2026-08-30T23:00:00Z 通常 気象庁本庁 気象庁 2026-08-31T08:00:00+09:00 2026-08-31T09:00:00+09:00 2026-09-01T03:00:00+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、３１日０９時から１２時までは火口から北西方向、３１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 2026-08-31T09:00:00+09:00 2026-08-31T12:00:00+09:00 降灰 70 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北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8039+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7976+130.2800/+30.8000+130.2773/+30.8039+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-31T12:00:00+09:00 2026-08-31T15:00:00+09:00 降灰 70 +31.0957+129.9000/+31.0879+129.9200/+31.0800+129.9307/+31.0722+129.9400/+31.0621+129.9600/+31.0600+129.9633/+31.0453+129.9800/+31.0400+129.9842/+31.0282+130.0000/+31.0200+130.0101/+31.0158+130.0200/+31.0032+130.0400/+31.0000+130.0451/+30.9911+130.0600/+30.9800+130.0684/+30.9671+130.0800/+30.9600+130.0876/+30.9532+130.1000/+30.9400+130.1155/+30.9376+130.1200/+30.9200+130.1399/+30.9199+130.1400/+30.9125+130.1600/+30.9000+130.1731/+30.8979+130.1800/+30.8800+130.1998/+30.8800+130.2000/+30.8772+130.2200/+30.8600+130.2377/+30.8597+130.2400/+30.8566+130.2600/+30.8400+130.2767/+30.8399+130.2800/+30.8384+130.3000/+30.8200+130.3184/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3268/+30.7732+130.3200/+30.7603+130.3000/+30.7613+130.2800/+30.7800+130.2613/+30.7801+130.2600/+30.7806+130.2400/+30.7894+130.2200/+30.8000+130.2092/+30.8008+130.2000/+30.8037+130.1800/+30.8200+130.1607/+30.8202+130.1600/+30.8233+130.1400/+30.8310+130.1200/+30.8400+130.1082/+30.8431+130.1000/+30.8527+130.0800/+30.8600+130.0681/+30.8640+130.0600/+30.8786+130.0400/+30.8800+130.0374/+30.8893+130.0200/+30.9000+130.0059/+30.9063+130.0000/+30.9200+129.9876/+30.9287+129.9800/+30.9400+129.9669/+30.9469+129.9600/+30.9600+129.9482/+30.9694+129.9400/+30.9800+129.9302/+30.9973+129.9200/+31.0000+129.9174/+31.0196+129.9000/+31.0200+129.8996/+31.0400+129.8842/+31.0540+129.8800/+31.0600+129.8775/+31.0766+129.8800/+31.0800+129.8810/+31.0957+129.9000/ 北西 50 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/+30.7907+130.2800/+30.8000+130.2690/+30.8125+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-31T15:00:00+09:00 2026-08-31T18:00:00+09:00 降灰 70 +31.0455+129.8400/+31.0424+129.8600/+31.0400+129.8790/+31.0399+129.8800/+31.0299+129.9000/+31.0232+129.9200/+31.0200+129.9272/+31.0131+129.9400/+31.0000+129.9573/+30.9988+129.9600/+30.9884+129.9800/+30.9800+129.9934/+30.9766+130.0000/+30.9628+130.0200/+30.9600+130.0227/+30.9531+130.0400/+30.9400+130.0533/+30.9360+130.0600/+30.9271+130.0800/+30.9200+130.0895/+30.9167+130.1000/+30.9075+130.1200/+30.9000+130.1284/+30.8970+130.1400/+30.8884+130.1600/+30.8800+130.1694/+30.8785+130.1800/+30.8717+130.2000/+30.8600+130.2122/+30.8594+130.2200/+30.8572+130.2400/+30.8400+130.2578/+30.8399+130.2600/+30.8397+130.2800/+30.8346+130.3000/+30.8200+130.3146/+30.8124+130.3200/+30.8000+130.3323/+30.7812+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7802+130.2400/+30.7810+130.2200/+30.7884+130.2000/+30.8000+130.1871/+30.8004+130.1800/+30.8016+130.1600/+30.8057+130.1400/+30.8200+130.1207/+30.8201+130.1200/+30.8229+130.1000/+30.8271+130.0800/+30.8400+130.0619/+30.8406+130.0600/+30.8448+130.0400/+30.8506+130.0200/+30.8536+130.0000/+30.8600+129.9880/+30.8652+129.9800/+30.8759+129.9600/+30.8800+129.9536/+30.8883+129.9400/+30.9000+129.9263/+30.9046+129.9200/+30.9128+129.9000/+30.9200+129.8933/+30.9355+129.8800/+30.9400+129.8732/+30.9503+129.8600/+30.9600+129.8499/+30.9756+129.8400/+30.9800+129.8359/+30.9993+129.8200/+31.0000+129.8195/+31.0096+129.8200/+31.0200+129.8209/+31.0400+129.8264/+31.0455+129.8400/ 北西 50 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/+30.7904+130.2800/+30.8000+130.2683/+30.8118+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-31T18:00:00+09:00 2026-08-31T21:00:00+09:00 降灰 70 +31.0555+129.7600/+31.0501+129.7800/+31.0483+129.8000/+31.0400+129.8179/+31.0393+129.8200/+31.0351+129.8400/+31.0302+129.8600/+31.0224+129.8800/+31.0200+129.8859/+31.0125+129.9000/+31.0000+129.9149/+30.9980+129.9200/+30.9929+129.9400/+30.9827+129.9600/+30.9800+129.9648/+30.9725+129.9800/+30.9600+129.9956/+30.9587+130.0000/+30.9537+130.0200/+30.9436+130.0400/+30.9400+130.0436/+30.9272+130.0600/+30.9200+130.0688/+30.9176+130.0800/+30.9106+130.1000/+30.9000+130.1122/+30.8985+130.1200/+30.8936+130.1400/+30.8800+130.1555/+30.8794+130.1600/+30.8770+130.1800/+30.8600+130.1988/+30.8599+130.2000/+30.8593+130.2200/+30.8549+130.2400/+30.8400+130.2550/+30.8399+130.2600/+30.8397+130.2800/+30.8314+130.3000/+30.8200+130.3114/+30.8082+130.3200/+30.8000+130.3282/+30.7870+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7608+130.2800/+30.7800+130.2608/+30.7801+130.2600/+30.7802+130.2400/+30.7813+130.2200/+30.7974+130.2000/+30.8000+130.1973/+30.8007+130.1800/+30.8027+130.1600/+30.8141+130.1400/+30.8200+130.1332/+30.8215+130.1200/+30.8241+130.1000/+30.8347+130.0800/+30.8400+130.0730/+30.8426+130.0600/+30.8482+130.0400/+30.8600+130.0225/+30.8607+130.0200/+30.8600+130.0087/+30.8577+130.0000/+30.8600+129.9965/+30.8688+129.9800/+30.8767+129.9600/+30.8800+129.9537/+30.8866+129.9400/+30.9000+129.9232/+30.9016+129.9200/+30.9015+129.9000/+30.9200+129.8826/+30.9224+129.8800/+30.9315+129.8600/+30.9400+129.8461/+30.9446+129.8400/+30.9572+129.8200/+30.9600+129.8168/+30.9767+129.8000/+30.9800+129.7945/+30.9902+129.7800/+31.0000+129.7688/+31.0200+129.7642/+31.0269+129.7600/+31.0400+129.7457/+31.0555+129.7600/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7879+130.2800/+30.8000+130.2654/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-31T21:00:00+09:00 2026-09-01T00:00:00+09:00 降灰 70 +31.1012+129.7000/+31.1000+129.7024/+31.0813+129.7200/+31.0810+129.7400/+31.0800+129.7452/+31.0778+129.7600/+31.0722+129.7800/+31.0675+129.8000/+31.0600+129.8151/+31.0567+129.8200/+31.0467+129.8400/+31.0400+129.8585/+31.0397+129.8600/+31.0306+129.8800/+31.0253+129.9000/+31.0200+129.9130/+31.0162+129.9200/+31.0009+129.9400/+31.0000+129.9407/+30.9934+129.9600/+30.9864+129.9800/+30.9800+129.9925/+30.9763+130.0000/+30.9600+130.0176/+30.9593+130.0200/+30.9553+130.0400/+30.9400+130.0557/+30.9373+130.0600/+30.9286+130.0800/+30.9200+130.0895/+30.9181+130.1000/+30.9118+130.1200/+30.9000+130.1327/+30.8990+130.1400/+30.8949+130.1600/+30.8800+130.1754/+30.8795+130.1800/+30.8776+130.2000/+30.8600+130.2182/+30.8598+130.2200/+30.8593+130.2400/+30.8400+130.2598/+30.8400+130.2600/+30.8399+130.2800/+30.8366+130.3000/+30.8200+130.3166/+30.8062+130.3200/+30.8000+130.3261/+30.7904+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7619+130.2800/+30.7800+130.2619/+30.7801+130.2600/+30.7806+130.2400/+30.8000+130.2202/+30.8000+130.2200/+30.8007+130.2000/+30.8055+130.1800/+30.8200+130.1648/+30.8206+130.1600/+30.8231+130.1400/+30.8400+130.1208/+30.8402+130.1200/+30.8426+130.1000/+30.8537+130.0800/+30.8600+130.0727/+30.8624+130.0600/+30.8695+130.0400/+30.8800+130.0271/+30.8822+130.0200/+30.8800+130.0045/+30.8770+130.0000/+30.8800+129.9956/+30.8955+129.9800/+30.9000+129.9747/+30.9031+129.9600/+30.9090+129.9400/+30.9200+129.9233/+30.9224+129.9200/+30.9277+129.9000/+30.9362+129.8800/+30.9400+129.8704/+30.9463+129.8600/+30.9600+129.8481/+30.9657+129.8400/+30.9725+129.8200/+30.9800+129.8011/+30.9807+129.8000/+30.9929+129.7800/+31.0000+129.7724/+31.0144+129.7600/+31.0200+129.7507/+31.0253+129.7400/+31.0368+129.7200/+31.0400+129.7151/+31.0600+129.7015/+31.0760+129.7000/+31.0800+129.6994/+31.1000+129.6874/+31.1012+129.7000/ 北西 70 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/+30.7874+130.2800/+30.8000+130.2647/+30.8155+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T00:00:00+09:00 2026-09-01T03:00:00+09:00 降灰 70 +31.1086+129.7200/+31.1129+129.7400/+31.1086+129.7600/+31.1000+129.7736/+31.0946+129.7800/+31.0892+129.8000/+31.0815+129.8200/+31.0800+129.8241/+31.0748+129.8400/+31.0668+129.8600/+31.0600+129.8701/+31.0547+129.8800/+31.0400+129.8970/+31.0387+129.9000/+31.0319+129.9200/+31.0266+129.9400/+31.0200+129.9541/+31.0158+129.9600/+31.0000+129.9746/+30.9979+129.9800/+30.9916+130.0000/+30.9812+130.0200/+30.9800+130.0215/+30.9600+130.0388/+30.9596+130.0400/+30.9500+130.0600/+30.9400+130.0709/+30.9376+130.0800/+30.9234+130.1000/+30.9200+130.1036/+30.9178+130.1200/+30.9025+130.1400/+30.9000+130.1426/+30.8983+130.1600/+30.8804+130.1800/+30.8800+130.1804/+30.8791+130.2000/+30.8646+130.2200/+30.8600+130.2246/+30.8596+130.2400/+30.8525+130.2600/+30.8400+130.2725/+30.8399+130.2800/+30.8383+130.3000/+30.8200+130.3183/+30.8092+130.3200/+30.8000+130.3292/+30.7859+130.3200/+30.7800+130.3198/+30.7605+130.3000/+30.7627+130.2800/+30.7800+130.2627/+30.7801+130.2600/+30.7819+130.2400/+30.8000+130.2219/+30.8003+130.2200/+30.8024+130.2000/+30.8200+130.1822/+30.8204+130.1800/+30.8228+130.1600/+30.8400+130.1419/+30.8405+130.1400/+30.8430+130.1200/+30.8600+130.1012/+30.8604+130.1000/+30.8638+130.0800/+30.8800+130.0610/+30.8804+130.0600/+30.8847+130.0400/+30.9000+130.0212/+30.9007+130.0200/+30.9012+130.0000/+30.9078+129.9800/+30.9162+129.9600/+30.9200+129.9542/+30.9273+129.9400/+30.9334+129.9200/+30.9400+129.9038/+30.9425+129.9000/+30.9600+129.8859/+30.9644+129.8800/+30.9714+129.8600/+30.9800+129.8461/+30.9858+129.8400/+30.9960+129.8200/+31.0000+129.8170/+31.0161+129.8000/+31.0200+129.7920/+31.0271+129.7800/+31.0400+129.7641/+31.0481+129.7600/+31.0600+129.7514/+31.0778+129.7400/+31.0800+129.7377/+31.0925+129.7200/+31.1000+129.7033/+31.1086+129.7200/ 北西 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/+30.7880+130.2800/+30.8000+130.2649/+30.8153+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、３１日０９時から１２時までは火口から北西方向、３１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。 　３１日９時から１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 　３１日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　３１日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　３１日１５時から１８時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　３１日１８時から２１時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　３１日２１時から２４時まで　北西　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０１日００時から０３時まで　北西　　　　　　７０ｋｍ　　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。