2026-10-22T08:00:00Z 通常 気象庁本庁 気象庁 2026-10-22T17:00:00+09:00 2026-10-22T18:00:00+09:00 2026-10-23T12:00:00+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、２２日２１時から２４時までは火口から西方向、２３日０９時から１２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 2026-10-22T18:00:00+09:00 2026-10-22T21:00:00+09:00 降灰 70 +30.8055+129.9000/+30.8083+129.9200/+30.8099+129.9400/+30.8121+129.9600/+30.8143+129.9800/+30.8069+130.0000/+30.8109+130.0200/+30.8117+130.0400/+30.8124+130.0600/+30.8141+130.0800/+30.8149+130.1000/+30.8159+130.1200/+30.8169+130.1400/+30.8179+130.1600/+30.8187+130.1800/+30.8193+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8036+130.3200/+30.8000+130.3236/+30.7944+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2343/+30.7469+130.2200/+30.7424+130.2000/+30.7415+130.1800/+30.7412+130.1600/+30.7410+130.1400/+30.7407+130.1200/+30.7404+130.1000/+30.7400+130.0903/+30.7343+130.0800/+30.7282+130.0600/+30.7253+130.0400/+30.7243+130.0200/+30.7213+130.0000/+30.7200+129.9810/+30.7195+129.9800/+30.7118+129.9600/+30.7085+129.9400/+30.7072+129.9200/+30.7000+129.9019/+30.6992+129.9000/+30.6987+129.8800/+30.6986+129.8600/+30.6986+129.8400/+30.6988+129.8200/+30.6990+129.8000/+30.7000+129.7919/+30.7027+129.7800/+30.7035+129.7600/+30.7061+129.7400/+30.7114+129.7200/+30.7195+129.7000/+30.7200+129.6980/+30.7249+129.6800/+30.7319+129.6600/+30.7400+129.6443/+30.7577+129.6600/+30.7600+129.6623/+30.7639+129.6800/+30.7678+129.7000/+30.7739+129.7200/+30.7784+129.7400/+30.7800+129.7464/+30.7830+129.7600/+30.7876+129.7800/+30.7916+129.8000/+30.7939+129.8200/+30.7956+129.8400/+30.7976+129.8600/+30.7992+129.8800/+30.8000+129.8838/+30.8055+129.9000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3062/+30.7738+130.3000/+30.7708+130.2800/+30.7800+130.2669/+30.8000+130.2635/+30.8131+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-22T21:00:00+09:00 2026-10-23T00:00:00+09:00 降灰 70 +30.8997+130.3000/+30.8800+130.3179/+30.8746+130.3200/+30.8600+130.3247/+30.8400+130.3287/+30.8200+130.3310/+30.8000+130.3371/+30.7800+130.3293/+30.7707+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7604+130.2000/+30.7606+130.1800/+30.7608+130.1600/+30.7610+130.1400/+30.7612+130.1200/+30.7614+130.1000/+30.7618+130.0800/+30.7622+130.0600/+30.7625+130.0400/+30.7626+130.0200/+30.7629+130.0000/+30.7600+129.9894/+30.7517+129.9800/+30.7534+129.9600/+30.7553+129.9400/+30.7571+129.9200/+30.7594+129.9000/+30.7600+129.8978/+30.7638+129.8800/+30.7656+129.8600/+30.7678+129.8400/+30.7701+129.8200/+30.7731+129.8000/+30.7751+129.7800/+30.7800+129.7604/+30.7801+129.7600/+30.7851+129.7400/+30.7898+129.7200/+30.7962+129.7000/+30.8000+129.6881/+30.8167+129.6800/+30.8200+129.6780/+30.8400+129.6609/+30.8491+129.6800/+30.8556+129.7000/+30.8600+129.7121/+30.8612+129.7200/+30.8640+129.7400/+30.8667+129.7600/+30.8691+129.7800/+30.8679+129.8000/+30.8672+129.8200/+30.8666+129.8400/+30.8673+129.8600/+30.8677+129.8800/+30.8665+129.9000/+30.8660+129.9200/+30.8650+129.9400/+30.8640+129.9600/+30.8631+129.9800/+30.8625+130.0000/+30.8600+130.0029/+30.8539+130.0200/+30.8510+130.0400/+30.8467+130.0600/+30.8400+130.0769/+30.8398+130.0800/+30.8396+130.1000/+30.8389+130.1200/+30.8385+130.1400/+30.8382+130.1600/+30.8382+130.1800/+30.8379+130.2000/+30.8366+130.2200/+30.8344+130.2400/+30.8203+130.2600/+30.8396+130.2800/+30.8400+130.2801/+30.8600+130.2826/+30.8800+130.2879/+30.8997+130.3000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7830+130.2800/+30.8000+130.2628/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-23T00:00:00+09:00 2026-10-23T03:00:00+09:00 降灰 70 +31.0602+130.2000/+31.0600+130.2017/+31.0587+130.2200/+31.0452+130.2400/+31.0400+130.2437/+31.0252+130.2600/+31.0200+130.2668/+31.0000+130.2775/+30.9976+130.2800/+30.9800+130.2917/+30.9600+130.2998/+30.9596+130.3000/+30.9400+130.3081/+30.9200+130.3128/+30.9000+130.3154/+30.8800+130.3168/+30.8600+130.3180/+30.8400+130.3191/+30.8200+130.3200/+30.8199+130.3200/+30.8000+130.3383/+30.7800+130.3353/+30.7647+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7609+130.2000/+30.7614+130.1800/+30.7623+130.1600/+30.7632+130.1400/+30.7644+130.1200/+30.7655+130.1000/+30.7665+130.0800/+30.7676+130.0600/+30.7711+130.0400/+30.7740+130.0200/+30.7749+130.0000/+30.7697+129.9800/+30.7745+129.9600/+30.7800+129.9440/+30.7806+129.9400/+30.7842+129.9200/+30.7881+129.9000/+30.7938+129.8800/+30.7994+129.8600/+30.8000+129.8583/+30.8063+129.8400/+30.8106+129.8200/+30.8154+129.8000/+30.8200+129.7906/+30.8262+129.7800/+30.8342+129.7600/+30.8400+129.7438/+30.8438+129.7400/+30.8600+129.7207/+30.8800+129.7332/+30.8847+129.7400/+30.8955+129.7600/+30.9000+129.7688/+30.9021+129.7800/+30.9053+129.8000/+30.9015+129.8200/+30.9000+129.8316/+30.8990+129.8400/+30.9000+129.8526/+30.9005+129.8600/+30.9016+129.8800/+30.9019+129.9000/+30.9000+129.9034/+30.8948+129.9200/+30.8933+129.9400/+30.8907+129.9600/+30.8862+129.9800/+30.8853+130.0000/+30.8800+130.0092/+30.8770+130.0200/+30.8708+130.0400/+30.8722+130.0600/+30.8704+130.0800/+30.8600+130.0931/+30.8592+130.1000/+30.8585+130.1200/+30.8583+130.1400/+30.8590+130.1600/+30.8589+130.1800/+30.8569+130.2000/+30.8600+130.2055/+30.8706+130.2000/+30.8800+130.1881/+30.8955+130.1800/+30.9000+130.1768/+30.9200+130.1689/+30.9400+130.1655/+30.9506+130.1600/+30.9600+130.1553/+30.9760+130.1600/+30.9800+130.1612/+30.9831+130.1600/+31.0000+130.1523/+31.0200+130.1406/+31.0400+130.1581/+31.0428+130.1600/+31.0572+130.1800/+31.0600+130.1986/+31.0602+130.2000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2628/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-23T03:00:00+09:00 2026-10-23T06:00:00+09:00 降灰 70 +31.0341+130.2200/+31.0200+130.2262/+31.0000+130.2296/+30.9800+130.2285/+30.9600+130.2394/+30.9597+130.2400/+30.9400+130.2502/+30.9200+130.2540/+30.9127+130.2600/+30.9000+130.2689/+30.8800+130.2778/+30.8783+130.2800/+30.8600+130.2936/+30.8409+130.3000/+30.8400+130.3007/+30.8200+130.3163/+30.8153+130.3200/+30.8000+130.3353/+30.7800+130.3303/+30.7697+130.3200/+30.7603+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7604+130.2200/+30.7607+130.2000/+30.7611+130.1800/+30.7615+130.1600/+30.7620+130.1400/+30.7624+130.1200/+30.7631+130.1000/+30.7639+130.0800/+30.7651+130.0600/+30.7657+130.0400/+30.7662+130.0200/+30.7677+130.0000/+30.7639+129.9800/+30.7668+129.9600/+30.7715+129.9400/+30.7800+129.9200/+30.7822+129.9000/+30.7800+129.8877/+30.7771+129.8800/+30.7800+129.8610/+30.7802+129.8600/+30.7844+129.8400/+30.7892+129.8200/+30.7964+129.8000/+30.8000+129.7829/+30.8008+129.7800/+30.8096+129.7600/+30.8178+129.7400/+30.8200+129.7341/+30.8258+129.7200/+30.8352+129.7000/+30.8400+129.6885/+30.8500+129.6800/+30.8600+129.6705/+30.8767+129.6800/+30.8800+129.6833/+30.8896+129.7000/+30.8920+129.7200/+30.8930+129.7400/+30.8946+129.7600/+30.8964+129.7800/+30.8996+129.8000/+30.8958+129.8200/+30.8917+129.8400/+30.8866+129.8600/+30.8804+129.8800/+30.8800+129.8847/+30.8796+129.9000/+30.8783+129.9200/+30.8773+129.9400/+30.8765+129.9600/+30.8756+129.9800/+30.8751+130.0000/+30.8600+130.0193/+30.8598+130.0200/+30.8580+130.0400/+30.8568+130.0600/+30.8561+130.0800/+30.8533+130.1000/+30.8520+130.1200/+30.8473+130.1400/+30.8400+130.1516/+30.8398+130.1600/+30.8397+130.1800/+30.8399+130.2000/+30.8400+130.2031/+30.8532+130.2000/+30.8600+130.1952/+30.8800+130.1905/+30.9000+130.1802/+30.9006+130.1800/+30.9200+130.1668/+30.9400+130.1693/+30.9600+130.1672/+30.9663+130.1600/+30.9800+130.1484/+30.9972+130.1600/+30.9800+130.1766/+30.9761+130.1800/+30.9800+130.1899/+30.9874+130.2000/+31.0000+130.2045/+31.0200+130.2089/+31.0341+130.2200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8044+130.2600/+30.8163+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7829+130.2800/+30.7958+130.2600/+30.8000+130.2546/+30.8044+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-23T06:00:00+09:00 2026-10-23T09:00:00+09:00 降灰 70 +31.0705+130.1000/+31.0600+130.1038/+31.0554+130.1000/+31.0600+130.0976/+31.0705+130.1000/ +31.0367+130.1200/+31.0367+130.1400/+31.0200+130.1582/+31.0186+130.1600/+31.0000+130.1746/+30.9945+130.1800/+30.9800+130.1916/+30.9641+130.2000/+30.9600+130.2031/+30.9400+130.2178/+30.9382+130.2200/+30.9200+130.2352/+30.9120+130.2400/+30.9000+130.2502/+30.8800+130.2598/+30.8798+130.2600/+30.8600+130.2774/+30.8562+130.2800/+30.8400+130.2946/+30.8365+130.3000/+30.8200+130.3163/+30.8137+130.3200/+30.8000+130.3337/+30.7800+130.3273/+30.7727+130.3200/+30.7605+130.3000/+30.7602+130.2800/+30.7603+130.2600/+30.7605+130.2400/+30.7610+130.2200/+30.7624+130.2000/+30.7659+130.1800/+30.7740+130.1600/+30.7800+130.1485/+30.7801+130.1400/+30.7805+130.1200/+30.7809+130.1000/+30.7814+130.0800/+30.7818+130.0600/+30.7826+130.0400/+30.7836+130.0200/+30.7846+130.0000/+30.7841+129.9800/+30.7855+129.9600/+30.7877+129.9400/+30.7914+129.9200/+30.7950+129.9000/+30.8000+129.8862/+30.8022+129.8800/+30.8058+129.8600/+30.8102+129.8400/+30.8139+129.8200/+30.8186+129.8000/+30.8200+129.7936/+30.8240+129.7800/+30.8314+129.7600/+30.8383+129.7400/+30.8400+129.7328/+30.8440+129.7200/+30.8503+129.7000/+30.8598+129.6800/+30.8600+129.6796/+30.8714+129.6600/+30.8800+129.6457/+30.8836+129.6400/+30.8980+129.6200/+30.9000+129.6176/+30.9200+129.6179/+30.9400+129.6188/+30.9406+129.6200/+30.9479+129.6400/+30.9496+129.6600/+30.9488+129.6800/+30.9482+129.7000/+30.9446+129.7200/+30.9413+129.7400/+30.9400+129.7466/+30.9381+129.7600/+30.9355+129.7800/+30.9337+129.8000/+30.9314+129.8200/+30.9288+129.8400/+30.9224+129.8600/+30.9200+129.8660/+30.9177+129.8800/+30.9150+129.9000/+30.9110+129.9200/+30.9050+129.9400/+30.9000+129.9501/+30.8987+129.9600/+30.8964+129.9800/+30.8952+130.0000/+30.8843+130.0200/+30.8800+130.0286/+30.8788+130.0400/+30.8757+130.0600/+30.8730+130.0800/+30.8710+130.1000/+30.8600+130.1194/+30.8600+130.1200/+30.8590+130.1400/+30.8579+130.1600/+30.8558+130.1800/+30.8561+130.2000/+30.8600+130.2072/+30.8719+130.2000/+30.8800+130.1956/+30.9000+130.1878/+30.9200+130.1826/+30.9289+130.1800/+30.9400+130.1675/+30.9518+130.1600/+30.9600+130.1552/+30.9800+130.1410/+30.9812+130.1400/+31.0000+130.1259/+31.0191+130.1200/+31.0200+130.1194/+31.0367+130.1200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8282+130.2800/+30.8200+130.2882/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7835+130.2800/+30.7961+130.2600/+30.8000+130.2530/+30.8105+130.2600/+30.8200+130.2649/+30.8282+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-23T09:00:00+09:00 2026-10-23T12:00:00+09:00 降灰 70 +31.0875+130.1200/+31.0800+130.1303/+31.0684+130.1400/+31.0600+130.1426/+31.0414+130.1600/+31.0400+130.1606/+31.0200+130.1744/+31.0135+130.1800/+31.0000+130.1889/+30.9800+130.1969/+30.9778+130.2000/+30.9600+130.2133/+30.9506+130.2200/+30.9400+130.2284/+30.9200+130.2375/+30.9168+130.2400/+30.9000+130.2523/+30.8872+130.2600/+30.8800+130.2666/+30.8600+130.2772/+30.8562+130.2800/+30.8400+130.2937/+30.8374+130.3000/+30.8200+130.3172/+30.8125+130.3200/+30.8000+130.3325/+30.7800+130.3247/+30.7753+130.3200/+30.7606+130.3000/+30.7603+130.2800/+30.7604+130.2600/+30.7610+130.2400/+30.7626+130.2200/+30.7678+130.2000/+30.7800+130.1817/+30.7801+130.1800/+30.7804+130.1600/+30.7808+130.1400/+30.7816+130.1200/+30.7827+130.1000/+30.7846+130.0800/+30.7882+130.0600/+30.7916+130.0400/+30.7999+130.0200/+30.8000+130.0198/+30.8020+130.0000/+30.8000+129.9836/+30.7981+129.9800/+30.8000+129.9748/+30.8039+129.9600/+30.8102+129.9400/+30.8177+129.9200/+30.8200+129.9142/+30.8247+129.9000/+30.8336+129.8800/+30.8400+129.8661/+30.8423+129.8600/+30.8517+129.8400/+30.8579+129.8200/+30.8600+129.8149/+30.8680+129.8000/+30.8798+129.7800/+30.8800+129.7796/+30.8930+129.7600/+30.9000+129.7489/+30.9098+129.7400/+30.9200+129.7274/+30.9255+129.7200/+30.9387+129.7000/+30.9400+129.6981/+30.9570+129.6800/+30.9600+129.6766/+30.9769+129.6600/+30.9800+129.6562/+30.9919+129.6400/+31.0000+129.6295/+31.0083+129.6400/+31.0159+129.6600/+31.0183+129.6800/+31.0198+129.7000/+31.0146+129.7200/+31.0099+129.7400/+31.0049+129.7600/+31.0000+129.7789/+30.9997+129.7800/+30.9953+129.8000/+30.9885+129.8200/+30.9846+129.8400/+30.9800+129.8567/+30.9790+129.8600/+30.9729+129.8800/+30.9639+129.9000/+30.9600+129.9065/+30.9565+129.9200/+30.9486+129.9400/+30.9422+129.9600/+30.9400+129.9662/+30.9370+129.9800/+30.9316+130.0000/+30.9257+130.0200/+30.9200+130.0255/+30.9105+130.0400/+30.9000+130.0544/+30.8986+130.0600/+30.8958+130.0800/+30.8893+130.1000/+30.8800+130.1115/+30.8787+130.1200/+30.8772+130.1400/+30.8716+130.1600/+30.8600+130.1747/+30.8597+130.1800/+30.8592+130.2000/+30.8600+130.2178/+30.8800+130.2156/+30.9000+130.2041/+30.9086+130.2000/+30.9200+130.1899/+30.9400+130.1846/+30.9493+130.1800/+30.9600+130.1700/+30.9800+130.1612/+30.9847+130.1600/+31.0000+130.1520/+31.0200+130.1454/+31.0371+130.1400/+31.0400+130.1348/+31.0568+130.1200/+31.0600+130.1188/+31.0800+130.1158/+31.0875+130.1200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8230+130.2600/+30.8326+130.2800/+30.8200+130.2926/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7830+130.2800/+30.7949+130.2600/+30.8000+130.2511/+30.8200+130.2544/+30.8230+130.2600/ 北西 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、２２日２１時から２４時までは火口から西方向、２３日０９時から１２時までは火口から西方向に降灰が予想されます。 　２２日１８時から２３日１２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 　２２日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２２日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２３日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　２３日０３時から０６時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　２３日０６時から０９時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２３日０９時から１２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。