2026-10-11T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T11:00:00+09:00 2026-10-11T12:00:00+09:00 2026-10-12T06:00:00+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 2026-10-11T12:00:00+09:00 2026-10-11T15:00:00+09:00 降灰 70 +31.0004+129.7600/+31.0146+129.7800/+31.0198+129.8000/+31.0190+129.8200/+31.0186+129.8400/+31.0147+129.8600/+31.0124+129.8800/+31.0036+129.9000/+31.0000+129.9061/+30.9965+129.9200/+30.9926+129.9400/+30.9865+129.9600/+30.9800+129.9771/+30.9792+129.9800/+30.9721+130.0000/+30.9600+130.0187/+30.9597+130.0200/+30.9554+130.0400/+30.9400+130.0596/+30.9398+130.0600/+30.9341+130.0800/+30.9212+130.1000/+30.9200+130.1014/+30.9168+130.1200/+30.9076+130.1400/+30.9000+130.1482/+30.8980+130.1600/+30.8913+130.1800/+30.8800+130.1917/+30.8788+130.2000/+30.8726+130.2200/+30.8600+130.2327/+30.8595+130.2400/+30.8547+130.2600/+30.8400+130.2748/+30.8399+130.2800/+30.8378+130.3000/+30.8200+130.3186/+30.8172+130.3200/+30.8000+130.3362/+30.7800+130.3280/+30.7720+130.3200/+30.7603+130.3000/+30.7609+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7804+130.2400/+30.7820+130.2200/+30.7928+130.2000/+30.8000+130.1918/+30.8010+130.1800/+30.8035+130.1600/+30.8129+130.1400/+30.8200+130.1296/+30.8214+130.1200/+30.8257+130.1000/+30.8364+130.0800/+30.8400+130.0753/+30.8440+130.0600/+30.8503+130.0400/+30.8600+130.0242/+30.8621+130.0200/+30.8631+130.0000/+30.8729+129.9800/+30.8800+129.9669/+30.8834+129.9600/+30.8949+129.9400/+30.9000+129.9311/+30.9036+129.9200/+30.9069+129.9000/+30.9200+129.8846/+30.9234+129.8800/+30.9315+129.8600/+30.9400+129.8431/+30.9417+129.8400/+30.9524+129.8200/+30.9600+129.8111/+30.9756+129.8000/+30.9800+129.7927/+30.9877+129.7800/+30.9998+129.7600/+31.0000+129.7597/+31.0004+129.7600/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8122+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7899+130.2800/+30.8000+130.2676/+30.8122+130.2800/ 北西 3 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 +30.9667+129.7600/+30.9732+129.7800/+30.9762+129.8000/+30.9754+129.8200/+30.9716+129.8400/+30.9615+129.8600/+30.9600+129.8621/+30.9547+129.8800/+30.9509+129.9000/+30.9476+129.9200/+30.9400+129.9334/+30.9368+129.9400/+30.9322+129.9600/+30.9268+129.9800/+30.9200+129.9998/+30.9200+130.0000/+30.9051+130.0200/+30.9000+130.0247/+30.8986+130.0400/+30.8942+130.0600/+30.8840+130.0800/+30.8800+130.0850/+30.8785+130.1000/+30.8761+130.1200/+30.8692+130.1400/+30.8600+130.1516/+30.8596+130.1600/+30.8589+130.1800/+30.8566+130.2000/+30.8400+130.2187/+30.8399+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8387+130.2800/+30.8200+130.2988/+30.8200+130.3000/+30.8132+130.3200/+30.8000+130.3328/+30.7800+130.3221/+30.7779+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7648+130.2600/+30.7800+130.2447/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7835+130.1800/+30.7961+130.1600/+30.8000+130.1548/+30.8006+130.1400/+30.8016+130.1200/+30.8045+130.1000/+30.8113+130.0800/+30.8200+130.0654/+30.8207+130.0600/+30.8235+130.0400/+30.8270+130.0200/+30.8344+130.0000/+30.8400+129.9868/+30.8411+129.9800/+30.8443+129.9600/+30.8491+129.9400/+30.8573+129.9200/+30.8600+129.9145/+30.8665+129.9000/+30.8748+129.8800/+30.8800+129.8726/+30.8854+129.8600/+30.8933+129.8400/+30.9000+129.8212/+30.9005+129.8200/+30.9200+129.8005/+30.9210+129.8000/+30.9303+129.7800/+30.9400+129.7609/+30.9424+129.7600/+30.9600+129.7515/+30.9667+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7905+130.2800/+30.8000+130.2683/+30.8095+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 +31.0045+129.7400/+31.0056+129.7600/+31.0024+129.7800/+31.0000+129.7966/+30.9988+129.8000/+30.9882+129.8200/+30.9873+129.8400/+30.9837+129.8600/+30.9804+129.8800/+30.9800+129.8812/+30.9727+129.9000/+30.9600+129.9184/+30.9595+129.9200/+30.9537+129.9400/+30.9492+129.9600/+30.9407+129.9800/+30.9400+129.9814/+30.9350+130.0000/+30.9296+130.0200/+30.9200+130.0290/+30.9106+130.0400/+30.9000+130.0551/+30.8991+130.0600/+30.8964+130.0800/+30.8882+130.1000/+30.8800+130.1096/+30.8789+130.1200/+30.8767+130.1400/+30.8674+130.1600/+30.8600+130.1679/+30.8594+130.1800/+30.8587+130.2000/+30.8521+130.2200/+30.8400+130.2323/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8127+130.3200/+30.8000+130.3327/+30.7800+130.3223/+30.7778+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7820+130.2000/+30.7963+130.1800/+30.8000+130.1760/+30.8006+130.1600/+30.8018+130.1400/+30.8062+130.1200/+30.8200+130.1019/+30.8203+130.1000/+30.8220+130.0800/+30.8256+130.0600/+30.8356+130.0400/+30.8400+130.0337/+30.8422+130.0200/+30.8445+130.0000/+30.8484+129.9800/+30.8550+129.9600/+30.8600+129.9503/+30.8642+129.9400/+30.8732+129.9200/+30.8800+129.9060/+30.8827+129.9000/+30.8917+129.8800/+30.8981+129.8600/+30.9000+129.8558/+30.9101+129.8400/+30.9200+129.8256/+30.9249+129.8200/+30.9352+129.8000/+30.9400+129.7914/+30.9562+129.7800/+30.9600+129.7770/+30.9800+129.7720/+30.9878+129.7600/+30.9948+129.7400/+31.0000+129.7294/+31.0045+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2688/+30.8092+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 +30.9801+129.8000/+30.9800+129.8013/+30.9792+129.8200/+30.9800+129.8314/+30.9806+129.8400/+30.9800+129.8427/+30.9763+129.8600/+30.9717+129.8800/+30.9607+129.9000/+30.9600+129.9009/+30.9552+129.9200/+30.9489+129.9400/+30.9412+129.9600/+30.9400+129.9621/+30.9346+129.9800/+30.9308+130.0000/+30.9253+130.0200/+30.9200+130.0250/+30.9027+130.0400/+30.9000+130.0439/+30.8981+130.0600/+30.8947+130.0800/+30.8850+130.1000/+30.8800+130.1060/+30.8787+130.1200/+30.8764+130.1400/+30.8642+130.1600/+30.8600+130.1644/+30.8594+130.1800/+30.8587+130.2000/+30.8523+130.2200/+30.8400+130.2325/+30.8399+130.2400/+30.8398+130.2600/+30.8394+130.2800/+30.8200+130.2995/+30.8200+130.3000/+30.8143+130.3200/+30.8000+130.3342/+30.7800+130.3264/+30.7736+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7824+130.2000/+30.8000+130.1804/+30.8000+130.1800/+30.8007+130.1600/+30.8019+130.1400/+30.8059+130.1200/+30.8199+130.1000/+30.8200+130.0998/+30.8215+130.0800/+30.8247+130.0600/+30.8322+130.0400/+30.8400+130.0288/+30.8417+130.0200/+30.8439+130.0000/+30.8458+129.9800/+30.8507+129.9600/+30.8600+129.9407/+30.8603+129.9400/+30.8684+129.9200/+30.8772+129.9000/+30.8800+129.8956/+30.8881+129.8800/+30.8951+129.8600/+30.9000+129.8504/+30.9073+129.8400/+30.9188+129.8200/+30.9200+129.8181/+30.9321+129.8000/+30.9400+129.7866/+30.9555+129.7800/+30.9600+129.7780/+30.9637+129.7800/+30.9800+129.7997/+30.9801+129.8000/ 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/+30.7918+130.2800/+30.8000+130.2699/+30.8081+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 +30.9832+129.8400/+30.9813+129.8600/+30.9804+129.8800/+30.9800+129.8816/+30.9746+129.9000/+30.9675+129.9200/+30.9600+129.9278/+30.9555+129.9400/+30.9509+129.9600/+30.9452+129.9800/+30.9400+129.9911/+30.9373+130.0000/+30.9325+130.0200/+30.9200+130.0321/+30.9156+130.0400/+30.9100+130.0600/+30.9000+130.0740/+30.8990+130.0800/+30.8960+130.1000/+30.8879+130.1200/+30.8800+130.1293/+30.8789+130.1400/+30.8766+130.1600/+30.8621+130.1800/+30.8600+130.1822/+30.8593+130.2000/+30.8580+130.2200/+30.8400+130.2393/+30.8400+130.2400/+30.8399+130.2600/+30.8397+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3312/+30.7688+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7802+130.2400/+30.7810+130.2200/+30.7882+130.2000/+30.8000+130.1863/+30.8004+130.1800/+30.8015+130.1600/+30.8048+130.1400/+30.8154+130.1200/+30.8200+130.1130/+30.8213+130.1000/+30.8242+130.0800/+30.8314+130.0600/+30.8400+130.0476/+30.8416+130.0400/+30.8458+130.0200/+30.8473+130.0000/+30.8539+129.9800/+30.8600+129.9675/+30.8636+129.9600/+30.8738+129.9400/+30.8800+129.9298/+30.8856+129.9200/+30.8947+129.9000/+30.9000+129.8907/+30.9080+129.8800/+30.9200+129.8612/+30.9217+129.8600/+30.9400+129.8416/+30.9411+129.8400/+30.9545+129.8200/+30.9600+129.8152/+30.9670+129.8200/+30.9800+129.8357/+30.9832+129.8400/ 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+130.2741/+30.8048+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 +30.9258+129.8600/+30.9358+129.8800/+30.9339+129.9000/+30.9316+129.9200/+30.9260+129.9400/+30.9231+129.9600/+30.9202+129.9800/+30.9200+129.9810/+30.9173+130.0000/+30.9011+130.0200/+30.9000+130.0212/+30.8970+130.0400/+30.8918+130.0600/+30.8842+130.0800/+30.8800+130.0869/+30.8787+130.1000/+30.8767+130.1200/+30.8713+130.1400/+30.8600+130.1553/+30.8596+130.1600/+30.8587+130.1800/+30.8572+130.2000/+30.8460+130.2200/+30.8400+130.2262/+30.8398+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2990/+30.8200+130.3000/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3335/+30.7665+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7653+130.2600/+30.7800+130.2450/+30.7801+130.2400/+30.7804+130.2200/+30.7811+130.2000/+30.7831+130.1800/+30.7892+130.1600/+30.8000+130.1439/+30.8003+130.1400/+30.8015+130.1200/+30.8033+130.1000/+30.8076+130.0800/+30.8128+130.0600/+30.8200+130.0420/+30.8202+130.0400/+30.8243+130.0200/+30.8272+130.0000/+30.8274+129.9800/+30.8400+129.9601/+30.8401+129.9600/+30.8469+129.9400/+30.8542+129.9200/+30.8600+129.9073/+30.8660+129.9000/+30.8761+129.8800/+30.8800+129.8740/+30.9000+129.8634/+30.9067+129.8600/+30.9200+129.8532/+30.9258+129.8600/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8036+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7964+130.2800/+30.8000+130.2757/+30.8036+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１２時から１２日６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１２時から１５時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　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　　　　　　　４０ｋｍ　　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。