2026-07-05T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-06T02:00:00+09:00 2026-07-06T03:00:00+09:00 2026-07-06T21:00:00+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、６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 鹿児島県西之表市 4621300 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 鹿児島県西之表市 4621300 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 2026-07-06T03:00:00+09:00 2026-07-06T06:00:00+09:00 降灰 70 +31.0007+130.9600/+31.0042+130.9800/+31.0076+131.0000/+31.0064+131.0200/+31.0049+131.0400/+31.0019+131.0600/+31.0000+131.0682/+30.9982+131.0600/+30.9944+131.0400/+30.9908+131.0200/+30.9862+131.0000/+30.9887+130.9800/+30.9964+130.9600/+31.0000+130.9527/+31.0007+130.9600/ 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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/+30.8116+130.3400/+30.8000+130.3513/+30.7922+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 2026-07-06T06:00:00+09:00 2026-07-06T09:00:00+09:00 降灰 70 +30.9407+130.7200/+30.9416+130.7400/+30.9425+130.7600/+30.9419+130.7800/+30.9416+130.8000/+30.9400+130.8065/+30.9366+130.8200/+30.9354+130.8400/+30.9354+130.8600/+30.9373+130.8800/+30.9399+130.9000/+30.9363+130.9200/+30.9312+130.9400/+30.9239+130.9600/+30.9200+130.9673/+30.9082+130.9800/+30.9000+130.9849/+30.8979+130.9800/+30.8904+130.9600/+30.8845+130.9400/+30.8800+130.9204/+30.8799+130.9200/+30.8761+130.9000/+30.8747+130.8800/+30.8733+130.8600/+30.8700+130.8400/+30.8621+130.8200/+30.8600+130.8139/+30.8573+130.8000/+30.8524+130.7800/+30.8492+130.7600/+30.8465+130.7400/+30.8464+130.7200/+30.8437+130.7000/+30.8413+130.6800/+30.8400+130.6696/+30.8357+130.6600/+30.8288+130.6400/+30.8220+130.6200/+30.8273+130.6000/+30.8239+130.5800/+30.8221+130.5600/+30.8206+130.5400/+30.8200+130.5320/+30.8135+130.5200/+30.8059+130.5000/+30.8025+130.4800/+30.8010+130.4600/+30.8003+130.4400/+30.8000+130.4353/+30.7871+130.4200/+30.7812+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3564/+30.7636+130.3400/+30.7603+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3016/+30.8384+130.3200/+30.8399+130.3400/+30.8399+130.3600/+30.8400+130.3639/+30.8558+130.3800/+30.8592+130.4000/+30.8597+130.4200/+30.8600+130.4279/+30.8710+130.4400/+30.8774+130.4600/+30.8789+130.4800/+30.8800+130.4995/+30.8804+130.5000/+30.8936+130.5200/+30.8971+130.5400/+30.8984+130.5600/+30.9000+130.5798/+30.9001+130.5800/+30.9188+130.6000/+30.9200+130.6078/+30.9229+130.6200/+30.9261+130.6400/+30.9296+130.6600/+30.9318+130.6800/+30.9393+130.7000/+30.9400+130.7102/+30.9407+130.7200/ 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/+30.8081+130.3400/+30.8000+130.3502/+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 2026-07-06T09:00:00+09:00 2026-07-06T12:00:00+09:00 降灰 70 +30.8829+130.6200/+30.8809+130.6400/+30.8829+130.6600/+30.8833+130.6800/+30.8822+130.7000/+30.8843+130.7200/+30.8844+130.7400/+30.8845+130.7600/+30.8810+130.7800/+30.8800+130.7851/+30.8777+130.8000/+30.8784+130.8200/+30.8767+130.8400/+30.8739+130.8600/+30.8698+130.8800/+30.8644+130.9000/+30.8615+130.9200/+30.8600+130.9298/+30.8562+130.9400/+30.8487+130.9600/+30.8400+130.9799/+30.8201+130.9600/+30.8200+130.9599/+30.8065+130.9400/+30.8000+130.9294/+30.7990+130.9200/+30.7969+130.9000/+30.7926+130.8800/+30.7892+130.8600/+30.7856+130.8400/+30.7837+130.8200/+30.7816+130.8000/+30.7806+130.7800/+30.7800+130.7689/+30.7796+130.7600/+30.7772+130.7400/+30.7800+130.7243/+30.7806+130.7200/+30.7800+130.7120/+30.7785+130.7000/+30.7757+130.6800/+30.7720+130.6600/+30.7684+130.6400/+30.7665+130.6200/+30.7760+130.6000/+30.7714+130.5800/+30.7697+130.5600/+30.7684+130.5400/+30.7682+130.5200/+30.7666+130.5000/+30.7650+130.4800/+30.7642+130.4600/+30.7631+130.4400/+30.7621+130.4200/+30.7613+130.4000/+30.7608+130.3800/+30.7604+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8392+130.3400/+30.8397+130.3600/+30.8397+130.3800/+30.8400+130.4000/+30.8400+130.4006/+30.8549+130.4200/+30.8573+130.4400/+30.8581+130.4600/+30.8588+130.4800/+30.8600+130.4963/+30.8624+130.5000/+30.8682+130.5200/+30.8722+130.5400/+30.8729+130.5600/+30.8745+130.5800/+30.8758+130.6000/+30.8800+130.6161/+30.8829+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/+30.8079+130.3400/+30.8000+130.3510/+30.7800+130.3458/+30.7763+130.3400/+30.7650+130.3200/+30.7800+130.3050/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 4 鹿児島県三島村 4630300 2026-07-06T12:00:00+09:00 2026-07-06T15:00:00+09:00 降灰 70 +30.8195+130.3000/+30.8199+130.3200/+30.8199+130.3400/+30.8199+130.3600/+30.8198+130.3800/+30.8197+130.4000/+30.8195+130.4200/+30.8191+130.4400/+30.8187+130.4600/+30.8179+130.4800/+30.8171+130.5000/+30.8150+130.5200/+30.8126+130.5400/+30.8120+130.5600/+30.8090+130.5800/+30.8005+130.6000/+30.8127+130.6200/+30.8092+130.6400/+30.8056+130.6600/+30.8002+130.6800/+30.8000+130.6808/+30.7956+130.7000/+30.7904+130.7200/+30.7896+130.7400/+30.7856+130.7600/+30.7827+130.7800/+30.7800+130.7942/+30.7787+130.8000/+30.7721+130.8200/+30.7692+130.8400/+30.7609+130.8600/+30.7600+130.8620/+30.7493+130.8800/+30.7400+130.8967/+30.7385+130.9000/+30.7356+130.9200/+30.7329+130.9400/+30.7289+130.9600/+30.7223+130.9800/+30.7200+130.9861/+30.7139+131.0000/+30.7009+131.0200/+30.7000+131.0211/+30.6800+131.0228/+30.6600+131.0268/+30.6557+131.0200/+30.6473+131.0000/+30.6501+130.9800/+30.6520+130.9600/+30.6577+130.9400/+30.6600+130.9352/+30.6653+130.9200/+30.6702+130.9000/+30.6729+130.8800/+30.6754+130.8600/+30.6772+130.8400/+30.6787+130.8200/+30.6800+130.8184/+30.6887+130.8000/+30.6904+130.7800/+30.6919+130.7600/+30.6923+130.7400/+30.6927+130.7200/+30.7000+130.7024/+30.7009+130.7000/+30.7021+130.6800/+30.7047+130.6600/+30.7108+130.6400/+30.7193+130.6200/+30.7200+130.6194/+30.7233+130.6000/+30.7254+130.5800/+30.7283+130.5600/+30.7339+130.5400/+30.7400+130.5286/+30.7404+130.5200/+30.7409+130.5000/+30.7413+130.4800/+30.7417+130.4600/+30.7423+130.4400/+30.7439+130.4200/+30.7505+130.4000/+30.7600+130.3892/+30.7601+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2805/+30.8195+130.3000/ 東 70 鹿児島県西之表市 4621300 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/+30.8061+130.3400/+30.8000+130.3486/+30.7800+130.3506/+30.7729+130.3400/+30.7631+130.3200/+30.7800+130.3031/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 4 鹿児島県三島村 4630300 2026-07-06T15:00:00+09:00 2026-07-06T18:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8198+130.3800/+30.8197+130.4000/+30.8195+130.4200/+30.8192+130.4400/+30.8187+130.4600/+30.8180+130.4800/+30.8166+130.5000/+30.8159+130.5200/+30.8128+130.5400/+30.8074+130.5600/+30.8019+130.5800/+30.8000+130.5943/+30.7998+130.6000/+30.8000+130.6013/+30.8086+130.6200/+30.8028+130.6400/+30.8000+130.6490/+30.7975+130.6600/+30.7903+130.6800/+30.7800+130.6951/+30.7785+130.7000/+30.7760+130.7200/+30.7790+130.7400/+30.7707+130.7600/+30.7600+130.7799/+30.7599+130.7800/+30.7526+130.8000/+30.7465+130.8200/+30.7400+130.8326/+30.7329+130.8400/+30.7247+130.8600/+30.7200+130.8725/+30.7170+130.8800/+30.7079+130.9000/+30.7050+130.9200/+30.7022+130.9400/+30.7000+130.9458/+30.6814+130.9600/+30.6800+130.9608/+30.6600+130.9748/+30.6426+130.9600/+30.6487+130.9400/+30.6600+130.9292/+30.6788+130.9200/+30.6800+130.9184/+30.6857+130.9000/+30.6800+130.8840/+30.6791+130.8800/+30.6761+130.8600/+30.6751+130.8400/+30.6750+130.8200/+30.6800+130.8080/+30.6826+130.8000/+30.6865+130.7800/+30.6892+130.7600/+30.6910+130.7400/+30.6925+130.7200/+30.6986+130.7000/+30.7000+130.6936/+30.7018+130.6800/+30.7054+130.6600/+30.7113+130.6400/+30.7182+130.6200/+30.7200+130.6185/+30.7235+130.6000/+30.7259+130.5800/+30.7309+130.5600/+30.7379+130.5400/+30.7400+130.5369/+30.7410+130.5200/+30.7414+130.5000/+30.7419+130.4800/+30.7423+130.4600/+30.7435+130.4400/+30.7473+130.4200/+30.7600+130.4014/+30.7600+130.4000/+30.7601+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2803/+30.8197+130.3000/ 東 60 鹿児島県西之表市 4621300 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/+30.8000+130.3400/+30.7800+130.3398/+30.7628+130.3200/+30.7800+130.3028/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 鹿児島県三島村 4630300 2026-07-06T18:00:00+09:00 2026-07-06T21:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8200+130.3200/+30.8199+130.3400/+30.8199+130.3600/+30.8197+130.3800/+30.8194+130.4000/+30.8188+130.4200/+30.8177+130.4400/+30.8152+130.4600/+30.8109+130.4800/+30.8025+130.5000/+30.8000+130.5055/+30.7994+130.5200/+30.7984+130.5400/+30.7968+130.5600/+30.7949+130.5800/+30.7914+130.6000/+30.7943+130.6200/+30.7819+130.6400/+30.7800+130.6445/+30.7782+130.6600/+30.7753+130.6800/+30.7710+130.7000/+30.7675+130.7200/+30.7603+130.7400/+30.7600+130.7405/+30.7533+130.7600/+30.7477+130.7800/+30.7400+130.8000/+30.7326+130.8200/+30.7200+130.8357/+30.7146+130.8400/+30.7063+130.8600/+30.7000+130.8731/+30.6912+130.8600/+30.6848+130.8400/+30.6815+130.8200/+30.6802+130.8000/+30.6853+130.7800/+30.6871+130.7600/+30.6893+130.7400/+30.6912+130.7200/+30.6971+130.7000/+30.7000+130.6861/+30.7008+130.6800/+30.7029+130.6600/+30.7050+130.6400/+30.7099+130.6200/+30.7200+130.6105/+30.7222+130.6000/+30.7237+130.5800/+30.7259+130.5600/+30.7315+130.5400/+30.7400+130.5216/+30.7401+130.5200/+30.7411+130.5000/+30.7413+130.4800/+30.7416+130.4600/+30.7422+130.4400/+30.7444+130.4200/+30.7527+130.4000/+30.7600+130.3912/+30.7601+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7603+130.3000/+30.7800+130.2803/+30.8000+130.2802/+30.8198+130.3000/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8185+130.3200/+30.8000+130.3397/+30.7800+130.3373/+30.7663+130.3200/+30.7800+130.3063/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 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、６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。 　６日３時から６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 　０６日０３時から０６時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０６日０６時から０９時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０６日０９時から１２時まで　東　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０６日１２時から１５時まで　東　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０６日１５時から１８時まで　東　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０６日１８時から２１時まで　東　　　　　　　５０ｋｍ　　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、西之表市 　 　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。