8081+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7919+130.2800/+30.8000+130.2704/+30.8081+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T03:00:00+09:00 2026-10-12T06:00:00+09:00 降灰 70 +30.9276+129.8400/+30.9346+129.8600/+30.9378+129.8800/+30.9348+129.9000/+30.9314+129.9200/+30.9244+129.9400/+30.9200+129.9597/+30.9200+129.9600/+30.9167+129.9800/+30.9098+130.0000/+30.9000+130.0098/+30.8973+130.0200/+30.8939+130.0400/+30.8866+130.0600/+30.8800+130.0719/+30.8791+130.0800/+30.8768+130.1000/+30.8729+130.1200/+30.8600+130.1386/+30.8598+130.1400/+30.8589+130.1600/+30.8574+130.1800/+30.8514+130.2000/+30.8400+130.2125/+30.8398+130.2200/+30.8397+130.2400/+30.8395+130.2600/+30.8366+130.2800/+30.8200+130.2966/+30.8200+130.3000/+30.8167+130.3200/+30.8000+130.3367/+30.7800+130.3327/+30.7673+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7615+130.2600/+30.7800+130.2407/+30.7801+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7816+130.1800/+30.7843+130.1600/+30.7902+130.1400/+30.8000+130.1224/+30.8002+130.1200/+30.8016+130.1000/+30.8037+130.0800/+30.8086+130.0600/+30.8165+130.0400/+30.8200+130.0309/+30.8212+130.0200/+30.8249+130.0000/+30.8263+129.9800/+30.8386+129.9600/+30.8400+129.9580/+30.8459+129.9400/+30.8549+129.9200/+30.8600+129.9075/+30.8643+129.9000/+30.8727+129.8800/+30.8800+129.8659/+30.8883+129.8600/+30.9000+129.8505/+30.9110+129.8400/+30.9200+129.8213/+30.9276+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8018+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7982+130.2800/+30.8000+130.2778/+30.8018+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T06:00:00+09:00 2026-10-12T09:00:00+09:00 降灰 70 +30.9017+129.8200/+30.9119+129.8400/+30.9103+129.8600/+30.9094+129.8800/+30.9085+129.9000/+30.9025+129.9200/+30.9012+129.9400/+30.9000+129.9452/+30.8990+129.9600/+30.8970+129.9800/+30.8947+130.0000/+30.8841+130.0200/+30.8800+130.0257/+30.8774+130.0400/+30.8760+130.0600/+30.8727+130.0800/+30.8654+130.1000/+30.8600+130.1076/+30.8591+130.1200/+30.8582+130.1400/+30.8562+130.1600/+30.8513+130.1800/+30.8400+130.1944/+30.8398+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8393+130.2600/+30.8313+130.2800/+30.8200+130.2913/+30.8200+130.3000/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3311/+30.7689+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7611+130.2600/+30.7800+130.2401/+30.7800+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7808+130.1800/+30.7818+130.1600/+30.7842+130.1400/+30.7894+130.1200/+30.7971+130.1000/+30.8000+130.0943/+30.8008+130.0800/+30.8018+130.0600/+30.8034+130.0400/+30.8045+130.0200/+30.8098+130.0000/+30.8071+129.9800/+30.8105+129.9600/+30.8161+129.9400/+30.8200+129.9300/+30.8231+129.9200/+30.8290+129.9000/+30.8368+129.8800/+30.8400+129.8735/+30.8476+129.8600/+30.8578+129.8400/+30.8600+129.8350/+30.8673+129.8200/+30.8794+129.8000/+30.8800+129.7995/+30.8812+129.8000/+30.9000+129.8177/+30.9017+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8048+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7952+130.2800/+30.8000+130.2742/+30.8048+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１５時から１２日９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　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０６時から０９時まで　西　　　　　　　５０ｋｍ　　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。