2026-07-01T23:00:00Z 通常 気象庁本庁 気象庁 2026-07-02T08:00:00+09:00 2026-07-02T09:00:00+09:00 2026-07-03T03:00:00+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、２日０９時から１２時までは火口から東方向、２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 2026-07-02T09:00:00+09:00 2026-07-02T12:00:00+09:00 降灰 70 +30.9405+130.7400/+30.9412+130.7600/+30.9408+130.7800/+30.9403+130.8000/+30.9412+130.8200/+30.9408+130.8400/+30.9406+130.8600/+30.9404+130.8800/+30.9402+130.9000/+30.9416+130.9200/+30.9431+130.9400/+30.9421+130.9600/+30.9400+130.9709/+30.9384+130.9800/+30.9344+131.0000/+30.9290+131.0200/+30.9212+131.0400/+30.9200+131.0439/+30.9139+131.0600/+30.9088+131.0800/+30.9013+131.1000/+30.9000+131.1017/+30.8994+131.1000/+30.8951+131.0800/+30.8908+131.0600/+30.8838+131.0400/+30.8800+131.0318/+30.8750+131.0200/+30.8673+131.0000/+30.8600+130.9857/+30.8571+130.9800/+30.8477+130.9600/+30.8400+130.9454/+30.8380+130.9400/+30.8312+130.9200/+30.8263+130.9000/+30.8230+130.8800/+30.8202+130.8600/+30.8200+130.8586/+30.8172+130.8400/+30.8145+130.8200/+30.8114+130.8000/+30.8079+130.7800/+30.8050+130.7600/+30.8010+130.7400/+30.8000+130.7360/+30.7944+130.7200/+30.7888+130.7000/+30.7859+130.6800/+30.7822+130.6600/+30.7800+130.6507/+30.7751+130.6400/+30.7686+130.6200/+30.7695+130.6000/+30.7663+130.5800/+30.7654+130.5600/+30.7632+130.5400/+30.7628+130.5200/+30.7621+130.5000/+30.7615+130.4800/+30.7613+130.4600/+30.7612+130.4400/+30.7609+130.4200/+30.7606+130.4000/+30.7604+130.3800/+30.7603+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3044/+30.8356+130.3200/+30.8396+130.3400/+30.8399+130.3600/+30.8400+130.3633/+30.8562+130.3800/+30.8588+130.4000/+30.8595+130.4200/+30.8600+130.4262/+30.8720+130.4400/+30.8772+130.4600/+30.8790+130.4800/+30.8800+130.4893/+30.8878+130.5000/+30.8935+130.5200/+30.8973+130.5400/+30.9000+130.5569/+30.9022+130.5600/+30.9101+130.5800/+30.9200+130.5980/+30.9222+130.6000/+30.9251+130.6200/+30.9267+130.6400/+30.9289+130.6600/+30.9312+130.6800/+30.9376+130.7000/+30.9398+130.7200/+30.9400+130.7256/+30.9405+130.7400/ 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/+30.8147+130.3400/+30.8000+130.3578/+30.7852+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 2026-07-02T12:00:00+09:00 2026-07-02T15:00:00+09:00 降灰 70 +30.8658+130.7200/+30.8652+130.7400/+30.8644+130.7600/+30.8622+130.7800/+30.8600+130.7947/+30.8591+130.8000/+30.8597+130.8200/+30.8600+130.8242/+30.8621+130.8400/+30.8626+130.8600/+30.8633+130.8800/+30.8640+130.9000/+30.8652+130.9200/+30.8664+130.9400/+30.8663+130.9600/+30.8647+130.9800/+30.8627+131.0000/+30.8613+131.0200/+30.8600+131.0345/+30.8400+131.0290/+30.8384+131.0200/+30.8346+131.0000/+30.8281+130.9800/+30.8202+130.9600/+30.8200+130.9592/+30.8133+130.9400/+30.8067+130.9200/+30.8000+130.9069/+30.7984+130.9000/+30.7915+130.8800/+30.7862+130.8600/+30.7818+130.8400/+30.7816+130.8200/+30.7800+130.8076/+30.7791+130.8000/+30.7746+130.7800/+30.7716+130.7600/+30.7705+130.7400/+30.7787+130.7200/+30.7752+130.7000/+30.7688+130.6800/+30.7658+130.6600/+30.7644+130.6400/+30.7624+130.6200/+30.7692+130.6000/+30.7678+130.5800/+30.7657+130.5600/+30.7662+130.5400/+30.7646+130.5200/+30.7634+130.5000/+30.7633+130.4800/+30.7627+130.4600/+30.7618+130.4400/+30.7612+130.4200/+30.7608+130.4000/+30.7604+130.3800/+30.7602+130.3600/+30.7601+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/+30.8200+130.3400/+30.8200+130.3600/+30.8200+130.3652/+30.8329+130.3800/+30.8370+130.4000/+30.8379+130.4200/+30.8383+130.4400/+30.8384+130.4600/+30.8384+130.4800/+30.8385+130.5000/+30.8386+130.5200/+30.8386+130.5400/+30.8389+130.5600/+30.8390+130.5800/+30.8395+130.6000/+30.8400+130.6039/+30.8556+130.6200/+30.8558+130.6400/+30.8563+130.6600/+30.8575+130.6800/+30.8590+130.7000/+30.8600+130.7036/+30.8658+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/+30.8114+130.3400/+30.8000+130.3564/+30.7877+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 2026-07-02T15:00:00+09:00 2026-07-02T18:00:00+09:00 降灰 70 +30.8224+130.4200/+30.8263+130.4400/+30.8285+130.4600/+30.8297+130.4800/+30.8301+130.5000/+30.8302+130.5200/+30.8307+130.5400/+30.8307+130.5600/+30.8309+130.5800/+30.8292+130.6000/+30.8355+130.6200/+30.8348+130.6400/+30.8342+130.6600/+30.8338+130.6800/+30.8337+130.7000/+30.8327+130.7200/+30.8331+130.7400/+30.8322+130.7600/+30.8315+130.7800/+30.8308+130.8000/+30.8293+130.8200/+30.8301+130.8400/+30.8284+130.8600/+30.8276+130.8800/+30.8267+130.9000/+30.8264+130.9200/+30.8261+130.9400/+30.8250+130.9600/+30.8228+130.9800/+30.8200+130.9996/+30.8199+131.0000/+30.8130+131.0200/+30.8015+131.0400/+30.8000+131.0428/+30.7990+131.0400/+30.7897+131.0200/+30.7825+131.0000/+30.7800+130.9884/+30.7782+130.9800/+30.7742+130.9600/+30.7719+130.9400/+30.7710+130.9200/+30.7702+130.9000/+30.7673+130.8800/+30.7645+130.8600/+30.7616+130.8400/+30.7600+130.8319/+30.7573+130.8200/+30.7555+130.8000/+30.7520+130.7800/+30.7490+130.7600/+30.7467+130.7400/+30.7445+130.7200/+30.7484+130.7000/+30.7475+130.6800/+30.7468+130.6600/+30.7462+130.6400/+30.7452+130.6200/+30.7550+130.6000/+30.7569+130.5800/+30.7569+130.5600/+30.7541+130.5400/+30.7549+130.5200/+30.7580+130.5000/+30.7600+130.4910/+30.7601+130.4800/+30.7603+130.4600/+30.7603+130.4400/+30.7603+130.4200/+30.7603+130.4000/+30.7602+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8199+130.3800/+30.8199+130.4000/+30.8200+130.4152/+30.8224+130.4200/ 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/+30.8112+130.3400/+30.8000+130.3556/+30.7870+130.3400/+30.7807+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 2026-07-02T18:00:00+09:00 2026-07-02T21:00:00+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/+30.8190+130.4600/+30.8186+130.4800/+30.8183+130.5000/+30.8176+130.5200/+30.8170+130.5400/+30.8165+130.5600/+30.8155+130.5800/+30.8147+130.6000/+30.8195+130.6200/+30.8182+130.6400/+30.8169+130.6600/+30.8152+130.6800/+30.8129+130.7000/+30.8110+130.7200/+30.8150+130.7400/+30.8120+130.7600/+30.8082+130.7800/+30.8033+130.8000/+30.8010+130.8200/+30.8016+130.8400/+30.8000+130.8481/+30.7947+130.8600/+30.7843+130.8800/+30.7800+130.8874/+30.7719+130.9000/+30.7667+130.9200/+30.7619+130.9400/+30.7600+130.9459/+30.7572+130.9400/+30.7514+130.9200/+30.7465+130.9000/+30.7400+130.8910/+30.7377+130.8800/+30.7342+130.8600/+30.7316+130.8400/+30.7346+130.8200/+30.7338+130.8000/+30.7334+130.7800/+30.7330+130.7600/+30.7317+130.7400/+30.7308+130.7200/+30.7343+130.7000/+30.7338+130.6800/+30.7332+130.6600/+30.7327+130.6400/+30.7335+130.6200/+30.7400+130.6098/+30.7424+130.6000/+30.7424+130.5800/+30.7421+130.5600/+30.7425+130.5400/+30.7428+130.5200/+30.7435+130.5000/+30.7435+130.4800/+30.7440+130.4600/+30.7439+130.4400/+30.7454+130.4200/+30.7480+130.4000/+30.7563+130.3800/+30.7600+130.3753/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7605+130.3000/+30.7800+130.2805/+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/+30.8085+130.3400/+30.8000+130.3514/+30.7879+130.3400/+30.7804+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 2026-07-02T21:00:00+09:00 2026-07-03T00:00:00+09:00 降灰 70 +30.8236+130.3800/+30.8318+130.4000/+30.8330+130.4200/+30.8349+130.4400/+30.8354+130.4600/+30.8354+130.4800/+30.8348+130.5000/+30.8344+130.5200/+30.8348+130.5400/+30.8341+130.5600/+30.8361+130.5800/+30.8351+130.6000/+30.8366+130.6200/+30.8360+130.6400/+30.8351+130.6600/+30.8340+130.6800/+30.8327+130.7000/+30.8323+130.7200/+30.8312+130.7400/+30.8299+130.7600/+30.8276+130.7800/+30.8246+130.8000/+30.8220+130.8200/+30.8200+130.8274/+30.8152+130.8400/+30.8086+130.8600/+30.8000+130.8789/+30.7906+130.8600/+30.7831+130.8400/+30.7800+130.8342/+30.7743+130.8200/+30.7721+130.8000/+30.7675+130.7800/+30.7638+130.7600/+30.7623+130.7400/+30.7600+130.7223/+30.7596+130.7200/+30.7580+130.7000/+30.7556+130.6800/+30.7540+130.6600/+30.7530+130.6400/+30.7513+130.6200/+30.7600+130.6064/+30.7614+130.6000/+30.7600+130.5842/+30.7586+130.5800/+30.7597+130.5600/+30.7600+130.5585/+30.7606+130.5400/+30.7600+130.5230/+30.7594+130.5200/+30.7600+130.5067/+30.7600+130.5000/+30.7600+130.4991/+30.7551+130.4800/+30.7548+130.4600/+30.7562+130.4400/+30.7558+130.4200/+30.7600+130.4050/+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+130.2802/+30.8198+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8200+130.3749/+30.8236+130.3800/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8060+130.3400/+30.8000+130.3478/+30.7925+130.3400/+30.7805+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 2026-07-03T00:00:00+09:00 2026-07-03T03:00:00+09:00 降灰 70 +30.8402+130.6400/+30.8400+130.6416/+30.8394+130.6600/+30.8389+130.6800/+30.8388+130.7000/+30.8400+130.7200/+30.8400+130.7207/+30.8431+130.7400/+30.8400+130.7539/+30.8386+130.7600/+30.8382+130.7800/+30.8377+130.8000/+30.8354+130.8200/+30.8200+130.8384/+30.8184+130.8400/+30.8086+130.8600/+30.8000+130.8736/+30.7956+130.8600/+30.7896+130.8400/+30.7837+130.8200/+30.7805+130.8000/+30.7800+130.7948/+30.7786+130.7800/+30.7768+130.7600/+30.7735+130.7400/+30.7744+130.7200/+30.7732+130.7000/+30.7718+130.6800/+30.7697+130.6600/+30.7671+130.6400/+30.7652+130.6200/+30.7724+130.6000/+30.7728+130.5800/+30.7685+130.5600/+30.7678+130.5400/+30.7680+130.5200/+30.7664+130.5000/+30.7648+130.4800/+30.7635+130.4600/+30.7626+130.4400/+30.7620+130.4200/+30.7613+130.4000/+30.7607+130.3800/+30.7603+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8200+130.3473/+30.8307+130.3600/+30.8363+130.3800/+30.8374+130.4000/+30.8378+130.4200/+30.8379+130.4400/+30.8379+130.4600/+30.8380+130.4800/+30.8378+130.5000/+30.8378+130.5200/+30.8377+130.5400/+30.8379+130.5600/+30.8381+130.5800/+30.8382+130.6000/+30.8399+130.6200/+30.8400+130.6348/+30.8402+130.6400/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8068+130.3400/+30.8000+130.3492/+30.7928+130.3400/+30.7810+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、２日０９時から１２時までは火口から東方向、２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。 　２日９時から３日３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 　０２日０９時から１２時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日２１時から２４時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０３日００時から０３時まで　東　　　　　　　５０ｋｍ　　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、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。