2026-07-18T05:00:00Z 通常 気象庁本庁 気象庁 2026-07-18T14:00:00+09:00 2026-07-18T15:00:00+09:00 2026-07-19T09:00:00+09:00 511 発表 1 降灰予報 1.1_0 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、１８日２１時から２４時までは火口から北東方向に降灰が予想されます。 降灰予報（定時） 06 諏訪之瀬島 511 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 降灰予報（定時） 06 諏訪之瀬島 511 +2938.30+12942.83+796/ 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 2026-07-18T15:00:00+09:00 2026-07-18T18:00:00+09:00 降灰 70 +29.7422+130.1200/+29.7409+130.1400/+29.7400+130.1526/+29.7394+130.1600/+29.7366+130.1800/+29.7330+130.2000/+29.7272+130.2200/+29.7200+130.2352/+29.7164+130.2400/+29.7106+130.2600/+29.7087+130.2800/+29.7067+130.3000/+29.7000+130.3157/+29.6932+130.3000/+29.6910+130.2800/+29.6889+130.2600/+29.6825+130.2400/+29.6800+130.2380/+29.6670+130.2200/+29.6618+130.2000/+29.6600+130.1893/+29.6587+130.1800/+29.6563+130.1600/+29.6528+130.1400/+29.6526+130.1200/+29.6506+130.1000/+29.6504+130.0800/+29.6493+130.0600/+29.6478+130.0400/+29.6530+130.0200/+29.6495+130.0000/+29.6470+129.9800/+29.6455+129.9600/+29.6433+129.9400/+29.6422+129.9200/+29.6414+129.9000/+29.6408+129.8800/+29.6404+129.8600/+29.6400+129.8400/+29.6400+129.8391/+29.6260+129.8200/+29.6215+129.8000/+29.6204+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6898/+29.6702+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7600/+29.6800+129.7604/+29.6975+129.7800/+29.6990+129.8000/+29.6994+129.8200/+29.6999+129.8400/+29.7000+129.8428/+29.7103+129.8600/+29.7144+129.8800/+29.7165+129.9000/+29.7167+129.9200/+29.7181+129.9400/+29.7185+129.9600/+29.7200+129.9775/+29.7212+129.9800/+29.7250+130.0000/+29.7347+130.0200/+29.7338+130.0400/+29.7353+130.0600/+29.7363+130.0800/+29.7367+130.1000/+29.7400+130.1138/+29.7422+130.1200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6484+129.7400/+29.6400+129.7481/+29.6337+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-18T18:00:00+09:00 2026-07-18T21:00:00+09:00 降灰 70 +29.7659+130.0000/+29.7672+130.0200/+29.7668+130.0400/+29.7674+130.0600/+29.7646+130.0800/+29.7600+130.0917/+29.7582+130.1000/+29.7577+130.1200/+29.7577+130.1400/+29.7577+130.1600/+29.7485+130.1800/+29.7400+130.1950/+29.7367+130.2000/+29.7294+130.2200/+29.7200+130.2264/+29.7137+130.2200/+29.7104+130.2000/+29.7037+130.1800/+29.7000+130.1663/+29.6985+130.1600/+29.6928+130.1400/+29.6860+130.1200/+29.6817+130.1000/+29.6800+130.0903/+29.6775+130.0800/+29.6734+130.0600/+29.6701+130.0400/+29.6720+130.0200/+29.6699+130.0000/+29.6658+129.9800/+29.6639+129.9600/+29.6622+129.9400/+29.6605+129.9200/+29.6600+129.9173/+29.6505+129.9000/+29.6470+129.8800/+29.6432+129.8600/+29.6414+129.8400/+29.6405+129.8200/+29.6400+129.8110/+29.6313+129.8000/+29.6221+129.7800/+29.6203+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6208+129.7000/+29.6400+129.6808/+29.6600+129.6849/+29.6751+129.7000/+29.6799+129.7200/+29.6800+129.7228/+29.6971+129.7400/+29.6997+129.7600/+29.7000+129.7636/+29.7153+129.7800/+29.7191+129.8000/+29.7200+129.8077/+29.7290+129.8200/+29.7357+129.8400/+29.7398+129.8600/+29.7400+129.8615/+29.7488+129.8800/+29.7498+129.9000/+29.7511+129.9200/+29.7558+129.9400/+29.7581+129.9600/+29.7595+129.9800/+29.7600+129.9829/+29.7659+130.0000/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6485+129.7400/+29.6400+129.7459/+29.6352+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-18T21:00:00+09:00 2026-07-19T00:00:00+09:00 降灰 70 +29.8429+130.0200/+29.8510+130.0400/+29.8527+130.0600/+29.8539+130.0800/+29.8530+130.1000/+29.8517+130.1200/+29.8498+130.1400/+29.8469+130.1600/+29.8400+130.1650/+29.8341+130.1600/+29.8263+130.1400/+29.8200+130.1294/+29.8122+130.1200/+29.8000+130.1146/+29.7901+130.1000/+29.7800+130.0812/+29.7795+130.0800/+29.7681+130.0600/+29.7600+130.0404/+29.7597+130.0400/+29.7447+130.0200/+29.7444+130.0000/+29.7400+129.9888/+29.7336+129.9800/+29.7242+129.9600/+29.7200+129.9485/+29.7130+129.9400/+29.7030+129.9200/+29.7000+129.9023/+29.6983+129.9000/+29.6851+129.8800/+29.6807+129.8600/+29.6800+129.8574/+29.6649+129.8400/+29.6606+129.8200/+29.6600+129.8170/+29.6453+129.8000/+29.6405+129.7800/+29.6400+129.7767/+29.6239+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6206+129.7000/+29.6400+129.6806/+29.6600+129.6830/+29.6770+129.7000/+29.6800+129.7200/+29.6800+129.7203/+29.6996+129.7400/+29.7000+129.7440/+29.7160+129.7600/+29.7200+129.7800/+29.7200+129.7802/+29.7380+129.8000/+29.7400+129.8086/+29.7507+129.8200/+29.7594+129.8400/+29.7600+129.8419/+29.7740+129.8600/+29.7800+129.8784/+29.7814+129.8800/+29.7932+129.9000/+29.7982+129.9200/+29.8000+129.9283/+29.8063+129.9400/+29.8174+129.9600/+29.8200+129.9689/+29.8267+129.9800/+29.8357+130.0000/+29.8400+130.0135/+29.8429+130.0200/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6597+129.7200/+29.6409+129.7400/+29.6400+129.7403/+29.6397+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6597+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-19T00:00:00+09:00 2026-07-19T03:00:00+09:00 降灰 70 +29.8623+130.0800/+29.8653+130.1000/+29.8698+130.1200/+29.8698+130.1400/+29.8641+130.1600/+29.8600+130.1670/+29.8400+130.1702/+29.8315+130.1600/+29.8200+130.1436/+29.8174+130.1400/+29.8031+130.1200/+29.8000+130.1173/+29.7865+130.1000/+29.7800+130.0867/+29.7777+130.0800/+29.7676+130.0600/+29.7600+130.0429/+29.7572+130.0400/+29.7400+130.0203/+29.7398+130.0200/+29.7400+130.0192/+29.7410+130.0000/+29.7400+129.9977/+29.7273+129.9800/+29.7214+129.9600/+29.7200+129.9544/+29.7072+129.9400/+29.7013+129.9200/+29.7000+129.9143/+29.6847+129.9000/+29.6806+129.8800/+29.6800+129.8740/+29.6709+129.8600/+29.6617+129.8400/+29.6600+129.8200/+29.6427+129.8000/+29.6402+129.7800/+29.6400+129.7785/+29.6223+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6206+129.7000/+29.6400+129.6806/+29.6600+129.6832/+29.6768+129.7000/+29.6800+129.7200/+29.6800+129.7208/+29.6991+129.7400/+29.7000+129.7510/+29.7090+129.7600/+29.7190+129.7800/+29.7200+129.7850/+29.7344+129.8000/+29.7395+129.8200/+29.7400+129.8226/+29.7548+129.8400/+29.7600+129.8600/+29.7748+129.8800/+29.7800+129.8972/+29.7817+129.9000/+29.7921+129.9200/+29.7980+129.9400/+29.8000+129.9490/+29.8070+129.9600/+29.8192+129.9800/+29.8200+129.9822/+29.8335+130.0000/+29.8400+130.0166/+29.8417+130.0200/+29.8499+130.0400/+29.8576+130.0600/+29.8600+130.0698/+29.8623+130.0800/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6606+129.7200/+29.6600+129.7221/+29.6477+129.7400/+29.6400+129.7430/+29.6371+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7194/+29.6606+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-19T03:00:00+09:00 2026-07-19T06:00:00+09:00 降灰 70 +29.8243+130.0800/+29.8258+130.1000/+29.8278+130.1200/+29.8279+130.1400/+29.8283+130.1600/+29.8229+130.1800/+29.8200+130.1843/+29.8000+130.1957/+29.7889+130.1800/+29.7800+130.1621/+29.7791+130.1600/+29.7671+130.1400/+29.7600+130.1308/+29.7534+130.1200/+29.7460+130.1000/+29.7400+130.0856/+29.7373+130.0800/+29.7287+130.0600/+29.7219+130.0400/+29.7200+130.0362/+29.7122+130.0200/+29.7140+130.0000/+29.7069+129.9800/+29.7020+129.9600/+29.7000+129.9503/+29.6935+129.9400/+29.6848+129.9200/+29.6812+129.9000/+29.6800+129.8934/+29.6678+129.8800/+29.6625+129.8600/+29.6603+129.8400/+29.6600+129.8380/+29.6435+129.8200/+29.6404+129.8000/+29.6400+129.7869/+29.6357+129.7800/+29.6206+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6207+129.7000/+29.6400+129.6807/+29.6600+129.6844/+29.6756+129.7000/+29.6799+129.7200/+29.6800+129.7278/+29.6922+129.7400/+29.6996+129.7600/+29.7000+129.7800/+29.7000+129.7802/+29.7181+129.8000/+29.7198+129.8200/+29.7200+129.8220/+29.7354+129.8400/+29.7389+129.8600/+29.7400+129.8682/+29.7494+129.8800/+29.7566+129.9000/+29.7600+129.9193/+29.7606+129.9200/+29.7730+129.9400/+29.7785+129.9600/+29.7800+129.9633/+29.7952+129.9800/+29.7999+130.0000/+29.8000+130.0003/+29.8073+130.0200/+29.8125+130.0400/+29.8152+130.0600/+29.8200+130.0730/+29.8243+130.0800/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6598+129.7200/+29.6465+129.7400/+29.6400+129.7422/+29.6379+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6598+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-19T06:00:00+09:00 2026-07-19T09:00:00+09:00 降灰 70 +29.7620+130.0400/+29.7670+130.0600/+29.7714+130.0800/+29.7774+130.1000/+29.7785+130.1200/+29.7776+130.1400/+29.7764+130.1600/+29.7744+130.1800/+29.7717+130.2000/+29.7600+130.2099/+29.7451+130.2000/+29.7400+130.1874/+29.7368+130.1800/+29.7272+130.1600/+29.7200+130.1546/+29.7106+130.1400/+29.7050+130.1200/+29.7000+130.1035/+29.6986+130.1000/+29.6894+130.0800/+29.6827+130.0600/+29.6800+130.0502/+29.6763+130.0400/+29.6800+130.0257/+29.6805+130.0200/+29.6800+130.0181/+29.6712+130.0000/+29.6671+129.9800/+29.6648+129.9600/+29.6626+129.9400/+29.6606+129.9200/+29.6600+129.9145/+29.6513+129.9000/+29.6448+129.8800/+29.6422+129.8600/+29.6407+129.8400/+29.6401+129.8200/+29.6400+129.8177/+29.6273+129.8000/+29.6211+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6207+129.7000/+29.6400+129.6807/+29.6600+129.6854/+29.6746+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7457/+29.6943+129.7600/+29.6990+129.7800/+29.6996+129.8000/+29.7000+129.8110/+29.7077+129.8200/+29.7164+129.8400/+29.7183+129.8600/+29.7198+129.8800/+29.7200+129.8824/+29.7298+129.9000/+29.7351+129.9200/+29.7377+129.9400/+29.7400+129.9519/+29.7455+129.9600/+29.7488+129.9800/+29.7534+130.0000/+29.7576+130.0200/+29.7600+130.0360/+29.7620+130.0400/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6400+129.7399/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 1 鹿児島県十島村 4630400 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、１８日２１時から２４時までは火口から北東方向に降灰が予想されます。 　１８日１５時から１９日９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 　１８日１５時から１８時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１８日１８時から２１時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１８日２１時から２４時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１９日００時から０３時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１９日０３時から０６時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１９日０６時から０９時まで　東　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　 　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：十島村 　 　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。