2026-07-04T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T17:00:00+09:00 2026-07-04T18:00:00+09:00 2026-07-05T12:00:00+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、４日２１時から２４時までは火口から東方向、５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 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 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +29.7869+130.1000/+29.7881+130.1200/+29.7879+130.1400/+29.7877+130.1600/+29.7888+130.1800/+29.7910+130.2000/+29.7846+130.2200/+29.7801+130.2400/+29.7800+130.2405/+29.7743+130.2600/+29.7644+130.2800/+29.7600+130.2855/+29.7508+130.2800/+29.7400+130.2740/+29.7347+130.2600/+29.7287+130.2400/+29.7234+130.2200/+29.7200+130.2101/+29.7166+130.2000/+29.7085+130.1800/+29.7032+130.1600/+29.7000+130.1503/+29.6974+130.1400/+29.7000+130.1326/+29.7025+130.1200/+29.7000+130.1028/+29.6989+130.1000/+29.6892+130.0800/+29.6829+130.0600/+29.6800+130.0475/+29.6776+130.0400/+29.6800+130.0366/+29.6831+130.0200/+29.6817+130.0000/+29.6800+129.9874/+29.6756+129.9800/+29.6661+129.9600/+29.6632+129.9400/+29.6619+129.9200/+29.6605+129.9000/+29.6600+129.8956/+29.6490+129.8800/+29.6431+129.8600/+29.6412+129.8400/+29.6404+129.8200/+29.6400+129.8065/+29.6338+129.8000/+29.6214+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6894/+29.6706+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7419/+29.6979+129.7600/+29.6995+129.7800/+29.6999+129.8000/+29.7000+129.8012/+29.7162+129.8200/+29.7186+129.8400/+29.7200+129.8587/+29.7212+129.8600/+29.7330+129.8800/+29.7372+129.9000/+29.7393+129.9200/+29.7400+129.9275/+29.7452+129.9400/+29.7487+129.9600/+29.7543+129.9800/+29.7600+129.9996/+29.7604+130.0000/+29.7681+130.0200/+29.7712+130.0400/+29.7761+130.0600/+29.7798+130.0800/+29.7800+130.0807/+29.7869+130.1000/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6530+129.7400/+29.6400+129.7528/+29.6305+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +29.7802+130.1400/+29.7820+130.1600/+29.7813+130.1800/+29.7804+130.2000/+29.7800+130.2023/+29.7760+130.2200/+29.7723+130.2400/+29.7675+130.2600/+29.7616+130.2800/+29.7600+130.2844/+29.7436+130.2800/+29.7400+130.2791/+29.7339+130.2600/+29.7271+130.2400/+29.7200+130.2322/+29.7120+130.2200/+29.7054+130.2000/+29.7000+130.1820/+29.6995+130.1800/+29.6954+130.1600/+29.6924+130.1400/+29.6893+130.1200/+29.6854+130.1000/+29.6804+130.0800/+29.6800+130.0779/+29.6745+130.0600/+29.6701+130.0400/+29.6764+130.0200/+29.6696+130.0000/+29.6661+129.9800/+29.6637+129.9600/+29.6614+129.9400/+29.6603+129.9200/+29.6600+129.9171/+29.6492+129.9000/+29.6443+129.8800/+29.6417+129.8600/+29.6407+129.8400/+29.6402+129.8200/+29.6400+129.8167/+29.6256+129.8000/+29.6208+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6889/+29.6711+129.7000/+29.6799+129.7200/+29.6799+129.7400/+29.6800+129.7502/+29.6898+129.7600/+29.6989+129.7800/+29.6995+129.8000/+29.6999+129.8200/+29.7000+129.8211/+29.7151+129.8400/+29.7179+129.8600/+29.7190+129.8800/+29.7200+129.8949/+29.7236+129.9000/+29.7339+129.9200/+29.7365+129.9400/+29.7387+129.9600/+29.7400+129.9713/+29.7441+129.9800/+29.7511+130.0000/+29.7562+130.0200/+29.7576+130.0400/+29.7598+130.0600/+29.7600+130.0618/+29.7662+130.0800/+29.7746+130.1000/+29.7783+130.1200/+29.7800+130.1377/+29.7802+130.1400/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6518+129.7400/+29.6400+129.7510/+29.6313+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +29.7832+130.0800/+29.7871+130.1000/+29.7879+130.1200/+29.7879+130.1400/+29.7878+130.1600/+29.7867+130.1800/+29.7857+130.2000/+29.7800+130.2155/+29.7772+130.2200/+29.7710+130.2400/+29.7600+130.2582/+29.7400+130.2415/+29.7395+130.2400/+29.7332+130.2200/+29.7270+130.2000/+29.7200+130.1890/+29.7159+130.1800/+29.7090+130.1600/+29.7028+130.1400/+29.7056+130.1200/+29.7025+130.1000/+29.7000+130.0885/+29.6962+130.0800/+29.6875+130.0600/+29.6818+130.0400/+29.6843+130.0200/+29.6812+130.0000/+29.6800+129.9820/+29.6794+129.9800/+29.6734+129.9600/+29.6659+129.9400/+29.6626+129.9200/+29.6612+129.9000/+29.6600+129.8853/+29.6552+129.8800/+29.6447+129.8600/+29.6414+129.8400/+29.6404+129.8200/+29.6400+129.8000/+29.6400+129.7999/+29.6220+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6211+129.7000/+29.6400+129.6810/+29.6600+129.6870/+29.6730+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7424/+29.6975+129.7600/+29.6995+129.7800/+29.6999+129.8000/+29.7000+129.8026/+29.7153+129.8200/+29.7184+129.8400/+29.7196+129.8600/+29.7200+129.8637/+29.7324+129.8800/+29.7366+129.9000/+29.7389+129.9200/+29.7400+129.9304/+29.7454+129.9400/+29.7530+129.9600/+29.7567+129.9800/+29.7600+129.9911/+29.7693+130.0000/+29.7740+130.0200/+29.7763+130.0400/+29.7797+130.0600/+29.7800+130.0624/+29.7832+130.0800/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6590+129.7200/+29.6508+129.7400/+29.6400+129.7495/+29.6325+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6590+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +29.8248+130.0800/+29.8281+130.1000/+29.8318+130.1200/+29.8329+130.1400/+29.8346+130.1600/+29.8344+130.1800/+29.8309+130.2000/+29.8229+130.2200/+29.8200+130.2238/+29.8000+130.2358/+29.7908+130.2200/+29.7819+130.2000/+29.7800+130.1964/+29.7731+130.1800/+29.7650+130.1600/+29.7600+130.1502/+29.7546+130.1400/+29.7472+130.1200/+29.7428+130.1000/+29.7400+130.0935/+29.7330+130.0800/+29.7242+130.0600/+29.7200+130.0497/+29.7158+130.0400/+29.7089+130.0200/+29.7106+130.0000/+29.7033+129.9800/+29.7004+129.9600/+29.7000+129.9579/+29.6887+129.9400/+29.6823+129.9200/+29.6804+129.9000/+29.6800+129.8980/+29.6658+129.8800/+29.6615+129.8600/+29.6601+129.8400/+29.6600+129.8394/+29.6427+129.8200/+29.6405+129.8000/+29.6400+129.7800/+29.6400+129.7799/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6810/+29.6600+129.6855/+29.6745+129.7000/+29.6799+129.7200/+29.6800+129.7312/+29.6888+129.7400/+29.6995+129.7600/+29.6999+129.7800/+29.7000+129.7806/+29.7180+129.8000/+29.7197+129.8200/+29.7200+129.8230/+29.7347+129.8400/+29.7384+129.8600/+29.7400+129.8720/+29.7471+129.8800/+29.7562+129.9000/+29.7593+129.9200/+29.7600+129.9233/+29.7714+129.9400/+29.7762+129.9600/+29.7800+129.9674/+29.7926+129.9800/+29.7967+130.0000/+29.8000+130.0132/+29.8031+130.0200/+29.8100+130.0400/+29.8137+130.0600/+29.8200+130.0734/+29.8248+130.0800/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6527+129.7400/+29.6400+129.7476/+29.6340+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +29.8047+130.1600/+29.8073+130.1800/+29.8115+130.2000/+29.8107+130.2200/+29.8099+130.2400/+29.8086+130.2600/+29.8068+130.2800/+29.8046+130.3000/+29.8000+130.3106/+29.7949+130.3000/+29.7905+130.2800/+29.7847+130.2600/+29.7800+130.2504/+29.7725+130.2400/+29.7600+130.2320/+29.7481+130.2200/+29.7400+130.2068/+29.7387+130.2000/+29.7323+130.1800/+29.7275+130.1600/+29.7203+130.1400/+29.7200+130.1391/+29.7143+130.1200/+29.7078+130.1000/+29.7048+130.0800/+29.7015+130.0600/+29.7000+130.0515/+29.6936+130.0400/+29.6892+130.0200/+29.6871+130.0000/+29.6832+129.9800/+29.6808+129.9600/+29.6800+129.9540/+29.6708+129.9400/+29.6647+129.9200/+29.6620+129.9000/+29.6605+129.8800/+29.6600+129.8747/+29.6482+129.8600/+29.6422+129.8400/+29.6406+129.8200/+29.6402+129.8000/+29.6400+129.7977/+29.6228+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6887/+29.6713+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7424/+29.6975+129.7600/+29.6996+129.7800/+29.6998+129.8000/+29.7000+129.8037/+29.7151+129.8200/+29.7185+129.8400/+29.7194+129.8600/+29.7200+129.8663/+29.7319+129.8800/+29.7370+129.9000/+29.7389+129.9200/+29.7400+129.9312/+29.7457+129.9400/+29.7534+129.9600/+29.7567+129.9800/+29.7600+129.9927/+29.7687+130.0000/+29.7766+130.0200/+29.7800+130.0333/+29.7824+130.0400/+29.7865+130.0600/+29.7902+130.0800/+29.7938+130.1000/+29.7963+130.1200/+29.7989+130.1400/+29.8000+130.1465/+29.8047+130.1600/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6555+129.7400/+29.6400+129.7493/+29.6328+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +29.8041+130.1200/+29.8070+130.1400/+29.8099+130.1600/+29.8119+130.1800/+29.8149+130.2000/+29.8150+130.2200/+29.8151+130.2400/+29.8141+130.2600/+29.8117+130.2800/+29.8088+130.3000/+29.8035+130.3200/+29.8000+130.3308/+29.7963+130.3200/+29.7900+130.3000/+29.7824+130.2800/+29.7800+130.2749/+29.7716+130.2600/+29.7600+130.2461/+29.7561+130.2400/+29.7424+130.2200/+29.7400+130.2144/+29.7377+130.2000/+29.7332+130.1800/+29.7295+130.1600/+29.7226+130.1400/+29.7200+130.1319/+29.7167+130.1200/+29.7113+130.1000/+29.7073+130.0800/+29.7037+130.0600/+29.7010+130.0400/+29.7000+130.0367/+29.6917+130.0200/+29.6894+130.0000/+29.6845+129.9800/+29.6813+129.9600/+29.6800+129.9453/+29.6774+129.9400/+29.6668+129.9200/+29.6627+129.9000/+29.6608+129.8800/+29.6600+129.8707/+29.6522+129.8600/+29.6433+129.8400/+29.6409+129.8200/+29.6402+129.8000/+29.6400+129.7971/+29.6240+129.7800/+29.6203+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6884/+29.6716+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7403/+29.6992+129.7600/+29.6998+129.7800/+29.7000+129.7851/+29.7144+129.8000/+29.7188+129.8200/+29.7200+129.8382/+29.7217+129.8400/+29.7351+129.8600/+29.7380+129.8800/+29.7400+129.8978/+29.7419+129.9000/+29.7531+129.9200/+29.7567+129.9400/+29.7600+129.9580/+29.7615+129.9600/+29.7769+129.9800/+29.7800+129.9893/+29.7839+130.0000/+29.7889+130.0200/+29.7930+130.0400/+29.7958+130.0600/+29.7988+130.0800/+29.7997+130.1000/+29.8000+130.1028/+29.8041+130.1200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6542+129.7400/+29.6400+129.7501/+29.6321+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 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、４日２１時から２４時までは火口から東方向、５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。 　４日１８時から５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 　０４日１８時から２１時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　北東　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日０６時から０９時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０９時から１２時まで　東　　　　　　　６０ｋｍ　　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：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。