2026-07-04T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-05T02:00:00+09:00 2026-07-05T03:00:00+09:00 2026-07-05T21:00:00+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、５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 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +30.9801+130.7000/+30.9836+130.7200/+30.9844+130.7400/+30.9853+130.7600/+30.9873+130.7800/+30.9860+130.8000/+30.9884+130.8200/+30.9920+130.8400/+30.9939+130.8600/+30.9921+130.8800/+30.9877+130.9000/+30.9821+130.9200/+30.9800+130.9230/+30.9600+130.9331/+30.9508+130.9200/+30.9400+130.9056/+30.9385+130.9000/+30.9309+130.8800/+30.9253+130.8600/+30.9217+130.8400/+30.9200+130.8260/+30.9193+130.8200/+30.9174+130.8000/+30.9060+130.7800/+30.9000+130.7613/+30.8997+130.7600/+30.8942+130.7400/+30.8908+130.7200/+30.8896+130.7000/+30.8820+130.6800/+30.8800+130.6730/+30.8753+130.6600/+30.8702+130.6400/+30.8645+130.6200/+30.8669+130.6000/+30.8628+130.5800/+30.8604+130.5600/+30.8600+130.5571/+30.8482+130.5400/+30.8424+130.5200/+30.8406+130.5000/+30.8400+130.4957/+30.8265+130.4800/+30.8212+130.4600/+30.8201+130.4400/+30.8200+130.4393/+30.8022+130.4200/+30.8003+130.4000/+30.8000+130.3936/+30.7864+130.3800/+30.7802+130.3600/+30.7800+130.3400/+30.7800+130.3395/+30.7606+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8399+130.3400/+30.8400+130.3416/+30.8584+130.3600/+30.8597+130.3800/+30.8600+130.3880/+30.8719+130.4000/+30.8790+130.4200/+30.8799+130.4400/+30.8800+130.4411/+30.8967+130.4600/+30.8990+130.4800/+30.9000+130.4916/+30.9075+130.5000/+30.9167+130.5200/+30.9193+130.5400/+30.9200+130.5460/+30.9298+130.5600/+30.9400+130.5742/+30.9457+130.5800/+30.9513+130.6000/+30.9546+130.6200/+30.9571+130.6400/+30.9590+130.6600/+30.9600+130.6643/+30.9753+130.6800/+30.9800+130.6995/+30.9801+130.7000/ 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/+30.8085+130.3400/+30.8000+130.3470/+30.7951+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 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +31.0241+130.8000/+31.0259+130.8200/+31.0276+130.8400/+31.0285+130.8600/+31.0286+130.8800/+31.0286+130.9000/+31.0253+130.9200/+31.0200+130.9347/+31.0166+130.9400/+31.0000+130.9530/+30.9934+130.9400/+30.9841+130.9200/+30.9800+130.9091/+30.9769+130.9000/+30.9685+130.8800/+30.9600+130.8622/+30.9587+130.8600/+30.9475+130.8400/+30.9400+130.8270/+30.9369+130.8200/+30.9358+130.8000/+30.9306+130.7800/+30.9262+130.7600/+30.9200+130.7471/+30.9133+130.7400/+30.9025+130.7200/+30.9049+130.7000/+30.9008+130.6800/+30.9000+130.6771/+30.8875+130.6600/+30.8800+130.6400/+30.8689+130.6200/+30.8781+130.6000/+30.8658+130.5800/+30.8616+130.5600/+30.8600+130.5510/+30.8516+130.5400/+30.8432+130.5200/+30.8407+130.5000/+30.8400+130.4957/+30.8265+130.4800/+30.8215+130.4600/+30.8201+130.4400/+30.8200+130.4393/+30.8020+130.4200/+30.8003+130.4000/+30.8000+130.3949/+30.7852+130.3800/+30.7802+130.3600/+30.7800+130.3400/+30.7800+130.3396/+30.7606+130.3200/+30.7615+130.3000/+30.7800+130.2815/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3004/+30.8396+130.3200/+30.8399+130.3400/+30.8400+130.3411/+30.8587+130.3600/+30.8598+130.3800/+30.8600+130.3835/+30.8761+130.4000/+30.8793+130.4200/+30.8800+130.4282/+30.8913+130.4400/+30.8983+130.4600/+30.9000+130.4765/+30.9032+130.4800/+30.9163+130.5000/+30.9192+130.5200/+30.9200+130.5254/+30.9303+130.5400/+30.9371+130.5600/+30.9400+130.5652/+30.9541+130.5800/+30.9573+130.6000/+30.9600+130.6157/+30.9638+130.6200/+30.9760+130.6400/+30.9800+130.6561/+30.9814+130.6600/+30.9908+130.6800/+30.9925+130.7000/+30.9946+130.7200/+30.9979+130.7400/+31.0000+130.7490/+31.0083+130.7600/+31.0186+130.7800/+31.0200+130.7845/+31.0241+130.8000/ 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/+30.8188+130.3200/+30.8110+130.3400/+30.8000+130.3499/+30.7929+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 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +30.9626+130.7600/+30.9661+130.7800/+30.9721+130.8000/+30.9724+130.8200/+30.9728+130.8400/+30.9726+130.8600/+30.9716+130.8800/+30.9705+130.9000/+30.9699+130.9200/+30.9691+130.9400/+30.9663+130.9600/+30.9600+130.9794/+30.9577+130.9800/+30.9400+130.9836/+30.9375+130.9800/+30.9244+130.9600/+30.9200+130.9510/+30.9146+130.9400/+30.9068+130.9200/+30.9000+130.9038/+30.8992+130.9000/+30.8895+130.8800/+30.8824+130.8600/+30.8800+130.8508/+30.8775+130.8400/+30.8737+130.8200/+30.8718+130.8000/+30.8661+130.7800/+30.8617+130.7600/+30.8600+130.7553/+30.8554+130.7400/+30.8519+130.7200/+30.8483+130.7000/+30.8444+130.6800/+30.8413+130.6600/+30.8400+130.6506/+30.8355+130.6400/+30.8282+130.6200/+30.8300+130.6000/+30.8254+130.5800/+30.8228+130.5600/+30.8214+130.5400/+30.8200+130.5269/+30.8159+130.5200/+30.8058+130.5000/+30.8028+130.4800/+30.8012+130.4600/+30.8002+130.4400/+30.8000+130.4376/+30.7863+130.4200/+30.7814+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3576/+30.7626+130.3400/+30.7604+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3012/+30.8388+130.3200/+30.8399+130.3400/+30.8400+130.3600/+30.8400+130.3609/+30.8585+130.3800/+30.8595+130.4000/+30.8600+130.4182/+30.8617+130.4200/+30.8772+130.4400/+30.8790+130.4600/+30.8800+130.4740/+30.8856+130.4800/+30.8955+130.5000/+30.8985+130.5200/+30.9000+130.5400/+30.9000+130.5401/+30.9129+130.5600/+30.9170+130.5800/+30.9200+130.5867/+30.9331+130.6000/+30.9354+130.6200/+30.9376+130.6400/+30.9400+130.6505/+30.9437+130.6600/+30.9488+130.6800/+30.9528+130.7000/+30.9549+130.7200/+30.9576+130.7400/+30.9600+130.7532/+30.9626+130.7600/ 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/+30.8116+130.3400/+30.8000+130.3541/+30.7905+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 2026-07-05T12:00:00+09:00 2026-07-05T15:00:00+09:00 降灰 70 +30.8863+130.6200/+30.8870+130.6400/+30.8868+130.6600/+30.8874+130.6800/+30.8886+130.7000/+30.8907+130.7200/+30.8896+130.7400/+30.8884+130.7600/+30.8893+130.7800/+30.8902+130.8000/+30.8875+130.8200/+30.8863+130.8400/+30.8847+130.8600/+30.8826+130.8800/+30.8802+130.9000/+30.8800+130.9021/+30.8785+130.9200/+30.8766+130.9400/+30.8747+130.9600/+30.8729+130.9800/+30.8708+131.0000/+30.8663+131.0200/+30.8600+131.0391/+30.8400+131.0383/+30.8336+131.0200/+30.8284+131.0000/+30.8262+130.9800/+30.8243+130.9600/+30.8221+130.9400/+30.8200+130.9213/+30.8199+130.9200/+30.8179+130.9000/+30.8147+130.8800/+30.8119+130.8600/+30.8096+130.8400/+30.8082+130.8200/+30.8073+130.8000/+30.8049+130.7800/+30.8031+130.7600/+30.8021+130.7400/+30.8000+130.7222/+30.7995+130.7200/+30.7955+130.7000/+30.7939+130.6800/+30.7920+130.6600/+30.7902+130.6400/+30.7886+130.6200/+30.8000+130.6067/+30.8017+130.6000/+30.8011+130.5800/+30.8004+130.5600/+30.8001+130.5400/+30.8000+130.5383/+30.7914+130.5200/+30.7873+130.5000/+30.7839+130.4800/+30.7819+130.4600/+30.7809+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3700/+30.7701+130.3600/+30.7605+130.3400/+30.7602+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3204/+30.8392+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4053/+30.8525+130.4200/+30.8570+130.4400/+30.8584+130.4600/+30.8589+130.4800/+30.8596+130.5000/+30.8600+130.5166/+30.8615+130.5200/+30.8697+130.5400/+30.8742+130.5600/+30.8757+130.5800/+30.8759+130.6000/+30.8800+130.6121/+30.8863+130.6200/ 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/+30.8100+130.3400/+30.8000+130.3546/+30.7900+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 2026-07-05T15:00:00+09:00 2026-07-05T18:00:00+09:00 降灰 70 +30.8858+130.6200/+30.8871+130.6400/+30.8862+130.6600/+30.8852+130.6800/+30.8839+130.7000/+30.8816+130.7200/+30.8800+130.7301/+30.8793+130.7400/+30.8776+130.7600/+30.8765+130.7800/+30.8753+130.8000/+30.8773+130.8200/+30.8743+130.8400/+30.8715+130.8600/+30.8694+130.8800/+30.8672+130.9000/+30.8628+130.9200/+30.8600+130.9306/+30.8527+130.9400/+30.8400+130.9580/+30.8207+130.9400/+30.8200+130.9393/+30.8070+130.9200/+30.8000+130.9033/+30.7995+130.9000/+30.7985+130.8800/+30.7975+130.8600/+30.7950+130.8400/+30.7945+130.8200/+30.7918+130.8000/+30.7907+130.7800/+30.7897+130.7600/+30.7864+130.7400/+30.7900+130.7200/+30.7887+130.7000/+30.7879+130.6800/+30.7871+130.6600/+30.7864+130.6400/+30.7860+130.6200/+30.7920+130.6000/+30.7882+130.5800/+30.7872+130.5600/+30.7857+130.5400/+30.7841+130.5200/+30.7829+130.5000/+30.7818+130.4800/+30.7811+130.4600/+30.7807+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3781/+30.7635+130.3600/+30.7604+130.3400/+30.7602+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3110/+30.8290+130.3200/+30.8394+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8400+130.3882/+30.8508+130.4000/+30.8570+130.4200/+30.8582+130.4400/+30.8587+130.4600/+30.8594+130.4800/+30.8600+130.4884/+30.8672+130.5000/+30.8720+130.5200/+30.8743+130.5400/+30.8749+130.5600/+30.8751+130.5800/+30.8764+130.6000/+30.8800+130.6122/+30.8858+130.6200/ 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/+30.8066+130.3400/+30.8000+130.3488/+30.7937+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 2026-07-05T18:00:00+09:00 2026-07-05T21:00:00+09:00 降灰 70 +30.9615+130.8200/+30.9633+130.8400/+30.9635+130.8600/+30.9624+130.8800/+30.9610+130.9000/+30.9600+130.9088/+30.9548+130.9200/+30.9416+130.9400/+30.9400+130.9419/+30.9393+130.9400/+30.9308+130.9200/+30.9211+130.9000/+30.9200+130.8985/+30.9022+130.8800/+30.9000+130.8784/+30.8929+130.8600/+30.8864+130.8400/+30.8810+130.8200/+30.8867+130.8000/+30.8818+130.7800/+30.8800+130.7730/+30.8748+130.7600/+30.8666+130.7400/+30.8615+130.7200/+30.8638+130.7000/+30.8600+130.6875/+30.8571+130.6800/+30.8514+130.6600/+30.8481+130.6400/+30.8447+130.6200/+30.8455+130.6000/+30.8432+130.5800/+30.8409+130.5600/+30.8400+130.5500/+30.8344+130.5400/+30.8247+130.5200/+30.8219+130.5000/+30.8205+130.4800/+30.8200+130.4745/+30.8082+130.4600/+30.8019+130.4400/+30.8006+130.4200/+30.8000+130.4037/+30.7964+130.4000/+30.7810+130.3800/+30.7801+130.3600/+30.7800+130.3537/+30.7663+130.3400/+30.7603+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3005/+30.8395+130.3200/+30.8399+130.3400/+30.8400+130.3418/+30.8576+130.3600/+30.8596+130.3800/+30.8600+130.3878/+30.8709+130.4000/+30.8776+130.4200/+30.8797+130.4400/+30.8800+130.4436/+30.8903+130.4600/+30.8962+130.4800/+30.8985+130.5000/+30.9000+130.5148/+30.9031+130.5200/+30.9109+130.5400/+30.9160+130.5600/+30.9169+130.5800/+30.9200+130.5869/+30.9316+130.6000/+30.9341+130.6200/+30.9374+130.6400/+30.9396+130.6600/+30.9400+130.6651/+30.9424+130.6800/+30.9486+130.7000/+30.9484+130.7200/+30.9495+130.7400/+30.9507+130.7600/+30.9514+130.7800/+30.9596+130.8000/+30.9600+130.8044/+30.9615+130.8200/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8190+130.3200/+30.8045+130.3400/+30.8000+130.3445/+30.7968+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 　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、５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。 　５日３時から５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 　０５日０３時から０６時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０６時から０９時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０９時から１２時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１５時から１８時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日１８時から２１時まで　東　　　　　　　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。