2026-07-16T14:00:00Z 通常 気象庁本庁 気象庁 2026-07-16T23:00:00+09:00 2026-07-17T00:00:00+09:00 2026-07-17T18:00:00+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、１７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 2026-07-17T00:00:00+09:00 2026-07-17T03:00:00+09:00 降灰 70 +29.6792+129.7200/+29.6794+129.7400/+29.6790+129.7600/+29.6780+129.7800/+29.6768+129.8000/+29.6757+129.8200/+29.6733+129.8400/+29.6699+129.8600/+29.6669+129.8800/+29.6657+129.9000/+29.6600+129.9154/+29.6599+129.9200/+29.6594+129.9400/+29.6592+129.9600/+29.6580+129.9800/+29.6576+130.0000/+29.6566+130.0200/+29.6600+130.0349/+29.6642+130.0400/+29.6600+130.0585/+29.6598+130.0600/+29.6566+130.0800/+29.6520+130.1000/+29.6467+130.1200/+29.6465+130.1400/+29.6400+130.1564/+29.6392+130.1600/+29.6354+130.1800/+29.6304+130.2000/+29.6249+130.2200/+29.6205+130.2400/+29.6200+130.2415/+29.6137+130.2600/+29.6070+130.2800/+29.6000+130.2960/+29.5800+130.2948/+29.5600+130.2874/+29.5590+130.2800/+29.5569+130.2600/+29.5567+130.2400/+29.5526+130.2200/+29.5558+130.2000/+29.5583+130.1800/+29.5600+130.1672/+29.5604+130.1600/+29.5620+130.1400/+29.5628+130.1200/+29.5623+130.1000/+29.5651+130.0800/+29.5694+130.0600/+29.5766+130.0400/+29.5800+130.0284/+29.5804+130.0200/+29.5830+130.0000/+29.5856+129.9800/+29.5865+129.9600/+29.5890+129.9400/+29.5952+129.9200/+29.6000+129.9094/+29.6003+129.9000/+29.6007+129.8800/+29.6008+129.8600/+29.6008+129.8400/+29.6008+129.8200/+29.6008+129.8000/+29.6008+129.7800/+29.6009+129.7600/+29.6015+129.7400/+29.6060+129.7200/+29.6200+129.7060/+29.6217+129.7000/+29.6400+129.6817/+29.6594+129.7000/+29.6600+129.7003/+29.6792+129.7200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6487+129.7400/+29.6400+129.7515/+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 2026-07-17T03:00:00+09:00 2026-07-17T06:00:00+09:00 降灰 70 +29.6772+129.7200/+29.6717+129.7400/+29.6600+129.7542/+29.6600+129.7600/+29.6599+129.7800/+29.6598+129.8000/+29.6597+129.8200/+29.6593+129.8400/+29.6584+129.8600/+29.6570+129.8800/+29.6533+129.9000/+29.6426+129.9200/+29.6400+129.9253/+29.6395+129.9400/+29.6383+129.9600/+29.6365+129.9800/+29.6344+130.0000/+29.6313+130.0200/+29.6339+130.0400/+29.6310+130.0600/+29.6264+130.0800/+29.6200+130.0969/+29.6191+130.1000/+29.6163+130.1200/+29.6184+130.1400/+29.6084+130.1600/+29.6000+130.1790/+29.5997+130.1800/+29.5943+130.2000/+29.5899+130.2200/+29.5823+130.2400/+29.5800+130.2485/+29.5768+130.2600/+29.5712+130.2800/+29.5646+130.3000/+29.5600+130.3153/+29.5555+130.3200/+29.5400+130.3397/+29.5201+130.3200/+29.5200+130.3185/+29.5190+130.3000/+29.5180+130.2800/+29.5175+130.2600/+29.5173+130.2400/+29.5171+130.2200/+29.5200+130.2060/+29.5210+130.2000/+29.5251+130.1800/+29.5281+130.1600/+29.5293+130.1400/+29.5301+130.1200/+29.5374+130.1000/+29.5400+130.0884/+29.5410+130.0800/+29.5435+130.0600/+29.5460+130.0400/+29.5475+130.0200/+29.5600+130.0074/+29.5631+130.0000/+29.5643+129.9800/+29.5697+129.9600/+29.5760+129.9400/+29.5800+129.9338/+29.5807+129.9200/+29.5815+129.9000/+29.5824+129.8800/+29.5841+129.8600/+29.5920+129.8400/+29.6000+129.8298/+29.6002+129.8200/+29.6002+129.8000/+29.6002+129.7800/+29.6002+129.7600/+29.6003+129.7400/+29.6013+129.7200/+29.6200+129.7013/+29.6221+129.7000/+29.6400+129.6821/+29.6586+129.7000/+29.6600+129.7019/+29.6772+129.7200/ 東 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6511+129.7400/+29.6400+129.7539/+29.6289+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-17T06:00:00+09:00 2026-07-17T09:00:00+09:00 降灰 70 +29.6793+129.7200/+29.6795+129.7400/+29.6789+129.7600/+29.6778+129.7800/+29.6763+129.8000/+29.6739+129.8200/+29.6717+129.8400/+29.6685+129.8600/+29.6647+129.8800/+29.6600+129.8950/+29.6599+129.9000/+29.6594+129.9200/+29.6590+129.9400/+29.6578+129.9600/+29.6568+129.9800/+29.6553+130.0000/+29.6521+130.0200/+29.6579+130.0400/+29.6533+130.0600/+29.6463+130.0800/+29.6400+130.0935/+29.6386+130.1000/+29.6351+130.1200/+29.6327+130.1400/+29.6288+130.1600/+29.6235+130.1800/+29.6200+130.1899/+29.6156+130.2000/+29.6106+130.2200/+29.6036+130.2400/+29.6000+130.2472/+29.5800+130.2512/+29.5641+130.2600/+29.5600+130.2628/+29.5581+130.2600/+29.5527+130.2400/+29.5462+130.2200/+29.5477+130.2000/+29.5483+130.1800/+29.5489+130.1600/+29.5516+130.1400/+29.5547+130.1200/+29.5563+130.1000/+29.5586+130.0800/+29.5600+130.0704/+29.5609+130.0600/+29.5632+130.0400/+29.5647+130.0200/+29.5748+130.0000/+29.5800+129.9883/+29.5809+129.9800/+29.5820+129.9600/+29.5835+129.9400/+29.5852+129.9200/+29.5872+129.9000/+29.5929+129.8800/+29.6000+129.8642/+29.6001+129.8600/+29.6005+129.8400/+29.6006+129.8200/+29.6006+129.8000/+29.6006+129.7800/+29.6007+129.7600/+29.6011+129.7400/+29.6021+129.7200/+29.6200+129.7020/+29.6212+129.7000/+29.6400+129.6812/+29.6598+129.7000/+29.6600+129.7001/+29.6793+129.7200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6467+129.7400/+29.6400+129.7484/+29.6333+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-17T09:00:00+09:00 2026-07-17T12:00:00+09:00 降灰 70 +29.6789+129.7200/+29.6780+129.7400/+29.6724+129.7600/+29.6600+129.7798/+29.6600+129.7800/+29.6599+129.8000/+29.6598+129.8200/+29.6595+129.8400/+29.6592+129.8600/+29.6586+129.8800/+29.6577+129.9000/+29.6558+129.9200/+29.6533+129.9400/+29.6463+129.9600/+29.6402+129.9800/+29.6400+129.9805/+29.6387+130.0000/+29.6376+130.0200/+29.6365+130.0400/+29.6343+130.0600/+29.6313+130.0800/+29.6269+130.1000/+29.6208+130.1200/+29.6206+130.1400/+29.6200+130.1423/+29.6138+130.1600/+29.6060+130.1800/+29.6000+130.1908/+29.5952+130.2000/+29.5877+130.2200/+29.5800+130.2343/+29.5753+130.2400/+29.5667+130.2600/+29.5600+130.2722/+29.5400+130.2767/+29.5311+130.2600/+29.5272+130.2400/+29.5260+130.2200/+29.5291+130.2000/+29.5305+130.1800/+29.5314+130.1600/+29.5324+130.1400/+29.5334+130.1200/+29.5396+130.1000/+29.5400+130.0984/+29.5429+130.0800/+29.5454+130.0600/+29.5478+130.0400/+29.5509+130.0200/+29.5600+130.0096/+29.5647+130.0000/+29.5674+129.9800/+29.5701+129.9600/+29.5800+129.9400/+29.5815+129.9200/+29.5827+129.9000/+29.5841+129.8800/+29.5890+129.8600/+29.5984+129.8400/+29.6000+129.8380/+29.6003+129.8200/+29.6004+129.8000/+29.6003+129.7800/+29.6003+129.7600/+29.6005+129.7400/+29.6022+129.7200/+29.6200+129.7020/+29.6210+129.7000/+29.6400+129.6811/+29.6598+129.7000/+29.6600+129.7002/+29.6789+129.7200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6459+129.7400/+29.6400+129.7473/+29.6341+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-17T12:00:00+09:00 2026-07-17T15:00:00+09:00 降灰 70 +29.6786+129.7200/+29.6742+129.7400/+29.6600+129.7557/+29.6600+129.7600/+29.6599+129.7800/+29.6598+129.8000/+29.6596+129.8200/+29.6593+129.8400/+29.6588+129.8600/+29.6578+129.8800/+29.6560+129.9000/+29.6536+129.9200/+29.6483+129.9400/+29.6400+129.9568/+29.6397+129.9600/+29.6386+129.9800/+29.6370+130.0000/+29.6348+130.0200/+29.6362+130.0400/+29.6335+130.0600/+29.6299+130.0800/+29.6253+130.1000/+29.6200+130.1186/+29.6195+130.1200/+29.6175+130.1400/+29.6068+130.1600/+29.6000+130.1748/+29.5970+130.1800/+29.5870+130.2000/+29.5800+130.2175/+29.5788+130.2200/+29.5600+130.2379/+29.5400+130.2283/+29.5373+130.2200/+29.5336+130.2000/+29.5345+130.1800/+29.5350+130.1600/+29.5342+130.1400/+29.5335+130.1200/+29.5400+130.1029/+29.5410+130.1000/+29.5444+130.0800/+29.5473+130.0600/+29.5498+130.0400/+29.5519+130.0200/+29.5600+130.0113/+29.5651+130.0000/+29.5701+129.9800/+29.5742+129.9600/+29.5800+129.9480/+29.5805+129.9400/+29.5817+129.9200/+29.5826+129.9000/+29.5840+129.8800/+29.5878+129.8600/+29.5987+129.8400/+29.6000+129.8385/+29.6003+129.8200/+29.6003+129.8000/+29.6003+129.7800/+29.6003+129.7600/+29.6004+129.7400/+29.6022+129.7200/+29.6200+129.7021/+29.6209+129.7000/+29.6400+129.6809/+29.6600+129.7000/+29.6786+129.7200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6417+129.7400/+29.6400+129.7422/+29.6383+129.7400/+29.6212+129.7200/+29.6400+129.7012/+29.6588+129.7200/ 東 3 鹿児島県十島村 4630400 2026-07-17T15:00:00+09:00 2026-07-17T18:00:00+09:00 降灰 70 +29.6767+129.7200/+29.6600+129.7372/+29.6600+129.7400/+29.6599+129.7600/+29.6598+129.7800/+29.6596+129.8000/+29.6589+129.8200/+29.6570+129.8400/+29.6524+129.8600/+29.6405+129.8800/+29.6400+129.8808/+29.6390+129.9000/+29.6381+129.9200/+29.6362+129.9400/+29.6319+129.9600/+29.6258+129.9800/+29.6200+129.9907/+29.6183+130.0000/+29.6164+130.0200/+29.6181+130.0400/+29.6132+130.0600/+29.6073+130.0800/+29.6000+130.0993/+29.5998+130.1000/+29.5951+130.1200/+29.5870+130.1400/+29.5800+130.1586/+29.5794+130.1600/+29.5730+130.1800/+29.5639+130.2000/+29.5600+130.2074/+29.5400+130.2184/+29.5200+130.2148/+29.5081+130.2000/+29.5084+130.1800/+29.5086+130.1600/+29.5119+130.1400/+29.5156+130.1200/+29.5200+130.1121/+29.5226+130.1000/+29.5255+130.0800/+29.5281+130.0600/+29.5306+130.0400/+29.5330+130.0200/+29.5400+130.0106/+29.5435+130.0000/+29.5484+129.9800/+29.5566+129.9600/+29.5600+129.9539/+29.5613+129.9400/+29.5633+129.9200/+29.5656+129.9000/+29.5728+129.8800/+29.5800+129.8704/+29.5806+129.8600/+29.5812+129.8400/+29.5825+129.8200/+29.5890+129.8000/+29.6000+129.7877/+29.6001+129.7800/+29.6001+129.7600/+29.6001+129.7400/+29.6006+129.7200/+29.6200+129.7005/+29.6208+129.7000/+29.6400+129.6808/+29.6598+129.7000/+29.6600+129.7008/+29.6767+129.7200/ 東 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7200/+29.6430+129.7400/+29.6400+129.7437/+29.6366+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、１７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。 　１７日０時から１７日１８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 　１７日００時から０３時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０３時から０６時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１７日０６時から０９時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０９時から１２時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日１２時から１５時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日１５時から１８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。