2026-07-03T11:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T20:00:00+09:00 2026-07-03T21:00:00+09:00 2026-07-04T15:00:00+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、３日２１時から２４時までは火口から北東方向、４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 2026-07-03T21:00:00+09:00 2026-07-04T00:00:00+09:00 降灰 70 +29.8232+130.0800/+29.8257+130.1000/+29.8285+130.1200/+29.8260+130.1400/+29.8212+130.1600/+29.8200+130.1719/+29.8189+130.1800/+29.8039+130.2000/+29.8000+130.2051/+29.7975+130.2000/+29.7831+130.1800/+29.7800+130.1754/+29.7676+130.1600/+29.7600+130.1540/+29.7516+130.1400/+29.7432+130.1200/+29.7400+130.1051/+29.7389+130.1000/+29.7277+130.0800/+29.7200+130.0650/+29.7177+130.0600/+29.7098+130.0400/+29.7059+130.0200/+29.7049+130.0000/+29.7000+129.9872/+29.6961+129.9800/+29.6853+129.9600/+29.6831+129.9400/+29.6800+129.9266/+29.6756+129.9200/+29.6655+129.9000/+29.6631+129.8800/+29.6602+129.8600/+29.6600+129.8587/+29.6471+129.8400/+29.6419+129.8200/+29.6405+129.8000/+29.6400+129.7946/+29.6264+129.7800/+29.6205+129.7600/+29.6201+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+129.7235/+29.6965+129.7400/+29.6997+129.7600/+29.7000+129.7672/+29.7128+129.7800/+29.7191+129.8000/+29.7200+129.8114/+29.7283+129.8200/+29.7381+129.8400/+29.7400+129.8567/+29.7430+129.8600/+29.7560+129.8800/+29.7591+129.9000/+29.7600+129.9059/+29.7698+129.9200/+29.7770+129.9400/+29.7800+129.9510/+29.7861+129.9600/+29.7965+129.9800/+29.8000+129.9896/+29.8057+130.0000/+29.8109+130.0200/+29.8135+130.0400/+29.8150+130.0600/+29.8200+130.0745/+29.8232+130.0800/ 北東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6600+129.7200/+29.6400+129.7399/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7200/ 東 1 鹿児島県十島村 4630400 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +29.9034+130.1600/+29.9084+130.1800/+29.9132+130.2000/+29.9083+130.2200/+29.9005+130.2400/+29.9000+130.2408/+29.8996+130.2400/+29.8903+130.2200/+29.8800+130.2002/+29.8799+130.2000/+29.8613+130.1800/+29.8600+130.1797/+29.8426+130.1600/+29.8400+130.1585/+29.8237+130.1400/+29.8200+130.1334/+29.8141+130.1200/+29.8013+130.1000/+29.8000+130.0981/+29.7894+130.0800/+29.7800+130.0619/+29.7790+130.0600/+29.7707+130.0400/+29.7630+130.0200/+29.7600+130.0137/+29.7514+130.0000/+29.7470+129.9800/+29.7405+129.9600/+29.7400+129.9583/+29.7275+129.9400/+29.7216+129.9200/+29.7200+129.9162/+29.7057+129.9000/+29.7008+129.8800/+29.7000+129.8772/+29.6850+129.8600/+29.6806+129.8400/+29.6800+129.8381/+29.6628+129.8200/+29.6602+129.8000/+29.6600+129.7995/+29.6407+129.7800/+29.6400+129.7687/+29.6313+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6208+129.7000/+29.6400+129.6808/+29.6600+129.6835/+29.6765+129.7000/+29.6799+129.7200/+29.6800+129.7206/+29.6994+129.7400/+29.7000+129.7600/+29.7193+129.7800/+29.7200+129.7861/+29.7338+129.8000/+29.7394+129.8200/+29.7400+129.8228/+29.7562+129.8400/+29.7598+129.8600/+29.7600+129.8610/+29.7764+129.8800/+29.7800+129.8983/+29.7815+129.9000/+29.7966+129.9200/+29.8000+129.9388/+29.8010+129.9400/+29.8186+129.9600/+29.8200+129.9628/+29.8354+129.9800/+29.8400+129.9893/+29.8460+130.0000/+29.8549+130.0200/+29.8600+130.0311/+29.8654+130.0400/+29.8733+130.0600/+29.8788+130.0800/+29.8800+130.0848/+29.8878+130.1000/+29.8956+130.1200/+29.8978+130.1400/+29.9000+130.1504/+29.9034+130.1600/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6677+129.7200/+29.6600+129.7393/+29.6400+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7123/+29.6677+129.7200/ 北東 2 鹿児島県十島村 4630400 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +29.9204+130.1800/+29.9213+130.2000/+29.9200+130.2039/+29.9106+130.2200/+29.9000+130.2276/+29.8947+130.2200/+29.8819+130.2000/+29.8800+130.1974/+29.8600+130.1812/+29.8583+130.1800/+29.8400+130.1623/+29.8387+130.1600/+29.8221+130.1400/+29.8200+130.1364/+29.8128+130.1200/+29.8003+130.1000/+29.8000+130.0996/+29.7889+130.0800/+29.7800+130.0666/+29.7762+130.0600/+29.7678+130.0400/+29.7600+130.0231/+29.7567+130.0200/+29.7475+130.0000/+29.7412+129.9800/+29.7400+129.9773/+29.7282+129.9600/+29.7209+129.9400/+29.7200+129.9376/+29.7067+129.9200/+29.7014+129.9000/+29.7000+129.8956/+29.6869+129.8800/+29.6815+129.8600/+29.6800+129.8539/+29.6670+129.8400/+29.6609+129.8200/+29.6600+129.8140/+29.6464+129.8000/+29.6404+129.7800/+29.6400+129.7763/+29.6237+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6853/+29.6747+129.7000/+29.6799+129.7200/+29.6800+129.7207/+29.6993+129.7400/+29.7000+129.7600/+29.7000+129.7602/+29.7192+129.7800/+29.7200+129.7864/+29.7336+129.8000/+29.7394+129.8200/+29.7400+129.8229/+29.7560+129.8400/+29.7600+129.8599/+29.7601+129.8600/+29.7770+129.8800/+29.7800+129.8914/+29.7879+129.9000/+29.7974+129.9200/+29.8000+129.9290/+29.8094+129.9400/+29.8200+129.9558/+29.8260+129.9600/+29.8391+129.9800/+29.8400+129.9820/+29.8499+130.0000/+29.8576+130.0200/+29.8600+130.0255/+29.8687+130.0400/+29.8770+130.0600/+29.8800+130.0670/+29.8895+130.0800/+29.8981+130.1000/+29.9000+130.1052/+29.9077+130.1200/+29.9154+130.1400/+29.9199+130.1600/+29.9200+130.1631/+29.9204+130.1800/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6689+129.7200/+29.6652+129.7400/+29.6600+129.7472/+29.6400+129.7481/+29.6319+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7111/+29.6689+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +29.8665+130.1600/+29.8716+130.1800/+29.8756+130.2000/+29.8764+130.2200/+29.8775+130.2400/+29.8777+130.2600/+29.8762+130.2800/+29.8724+130.3000/+29.8600+130.3120/+29.8458+130.3000/+29.8400+130.2954/+29.8341+130.2800/+29.8272+130.2600/+29.8200+130.2403/+29.8199+130.2400/+29.8087+130.2200/+29.8000+130.2091/+29.7958+130.2000/+29.7830+130.1800/+29.7800+130.1734/+29.7753+130.1600/+29.7680+130.1400/+29.7622+130.1200/+29.7600+130.1054/+29.7586+130.1000/+29.7455+130.0800/+29.7400+130.0686/+29.7355+130.0600/+29.7275+130.0400/+29.7204+130.0200/+29.7225+130.0000/+29.7200+129.9913/+29.7118+129.9800/+29.7042+129.9600/+29.7014+129.9400/+29.7000+129.9350/+29.6879+129.9200/+29.6823+129.9000/+29.6801+129.8800/+29.6800+129.8797/+29.6641+129.8600/+29.6607+129.8400/+29.6600+129.8327/+29.6484+129.8200/+29.6410+129.8000/+29.6401+129.7800/+29.6400+129.7792/+29.6210+129.7600/+29.6201+129.7400/+29.6201+129.7200/+29.6219+129.7000/+29.6400+129.6819/+29.6600+129.6893/+29.6707+129.7000/+29.6799+129.7200/+29.6800+129.7225/+29.6975+129.7400/+29.6998+129.7600/+29.7000+129.7647/+29.7153+129.7800/+29.7194+129.8000/+29.7200+129.8060/+29.7334+129.8200/+29.7387+129.8400/+29.7400+129.8503/+29.7489+129.8600/+29.7573+129.8800/+29.7600+129.8986/+29.7611+129.9000/+29.7750+129.9200/+29.7795+129.9400/+29.7800+129.9419/+29.7922+129.9600/+29.8000+129.9726/+29.8070+129.9800/+29.8130+130.0000/+29.8165+130.0200/+29.8194+130.0400/+29.8200+130.0430/+29.8299+130.0600/+29.8373+130.0800/+29.8400+130.0923/+29.8450+130.1000/+29.8542+130.1200/+29.8596+130.1400/+29.8600+130.1418/+29.8665+130.1600/ 北東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6655+129.7200/+29.6660+129.7400/+29.6600+129.7500/+29.6400+129.7547/+29.6285+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6600+129.7145/+29.6655+129.7200/ 北東 3 鹿児島県十島村 4630400 2026-07-04T09:00:00+09:00 2026-07-04T12:00:00+09:00 降灰 70 +29.8013+130.1200/+29.8047+130.1400/+29.8078+130.1600/+29.8072+130.1800/+29.8090+130.2000/+29.8075+130.2200/+29.8058+130.2400/+29.8029+130.2600/+29.8000+130.2730/+29.7800+130.2799/+29.7796+130.2800/+29.7600+130.2829/+29.7572+130.2800/+29.7400+130.2615/+29.7394+130.2600/+29.7328+130.2400/+29.7306+130.2200/+29.7288+130.2000/+29.7202+130.1800/+29.7200+130.1796/+29.7106+130.1600/+29.7050+130.1400/+29.7086+130.1200/+29.7048+130.1000/+29.7029+130.0800/+29.7000+130.0634/+29.6982+130.0600/+29.6881+130.0400/+29.6865+130.0200/+29.6842+130.0000/+29.6816+129.9800/+29.6800+129.9643/+29.6779+129.9600/+29.6686+129.9400/+29.6643+129.9200/+29.6617+129.9000/+29.6601+129.8800/+29.6600+129.8785/+29.6480+129.8600/+29.6421+129.8400/+29.6407+129.8200/+29.6401+129.8000/+29.6400+129.7982/+29.6230+129.7800/+29.6203+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6219+129.7000/+29.6400+129.6819/+29.6600+129.6907/+29.6693+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7403/+29.6993+129.7600/+29.6998+129.7800/+29.7000+129.7847/+29.7150+129.8000/+29.7189+129.8200/+29.7200+129.8400/+29.7200+129.8403/+29.7358+129.8600/+29.7384+129.8800/+29.7400+129.8935/+29.7456+129.9000/+29.7549+129.9200/+29.7577+129.9400/+29.7600+129.9542/+29.7638+129.9600/+29.7779+129.9800/+29.7800+129.9990/+29.7802+130.0000/+29.7852+130.0200/+29.7905+130.0400/+29.7935+130.0600/+29.7967+130.0800/+29.7981+130.1000/+29.8000+130.1152/+29.8013+130.1200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6591+129.7200/+29.6595+129.7400/+29.6400+129.7552/+29.6277+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6591+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +29.7853+130.0400/+29.7893+130.0600/+29.7922+130.0800/+29.7941+130.1000/+29.7958+130.1200/+29.7956+130.1400/+29.7954+130.1600/+29.7957+130.1800/+29.7970+130.2000/+29.7954+130.2200/+29.7948+130.2400/+29.7937+130.2600/+29.7914+130.2800/+29.7847+130.3000/+29.7800+130.3055/+29.7600+130.3170/+29.7492+130.3000/+29.7400+130.2891/+29.7371+130.2800/+29.7316+130.2600/+29.7268+130.2400/+29.7222+130.2200/+29.7200+130.2112/+29.7170+130.2000/+29.7092+130.1800/+29.7040+130.1600/+29.7000+130.1443/+29.6991+130.1400/+29.7000+130.1354/+29.7020+130.1200/+29.7000+130.1078/+29.6976+130.1000/+29.6873+130.0800/+29.6820+130.0600/+29.6800+130.0491/+29.6775+130.0400/+29.6800+130.0353/+29.6823+130.0200/+29.6800+130.0072/+29.6762+130.0000/+29.6691+129.9800/+29.6656+129.9600/+29.6630+129.9400/+29.6609+129.9200/+29.6600+129.9094/+29.6545+129.9000/+29.6463+129.8800/+29.6428+129.8600/+29.6411+129.8400/+29.6403+129.8200/+29.6400+129.8124/+29.6295+129.8000/+29.6213+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6220+129.7000/+29.6400+129.6820/+29.6600+129.6921/+29.6679+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7409/+29.6988+129.7600/+29.6997+129.7800/+29.7000+129.7897/+29.7102+129.8000/+29.7182+129.8200/+29.7195+129.8400/+29.7200+129.8452/+29.7324+129.8600/+29.7373+129.8800/+29.7391+129.9000/+29.7400+129.9053/+29.7507+129.9200/+29.7549+129.9400/+29.7578+129.9600/+29.7600+129.9680/+29.7717+129.9800/+29.7764+130.0000/+29.7799+130.0200/+29.7800+130.0208/+29.7853+130.0400/ 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+129.7541/+29.6293+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+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、３日２１時から２４時までは火口から北東方向、４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。 　３日２１時から４日１５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 　０３日２１時から２４時まで　北東　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０４日００時から０３時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５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。