2026-10-10T17:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T02:00:00+09:00 2026-10-11T03:00:00+09:00 2026-10-11T21:00:00+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 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +31.0402+129.7600/+31.0400+129.7615/+31.0378+129.7800/+31.0372+129.8000/+31.0324+129.8200/+31.0289+129.8400/+31.0213+129.8600/+31.0200+129.8626/+31.0132+129.8800/+31.0000+129.8998/+30.9999+129.9000/+30.9935+129.9200/+30.9883+129.9400/+30.9800+129.9526/+30.9752+129.9600/+30.9600+129.9777/+30.9592+129.9800/+30.9552+130.0000/+30.9495+130.0200/+30.9400+130.0359/+30.9373+130.0400/+30.9200+130.0587/+30.9197+130.0600/+30.9152+130.0800/+30.9000+130.1000/+30.8973+130.1200/+30.8894+130.1400/+30.8800+130.1503/+30.8791+130.1600/+30.8764+130.1800/+30.8600+130.1985/+30.8599+130.2000/+30.8593+130.2200/+30.8554+130.2400/+30.8400+130.2556/+30.8399+130.2600/+30.8398+130.2800/+30.8328+130.3000/+30.8200+130.3129/+30.8110+130.3200/+30.8000+130.3308/+30.7847+130.3200/+30.7800+130.3199/+30.7604+130.3000/+30.7610+130.2800/+30.7800+130.2610/+30.7801+130.2600/+30.7802+130.2400/+30.7813+130.2200/+30.7999+130.2000/+30.8000+130.1998/+30.8006+130.1800/+30.8023+130.1600/+30.8104+130.1400/+30.8200+130.1289/+30.8209+130.1200/+30.8236+130.1000/+30.8318+130.0800/+30.8400+130.0692/+30.8415+130.0600/+30.8462+130.0400/+30.8551+130.0200/+30.8522+130.0000/+30.8600+129.9865/+30.8632+129.9800/+30.8698+129.9600/+30.8800+129.9411/+30.8805+129.9400/+30.8935+129.9200/+30.8950+129.9000/+30.9000+129.8906/+30.9088+129.8800/+30.9200+129.8642/+30.9222+129.8600/+30.9336+129.8400/+30.9400+129.8261/+30.9437+129.8200/+30.9600+129.8037/+30.9655+129.8000/+30.9772+129.7800/+30.9800+129.7756/+30.9911+129.7600/+31.0000+129.7478/+31.0200+129.7485/+31.0400+129.7579/+31.0402+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/+30.7884+130.2800/+30.8000+130.2661/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +31.1051+129.7800/+31.1193+129.8000/+31.1122+129.8200/+31.1058+129.8400/+31.1000+129.8497/+31.0949+129.8600/+31.0841+129.8800/+31.0800+129.8907/+31.0766+129.9000/+31.0633+129.9200/+31.0600+129.9274/+31.0508+129.9400/+31.0400+129.9481/+31.0340+129.9600/+31.0200+129.9744/+31.0160+129.9800/+31.0094+130.0000/+31.0000+130.0145/+30.9978+130.0200/+30.9873+130.0400/+30.9800+130.0537/+30.9715+130.0600/+30.9600+130.0671/+30.9506+130.0800/+30.9453+130.1000/+30.9400+130.1102/+30.9380+130.1200/+30.9281+130.1400/+30.9279+130.1600/+30.9200+130.1729/+30.9167+130.1800/+30.9155+130.2000/+30.9000+130.2135/+30.8935+130.2200/+30.8800+130.2330/+30.8770+130.2400/+30.8639+130.2600/+30.8600+130.2641/+30.8535+130.2800/+30.8400+130.2918/+30.8394+130.3000/+30.8200+130.3186/+30.8164+130.3200/+30.8000+130.3360/+30.7800+130.3289/+30.7711+130.3200/+30.7604+130.3000/+30.7627+130.2800/+30.7800+130.2626/+30.7801+130.2600/+30.7810+130.2400/+30.8000+130.2207/+30.8001+130.2200/+30.8014+130.2000/+30.8141+130.1800/+30.8200+130.1738/+30.8218+130.1600/+30.8318+130.1400/+30.8400+130.1301/+30.8418+130.1200/+30.8515+130.1000/+30.8600+130.0896/+30.8626+130.0800/+30.8720+130.0600/+30.8800+130.0500/+30.8843+130.0400/+30.9000+130.0201/+30.9000+130.0200/+30.9024+130.0000/+30.9134+129.9800/+30.9200+129.9685/+30.9246+129.9600/+30.9400+129.9400/+30.9588+129.9200/+30.9600+129.9187/+30.9689+129.9000/+30.9800+129.8849/+30.9848+129.8800/+31.0000+129.8631/+31.0033+129.8600/+31.0200+129.8409/+31.0211+129.8400/+31.0397+129.8200/+31.0400+129.8197/+31.0600+129.8099/+31.0755+129.8000/+31.0800+129.7955/+31.0962+129.7800/+31.1000+129.7766/+31.1051+129.7800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8123+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7902+130.2800/+30.8000+130.2681/+30.8123+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T09:00:00+09:00 2026-10-11T12:00:00+09:00 降灰 70 +31.0613+129.8000/+31.0600+129.8045/+31.0510+129.8200/+31.0471+129.8400/+31.0417+129.8600/+31.0400+129.8628/+31.0358+129.8800/+31.0298+129.9000/+31.0243+129.9200/+31.0200+129.9316/+31.0159+129.9400/+31.0000+129.9599/+31.0000+129.9600/+30.9940+129.9800/+30.9855+130.0000/+30.9800+130.0091/+30.9738+130.0200/+30.9600+130.0329/+30.9579+130.0400/+30.9400+130.0594/+30.9397+130.0600/+30.9344+130.0800/+30.9200+130.0968/+30.9193+130.1000/+30.9154+130.1200/+30.9000+130.1381/+30.8997+130.1400/+30.8973+130.1600/+30.8800+130.1796/+30.8799+130.1800/+30.8785+130.2000/+30.8601+130.2200/+30.8600+130.2201/+30.8596+130.2400/+30.8514+130.2600/+30.8400+130.2749/+30.8400+130.2800/+30.8400+130.2843/+30.8600+130.2992/+30.8644+130.3000/+30.8800+130.3060/+30.9000+130.3140/+30.9034+130.3200/+30.9000+130.3226/+30.8800+130.3256/+30.8600+130.3297/+30.8400+130.3312/+30.8200+130.3299/+30.8000+130.3368/+30.7800+130.3291/+30.7709+130.3200/+30.7603+130.3000/+30.7618+130.2800/+30.7800+130.2618/+30.7801+130.2600/+30.7808+130.2400/+30.8000+130.2206/+30.8001+130.2200/+30.8010+130.2000/+30.8112+130.1800/+30.8200+130.1709/+30.8210+130.1600/+30.8260+130.1400/+30.8400+130.1246/+30.8409+130.1200/+30.8448+130.1000/+30.8600+130.0817/+30.8605+130.0800/+30.8639+130.0600/+30.8800+130.0406/+30.8803+130.0400/+30.8848+130.0200/+30.8840+130.0000/+30.9000+129.9849/+30.9025+129.9800/+30.9076+129.9600/+30.9174+129.9400/+30.9200+129.9360/+30.9285+129.9200/+30.9360+129.9000/+30.9400+129.8930/+30.9524+129.8800/+30.9600+129.8707/+30.9683+129.8600/+30.9800+129.8452/+30.9842+129.8400/+30.9964+129.8200/+31.0000+129.8165/+31.0200+129.8120/+31.0316+129.8000/+31.0400+129.7902/+31.0600+129.7959/+31.0613+129.8000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8111+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2691/+30.8111+130.2800/ 北西 3 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 +31.0224+129.8200/+31.0255+129.8400/+31.0239+129.8600/+31.0200+129.8748/+31.0190+129.8800/+31.0125+129.9000/+31.0032+129.9200/+31.0000+129.9244/+30.9958+129.9400/+30.9889+129.9600/+30.9800+129.9783/+30.9793+129.9800/+30.9694+130.0000/+30.9600+130.0113/+30.9581+130.0200/+30.9539+130.0400/+30.9400+130.0542/+30.9359+130.0600/+30.9213+130.0800/+30.9200+130.0817/+30.9177+130.1000/+30.9038+130.1200/+30.9000+130.1240/+30.8983+130.1400/+30.8902+130.1600/+30.8800+130.1717/+30.8794+130.1800/+30.8762+130.2000/+30.8600+130.2172/+30.8598+130.2200/+30.8592+130.2400/+30.8400+130.2596/+30.8400+130.2600/+30.8399+130.2800/+30.8376+130.3000/+30.8250+130.3200/+30.8200+130.3255/+30.8000+130.3366/+30.7800+130.3282/+30.7718+130.3200/+30.7603+130.3000/+30.7615+130.2800/+30.7800+130.2615/+30.7801+130.2600/+30.7806+130.2400/+30.8000+130.2203/+30.8001+130.2200/+30.8007+130.2000/+30.8056+130.1800/+30.8200+130.1650/+30.8206+130.1600/+30.8231+130.1400/+30.8391+130.1200/+30.8400+130.1190/+30.8419+130.1000/+30.8478+130.0800/+30.8600+130.0654/+30.8613+130.0600/+30.8658+130.0400/+30.8799+130.0200/+30.8723+130.0000/+30.8800+129.9871/+30.8844+129.9800/+30.9000+129.9605/+30.9002+129.9600/+30.9066+129.9400/+30.9146+129.9200/+30.9200+129.9080/+30.9241+129.9000/+30.9346+129.8800/+30.9400+129.8669/+30.9439+129.8600/+30.9600+129.8426/+30.9636+129.8400/+30.9800+129.8202/+30.9802+129.8200/+30.9927+129.8000/+31.0000+129.7897/+31.0150+129.8000/+31.0200+129.8109/+31.0224+129.8200/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7919+130.2800/+30.8000+130.2703/+30.8100+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 +31.0011+129.7600/+31.0054+129.7800/+31.0081+129.8000/+31.0000+129.8194/+30.9995+129.8200/+30.9948+129.8400/+30.9894+129.8600/+30.9858+129.8800/+30.9809+129.9000/+30.9800+129.9032/+30.9745+129.9200/+30.9600+129.9362/+30.9588+129.9400/+30.9545+129.9600/+30.9481+129.9800/+30.9400+129.9972/+30.9392+130.0000/+30.9350+130.0200/+30.9200+130.0346/+30.9171+130.0400/+30.9109+130.0600/+30.9000+130.0743/+30.8991+130.0800/+30.8963+130.1000/+30.8910+130.1200/+30.8800+130.1332/+30.8792+130.1400/+30.8770+130.1600/+30.8634+130.1800/+30.8600+130.1840/+30.8596+130.2000/+30.8585+130.2200/+30.8415+130.2400/+30.8400+130.2419/+30.8399+130.2600/+30.8398+130.2800/+30.8385+130.3000/+30.8200+130.3077/+30.8138+130.3200/+30.8000+130.3331/+30.7800+130.3219/+30.7781+130.3200/+30.7602+130.3000/+30.7606+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7893+130.2000/+30.8000+130.1886/+30.8004+130.1800/+30.8012+130.1600/+30.8047+130.1400/+30.8200+130.1209/+30.8201+130.1200/+30.8215+130.1000/+30.8245+130.0800/+30.8352+130.0600/+30.8400+130.0520/+30.8414+130.0400/+30.8453+130.0200/+30.8460+130.0000/+30.8512+129.9800/+30.8600+129.9612/+30.8606+129.9600/+30.8694+129.9400/+30.8800+129.9206/+30.8803+129.9200/+30.8862+129.9000/+30.8943+129.8800/+30.9000+129.8652/+30.9028+129.8600/+30.9200+129.8415/+30.9218+129.8400/+30.9334+129.8200/+30.9400+129.8074/+30.9502+129.8000/+30.9600+129.7912/+30.9800+129.7832/+30.9845+129.7800/+30.9987+129.7600/+31.0000+129.7578/+31.0011+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7900+130.2800/+30.8000+130.2680/+30.8100+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 +31.0610+129.7400/+31.0600+129.7469/+31.0565+129.7600/+31.0484+129.7800/+31.0445+129.8000/+31.0400+129.8112/+31.0377+129.8200/+31.0340+129.8400/+31.0289+129.8600/+31.0209+129.8800/+31.0200+129.8822/+31.0092+129.9000/+31.0000+129.9082/+30.9952+129.9200/+30.9914+129.9400/+30.9800+129.9600/+30.9800+129.9601/+30.9688+129.9800/+30.9600+129.9910/+30.9581+130.0000/+30.9542+130.0200/+30.9465+130.0400/+30.9400+130.0464/+30.9242+130.0600/+30.9200+130.0654/+30.9179+130.0800/+30.9083+130.1000/+30.9000+130.1096/+30.8987+130.1200/+30.8951+130.1400/+30.8800+130.1571/+30.8797+130.1600/+30.8783+130.1800/+30.8615+130.2000/+30.8600+130.2015/+30.8596+130.2200/+30.8576+130.2400/+30.8400+130.2578/+30.8399+130.2600/+30.8398+130.2800/+30.8324+130.3000/+30.8200+130.3124/+30.8092+130.3200/+30.8000+130.3291/+30.7856+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7612+130.2800/+30.7800+130.2612/+30.7801+130.2600/+30.7803+130.2400/+30.7867+130.2200/+30.8000+130.2066/+30.8003+130.2000/+30.8018+130.1800/+30.8200+130.1600/+30.8211+130.1400/+30.8256+130.1200/+30.8400+130.1035/+30.8406+130.1000/+30.8431+130.0800/+30.8533+130.0600/+30.8600+130.0518/+30.8622+130.0400/+30.8681+130.0200/+30.8658+130.0000/+30.8744+129.9800/+30.8800+129.9691/+30.8845+129.9600/+30.9000+129.9430/+30.9014+129.9400/+30.9081+129.9200/+30.9124+129.9000/+30.9200+129.8935/+30.9269+129.8800/+30.9327+129.8600/+30.9400+129.8447/+30.9431+129.8400/+30.9548+129.8200/+30.9600+129.8133/+30.9696+129.8000/+30.9794+129.7800/+30.9800+129.7790/+30.9940+129.7600/+31.0000+129.7529/+31.0200+129.7457/+31.0267+129.7400/+31.0400+129.7214/+31.0600+129.7293/+31.0610+129.7400/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8105+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7895+130.2800/+30.8000+130.2672/+30.8105+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。 　１１日３時から１１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 　１１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日１８時から２１時まで　北西　　　　　　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。