2026-07-03T11:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T20:00:00+09:00 2026-07-03T21:00:00+09:00 2026-07-04T15:00:00+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、３日２１時から２４時までは火口から東方向、４日０９時から１２時までは火口から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 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 2026-07-03T21:00:00+09:00 2026-07-04T00:00:00+09:00 降灰 70 +30.9409+130.6200/+30.9426+130.6400/+30.9473+130.6600/+30.9498+130.6800/+30.9481+130.7000/+30.9463+130.7200/+30.9452+130.7400/+30.9437+130.7600/+30.9400+130.7773/+30.9393+130.7800/+30.9313+130.8000/+30.9200+130.8091/+30.9101+130.8000/+30.9000+130.7834/+30.8981+130.7800/+30.8877+130.7600/+30.8800+130.7412/+30.8796+130.7400/+30.8740+130.7200/+30.8667+130.7000/+30.8628+130.6800/+30.8600+130.6687/+30.8580+130.6600/+30.8532+130.6400/+30.8468+130.6200/+30.8451+130.6000/+30.8401+130.5800/+30.8400+130.5796/+30.8324+130.5600/+30.8269+130.5400/+30.8233+130.5200/+30.8201+130.5000/+30.8200+130.4995/+30.8094+130.4800/+30.8050+130.4600/+30.8020+130.4400/+30.8004+130.4200/+30.8000+130.4169/+30.7863+130.4000/+30.7812+130.3800/+30.7802+130.3600/+30.7800+130.3550/+30.7650+130.3400/+30.7602+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3004/+30.8396+130.3200/+30.8399+130.3400/+30.8400+130.3413/+30.8583+130.3600/+30.8597+130.3800/+30.8600+130.3834/+30.8754+130.4000/+30.8789+130.4200/+30.8800+130.4321/+30.8868+130.4400/+30.8969+130.4600/+30.8994+130.4800/+30.9000+130.4830/+30.9120+130.5000/+30.9157+130.5200/+30.9188+130.5400/+30.9200+130.5475/+30.9266+130.5600/+30.9352+130.5800/+30.9387+130.6000/+30.9400+130.6138/+30.9409+130.6200/ 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/+30.7813+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 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +31.0224+130.7600/+31.0248+130.7800/+31.0271+130.8000/+31.0277+130.8200/+31.0285+130.8400/+31.0270+130.8600/+31.0205+130.8800/+31.0200+130.8811/+31.0044+130.9000/+31.0000+130.9049/+30.9979+130.9000/+30.9856+130.8800/+30.9800+130.8685/+30.9764+130.8600/+30.9698+130.8400/+30.9633+130.8200/+30.9600+130.8109/+30.9557+130.8000/+30.9424+130.7800/+30.9400+130.7723/+30.9368+130.7600/+30.9312+130.7400/+30.9272+130.7200/+30.9200+130.7025/+30.9186+130.7000/+30.9101+130.6800/+30.9049+130.6600/+30.9014+130.6400/+30.9000+130.6344/+30.8876+130.6200/+30.8853+130.6000/+30.8828+130.5800/+30.8800+130.5682/+30.8730+130.5600/+30.8638+130.5400/+30.8607+130.5200/+30.8600+130.5172/+30.8452+130.5000/+30.8409+130.4800/+30.8400+130.4732/+30.8280+130.4600/+30.8210+130.4400/+30.8200+130.4276/+30.8126+130.4200/+30.8007+130.4000/+30.8000+130.3800/+30.7803+130.3600/+30.7800+130.3400/+30.7800+130.3395/+30.7606+130.3200/+30.7611+130.3000/+30.7800+130.2811/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8400+130.3400/+30.8400+130.3405/+30.8593+130.3600/+30.8599+130.3800/+30.8600+130.3813/+30.8783+130.4000/+30.8797+130.4200/+30.8800+130.4223/+30.8967+130.4400/+30.8994+130.4600/+30.9000+130.4648/+30.9139+130.4800/+30.9185+130.5000/+30.9200+130.5101/+30.9286+130.5200/+30.9371+130.5400/+30.9400+130.5574/+30.9425+130.5600/+30.9576+130.5800/+30.9600+130.5911/+30.9692+130.6000/+30.9789+130.6200/+30.9800+130.6235/+30.9865+130.6400/+30.9906+130.6600/+30.9942+130.6800/+30.9982+130.7000/+31.0000+130.7065/+31.0080+130.7200/+31.0147+130.7400/+31.0200+130.7542/+31.0224+130.7600/ 北東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8023+130.3400/+30.8000+130.3415/+30.7989+130.3400/+30.7813+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0428+130.8800/+31.0484+130.9000/+31.0497+130.9200/+31.0518+130.9400/+31.0467+130.9600/+31.0400+130.9666/+31.0367+130.9600/+31.0253+130.9400/+31.0200+130.9351/+31.0000+130.9280/+30.9949+130.9200/+30.9854+130.9000/+30.9800+130.8844/+30.9787+130.8800/+30.9736+130.8600/+30.9684+130.8400/+30.9627+130.8200/+30.9600+130.8095/+30.9566+130.8000/+30.9465+130.7800/+30.9400+130.7622/+30.9394+130.7600/+30.9320+130.7400/+30.9280+130.7200/+30.9228+130.7000/+30.9200+130.6912/+30.9145+130.6800/+30.9072+130.6600/+30.9042+130.6400/+30.9008+130.6200/+30.9000+130.6175/+30.8875+130.6000/+30.8858+130.5800/+30.8815+130.5600/+30.8800+130.5515/+30.8694+130.5400/+30.8620+130.5200/+30.8600+130.5007/+30.8593+130.5000/+30.8419+130.4800/+30.8403+130.4600/+30.8400+130.4587/+30.8220+130.4400/+30.8203+130.4200/+30.8200+130.4189/+30.8013+130.4000/+30.8001+130.3800/+30.8000+130.3794/+30.7806+130.3600/+30.7801+130.3400/+30.7800+130.3390/+30.7610+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3400/+30.8400+130.3401/+30.8596+130.3600/+30.8600+130.3800/+30.8600+130.3802/+30.8792+130.4000/+30.8799+130.4200/+30.8800+130.4205/+30.8984+130.4400/+30.8998+130.4600/+30.9000+130.4616/+30.9169+130.4800/+30.9194+130.5000/+30.9200+130.5034/+30.9347+130.5200/+30.9387+130.5400/+30.9400+130.5479/+30.9519+130.5600/+30.9589+130.5800/+30.9600+130.5846/+30.9772+130.6000/+30.9800+130.6065/+30.9865+130.6200/+30.9917+130.6400/+30.9959+130.6600/+30.9994+130.6800/+31.0000+130.6822/+31.0135+130.7000/+31.0200+130.7168/+31.0209+130.7200/+31.0245+130.7400/+31.0319+130.7600/+31.0339+130.7800/+31.0359+130.8000/+31.0364+130.8200/+31.0373+130.8400/+31.0390+130.8600/+31.0400+130.8667/+31.0428+130.8800/ 北東 70 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/+30.8133+130.3400/+30.8000+130.3459/+30.7941+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 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +31.0020+130.9600/+31.0046+130.9800/+31.0073+131.0000/+31.0053+131.0200/+31.0028+131.0400/+31.0000+131.0537/+30.9964+131.0400/+30.9911+131.0200/+30.9844+131.0000/+30.9800+130.9836/+30.9779+130.9800/+30.9600+130.9702/+30.9525+130.9600/+30.9400+130.9437/+30.9388+130.9400/+30.9333+130.9200/+30.9286+130.9000/+30.9221+130.8800/+30.9200+130.8729/+30.9166+130.8600/+30.9116+130.8400/+30.9057+130.8200/+30.9000+130.8072/+30.8977+130.8000/+30.8916+130.7800/+30.8869+130.7600/+30.8809+130.7400/+30.8800+130.7368/+30.8711+130.7200/+30.8681+130.7000/+30.8625+130.6800/+30.8600+130.6713/+30.8559+130.6600/+30.8506+130.6400/+30.8469+130.6200/+30.8479+130.6000/+30.8429+130.5800/+30.8406+130.5600/+30.8400+130.5568/+30.8297+130.5400/+30.8241+130.5200/+30.8217+130.5000/+30.8200+130.4800/+30.8200+130.4798/+30.8050+130.4600/+30.8015+130.4400/+30.8004+130.4200/+30.8000+130.4148/+30.7866+130.4000/+30.7808+130.3800/+30.7801+130.3600/+30.7800+130.3543/+30.7658+130.3400/+30.7605+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3006/+30.8394+130.3200/+30.8399+130.3400/+30.8400+130.3421/+30.8578+130.3600/+30.8596+130.3800/+30.8600+130.3893/+30.8705+130.4000/+30.8785+130.4200/+30.8797+130.4400/+30.8800+130.4419/+30.8956+130.4600/+30.8986+130.4800/+30.9000+130.4957/+30.9037+130.5000/+30.9153+130.5200/+30.9186+130.5400/+30.9200+130.5535/+30.9237+130.5600/+30.9396+130.5800/+30.9400+130.5814/+30.9473+130.6000/+30.9514+130.6200/+30.9542+130.6400/+30.9562+130.6600/+30.9600+130.6770/+30.9632+130.6800/+30.9708+130.7000/+30.9759+130.7200/+30.9798+130.7400/+30.9800+130.7411/+30.9829+130.7600/+30.9855+130.7800/+30.9861+130.8000/+30.9876+130.8200/+30.9894+130.8400/+30.9903+130.8600/+30.9897+130.8800/+30.9887+130.9000/+30.9907+130.9200/+30.9959+130.9400/+31.0000+130.9476/+31.0020+130.9600/ 東 70 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/+30.8147+130.3400/+30.8000+130.3541/+30.7898+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 2026-07-04T09:00:00+09:00 2026-07-04T12:00:00+09:00 降灰 70 +30.9632+130.8000/+30.9642+130.8200/+30.9652+130.8400/+30.9664+130.8600/+30.9678+130.8800/+30.9693+130.9000/+30.9682+130.9200/+30.9669+130.9400/+30.9669+130.9600/+30.9685+130.9800/+30.9703+131.0000/+30.9677+131.0200/+30.9641+131.0400/+30.9600+131.0522/+30.9400+131.0455/+30.9382+131.0400/+30.9332+131.0200/+30.9286+131.0000/+30.9262+130.9800/+30.9231+130.9600/+30.9200+130.9502/+30.9162+130.9400/+30.9040+130.9200/+30.9000+130.9146/+30.8947+130.9000/+30.8858+130.8800/+30.8800+130.8618/+30.8795+130.8600/+30.8742+130.8400/+30.8699+130.8200/+30.8693+130.8000/+30.8620+130.7800/+30.8600+130.7722/+30.8575+130.7600/+30.8526+130.7400/+30.8501+130.7200/+30.8490+130.7000/+30.8465+130.6800/+30.8445+130.6600/+30.8427+130.6400/+30.8400+130.6200/+30.8406+130.6000/+30.8400+130.5923/+30.8341+130.5800/+30.8256+130.5600/+30.8226+130.5400/+30.8211+130.5200/+30.8200+130.5074/+30.8140+130.5000/+30.8053+130.4800/+30.8016+130.4600/+30.8005+130.4400/+30.8000+130.4200/+30.8000+130.4197/+30.7821+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3572/+30.7630+130.3400/+30.7604+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3017/+30.8383+130.3200/+30.8399+130.3400/+30.8399+130.3600/+30.8400+130.3612/+30.8582+130.3800/+30.8595+130.4000/+30.8599+130.4200/+30.8600+130.4212/+30.8763+130.4400/+30.8788+130.4600/+30.8798+130.4800/+30.8800+130.4819/+30.8933+130.5000/+30.8970+130.5200/+30.8986+130.5400/+30.9000+130.5510/+30.9067+130.5600/+30.9128+130.5800/+30.9200+130.5910/+30.9291+130.6000/+30.9320+130.6200/+30.9344+130.6400/+30.9360+130.6600/+30.9386+130.6800/+30.9400+130.6836/+30.9487+130.7000/+30.9500+130.7200/+30.9512+130.7400/+30.9524+130.7600/+30.9533+130.7800/+30.9600+130.7969/+30.9632+130.8000/ 東 70 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/+30.8113+130.3400/+30.8000+130.3544/+30.7903+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 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +30.9219+130.8200/+30.9218+130.8400/+30.9208+130.8600/+30.9200+130.8681/+30.9187+130.8800/+30.9161+130.9000/+30.9142+130.9200/+30.9120+130.9400/+30.9100+130.9600/+30.9085+130.9800/+30.9068+131.0000/+30.9062+131.0200/+30.9055+131.0400/+30.9047+131.0600/+30.9037+131.0800/+30.9026+131.1000/+30.9000+131.1178/+30.8943+131.1000/+30.8907+131.0800/+30.8860+131.0600/+30.8808+131.0400/+30.8800+131.0364/+30.8758+131.0200/+30.8700+131.0000/+30.8600+130.9920/+30.8546+130.9800/+30.8459+130.9600/+30.8400+130.9471/+30.8385+130.9400/+30.8345+130.9200/+30.8312+130.9000/+30.8267+130.8800/+30.8232+130.8600/+30.8205+130.8400/+30.8200+130.8278/+30.8197+130.8200/+30.8174+130.8000/+30.8154+130.7800/+30.8138+130.7600/+30.8115+130.7400/+30.8124+130.7200/+30.8109+130.7000/+30.8088+130.6800/+30.8060+130.6600/+30.8033+130.6400/+30.8010+130.6200/+30.8054+130.6000/+30.8037+130.5800/+30.8023+130.5600/+30.8016+130.5400/+30.8007+130.5200/+30.8001+130.5000/+30.8000+130.4988/+30.7892+130.4800/+30.7841+130.4600/+30.7816+130.4400/+30.7807+130.4200/+30.7803+130.4000/+30.7801+130.3800/+30.7800+130.3667/+30.7736+130.3600/+30.7607+130.3400/+30.7602+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2807/+30.8193+130.3000/+30.8200+130.3079/+30.8321+130.3200/+30.8396+130.3400/+30.8399+130.3600/+30.8399+130.3800/+30.8400+130.3819/+30.8562+130.4000/+30.8587+130.4200/+30.8593+130.4400/+30.8599+130.4600/+30.8600+130.4617/+30.8720+130.4800/+30.8758+130.5000/+30.8780+130.5200/+30.8791+130.5400/+30.8798+130.5600/+30.8800+130.5626/+30.8880+130.5800/+30.8937+130.6000/+30.8972+130.6200/+30.8980+130.6400/+30.8988+130.6600/+30.9000+130.6777/+30.9007+130.6800/+30.9056+130.7000/+30.9125+130.7200/+30.9123+130.7400/+30.9121+130.7600/+30.9124+130.7800/+30.9128+130.8000/+30.9200+130.8175/+30.9219+130.8200/ 東 80 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/+30.8114+130.3400/+30.8000+130.3552/+30.7805+130.3400/+30.7800+130.3390/+30.7733+130.3200/+30.7800+130.3133/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 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、３日２１時から２４時までは火口から東方向、４日０９時から１２時までは火口から東方向に降灰が予想されます。 　３日２１時から４日１５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 　０３日２１時から２４時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０４日００時から０３時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　東　　　　　　　８０ｋｍ　　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。