2026-08-21T14:00:00Z 通常 気象庁本庁 気象庁 2026-08-21T23:00:00+09:00 2026-08-22T00:00:00+09:00 2026-08-22T18:00:00+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 2026-08-22T00:00:00+09:00 2026-08-22T03:00:00+09:00 降灰 70 +31.0040+129.8000/+31.0039+129.8200/+31.0090+129.8400/+31.0000+129.8564/+30.9971+129.8600/+30.9897+129.8800/+30.9868+129.9000/+30.9847+129.9200/+30.9800+129.9353/+30.9783+129.9400/+30.9649+129.9600/+30.9600+129.9657/+30.9553+129.9800/+30.9516+130.0000/+30.9466+130.0200/+30.9400+130.0343/+30.9375+130.0400/+30.9210+130.0600/+30.9200+130.0614/+30.9161+130.0800/+30.9093+130.1000/+30.9000+130.1125/+30.8986+130.1200/+30.8945+130.1400/+30.8821+130.1600/+30.8800+130.1624/+30.8779+130.1800/+30.8703+130.2000/+30.8600+130.2108/+30.8594+130.2200/+30.8574+130.2400/+30.8400+130.2580/+30.8399+130.2600/+30.8398+130.2800/+30.8352+130.3000/+30.8200+130.3152/+30.8166+130.3200/+30.8000+130.3366/+30.7800+130.3308/+30.7692+130.3200/+30.7602+130.3000/+30.7608+130.2800/+30.7800+130.2607/+30.7801+130.2600/+30.7802+130.2400/+30.7813+130.2200/+30.7915+130.2000/+30.8000+130.1908/+30.8006+130.1800/+30.8020+130.1600/+30.8065+130.1400/+30.8200+130.1233/+30.8207+130.1200/+30.8232+130.1000/+30.8269+130.0800/+30.8400+130.0622/+30.8407+130.0600/+30.8439+130.0400/+30.8498+130.0200/+30.8520+130.0000/+30.8600+129.9846/+30.8629+129.9800/+30.8710+129.9600/+30.8800+129.9447/+30.8824+129.9400/+30.8985+129.9200/+30.9000+129.9113/+30.9018+129.9000/+30.9200+129.8817/+30.9226+129.8800/+30.9348+129.8600/+30.9400+129.8514/+30.9466+129.8400/+30.9592+129.8200/+30.9600+129.8192/+30.9653+129.8200/+30.9800+129.8226/+30.9885+129.8200/+30.9952+129.8000/+31.0000+129.7943/+31.0040+129.8000/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8097+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7922+130.2800/+30.8000+130.2705/+30.8097+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-22T03:00:00+09:00 2026-08-22T06:00:00+09:00 降灰 70 +31.0201+129.7800/+31.0224+129.8000/+31.0200+129.8089/+31.0170+129.8200/+31.0127+129.8400/+31.0000+129.8590/+30.9996+129.8600/+30.9938+129.8800/+30.9894+129.9000/+30.9848+129.9200/+30.9800+129.9352/+30.9774+129.9400/+30.9600+129.9579/+30.9595+129.9600/+30.9558+129.9800/+30.9508+130.0000/+30.9407+130.0200/+30.9400+130.0210/+30.9200+130.0398/+30.9199+130.0400/+30.9164+130.0600/+30.9065+130.0800/+30.9000+130.0886/+30.8986+130.1000/+30.8954+130.1200/+30.8800+130.1399/+30.8800+130.1400/+30.8787+130.1600/+30.8742+130.1800/+30.8600+130.1953/+30.8597+130.2000/+30.8591+130.2200/+30.8526+130.2400/+30.8400+130.2526/+30.8399+130.2600/+30.8398+130.2800/+30.8265+130.3000/+30.8200+130.3065/+30.8113+130.3200/+30.8000+130.3312/+30.7819+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7609+130.2800/+30.7800+130.2609/+30.7801+130.2600/+30.7802+130.2400/+30.7814+130.2200/+30.8000+130.2002/+30.8000+130.2000/+30.8006+130.1800/+30.8025+130.1600/+30.8136+130.1400/+30.8200+130.1325/+30.8210+130.1200/+30.8239+130.1000/+30.8336+130.0800/+30.8400+130.0711/+30.8414+130.0600/+30.8443+130.0400/+30.8515+130.0200/+30.8506+130.0000/+30.8600+129.9840/+30.8621+129.9800/+30.8680+129.9600/+30.8782+129.9400/+30.8800+129.9372/+30.8915+129.9200/+30.8938+129.9000/+30.9000+129.8877/+30.9056+129.8800/+30.9187+129.8600/+30.9200+129.8587/+30.9315+129.8400/+30.9400+129.8228/+30.9418+129.8200/+30.9600+129.8028/+30.9665+129.8000/+30.9797+129.7800/+30.9800+129.7795/+30.9918+129.7600/+31.0000+129.7464/+31.0146+129.7600/+31.0200+129.7794/+31.0201+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8128+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7892+130.2800/+30.8000+130.2667/+30.8128+130.2800/ 北西 3 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 +31.1055+129.7400/+31.1038+129.7600/+31.1000+129.7671/+31.0895+129.7800/+31.0857+129.8000/+31.0800+129.8147/+31.0782+129.8200/+31.0724+129.8400/+31.0645+129.8600/+31.0600+129.8666/+31.0529+129.8800/+31.0400+129.8953/+31.0378+129.9000/+31.0297+129.9200/+31.0227+129.9400/+31.0200+129.9452/+31.0085+129.9600/+31.0000+129.9679/+30.9955+129.9800/+30.9869+130.0000/+30.9800+130.0110/+30.9746+130.0200/+30.9600+130.0335/+30.9581+130.0400/+30.9400+130.0594/+30.9397+130.0600/+30.9351+130.0800/+30.9200+130.0988/+30.9197+130.1000/+30.9156+130.1200/+30.9000+130.1382/+30.8996+130.1400/+30.8969+130.1600/+30.8800+130.1789/+30.8798+130.1800/+30.8781+130.2000/+30.8600+130.2191/+30.8599+130.2200/+30.8594+130.2400/+30.8416+130.2600/+30.8400+130.2616/+30.8399+130.2800/+30.8377+130.3000/+30.8200+130.3177/+30.8082+130.3200/+30.8000+130.3282/+30.7876+130.3200/+30.7800+130.3198/+30.7605+130.3000/+30.7623+130.2800/+30.7800+130.2623/+30.7801+130.2600/+30.7807+130.2400/+30.8000+130.2204/+30.8001+130.2200/+30.8007+130.2000/+30.8081+130.1800/+30.8200+130.1677/+30.8208+130.1600/+30.8246+130.1400/+30.8400+130.1227/+30.8406+130.1200/+30.8440+130.1000/+30.8572+130.0800/+30.8600+130.0769/+30.8639+130.0600/+30.8756+130.0400/+30.8800+130.0349/+30.8847+130.0200/+30.8833+130.0000/+30.9000+129.9847/+30.9023+129.9800/+30.9074+129.9600/+30.9183+129.9400/+30.9200+129.9376/+30.9291+129.9200/+30.9367+129.9000/+30.9400+129.8948/+30.9572+129.8800/+30.9600+129.8767/+30.9680+129.8600/+30.9800+129.8414/+30.9810+129.8400/+30.9891+129.8200/+31.0000+129.8107/+31.0143+129.8000/+31.0200+129.7909/+31.0273+129.7800/+31.0400+129.7627/+31.0447+129.7600/+31.0600+129.7495/+31.0800+129.7430/+31.0834+129.7400/+31.1000+129.7286/+31.1055+129.7400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8168+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7889+130.2800/+30.8000+130.2663/+30.8168+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 +31.1103+129.7800/+31.1185+129.8000/+31.1075+129.8200/+31.1000+129.8334/+31.0953+129.8400/+31.0860+129.8600/+31.0800+129.8749/+31.0784+129.8800/+31.0717+129.9000/+31.0609+129.9200/+31.0600+129.9216/+31.0452+129.9400/+31.0400+129.9439/+31.0309+129.9600/+31.0200+129.9717/+31.0144+129.9800/+31.0063+130.0000/+31.0000+130.0107/+30.9961+130.0200/+30.9839+130.0400/+30.9800+130.0460/+30.9600+130.0577/+30.9588+130.0600/+30.9506+130.0800/+30.9400+130.0925/+30.9371+130.1000/+30.9251+130.1200/+30.9200+130.1253/+30.9161+130.1400/+30.9000+130.1588/+30.8997+130.1600/+30.8955+130.1800/+30.8800+130.1964/+30.8793+130.2000/+30.8745+130.2200/+30.8600+130.2348/+30.8596+130.2400/+30.8546+130.2600/+30.8400+130.2746/+30.8399+130.2800/+30.8386+130.3000/+30.8200+130.3186/+30.8103+130.3200/+30.8000+130.3303/+30.7852+130.3200/+30.7800+130.3198/+30.7605+130.3000/+30.7622+130.2800/+30.7800+130.2622/+30.7801+130.2600/+30.7805+130.2400/+30.7884+130.2200/+30.8000+130.2081/+30.8006+130.2000/+30.8037+130.1800/+30.8200+130.1610/+30.8202+130.1600/+30.8227+130.1400/+30.8325+130.1200/+30.8400+130.1104/+30.8425+130.1000/+30.8513+130.0800/+30.8600+130.0687/+30.8632+130.0600/+30.8764+130.0400/+30.8800+130.0351/+30.8856+130.0200/+30.8896+130.0000/+30.9000+129.9901/+30.9067+129.9800/+30.9158+129.9600/+30.9200+129.9532/+30.9297+129.9400/+30.9400+129.9260/+30.9458+129.9200/+30.9600+129.9025/+30.9618+129.9000/+30.9772+129.8800/+30.9800+129.8753/+30.9930+129.8600/+31.0000+129.8546/+31.0179+129.8400/+31.0200+129.8366/+31.0351+129.8200/+31.0400+129.8148/+31.0597+129.8000/+31.0600+129.7997/+31.0800+129.7862/+31.0879+129.7800/+31.1000+129.7691/+31.1103+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8185+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7884+130.2800/+30.8000+130.2660/+30.8185+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 +31.0491+129.8000/+31.0432+129.8200/+31.0416+129.8400/+31.0400+129.8444/+31.0368+129.8600/+31.0336+129.8800/+31.0237+129.9000/+31.0200+129.9083/+31.0151+129.9200/+31.0002+129.9400/+31.0000+129.9402/+30.9900+129.9600/+30.9800+129.9791/+30.9797+129.9800/+30.9699+130.0000/+30.9600+130.0143/+30.9584+130.0200/+30.9537+130.0400/+30.9400+130.0537/+30.9351+130.0600/+30.9226+130.0800/+30.9200+130.0832/+30.9151+130.1000/+30.9040+130.1200/+30.9000+130.1248/+30.8974+130.1400/+30.8884+130.1600/+30.8800+130.1694/+30.8784+130.1800/+30.8726+130.2000/+30.8600+130.2136/+30.8594+130.2200/+30.8572+130.2400/+30.8400+130.2579/+30.8399+130.2600/+30.8397+130.2800/+30.8365+130.3000/+30.8200+130.3165/+30.8132+130.3200/+30.8000+130.3332/+30.7804+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7604+130.2800/+30.7673+130.2600/+30.7800+130.2471/+30.7801+130.2400/+30.7806+130.2200/+30.7820+130.2000/+30.7884+130.1800/+30.8000+130.1652/+30.8006+130.1600/+30.8024+130.1400/+30.8067+130.1200/+30.8169+130.1000/+30.8200+130.0953/+30.8227+130.0800/+30.8293+130.0600/+30.8400+130.0406/+30.8402+130.0400/+30.8473+130.0200/+30.8506+130.0000/+30.8600+129.9802/+30.8601+129.9800/+30.8683+129.9600/+30.8800+129.9421/+30.8814+129.9400/+30.8995+129.9200/+30.9000+129.9185/+30.9070+129.9000/+30.9200+129.8849/+30.9250+129.8800/+30.9360+129.8600/+30.9400+129.8541/+30.9518+129.8400/+30.9600+129.8310/+30.9800+129.8206/+30.9809+129.8200/+31.0000+129.8058/+31.0200+129.8037/+31.0290+129.8000/+31.0400+129.7960/+31.0491+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8146+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7907+130.2800/+30.8000+130.2687/+30.8146+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 +31.0458+129.8000/+31.0400+129.8110/+31.0364+129.8200/+31.0325+129.8400/+31.0259+129.8600/+31.0200+129.8707/+31.0163+129.8800/+31.0021+129.9000/+31.0000+129.9022/+30.9921+129.9200/+30.9835+129.9400/+30.9800+129.9447/+30.9665+129.9600/+30.9600+129.9674/+30.9560+129.9800/+30.9495+130.0000/+30.9400+130.0197/+30.9399+130.0200/+30.9264+130.0400/+30.9200+130.0453/+30.9157+130.0600/+30.9070+130.0800/+30.9000+130.0879/+30.8961+130.1000/+30.8898+130.1200/+30.8800+130.1331/+30.8790+130.1400/+30.8760+130.1600/+30.8619+130.1800/+30.8600+130.1820/+30.8589+130.2000/+30.8564+130.2200/+30.8400+130.2379/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8307+130.3000/+30.8200+130.3107/+30.8143+130.3200/+30.8000+130.3343/+30.7800+130.3234/+30.7766+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7618+130.2600/+30.7800+130.2408/+30.7800+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7819+130.1800/+30.7865+130.1600/+30.7986+130.1400/+30.8000+130.1378/+30.8012+130.1200/+30.8035+130.1000/+30.8090+130.0800/+30.8200+130.0617/+30.8204+130.0600/+30.8244+130.0400/+30.8273+130.0200/+30.8396+130.0000/+30.8400+129.9991/+30.8441+129.9800/+30.8515+129.9600/+30.8600+129.9457/+30.8646+129.9400/+30.8800+129.9211/+30.8809+129.9200/+30.8884+129.9000/+30.8995+129.8800/+30.9000+129.8788/+30.9102+129.8600/+30.9200+129.8483/+30.9293+129.8400/+30.9400+129.8284/+30.9491+129.8200/+30.9600+129.8116/+30.9797+129.8000/+30.9800+129.7997/+31.0000+129.7814/+31.0200+129.7843/+31.0400+129.7913/+31.0458+129.8000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8107+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7913+130.2800/+30.8000+130.2692/+30.8107+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に降灰が予想されます。 　２２日０時から２２日１８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００時から０３時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２２日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　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　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。