2026-07-04T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T11:00:00+09:00 2026-07-04T12:00:00+09:00 2026-07-05T06:00:00+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、４日２１時から２４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 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +30.9815+130.8000/+30.9810+130.8200/+30.9805+130.8400/+30.9801+130.8600/+30.9800+130.8673/+30.9799+130.8800/+30.9797+130.9000/+30.9772+130.9200/+30.9738+130.9400/+30.9715+130.9600/+30.9711+130.9800/+30.9704+131.0000/+30.9637+131.0200/+30.9600+131.0261/+30.9544+131.0200/+30.9400+131.0075/+30.9377+131.0000/+30.9351+130.9800/+30.9325+130.9600/+30.9277+130.9400/+30.9207+130.9200/+30.9200+130.9179/+30.9140+130.9000/+30.9057+130.8800/+30.9000+130.8687/+30.8962+130.8600/+30.8882+130.8400/+30.8816+130.8200/+30.8864+130.8000/+30.8827+130.7800/+30.8800+130.7649/+30.8780+130.7600/+30.8675+130.7400/+30.8615+130.7200/+30.8626+130.7000/+30.8600+130.6887/+30.8573+130.6800/+30.8515+130.6600/+30.8477+130.6400/+30.8449+130.6200/+30.8455+130.6000/+30.8422+130.5800/+30.8406+130.5600/+30.8400+130.5538/+30.8322+130.5400/+30.8241+130.5200/+30.8215+130.5000/+30.8201+130.4800/+30.8200+130.4789/+30.8047+130.4600/+30.8011+130.4400/+30.8002+130.4200/+30.8000+130.4148/+30.7878+130.4000/+30.7807+130.3800/+30.7801+130.3600/+30.7800+130.3548/+30.7656+130.3400/+30.7605+130.3200/+30.7619+130.3000/+30.7800+130.2819/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3007/+30.8393+130.3200/+30.8399+130.3400/+30.8400+130.3429/+30.8570+130.3600/+30.8595+130.3800/+30.8600+130.3924/+30.8675+130.4000/+30.8781+130.4200/+30.8797+130.4400/+30.8800+130.4427/+30.8939+130.4600/+30.8982+130.4800/+30.9000+130.4926/+30.9060+130.5000/+30.9147+130.5200/+30.9177+130.5400/+30.9200+130.5582/+30.9210+130.5600/+30.9332+130.5800/+30.9400+130.5963/+30.9416+130.6000/+30.9471+130.6200/+30.9504+130.6400/+30.9531+130.6600/+30.9568+130.6800/+30.9589+130.7000/+30.9600+130.7099/+30.9636+130.7200/+30.9695+130.7400/+30.9739+130.7600/+30.9770+130.7800/+30.9800+130.7930/+30.9815+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/+30.8127+130.3400/+30.8000+130.3536/+30.7910+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 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +30.9309+130.8200/+30.9294+130.8400/+30.9280+130.8600/+30.9270+130.8800/+30.9259+130.9000/+30.9260+130.9200/+30.9262+130.9400/+30.9265+130.9600/+30.9270+130.9800/+30.9275+131.0000/+30.9247+131.0200/+30.9206+131.0400/+30.9200+131.0431/+30.9157+131.0600/+30.9093+131.0800/+30.9000+131.0952/+30.8955+131.0800/+30.8901+131.0600/+30.8845+131.0400/+30.8800+131.0251/+30.8786+131.0200/+30.8734+131.0000/+30.8717+130.9800/+30.8699+130.9600/+30.8676+130.9400/+30.8647+130.9200/+30.8615+130.9000/+30.8600+130.8962/+30.8527+130.8800/+30.8446+130.8600/+30.8400+130.8500/+30.8365+130.8400/+30.8400+130.8340/+30.8433+130.8200/+30.8415+130.8000/+30.8400+130.7906/+30.8354+130.7800/+30.8292+130.7600/+30.8245+130.7400/+30.8305+130.7200/+30.8256+130.7000/+30.8205+130.6800/+30.8200+130.6769/+30.8157+130.6600/+30.8124+130.6400/+30.8089+130.6200/+30.8200+130.6079/+30.8219+130.6000/+30.8209+130.5800/+30.8200+130.5604/+30.8198+130.5600/+30.8081+130.5400/+30.8039+130.5200/+30.8018+130.5000/+30.8009+130.4800/+30.8003+130.4600/+30.8000+130.4519/+30.7897+130.4400/+30.7817+130.4200/+30.7804+130.4000/+30.7801+130.3800/+30.7801+130.3600/+30.7800+130.3589/+30.7614+130.3400/+30.7603+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3065/+30.8335+130.3200/+30.8397+130.3400/+30.8399+130.3600/+30.8400+130.3800/+30.8400+130.3815/+30.8569+130.4000/+30.8590+130.4200/+30.8596+130.4400/+30.8600+130.4557/+30.8636+130.4600/+30.8743+130.4800/+30.8774+130.5000/+30.8787+130.5200/+30.8795+130.5400/+30.8800+130.5456/+30.8893+130.5600/+30.8937+130.5800/+30.8969+130.6000/+30.8991+130.6200/+30.9000+130.6397/+30.9001+130.6400/+30.9082+130.6600/+30.9130+130.6800/+30.9139+130.7000/+30.9166+130.7200/+30.9169+130.7400/+30.9173+130.7600/+30.9183+130.7800/+30.9195+130.8000/+30.9200+130.8015/+30.9309+130.8200/ 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/+30.8104+130.3400/+30.8000+130.3542/+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 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +30.9066+130.7200/+30.9064+130.7400/+30.9062+130.7600/+30.9067+130.7800/+30.9072+130.8000/+30.9069+130.8200/+30.9065+130.8400/+30.9069+130.8600/+30.9081+130.8800/+30.9093+130.9000/+30.9094+130.9200/+30.9094+130.9400/+30.9092+130.9600/+30.9087+130.9800/+30.9082+131.0000/+30.9084+131.0200/+30.9086+131.0400/+30.9077+131.0600/+30.9053+131.0800/+30.9027+131.1000/+30.9018+131.1200/+30.9008+131.1400/+30.9000+131.1453/+30.8988+131.1400/+30.8970+131.1200/+30.8949+131.1000/+30.8891+131.0800/+30.8828+131.0600/+30.8800+131.0510/+30.8758+131.0400/+30.8620+131.0200/+30.8600+131.0182/+30.8509+131.0000/+30.8436+130.9800/+30.8400+130.9698/+30.8384+130.9600/+30.8345+130.9400/+30.8305+130.9200/+30.8273+130.9000/+30.8243+130.8800/+30.8219+130.8600/+30.8200+130.8442/+30.8195+130.8400/+30.8191+130.8200/+30.8168+130.8000/+30.8147+130.7800/+30.8130+130.7600/+30.8104+130.7400/+30.8120+130.7200/+30.8097+130.7000/+30.8075+130.6800/+30.8057+130.6600/+30.8041+130.6400/+30.8025+130.6200/+30.8075+130.6000/+30.8044+130.5800/+30.8027+130.5600/+30.8016+130.5400/+30.8010+130.5200/+30.8004+130.5000/+30.8000+130.4851/+30.7966+130.4800/+30.7849+130.4600/+30.7814+130.4400/+30.7805+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3679/+30.7721+130.3600/+30.7606+130.3400/+30.7602+130.3200/+30.7615+130.3000/+30.7800+130.2815/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3200/+30.8200+130.3206/+30.8392+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4083/+30.8508+130.4200/+30.8576+130.4400/+30.8587+130.4600/+30.8592+130.4800/+30.8596+130.5000/+30.8600+130.5143/+30.8635+130.5200/+30.8723+130.5400/+30.8753+130.5600/+30.8764+130.5800/+30.8775+130.6000/+30.8800+130.6069/+30.8924+130.6200/+30.8933+130.6400/+30.8936+130.6600/+30.8940+130.6800/+30.8945+130.7000/+30.9000+130.7128/+30.9066+130.7200/ 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/+30.8092+130.3400/+30.8000+130.3536/+30.7908+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 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +30.8836+130.8200/+30.8823+130.8400/+30.8810+130.8600/+30.8800+130.8759/+30.8797+130.8800/+30.8782+130.9000/+30.8771+130.9200/+30.8756+130.9400/+30.8739+130.9600/+30.8721+130.9800/+30.8698+131.0000/+30.8653+131.0200/+30.8600+131.0362/+30.8400+131.0262/+30.8383+131.0200/+30.8335+131.0000/+30.8304+130.9800/+30.8277+130.9600/+30.8247+130.9400/+30.8216+130.9200/+30.8200+130.9088/+30.8188+130.9000/+30.8159+130.8800/+30.8133+130.8600/+30.8103+130.8400/+30.8076+130.8200/+30.8060+130.8000/+30.8042+130.7800/+30.8026+130.7600/+30.8005+130.7400/+30.8000+130.7376/+30.7948+130.7200/+30.7926+130.7000/+30.7898+130.6800/+30.7879+130.6600/+30.7865+130.6400/+30.7852+130.6200/+30.8000+130.6000/+30.7950+130.5800/+30.7905+130.5600/+30.7864+130.5400/+30.7841+130.5200/+30.7824+130.5000/+30.7814+130.4800/+30.7808+130.4600/+30.7804+130.4400/+30.7802+130.4200/+30.7801+130.4000/+30.7800+130.3896/+30.7717+130.3800/+30.7612+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3200/+30.8200+130.3282/+30.8318+130.3400/+30.8392+130.3600/+30.8396+130.3800/+30.8397+130.4000/+30.8397+130.4200/+30.8397+130.4400/+30.8399+130.4600/+30.8400+130.4633/+30.8514+130.4800/+30.8554+130.5000/+30.8568+130.5200/+30.8577+130.5400/+30.8581+130.5600/+30.8584+130.5800/+30.8588+130.6000/+30.8600+130.6043/+30.8748+130.6200/+30.8747+130.6400/+30.8754+130.6600/+30.8757+130.6800/+30.8753+130.7000/+30.8753+130.7200/+30.8754+130.7400/+30.8757+130.7600/+30.8759+130.7800/+30.8761+130.8000/+30.8800+130.8121/+30.8836+130.8200/ 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/+30.8071+130.3400/+30.8000+130.3509/+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 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +30.8810+130.8200/+30.8800+130.8302/+30.8790+130.8400/+30.8764+130.8600/+30.8732+130.8800/+30.8692+130.9000/+30.8657+130.9200/+30.8611+130.9400/+30.8600+130.9460/+30.8400+130.9542/+30.8363+130.9400/+30.8298+130.9200/+30.8244+130.9000/+30.8200+130.8837/+30.8191+130.8800/+30.8150+130.8600/+30.8110+130.8400/+30.8070+130.8200/+30.8047+130.8000/+30.8039+130.7800/+30.8032+130.7600/+30.8006+130.7400/+30.8000+130.7375/+30.7954+130.7200/+30.7929+130.7000/+30.7905+130.6800/+30.7886+130.6600/+30.7872+130.6400/+30.7861+130.6200/+30.7970+130.6000/+30.7937+130.5800/+30.7886+130.5600/+30.7865+130.5400/+30.7846+130.5200/+30.7829+130.5000/+30.7818+130.4800/+30.7810+130.4600/+30.7806+130.4400/+30.7803+130.4200/+30.7801+130.4000/+30.7800+130.3888/+30.7729+130.3800/+30.7615+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3200/+30.8200+130.3213/+30.8384+130.3400/+30.8396+130.3600/+30.8397+130.3800/+30.8397+130.4000/+30.8399+130.4200/+30.8400+130.4236/+30.8515+130.4400/+30.8556+130.4600/+30.8569+130.4800/+30.8580+130.5000/+30.8586+130.5200/+30.8595+130.5400/+30.8600+130.5567/+30.8611+130.5600/+30.8637+130.5800/+30.8686+130.6000/+30.8771+130.6200/+30.8777+130.6400/+30.8783+130.6600/+30.8788+130.6800/+30.8791+130.7000/+30.8768+130.7200/+30.8765+130.7400/+30.8761+130.7600/+30.8765+130.7800/+30.8771+130.8000/+30.8800+130.8159/+30.8810+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/+30.8188+130.3200/+30.8012+130.3400/+30.8000+130.3418/+30.7988+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 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +30.9011+130.6400/+30.9066+130.6600/+30.9100+130.6800/+30.9105+130.7000/+30.9118+130.7200/+30.9115+130.7400/+30.9111+130.7600/+30.9104+130.7800/+30.9095+130.8000/+30.9144+130.8200/+30.9123+130.8400/+30.9101+130.8600/+30.9081+130.8800/+30.9058+130.9000/+30.9029+130.9200/+30.9000+130.9379/+30.8888+130.9200/+30.8800+130.9068/+30.8753+130.9000/+30.8600+130.8826/+30.8591+130.8800/+30.8522+130.8600/+30.8446+130.8400/+30.8446+130.8200/+30.8406+130.8000/+30.8400+130.7969/+30.8361+130.7800/+30.8324+130.7600/+30.8272+130.7400/+30.8280+130.7200/+30.8249+130.7000/+30.8203+130.6800/+30.8200+130.6778/+30.8159+130.6600/+30.8130+130.6400/+30.8095+130.6200/+30.8200+130.6036/+30.8207+130.6000/+30.8200+130.5876/+30.8178+130.5800/+30.8113+130.5600/+30.8057+130.5400/+30.8031+130.5200/+30.8017+130.5000/+30.8007+130.4800/+30.8000+130.4661/+30.7960+130.4600/+30.7870+130.4400/+30.7821+130.4200/+30.7806+130.4000/+30.7802+130.3800/+30.7800+130.3600/+30.7800+130.3596/+30.7609+130.3400/+30.7602+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3021/+30.8379+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3651/+30.8543+130.3800/+30.8586+130.4000/+30.8594+130.4200/+30.8600+130.4361/+30.8631+130.4400/+30.8749+130.4600/+30.8773+130.4800/+30.8790+130.5000/+30.8799+130.5200/+30.8800+130.5215/+30.8896+130.5400/+30.8930+130.5600/+30.8957+130.5800/+30.8983+130.6000/+30.8995+130.6200/+30.9000+130.6340/+30.9011+130.6400/ 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/+30.8000+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 　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、４日２１時から２４時までは火口から東方向に降灰が予想されます。 　４日１２時から５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 　０４日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　東　　　　　　　６０ｋｍ　　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 　 　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。