2026-06-20T17:00:00Z 通常 気象庁本庁 気象庁 2026-06-21T02:00:00+09:00 2026-06-21T03:00:00+09:00 2026-06-21T21:00:00+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、２１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 2026-06-21T03:00:00+09:00 2026-06-21T06:00:00+09:00 降灰 70 +29.8208+130.1200/+29.8238+130.1400/+29.8275+130.1600/+29.8304+130.1800/+29.8323+130.2000/+29.8315+130.2200/+29.8304+130.2400/+29.8288+130.2600/+29.8265+130.2800/+29.8231+130.3000/+29.8218+130.3200/+29.8200+130.3380/+29.8198+130.3400/+29.8145+130.3600/+29.8036+130.3800/+29.8000+130.3847/+29.7989+130.3800/+29.7945+130.3600/+29.7906+130.3400/+29.7867+130.3200/+29.7826+130.3000/+29.7800+130.2927/+29.7754+130.2800/+29.7678+130.2600/+29.7600+130.2447/+29.7575+130.2400/+29.7451+130.2200/+29.7400+130.2047/+29.7393+130.2000/+29.7332+130.1800/+29.7284+130.1600/+29.7239+130.1400/+29.7200+130.1221/+29.7195+130.1200/+29.7125+130.1000/+29.7069+130.0800/+29.7035+130.0600/+29.7007+130.0400/+29.7000+130.0381/+29.6905+130.0200/+29.6878+130.0000/+29.6844+129.9800/+29.6818+129.9600/+29.6800+129.9472/+29.6751+129.9400/+29.6654+129.9200/+29.6619+129.9000/+29.6604+129.8800/+29.6600+129.8767/+29.6468+129.8600/+29.6417+129.8400/+29.6406+129.8200/+29.6400+129.8000/+29.6400+129.7999/+29.6218+129.7800/+29.6202+129.7600/+29.6201+129.7400/+29.6201+129.7200/+29.6233+129.7000/+29.6400+129.6833/+29.6597+129.7000/+29.6600+129.7000/+29.6798+129.7200/+29.6800+129.7286/+29.6914+129.7400/+29.6995+129.7600/+29.7000+129.7768/+29.7032+129.7800/+29.7183+129.8000/+29.7197+129.8200/+29.7200+129.8221/+29.7356+129.8400/+29.7388+129.8600/+29.7400+129.8668/+29.7512+129.8800/+29.7565+129.9000/+29.7600+129.9180/+29.7616+129.9200/+29.7735+129.9400/+29.7787+129.9600/+29.7800+129.9633/+29.7934+129.9800/+29.7968+130.0000/+29.8000+130.0185/+29.8004+130.0200/+29.8060+130.0400/+29.8105+130.0600/+29.8182+130.0800/+29.8194+130.1000/+29.8200+130.1087/+29.8208+130.1200/ 東 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6616+129.7400/+29.6600+129.7435/+29.6400+129.7587/+29.6253+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6596+129.7200/+29.6600+129.7359/+29.6616+129.7400/ 東 3 鹿児島県十島村 4630400 2026-06-21T06:00:00+09:00 2026-06-21T09:00:00+09:00 降灰 70 +29.8420+130.1800/+29.8463+130.2000/+29.8477+130.2200/+29.8495+130.2400/+29.8515+130.2600/+29.8538+130.2800/+29.8568+130.3000/+29.8512+130.3200/+29.8400+130.3390/+29.8200+130.3271/+29.8000+130.3227/+29.7984+130.3200/+29.7889+130.3000/+29.7849+130.2800/+29.7812+130.2600/+29.7800+130.2553/+29.7763+130.2400/+29.7702+130.2200/+29.7632+130.2000/+29.7600+130.1959/+29.7488+130.1800/+29.7410+130.1600/+29.7400+130.1582/+29.7329+130.1400/+29.7283+130.1200/+29.7244+130.1000/+29.7200+130.0865/+29.7173+130.0800/+29.7109+130.0600/+29.7072+130.0400/+29.7030+130.0200/+29.7024+130.0000/+29.7000+129.9868/+29.6949+129.9800/+29.6856+129.9600/+29.6824+129.9400/+29.6800+129.9200/+29.6647+129.9000/+29.6613+129.8800/+29.6600+129.8622/+29.6583+129.8600/+29.6435+129.8400/+29.6405+129.8200/+29.6400+129.8000/+29.6239+129.7800/+29.6203+129.7600/+29.6201+129.7400/+29.6201+129.7200/+29.6227+129.7000/+29.6400+129.6827/+29.6600+129.6971/+29.6629+129.7000/+29.6799+129.7200/+29.6800+129.7244/+29.6956+129.7400/+29.6997+129.7600/+29.7000+129.7691/+29.7109+129.7800/+29.7189+129.8000/+29.7200+129.8160/+29.7240+129.8200/+29.7375+129.8400/+29.7400+129.8600/+29.7555+129.8800/+29.7590+129.9000/+29.7600+129.9054/+29.7702+129.9200/+29.7758+129.9400/+29.7800+129.9598/+29.7802+129.9600/+29.7969+129.9800/+29.8000+129.9904/+29.8046+130.0000/+29.8101+130.0200/+29.8141+130.0400/+29.8163+130.0600/+29.8200+130.0697/+29.8260+130.0800/+29.8289+130.1000/+29.8319+130.1200/+29.8337+130.1400/+29.8359+130.1600/+29.8400+130.1758/+29.8420+130.1800/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6625+129.7400/+29.6600+129.7458/+29.6400+129.7580/+29.6268+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6598+129.7200/+29.6600+129.7313/+29.6625+129.7400/ 東 3 鹿児島県十島村 4630400 2026-06-21T09:00:00+09:00 2026-06-21T12:00:00+09:00 降灰 70 +29.8205+130.2600/+29.8210+130.2800/+29.8215+130.3000/+29.8200+130.3137/+29.8192+130.3200/+29.8163+130.3400/+29.8134+130.3600/+29.8104+130.3800/+29.8057+130.4000/+29.8000+130.4070/+29.7969+130.4000/+29.7925+130.3800/+29.7876+130.3600/+29.7817+130.3400/+29.7800+130.3348/+29.7751+130.3200/+29.7682+130.3000/+29.7600+130.2894/+29.7531+130.2800/+29.7400+130.2623/+29.7390+130.2600/+29.7313+130.2400/+29.7294+130.2200/+29.7259+130.2000/+29.7200+130.1820/+29.7189+130.1800/+29.7102+130.1600/+29.7023+130.1400/+29.7056+130.1200/+29.7025+130.1000/+29.7000+130.0905/+29.6930+130.0800/+29.6842+130.0600/+29.6800+130.0435/+29.6788+130.0400/+29.6800+130.0381/+29.6828+130.0200/+29.6800+130.0002/+29.6799+130.0000/+29.6698+129.9800/+29.6658+129.9600/+29.6619+129.9400/+29.6601+129.9200/+29.6600+129.9183/+29.6534+129.9000/+29.6445+129.8800/+29.6418+129.8600/+29.6404+129.8400/+29.6400+129.8200/+29.6400+129.8199/+29.6246+129.8000/+29.6208+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6201+129.7200/+29.6228+129.7000/+29.6400+129.6828/+29.6597+129.7000/+29.6600+129.7000/+29.6798+129.7200/+29.6800+129.7400/+29.6800+129.7405/+29.6989+129.7600/+29.6997+129.7800/+29.7000+129.7859/+29.7134+129.8000/+29.7182+129.8200/+29.7199+129.8400/+29.7200+129.8408/+29.7336+129.8600/+29.7377+129.8800/+29.7399+129.9000/+29.7400+129.9007/+29.7514+129.9200/+29.7567+129.9400/+29.7600+129.9563/+29.7624+129.9600/+29.7728+129.9800/+29.7777+130.0000/+29.7800+130.0131/+29.7819+130.0200/+29.7869+130.0400/+29.7924+130.0600/+29.7968+130.0800/+29.7988+130.1000/+29.8000+130.1089/+29.8035+130.1200/+29.8068+130.1400/+29.8099+130.1600/+29.8125+130.1800/+29.8175+130.2000/+29.8186+130.2200/+29.8197+130.2400/+29.8200+130.2477/+29.8205+130.2600/ 東 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6594+129.7200/+29.6579+129.7400/+29.6400+129.7570/+29.6273+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6594+129.7200/ 東 3 鹿児島県十島村 4630400 2026-06-21T12:00:00+09:00 2026-06-21T15:00:00+09:00 降灰 70 +29.7412+130.1400/+29.7426+130.1600/+29.7421+130.1800/+29.7415+130.2000/+29.7400+130.2076/+29.7379+130.2200/+29.7363+130.2400/+29.7351+130.2600/+29.7330+130.2800/+29.7301+130.3000/+29.7271+130.3200/+29.7228+130.3400/+29.7200+130.3509/+29.7170+130.3600/+29.7083+130.3800/+29.7000+130.3909/+29.6963+130.3800/+29.6904+130.3600/+29.6850+130.3400/+29.6800+130.3200/+29.6758+130.3000/+29.6718+130.2800/+29.6686+130.2600/+29.6658+130.2400/+29.6600+130.2233/+29.6591+130.2200/+29.6568+130.2000/+29.6532+130.1800/+29.6506+130.1600/+29.6484+130.1400/+29.6481+130.1200/+29.6460+130.1000/+29.6443+130.0800/+29.6430+130.0600/+29.6418+130.0400/+29.6428+130.0200/+29.6419+130.0000/+29.6410+129.9800/+29.6404+129.9600/+29.6400+129.9411/+29.6397+129.9400/+29.6324+129.9200/+29.6267+129.9000/+29.6241+129.8800/+29.6221+129.8600/+29.6212+129.8400/+29.6206+129.8200/+29.6203+129.8000/+29.6201+129.7800/+29.6201+129.7600/+29.6200+129.7400/+29.6200+129.7200/+29.6227+129.7000/+29.6400+129.6827/+29.6592+129.7000/+29.6600+129.7001/+29.6797+129.7200/+29.6799+129.7400/+29.6799+129.7600/+29.6799+129.7800/+29.6800+129.7841/+29.6934+129.8000/+29.6972+129.8200/+29.6984+129.8400/+29.6989+129.8600/+29.6995+129.8800/+29.7000+129.8958/+29.7019+129.9000/+29.7097+129.9200/+29.7120+129.9400/+29.7153+129.9600/+29.7153+129.9800/+29.7170+130.0000/+29.7200+130.0079/+29.7304+130.0200/+29.7313+130.0400/+29.7315+130.0600/+29.7317+130.0800/+29.7317+130.1000/+29.7396+130.1200/+29.7400+130.1252/+29.7412+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/+29.6533+129.7400/+29.6400+129.7559/+29.6277+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-06-21T15:00:00+09:00 2026-06-21T18:00:00+09:00 降灰 70 +29.6914+130.0400/+29.6911+130.0600/+29.6904+130.0800/+29.6893+130.1000/+29.6885+130.1200/+29.6908+130.1400/+29.6888+130.1600/+29.6875+130.1800/+29.6862+130.2000/+29.6833+130.2200/+29.6809+130.2400/+29.6800+130.2499/+29.6790+130.2600/+29.6774+130.2800/+29.6754+130.3000/+29.6722+130.3200/+29.6680+130.3400/+29.6625+130.3600/+29.6600+130.3674/+29.6400+130.3689/+29.6367+130.3600/+29.6306+130.3400/+29.6262+130.3200/+29.6226+130.3000/+29.6200+130.2856/+29.6190+130.2800/+29.6158+130.2600/+29.6133+130.2400/+29.6104+130.2200/+29.6093+130.2000/+29.6076+130.1800/+29.6062+130.1600/+29.6050+130.1400/+29.6041+130.1200/+29.6036+130.1000/+29.6026+130.0800/+29.6025+130.0600/+29.6028+130.0400/+29.6063+130.0200/+29.6112+130.0000/+29.6075+129.9800/+29.6073+129.9600/+29.6076+129.9400/+29.6098+129.9200/+29.6082+129.9000/+29.6068+129.8800/+29.6077+129.8600/+29.6067+129.8400/+29.6066+129.8200/+29.6070+129.8000/+29.6078+129.7800/+29.6098+129.7600/+29.6065+129.7400/+29.6200+129.7206/+29.6200+129.7200/+29.6217+129.7000/+29.6400+129.6817/+29.6598+129.7000/+29.6600+129.7001/+29.6795+129.7200/+29.6798+129.7400/+29.6797+129.7600/+29.6796+129.7800/+29.6795+129.8000/+29.6793+129.8200/+29.6792+129.8400/+29.6791+129.8600/+29.6789+129.8800/+29.6788+129.9000/+29.6789+129.9200/+29.6789+129.9400/+29.6787+129.9600/+29.6788+129.9800/+29.6784+130.0000/+29.6791+130.0200/+29.6800+130.0235/+29.6914+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/+29.6507+129.7400/+29.6400+129.7542/+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 2026-06-21T18:00:00+09:00 2026-06-21T21:00:00+09:00 降灰 70 +29.6806+130.0400/+29.6810+130.0600/+29.6802+130.0800/+29.6800+130.0824/+29.6788+130.1000/+29.6777+130.1200/+29.6736+130.1400/+29.6698+130.1600/+29.6670+130.1800/+29.6637+130.2000/+29.6614+130.2200/+29.6602+130.2400/+29.6600+130.2411/+29.6488+130.2600/+29.6400+130.2746/+29.6299+130.2600/+29.6200+130.2432/+29.6184+130.2400/+29.6057+130.2200/+29.6042+130.2000/+29.6039+130.1800/+29.6036+130.1600/+29.6020+130.1400/+29.6000+130.1305/+29.5982+130.1200/+29.5950+130.1000/+29.5943+130.0800/+29.5941+130.0600/+29.5943+130.0400/+29.5931+130.0200/+29.6000+130.0119/+29.6031+130.0000/+29.6032+129.9800/+29.6032+129.9600/+29.6029+129.9400/+29.6022+129.9200/+29.6024+129.9000/+29.6021+129.8800/+29.6020+129.8600/+29.6020+129.8400/+29.6020+129.8200/+29.6021+129.8000/+29.6022+129.7800/+29.6027+129.7600/+29.6055+129.7400/+29.6200+129.7238/+29.6200+129.7200/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.6908/+29.6692+129.7000/+29.6797+129.7200/+29.6798+129.7400/+29.6795+129.7600/+29.6791+129.7800/+29.6786+129.8000/+29.6781+129.8200/+29.6778+129.8400/+29.6774+129.8600/+29.6773+129.8800/+29.6772+129.9000/+29.6772+129.9200/+29.6773+129.9400/+29.6769+129.9600/+29.6765+129.9800/+29.6761+130.0000/+29.6766+130.0200/+29.6800+130.0389/+29.6806+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/+29.6481+129.7400/+29.6400+129.7507/+29.6319+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、２１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。 　２１日３時から２１日２１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 　２１日０３時から０６時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　２１日０６時から０９時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２１日０９時から１２時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　２１日１２時から１５時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２１日１５時から１８時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２１日１８時から２１時まで　東　　　　　　　５０ｋｍ　　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。