2026-09-02T02:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T11:00:00+09:00 2026-09-02T12:00:00+09:00 2026-09-03T06:00:00+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２１時から２４時までは火口から西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 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 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西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7858+130.2800/+30.8000+130.2632/+30.8136+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +30.8238+129.6200/+30.8280+129.6400/+30.8306+129.6600/+30.8321+129.6800/+30.8334+129.7000/+30.8356+129.7200/+30.8375+129.7400/+30.8389+129.7600/+30.8398+129.7800/+30.8377+129.8000/+30.8367+129.8200/+30.8359+129.8400/+30.8360+129.8600/+30.8361+129.8800/+30.8346+129.9000/+30.8342+129.9200/+30.8349+129.9400/+30.8352+129.9600/+30.8355+129.9800/+30.8240+130.0000/+30.8200+130.0194/+30.8200+130.0200/+30.8196+130.0400/+30.8198+130.0600/+30.8198+130.0800/+30.8197+130.1000/+30.8197+130.1200/+30.8197+130.1400/+30.8197+130.1600/+30.8198+130.1800/+30.8198+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7603+130.1800/+30.7603+130.1600/+30.7602+130.1400/+30.7602+130.1200/+30.7600+130.1068/+30.7578+130.1000/+30.7600+130.0832/+30.7600+130.0800/+30.7600+130.0783/+30.7559+130.0600/+30.7556+130.0400/+30.7547+130.0200/+30.7563+130.0000/+30.7436+129.9800/+30.7445+129.9600/+30.7458+129.9400/+30.7481+129.9200/+30.7492+129.9000/+30.7463+129.8800/+30.7496+129.8600/+30.7538+129.8400/+30.7571+129.8200/+30.7600+129.8050/+30.7605+129.8000/+30.7606+129.7800/+30.7635+129.7600/+30.7661+129.7400/+30.7682+129.7200/+30.7707+129.7000/+30.7725+129.6800/+30.7745+129.6600/+30.7776+129.6400/+30.7800+129.6287/+30.7820+129.6200/+30.7874+129.6000/+30.7921+129.5800/+30.7979+129.5600/+30.8000+129.5517/+30.8035+129.5600/+30.8119+129.5800/+30.8180+129.6000/+30.8200+129.6061/+30.8238+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8151+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7828+130.2800/+30.8000+130.2611/+30.8151+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+09:00 降灰 70 +30.8200+129.7800/+30.8172+129.8000/+30.8183+129.8200/+30.8194+129.8400/+30.8200+129.8446/+30.8219+129.8600/+30.8239+129.8800/+30.8200+129.8874/+30.8163+129.9000/+30.8174+129.9200/+30.8188+129.9400/+30.8200+129.9590/+30.8202+129.9600/+30.8239+129.9800/+30.8200+129.9842/+30.8163+130.0000/+30.8172+130.0200/+30.8175+130.0400/+30.8181+130.0600/+30.8186+130.0800/+30.8189+130.1000/+30.8191+130.1200/+30.8193+130.1400/+30.8195+130.1600/+30.8196+130.1800/+30.8198+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7602+130.1800/+30.7600+130.1600/+30.7600+130.1580/+30.7511+130.1400/+30.7472+130.1200/+30.7464+130.1000/+30.7455+130.0800/+30.7448+130.0600/+30.7445+130.0400/+30.7439+130.0200/+30.7434+130.0000/+30.7400+129.9901/+30.7307+129.9800/+30.7306+129.9600/+30.7307+129.9400/+30.7310+129.9200/+30.7301+129.9000/+30.7273+129.8800/+30.7274+129.8600/+30.7276+129.8400/+30.7279+129.8200/+30.7281+129.8000/+30.7200+129.7801/+30.7200+129.7800/+30.7200+129.7792/+30.7211+129.7600/+30.7223+129.7400/+30.7236+129.7200/+30.7249+129.7000/+30.7273+129.6800/+30.7301+129.6600/+30.7325+129.6400/+30.7342+129.6200/+30.7361+129.6000/+30.7381+129.5800/+30.7400+129.5636/+30.7417+129.5600/+30.7521+129.5400/+30.7600+129.5267/+30.7648+129.5400/+30.7704+129.5600/+30.7741+129.5800/+30.7770+129.6000/+30.7800+129.6094/+30.7835+129.6200/+30.7906+129.6400/+30.8000+129.6591/+30.8003+129.6600/+30.8065+129.6800/+30.8114+129.7000/+30.8127+129.7200/+30.8139+129.7400/+30.8165+129.7600/+30.8200+129.7800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8156+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7811+130.2800/+30.8000+130.2603/+30.8156+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T21:00:00+09:00 2026-09-03T00:00:00+09:00 降灰 70 +30.8647+130.0200/+30.8616+130.0400/+30.8600+130.0446/+30.8576+130.0400/+30.8547+130.0200/+30.8600+130.0124/+30.8647+130.0200/ 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西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8040+130.2600/+30.8161+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7839+130.2800/+30.7909+130.2600/+30.8000+130.2535/+30.8040+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T00:00:00+09:00 2026-09-03T03:00:00+09:00 降灰 70 +30.8611+129.6400/+30.8622+129.6600/+30.8625+129.6800/+30.8627+129.7000/+30.8656+129.7200/+30.8680+129.7400/+30.8692+129.7600/+30.8692+129.7800/+30.8640+129.8000/+30.8641+129.8200/+30.8641+129.8400/+30.8645+129.8600/+30.8649+129.8800/+30.8600+129.8892/+30.8539+129.9000/+30.8525+129.9200/+30.8538+129.9400/+30.8537+129.9600/+30.8521+129.9800/+30.8400+129.9916/+30.8393+130.0000/+30.8389+130.0200/+30.8388+130.0400/+30.8384+130.0600/+30.8383+130.0800/+30.8382+130.1000/+30.8381+130.1200/+30.8375+130.1400/+30.8373+130.1600/+30.8360+130.1800/+30.8320+130.2000/+30.8200+130.2188/+30.8200+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7606+130.2000/+30.7612+130.1800/+30.7620+130.1600/+30.7632+130.1400/+30.7647+130.1200/+30.7677+130.1000/+30.7699+130.0800/+30.7715+130.0600/+30.7750+130.0400/+30.7800+130.0226/+30.7800+130.0200/+30.7802+130.0000/+30.7800+129.9978/+30.7609+129.9800/+30.7633+129.9600/+30.7661+129.9400/+30.7689+129.9200/+30.7714+129.9000/+30.7670+129.8800/+30.7677+129.8600/+30.7685+129.8400/+30.7690+129.8200/+30.7694+129.8000/+30.7651+129.7800/+30.7668+129.7600/+30.7684+129.7400/+30.7701+129.7200/+30.7721+129.7000/+30.7747+129.6800/+30.7780+129.6600/+30.7800+129.6468/+30.7812+129.6400/+30.7840+129.6200/+30.7873+129.6000/+30.7909+129.5800/+30.7951+129.5600/+30.7979+129.5400/+30.7984+129.5200/+30.7990+129.5000/+30.8000+129.4960/+30.8200+129.4885/+30.8400+129.4824/+30.8518+129.5000/+30.8486+129.5200/+30.8457+129.5400/+30.8468+129.5600/+30.8510+129.5800/+30.8544+129.6000/+30.8584+129.6200/+30.8600+129.6290/+30.8611+129.6400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8046+130.2600/+30.8171+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7829+130.2800/+30.7947+130.2600/+30.8000+130.2521/+30.8046+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T03:00:00+09:00 2026-09-03T06:00:00+09:00 降灰 70 +30.8818+130.1600/+30.8800+130.1628/+30.8769+130.1600/+30.8800+130.1549/+30.8818+130.1600/ +30.8600+129.5400/+30.8645+129.5600/+30.8650+129.5800/+30.8654+129.6000/+30.8682+129.6200/+30.8704+129.6400/+30.8725+129.6600/+30.8745+129.6800/+30.8762+129.7000/+30.8755+129.7200/+30.8750+129.7400/+30.8751+129.7600/+30.8757+129.7800/+30.8704+129.8000/+30.8689+129.8200/+30.8676+129.8400/+30.8669+129.8600/+30.8664+129.8800/+30.8606+129.9000/+30.8604+129.9200/+30.8610+129.9400/+30.8600+129.9543/+30.8598+129.9600/+30.8576+129.9800/+30.8550+130.0000/+30.8432+130.0200/+30.8400+130.0277/+30.8392+130.0400/+30.8384+130.0600/+30.8382+130.0800/+30.8379+130.1000/+30.8378+130.1200/+30.8374+130.1400/+30.8369+130.1600/+30.8373+130.1800/+30.8384+130.2000/+30.8400+130.2052/+30.8481+130.2200/+30.8441+130.2400/+30.8400+130.2446/+30.8368+130.2600/+30.8342+130.2800/+30.8200+130.2949/+30.8198+130.3000/+30.8083+130.3200/+30.8000+130.3283/+30.7828+130.3200/+30.7800+130.3199/+30.7604+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7601+130.2000/+30.7600+130.1876/+30.7551+130.1800/+30.7490+130.1600/+30.7466+130.1400/+30.7458+130.1200/+30.7457+130.1000/+30.7447+130.0800/+30.7447+130.0600/+30.7446+130.0400/+30.7449+130.0200/+30.7456+130.0000/+30.7400+129.9822/+30.7382+129.9800/+30.7372+129.9600/+30.7373+129.9400/+30.7387+129.9200/+30.7400+129.9130/+30.7421+129.9000/+30.7426+129.8800/+30.7446+129.8600/+30.7470+129.8400/+30.7491+129.8200/+30.7516+129.8000/+30.7579+129.7800/+30.7600+129.7744/+30.7645+129.7600/+30.7691+129.7400/+30.7712+129.7200/+30.7736+129.7000/+30.7773+129.6800/+30.7800+129.6674/+30.7817+129.6600/+30.7876+129.6400/+30.7952+129.6200/+30.8000+129.6089/+30.8090+129.6000/+30.8200+129.5800/+30.8279+129.5600/+30.8376+129.5400/+30.8400+129.5365/+30.8600+129.5400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8232+130.2600/+30.8200+130.2632/+30.8173+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2831/+30.7769+130.2800/+30.7800+130.2716/+30.7859+130.2600/+30.8000+130.2457/+30.8200+130.2564/+30.8232+130.2600/ 西 5 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２１時から２４時までは火口から西方向に降灰が予想されます。 　２日１２時から３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 　０２日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日２１時から２４時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０３日００時から０３時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０３日０３時から０６時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　 　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。