2026-07-04T11:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T20:00:00+09:00 2026-07-04T21:00:00+09:00 2026-07-05T15:00:00+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 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +29.7843+130.0800/+29.7884+130.1000/+29.7888+130.1200/+29.7886+130.1400/+29.7883+130.1600/+29.7889+130.1800/+29.7903+130.2000/+29.7802+130.2200/+29.7800+130.2206/+29.7692+130.2400/+29.7600+130.2521/+29.7400+130.2408/+29.7397+130.2400/+29.7301+130.2200/+29.7212+130.2000/+29.7200+130.1976/+29.7138+130.1800/+29.7085+130.1600/+29.7018+130.1400/+29.7042+130.1200/+29.7004+130.1000/+29.7000+130.0979/+29.6930+130.0800/+29.6865+130.0600/+29.6818+130.0400/+29.6846+130.0200/+29.6813+130.0000/+29.6804+129.9800/+29.6800+129.9770/+29.6725+129.9600/+29.6644+129.9400/+29.6620+129.9200/+29.6608+129.9000/+29.6600+129.8924/+29.6509+129.8800/+29.6434+129.8600/+29.6411+129.8400/+29.6404+129.8200/+29.6400+129.8031/+29.6375+129.8000/+29.6217+129.7800/+29.6202+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6211+129.7000/+29.6400+129.6811/+29.6600+129.6871/+29.6729+129.7000/+29.6799+129.7200/+29.6800+129.7400/+29.6800+129.7423/+29.6976+129.7600/+29.6995+129.7800/+29.6998+129.8000/+29.7000+129.8024/+29.7157+129.8200/+29.7185+129.8400/+29.7198+129.8600/+29.7200+129.8614/+29.7329+129.8800/+29.7372+129.9000/+29.7390+129.9200/+29.7400+129.9281/+29.7468+129.9400/+29.7527+129.9600/+29.7568+129.9800/+29.7600+129.9915/+29.7681+130.0000/+29.7729+130.0200/+29.7747+130.0400/+29.7796+130.0600/+29.7800+130.0624/+29.7843+130.0800/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6484+129.7400/+29.6400+129.7474/+29.6342+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 +29.8057+130.0800/+29.8084+130.1000/+29.8123+130.1200/+29.8145+130.1400/+29.8166+130.1600/+29.8136+130.1800/+29.8102+130.2000/+29.8103+130.2200/+29.8105+130.2400/+29.8092+130.2600/+29.8060+130.2800/+29.8021+130.3000/+29.8000+130.3063/+29.7974+130.3000/+29.7912+130.2800/+29.7840+130.2600/+29.7800+130.2482/+29.7767+130.2400/+29.7663+130.2200/+29.7600+130.2178/+29.7486+130.2000/+29.7400+130.1830/+29.7388+130.1800/+29.7325+130.1600/+29.7271+130.1400/+29.7225+130.1200/+29.7200+130.1139/+29.7152+130.1000/+29.7111+130.0800/+29.7072+130.0600/+29.7042+130.0400/+29.7002+130.0200/+29.7000+130.0150/+29.6979+130.0000/+29.6896+129.9800/+29.6852+129.9600/+29.6823+129.9400/+29.6800+129.9217/+29.6788+129.9200/+29.6664+129.9000/+29.6625+129.8800/+29.6608+129.8600/+29.6600+129.8519/+29.6503+129.8400/+29.6420+129.8200/+29.6405+129.8000/+29.6400+129.7876/+29.6325+129.7800/+29.6205+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6211+129.7000/+29.6400+129.6811/+29.6600+129.6862/+29.6738+129.7000/+29.6799+129.7200/+29.6800+129.7267/+29.6933+129.7400/+29.6996+129.7600/+29.7000+129.7766/+29.7034+129.7800/+29.7183+129.8000/+29.7197+129.8200/+29.7200+129.8223/+29.7347+129.8400/+29.7382+129.8600/+29.7400+129.8762/+29.7431+129.8800/+29.7545+129.9000/+29.7580+129.9200/+29.7600+129.9297/+29.7668+129.9400/+29.7721+129.9600/+29.7800+129.9756/+29.7840+129.9800/+29.7902+130.0000/+29.7943+130.0200/+29.7975+130.0400/+29.8000+130.0600/+29.8000+130.0602/+29.8057+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6596+129.7200/+29.6575+129.7400/+29.6400+129.7494/+29.6320+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6596+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 +29.8610+130.1800/+29.8623+130.2000/+29.8600+130.2141/+29.8521+130.2200/+29.8400+130.2261/+29.8378+130.2200/+29.8292+130.2000/+29.8200+130.1936/+29.8009+130.1800/+29.8000+130.1794/+29.7893+130.1600/+29.7800+130.1456/+29.7770+130.1400/+29.7683+130.1200/+29.7622+130.1000/+29.7600+130.0946/+29.7529+130.0800/+29.7435+130.0600/+29.7400+130.0510/+29.7348+130.0400/+29.7254+130.0200/+29.7256+130.0000/+29.7200+129.9881/+29.7138+129.9800/+29.7059+129.9600/+29.7008+129.9400/+29.7000+129.9371/+29.6887+129.9200/+29.6831+129.9000/+29.6800+129.8822/+29.6781+129.8800/+29.6649+129.8600/+29.6611+129.8400/+29.6600+129.8314/+29.6495+129.8200/+29.6412+129.8000/+29.6402+129.7800/+29.6400+129.7791/+29.6211+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6210+129.7000/+29.6400+129.6810/+29.6600+129.6854/+29.6746+129.7000/+29.6799+129.7200/+29.6800+129.7212/+29.6988+129.7400/+29.6999+129.7600/+29.7000+129.7609/+29.7182+129.7800/+29.7200+129.7936/+29.7263+129.8000/+29.7379+129.8200/+29.7400+129.8313/+29.7481+129.8400/+29.7568+129.8600/+29.7600+129.8720/+29.7668+129.8800/+29.7754+129.9000/+29.7800+129.9200/+29.7800+129.9201/+29.7917+129.9400/+29.7981+129.9600/+29.8000+129.9642/+29.8121+129.9800/+29.8167+130.0000/+29.8200+130.0177/+29.8213+130.0200/+29.8300+130.0400/+29.8358+130.0600/+29.8400+130.0755/+29.8425+130.0800/+29.8495+130.1000/+29.8553+130.1200/+29.8567+130.1400/+29.8584+130.1600/+29.8600+130.1738/+29.8610+130.1800/ 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/+29.6560+129.7400/+29.6400+129.7475/+29.6325+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6597+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +29.8221+130.1800/+29.8236+130.2000/+29.8217+130.2200/+29.8200+130.2349/+29.8193+130.2400/+29.8166+130.2600/+29.8133+130.2800/+29.8090+130.3000/+29.8000+130.3154/+29.7929+130.3000/+29.7873+130.2800/+29.7814+130.2600/+29.7800+130.2560/+29.7740+130.2400/+29.7640+130.2200/+29.7600+130.2174/+29.7484+130.2000/+29.7427+130.1800/+29.7400+130.1686/+29.7381+130.1600/+29.7301+130.1400/+29.7246+130.1200/+29.7200+130.1086/+29.7166+130.1000/+29.7112+130.0800/+29.7067+130.0600/+29.7030+130.0400/+29.7000+130.0263/+29.6969+130.0200/+29.6933+130.0000/+29.6889+129.9800/+29.6831+129.9600/+29.6808+129.9400/+29.6800+129.9341/+29.6712+129.9200/+29.6641+129.9000/+29.6614+129.8800/+29.6602+129.8600/+29.6600+129.8585/+29.6447+129.8400/+29.6411+129.8200/+29.6403+129.8000/+29.6400+129.7945/+29.6260+129.7800/+29.6204+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6875/+29.6725+129.7000/+29.6799+129.7200/+29.6800+129.7319/+29.6881+129.7400/+29.6994+129.7600/+29.6999+129.7800/+29.7000+129.7815/+29.7172+129.8000/+29.7193+129.8200/+29.7200+129.8273/+29.7311+129.8400/+29.7370+129.8600/+29.7394+129.8800/+29.7400+129.8831/+29.7527+129.9000/+29.7571+129.9200/+29.7600+129.9361/+29.7627+129.9400/+29.7712+129.9600/+29.7800+129.9765/+29.7833+129.9800/+29.7888+130.0000/+29.7924+130.0200/+29.7954+130.0400/+29.7985+130.0600/+29.8000+130.0698/+29.8037+130.0800/+29.8100+130.1000/+29.8161+130.1200/+29.8179+130.1400/+29.8198+130.1600/+29.8200+130.1621/+29.8221+130.1800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6551+129.7400/+29.6400+129.7511/+29.6314+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +29.8218+130.0800/+29.8231+130.1000/+29.8245+130.1200/+29.8251+130.1400/+29.8259+130.1600/+29.8273+130.1800/+29.8270+130.2000/+29.8236+130.2200/+29.8200+130.2352/+29.8186+130.2400/+29.8123+130.2600/+29.8049+130.2800/+29.8000+130.2897/+29.7965+130.2800/+29.7891+130.2600/+29.7800+130.2407/+29.7797+130.2400/+29.7687+130.2200/+29.7600+130.2134/+29.7516+130.2000/+29.7450+130.1800/+29.7402+130.1600/+29.7400+130.1596/+29.7332+130.1400/+29.7283+130.1200/+29.7228+130.1000/+29.7200+130.0925/+29.7158+130.0800/+29.7112+130.0600/+29.7080+130.0400/+29.7035+130.0200/+29.7018+130.0000/+29.7000+129.9856/+29.6976+129.9800/+29.6865+129.9600/+29.6831+129.9400/+29.6807+129.9200/+29.6800+129.9161/+29.6694+129.9000/+29.6630+129.8800/+29.6609+129.8600/+29.6600+129.8494/+29.6525+129.8400/+29.6420+129.8200/+29.6405+129.8000/+29.6400+129.7854/+29.6353+129.7800/+29.6206+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6872/+29.6728+129.7000/+29.6799+129.7200/+29.6800+129.7252/+29.6948+129.7400/+29.6997+129.7600/+29.7000+129.7738/+29.7062+129.7800/+29.7188+129.8000/+29.7199+129.8200/+29.7200+129.8208/+29.7367+129.8400/+29.7391+129.8600/+29.7400+129.8658/+29.7523+129.8800/+29.7576+129.9000/+29.7600+129.9134/+29.7652+129.9200/+29.7733+129.9400/+29.7771+129.9600/+29.7800+129.9673/+29.7923+129.9800/+29.7977+130.0000/+29.8000+130.0097/+29.8037+130.0200/+29.8091+130.0400/+29.8137+130.0600/+29.8200+130.0767/+29.8218+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6620+129.7400/+29.6600+129.7429/+29.6400+129.7505/+29.6314+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6595+129.7200/+29.6600+129.7356/+29.6620+129.7400/ 東 3 鹿児島県十島村 4630400 2026-07-05T12:00:00+09:00 2026-07-05T15:00:00+09:00 降灰 70 +29.8216+130.0800/+29.8240+130.1000/+29.8262+130.1200/+29.8274+130.1400/+29.8288+130.1600/+29.8336+130.1800/+29.8351+130.2000/+29.8337+130.2200/+29.8314+130.2400/+29.8269+130.2600/+29.8200+130.2743/+29.8144+130.2800/+29.8000+130.2871/+29.7964+130.2800/+29.7879+130.2600/+29.7802+130.2400/+29.7800+130.2395/+29.7725+130.2200/+29.7638+130.2000/+29.7600+130.1932/+29.7528+130.1800/+29.7455+130.1600/+29.7400+130.1452/+29.7384+130.1400/+29.7338+130.1200/+29.7305+130.1000/+29.7238+130.0800/+29.7200+130.0687/+29.7165+130.0600/+29.7109+130.0400/+29.7056+130.0200/+29.7055+130.0000/+29.7026+129.9800/+29.7000+129.9641/+29.6969+129.9600/+29.6858+129.9400/+29.6824+129.9200/+29.6803+129.9000/+29.6800+129.8981/+29.6657+129.8800/+29.6616+129.8600/+29.6603+129.8400/+29.6600+129.8374/+29.6441+129.8200/+29.6406+129.8000/+29.6401+129.7800/+29.6400+129.7796/+29.6206+129.7600/+29.6201+129.7400/+29.6200+129.7200/+29.6215+129.7000/+29.6400+129.6815/+29.6600+129.6881/+29.6719+129.7000/+29.6799+129.7200/+29.6800+129.7330/+29.6870+129.7400/+29.6996+129.7600/+29.6999+129.7800/+29.7000+129.7814/+29.7178+129.8000/+29.7195+129.8200/+29.7200+129.8261/+29.7331+129.8400/+29.7381+129.8600/+29.7400+129.8786/+29.7412+129.8800/+29.7544+129.9000/+29.7585+129.9200/+29.7600+129.9378/+29.7613+129.9400/+29.7736+129.9600/+29.7800+129.9695/+29.7905+129.9800/+29.7947+130.0000/+29.7987+130.0200/+29.8000+130.0255/+29.8060+130.0400/+29.8108+130.0600/+29.8200+130.0780/+29.8216+130.0800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6599+129.7200/+29.6581+129.7400/+29.6400+129.7460/+29.6340+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6599+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２１時から５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 　０４日２１時から２４時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　６０ｋｍ　　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　　　　　 　０５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。