2026-09-25T17:00:00Z 通常 気象庁本庁 気象庁 2026-09-26T02:00:00+09:00 2026-09-26T03:00:00+09:00 2026-09-26T21:00:00+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東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 鹿児島県南大隅町 4649100 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 鹿児島県南大隅町 4649100 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-09-26T03:00:00+09:00 2026-09-26T06:00:00+09:00 降灰 70 +31.1424+130.5600/+31.1444+130.5800/+31.1519+130.6000/+31.1400+130.6054/+31.1200+130.6090/+31.1038+130.6000/+31.1000+130.5977/+31.0800+130.5913/+31.0640+130.5800/+31.0600+130.5782/+31.0400+130.5702/+31.0253+130.5600/+31.0200+130.5567/+31.0000+130.5421/+30.9976+130.5400/+30.9851+130.5200/+30.9800+130.5157/+30.9623+130.5000/+30.9600+130.4988/+30.9414+130.4800/+30.9400+130.4789/+30.9203+130.4600/+30.9200+130.4598/+30.9000+130.4417/+30.8984+130.4400/+30.8800+130.4205/+30.8795+130.4200/+30.8600+130.4017/+30.8583+130.4000/+30.8400+130.3853/+30.8347+130.3800/+30.8200+130.3728/+30.8072+130.3600/+30.8000+130.3587/+30.7813+130.3400/+30.7800+130.3391/+30.7609+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2801/+30.8200+130.2804/+30.8396+130.3000/+30.8400+130.3003/+30.8600+130.3109/+30.8692+130.3200/+30.8800+130.3233/+30.8976+130.3400/+30.9000+130.3417/+30.9200+130.3595/+30.9205+130.3600/+30.9400+130.3701/+30.9512+130.3800/+30.9600+130.3875/+30.9760+130.4000/+30.9800+130.4026/+30.9990+130.4200/+31.0000+130.4211/+31.0194+130.4400/+31.0200+130.4406/+31.0400+130.4480/+31.0508+130.4600/+31.0600+130.4688/+31.0746+130.4800/+31.0800+130.4857/+31.0961+130.5000/+31.1000+130.5044/+31.1144+130.5200/+31.1200+130.5302/+31.1286+130.5400/+31.1400+130.5561/+31.1424+130.5600/ 北東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3372/+30.7828+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-09-26T06:00:00+09:00 2026-09-26T09:00:00+09:00 降灰 70 +31.1736+130.6400/+31.1780+130.6600/+31.1600+130.6737/+31.1400+130.6697/+31.1203+130.6600/+31.1200+130.6599/+31.1000+130.6448/+31.0953+130.6400/+31.0800+130.6320/+31.0600+130.6221/+31.0564+130.6200/+31.0400+130.6096/+31.0311+130.6000/+31.0200+130.5904/+31.0096+130.5800/+31.0000+130.5742/+30.9803+130.5600/+30.9800+130.5598/+30.9652+130.5400/+30.9600+130.5354/+30.9447+130.5200/+30.9400+130.5149/+30.9252+130.5000/+30.9200+130.4961/+30.9040+130.4800/+30.9000+130.4767/+30.8838+130.4600/+30.8800+130.4566/+30.8640+130.4400/+30.8600+130.4358/+30.8448+130.4200/+30.8400+130.4130/+30.8272+130.4000/+30.8200+130.3894/+30.8106+130.3800/+30.8003+130.3600/+30.8000+130.3598/+30.7803+130.3400/+30.7800+130.3388/+30.7612+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2801/+30.8200+130.2810/+30.8390+130.3000/+30.8400+130.3010/+30.8590+130.3200/+30.8600+130.3211/+30.8791+130.3400/+30.8800+130.3411/+30.8995+130.3600/+30.9000+130.3605/+30.9200+130.3797/+30.9203+130.3800/+30.9400+130.3902/+30.9502+130.4000/+30.9600+130.4103/+30.9700+130.4200/+30.9800+130.4305/+30.9909+130.4400/+31.0000+130.4479/+31.0121+130.4600/+31.0200+130.4663/+31.0400+130.4770/+31.0434+130.4800/+31.0593+130.5000/+31.0600+130.5009/+31.0739+130.5200/+31.0800+130.5286/+31.0988+130.5400/+31.1000+130.5412/+31.1131+130.5600/+31.1200+130.5709/+31.1307+130.5800/+31.1400+130.5900/+31.1474+130.6000/+31.1580+130.6200/+31.1600+130.6234/+31.1736+130.6400/ 北東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8210+130.3200/+30.8200+130.3221/+30.8000+130.3387/+30.7818+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/+30.8200+130.3190/+30.8210+130.3200/ 北東 3 鹿児島県三島村 4630300 2026-09-26T09:00:00+09:00 2026-09-26T12:00:00+09:00 降灰 70 +31.1232+130.7600/+31.1299+130.7800/+31.1390+130.8000/+31.1243+130.8200/+31.1200+130.8233/+31.1000+130.8331/+31.0803+130.8200/+31.0800+130.8198/+31.0600+130.8037/+31.0564+130.8000/+31.0400+130.7865/+31.0345+130.7800/+31.0217+130.7600/+31.0200+130.7577/+31.0094+130.7400/+31.0000+130.7248/+30.9961+130.7200/+30.9800+130.7069/+30.9750+130.7000/+30.9663+130.6800/+30.9600+130.6693/+30.9519+130.6600/+30.9400+130.6409/+30.9395+130.6400/+30.9247+130.6200/+30.9200+130.6130/+30.9114+130.6000/+30.9093+130.5800/+30.9023+130.5600/+30.9000+130.5560/+30.8856+130.5400/+30.8801+130.5200/+30.8800+130.5198/+30.8632+130.5000/+30.8600+130.4868/+30.8541+130.4800/+30.8420+130.4600/+30.8400+130.4501/+30.8304+130.4400/+30.8210+130.4200/+30.8200+130.4146/+30.8055+130.4000/+30.8003+130.3800/+30.8000+130.3787/+30.7813+130.3600/+30.7801+130.3400/+30.7800+130.3393/+30.7607+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2801/+30.8200+130.3000/+30.8399+130.3200/+30.8400+130.3228/+30.8572+130.3400/+30.8598+130.3600/+30.8600+130.3612/+30.8783+130.3800/+30.8800+130.3930/+30.8869+130.4000/+30.8989+130.4200/+30.9000+130.4241/+30.9151+130.4400/+30.9200+130.4600/+30.9369+130.4800/+30.9400+130.4915/+30.9473+130.5000/+30.9587+130.5200/+30.9600+130.5238/+30.9800+130.5357/+30.9847+130.5400/+30.9951+130.5600/+31.0000+130.5726/+31.0045+130.5800/+31.0152+130.6000/+31.0200+130.6117/+31.0298+130.6200/+31.0400+130.6339/+31.0459+130.6400/+31.0600+130.6555/+31.0629+130.6600/+31.0722+130.6800/+31.0800+130.6962/+31.0832+130.7000/+31.0956+130.7200/+31.1000+130.7259/+31.1134+130.7400/+31.1200+130.7533/+31.1232+130.7600/ 北東 60 鹿児島県三島村 4630300 鹿児島県南大隅町 4649100 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8194+130.3200/+30.8000+130.3398/+30.7813+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-09-26T12:00:00+09:00 2026-09-26T15:00:00+09:00 降灰 70 +30.9691+130.7600/+30.9728+130.7800/+30.9771+130.8000/+30.9772+130.8200/+30.9773+130.8400/+30.9767+130.8600/+30.9750+130.8800/+30.9725+130.9000/+30.9646+130.9200/+30.9600+130.9284/+30.9400+130.9220/+30.9391+130.9200/+30.9313+130.9000/+30.9252+130.8800/+30.9200+130.8614/+30.9196+130.8600/+30.9140+130.8400/+30.9067+130.8200/+30.9000+130.8095/+30.8974+130.8000/+30.8915+130.7800/+30.8875+130.7600/+30.8840+130.7400/+30.8802+130.7200/+30.8800+130.7196/+30.8717+130.7000/+30.8661+130.6800/+30.8601+130.6600/+30.8600+130.6597/+30.8513+130.6400/+30.8469+130.6200/+30.8508+130.6000/+30.8446+130.5800/+30.8418+130.5600/+30.8402+130.5400/+30.8400+130.5388/+30.8273+130.5200/+30.8222+130.5000/+30.8208+130.4800/+30.8200+130.4716/+30.8097+130.4600/+30.8020+130.4400/+30.8005+130.4200/+30.8000+130.4025/+30.7976+130.4000/+30.7809+130.3800/+30.7801+130.3600/+30.7800+130.3459/+30.7741+130.3400/+30.7603+130.3200/+30.7608+130.3000/+30.7800+130.2808/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3006/+30.8394+130.3200/+30.8399+130.3400/+30.8400+130.3455/+30.8544+130.3600/+30.8593+130.3800/+30.8599+130.4000/+30.8600+130.4010/+30.8762+130.4200/+30.8788+130.4400/+30.8800+130.4558/+30.8836+130.4600/+30.8951+130.4800/+30.8984+130.5000/+30.9000+130.5159/+30.9027+130.5200/+30.9125+130.5400/+30.9158+130.5600/+30.9195+130.5800/+30.9200+130.5812/+30.9354+130.6000/+30.9385+130.6200/+30.9400+130.6275/+30.9449+130.6400/+30.9480+130.6600/+30.9512+130.6800/+30.9539+130.7000/+30.9557+130.7200/+30.9600+130.7400/+30.9600+130.7402/+30.9691+130.7600/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8019+130.3400/+30.8000+130.3418/+30.7987+130.3400/+30.7812+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-09-26T15:00:00+09:00 2026-09-26T18:00:00+09:00 降灰 70 +30.9201+130.7800/+30.9259+130.8000/+30.9250+130.8200/+30.9228+130.8400/+30.9207+130.8600/+30.9200+130.8677/+30.9188+130.8800/+30.9166+130.9000/+30.9113+130.9200/+30.9037+130.9400/+30.9000+130.9480/+30.8970+130.9400/+30.8899+130.9200/+30.8840+130.9000/+30.8800+130.8811/+30.8798+130.8800/+30.8755+130.8600/+30.8698+130.8400/+30.8600+130.8279/+30.8566+130.8200/+30.8529+130.8000/+30.8510+130.7800/+30.8493+130.7600/+30.8446+130.7400/+30.8428+130.7200/+30.8400+130.7073/+30.8371+130.7000/+30.8324+130.6800/+30.8258+130.6600/+30.8207+130.6400/+30.8200+130.6370/+30.8143+130.6200/+30.8200+130.6131/+30.8231+130.6000/+30.8220+130.5800/+30.8205+130.5600/+30.8200+130.5529/+30.8146+130.5400/+30.8070+130.5200/+30.8035+130.5000/+30.8016+130.4800/+30.8006+130.4600/+30.8000+130.4400/+30.8000+130.4396/+30.7846+130.4200/+30.7809+130.4000/+30.7802+130.3800/+30.7801+130.3600/+30.7800+130.3573/+30.7627+130.3400/+30.7602+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3023/+30.8377+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3766/+30.8434+130.3800/+30.8578+130.4000/+30.8592+130.4200/+30.8596+130.4400/+30.8600+130.4492/+30.8689+130.4600/+30.8761+130.4800/+30.8781+130.5000/+30.8791+130.5200/+30.8800+130.5371/+30.8816+130.5400/+30.8903+130.5600/+30.8942+130.5800/+30.8988+130.6000/+30.9000+130.6147/+30.9027+130.6200/+30.9101+130.6400/+30.9135+130.6600/+30.9155+130.6800/+30.9149+130.7000/+30.9156+130.7200/+30.9159+130.7400/+30.9163+130.7600/+30.9200+130.7798/+30.9201+130.7800/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8019+130.3400/+30.8000+130.3423/+30.7983+130.3400/+30.7800+130.3316/+30.7684+130.3200/+30.7800+130.3084/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 3 鹿児島県三島村 4630300 2026-09-26T18:00:00+09:00 2026-09-26T21:00:00+09:00 降灰 70 +30.8801+130.5800/+30.8800+130.5824/+30.8797+130.6000/+30.8800+130.6012/+30.8903+130.6200/+30.8910+130.6400/+30.8913+130.6600/+30.8919+130.6800/+30.8927+130.7000/+30.8974+130.7200/+30.8954+130.7400/+30.8929+130.7600/+30.8949+130.7800/+30.8969+130.8000/+30.8861+130.8200/+30.8800+130.8361/+30.8778+130.8400/+30.8600+130.8593/+30.8400+130.8423/+30.8392+130.8400/+30.8311+130.8200/+30.8252+130.8000/+30.8207+130.7800/+30.8200+130.7763/+30.8173+130.7600/+30.8136+130.7400/+30.8119+130.7200/+30.8109+130.7000/+30.8063+130.6800/+30.8028+130.6600/+30.8000+130.6411/+30.7998+130.6400/+30.7944+130.6200/+30.8000+130.6110/+30.8020+130.6000/+30.8000+130.5833/+30.7983+130.5800/+30.7956+130.5600/+30.7933+130.5400/+30.7885+130.5200/+30.7846+130.5000/+30.7828+130.4800/+30.7817+130.4600/+30.7809+130.4400/+30.7805+130.4200/+30.7802+130.4000/+30.7800+130.3805/+30.7797+130.3800/+30.7647+130.3600/+30.7605+130.3400/+30.7601+130.3200/+30.7605+130.3000/+30.7800+130.2805/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3044/+30.8356+130.3200/+30.8396+130.3400/+30.8398+130.3600/+30.8399+130.3800/+30.8400+130.3819/+30.8547+130.4000/+30.8574+130.4200/+30.8586+130.4400/+30.8597+130.4600/+30.8600+130.4632/+30.8690+130.4800/+30.8717+130.5000/+30.8740+130.5200/+30.8752+130.5400/+30.8781+130.5600/+30.8800+130.5795/+30.8801+130.5800/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3397/+30.7800+130.3305/+30.7695+130.3200/+30.7800+130.3095/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 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東方向に降灰が予想されます。 　２６日３時から２６日２１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０３時から０６時まで　北東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２６日０６時から０９時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２６日０９時から１２時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２６日１２時から１５時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２６日１５時から１８時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２６日１８時から２１時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　 　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、南大隅町 　 　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。