2026-09-01T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T08:00:00+09:00 2026-09-02T09:00:00+09:00 2026-09-03T03:00:00+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、２日０９時から１２時までは火口から西方向、２日２１時から２４時までは火口から西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 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +29.7010+129.2800/+29.7022+129.3000/+29.7000+129.3028/+29.6935+129.3200/+29.6941+129.3400/+29.6945+129.3600/+29.6949+129.3800/+29.6952+129.4000/+29.6891+129.4200/+29.6850+129.4400/+29.6804+129.4600/+29.6800+129.4629/+29.6798+129.4800/+29.6795+129.5000/+29.6794+129.5200/+29.6793+129.5400/+29.6794+129.5600/+29.6793+129.5800/+29.6794+129.6000/+29.6795+129.6200/+29.6796+129.6400/+29.6797+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6764+129.7200/+29.6600+129.7364/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6727/+29.6125+129.6600/+29.6096+129.6400/+29.6095+129.6200/+29.6097+129.6000/+29.6113+129.5800/+29.6133+129.5600/+29.6142+129.5400/+29.6133+129.5200/+29.6129+129.5000/+29.6145+129.4800/+29.6200+129.4631/+29.6201+129.4600/+29.6200+129.4444/+29.6196+129.4400/+29.6190+129.4200/+29.6051+129.4000/+29.6062+129.3800/+29.6072+129.3600/+29.6086+129.3400/+29.6106+129.3200/+29.6112+129.3000/+29.6097+129.2800/+29.6102+129.2600/+29.6108+129.2400/+29.6110+129.2200/+29.6112+129.2000/+29.6147+129.1800/+29.6178+129.1600/+29.6200+129.1483/+29.6217+129.1400/+29.6264+129.1200/+29.6324+129.1000/+29.6359+129.0800/+29.6400+129.0600/+29.6600+129.0450/+29.6646+129.0600/+29.6695+129.0800/+29.6731+129.1000/+29.6795+129.1200/+29.6800+129.1219/+29.6840+129.1400/+29.6874+129.1600/+29.6898+129.1800/+29.6958+129.2000/+29.6972+129.2200/+29.6984+129.2400/+29.6998+129.2600/+29.7000+129.2632/+29.7010+129.2800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6480+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6320+129.6800/+29.6400+129.6687/+29.6480+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +29.6810+129.1600/+29.6821+129.1800/+29.6800+129.1852/+29.6756+129.2000/+29.6768+129.2200/+29.6779+129.2400/+29.6777+129.2600/+29.6775+129.2800/+29.6782+129.3000/+29.6800+129.3177/+29.6805+129.3200/+29.6802+129.3400/+29.6804+129.3600/+29.6811+129.3800/+29.6832+129.4000/+29.6800+129.4033/+29.6755+129.4200/+29.6761+129.4400/+29.6762+129.4600/+29.6769+129.4800/+29.6773+129.5000/+29.6779+129.5200/+29.6782+129.5400/+29.6786+129.5600/+29.6787+129.5800/+29.6789+129.6000/+29.6791+129.6200/+29.6793+129.6400/+29.6795+129.6600/+29.6796+129.6800/+29.6796+129.7000/+29.6750+129.7200/+29.6600+129.7350/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6918/+29.6090+129.6800/+29.6047+129.6600/+29.6042+129.6400/+29.6044+129.6200/+29.6040+129.6000/+29.6040+129.5800/+29.6043+129.5600/+29.6045+129.5400/+29.6048+129.5200/+29.6047+129.5000/+29.6047+129.4800/+29.6053+129.4600/+29.6054+129.4400/+29.6051+129.4200/+29.6000+129.4020/+29.5981+129.4000/+29.5981+129.3800/+29.5991+129.3600/+29.6000+129.3503/+29.6004+129.3400/+29.6017+129.3200/+29.6021+129.3000/+29.6018+129.2800/+29.6028+129.2600/+29.6040+129.2400/+29.6049+129.2200/+29.6060+129.2000/+29.6060+129.1800/+29.6076+129.1600/+29.6103+129.1400/+29.6142+129.1200/+29.6193+129.1000/+29.6200+129.0951/+29.6221+129.0800/+29.6250+129.0600/+29.6282+129.0400/+29.6321+129.0200/+29.6368+129.0000/+29.6400+128.9862/+29.6600+128.9985/+29.6603+129.0000/+29.6642+129.0200/+29.6675+129.0400/+29.6698+129.0600/+29.6716+129.0800/+29.6732+129.1000/+29.6766+129.1200/+29.6792+129.1400/+29.6800+129.1484/+29.6810+129.1600/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6502+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6298+129.6800/+29.6400+129.6660/+29.6502+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +29.6609+129.1400/+29.6631+129.1600/+29.6648+129.1800/+29.6629+129.2000/+29.6635+129.2200/+29.6640+129.2400/+29.6666+129.2600/+29.6685+129.2800/+29.6650+129.3000/+29.6635+129.3200/+29.6641+129.3400/+29.6656+129.3600/+29.6674+129.3800/+29.6701+129.4000/+29.6600+129.4125/+29.6581+129.4200/+29.6579+129.4400/+29.6581+129.4600/+29.6588+129.4800/+29.6588+129.5000/+29.6594+129.5200/+29.6596+129.5400/+29.6598+129.5600/+29.6599+129.5800/+29.6600+129.6000/+29.6600+129.6171/+29.6606+129.6200/+29.6666+129.6400/+29.6721+129.6600/+29.6767+129.6800/+29.6781+129.7000/+29.6681+129.7200/+29.6600+129.7281/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7181/+29.6020+129.7000/+29.6004+129.6800/+29.6002+129.6600/+29.6002+129.6400/+29.6003+129.6200/+29.6003+129.6000/+29.6001+129.5800/+29.6000+129.5776/+29.5887+129.5600/+29.5844+129.5400/+29.5832+129.5200/+29.5826+129.5000/+29.5818+129.4800/+29.5813+129.4600/+29.5800+129.4464/+29.5758+129.4400/+29.5714+129.4200/+29.5600+129.4005/+29.5595+129.4000/+29.5572+129.3800/+29.5566+129.3600/+29.5553+129.3400/+29.5536+129.3200/+29.5506+129.3000/+29.5488+129.2800/+29.5480+129.2600/+29.5472+129.2400/+29.5462+129.2200/+29.5448+129.2000/+29.5451+129.1800/+29.5454+129.1600/+29.5469+129.1400/+29.5497+129.1200/+29.5528+129.1000/+29.5540+129.0800/+29.5555+129.0600/+29.5596+129.0400/+29.5600+129.0388/+29.5672+129.0200/+29.5759+129.0000/+29.5763+128.9800/+29.5767+128.9600/+29.5788+128.9400/+29.5800+128.9334/+29.5825+128.9200/+29.5860+128.9000/+29.5912+128.8800/+29.5970+128.8600/+29.6000+128.8475/+29.6200+128.8501/+29.6400+128.8533/+29.6419+128.8600/+29.6456+128.8800/+29.6486+128.9000/+29.6463+128.9200/+29.6442+128.9400/+29.6430+128.9600/+29.6426+128.9800/+29.6423+129.0000/+29.6461+129.0200/+29.6492+129.0400/+29.6513+129.0600/+29.6528+129.0800/+29.6540+129.1000/+29.6577+129.1200/+29.6600+129.1332/+29.6609+129.1400/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6530+129.6800/+29.6588+129.7000/+29.6512+129.7200/+29.6400+129.7312/+29.6288+129.7200/+29.6212+129.7000/+29.6270+129.6800/+29.6400+129.6614/+29.6530+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+09:00 降灰 70 +29.6823+129.4000/+29.6879+129.4200/+29.6846+129.4400/+29.6808+129.4600/+29.6800+129.4720/+29.6793+129.4800/+29.6800+129.4870/+29.6808+129.5000/+29.6800+129.5031/+29.6745+129.5200/+29.6689+129.5400/+29.6681+129.5600/+29.6683+129.5800/+29.6659+129.6000/+29.6675+129.6200/+29.6640+129.6400/+29.6640+129.6600/+29.6666+129.6800/+29.6725+129.7000/+29.6616+129.7200/+29.6600+129.7216/+29.6400+129.7395/+29.6204+129.7200/+29.6200+129.7195/+29.6006+129.7000/+29.6001+129.6800/+29.6001+129.6600/+29.6001+129.6400/+29.6000+129.6370/+29.5839+129.6200/+29.5812+129.6000/+29.5807+129.5800/+29.5804+129.5600/+29.5800+129.5487/+29.5728+129.5400/+29.5646+129.5200/+29.5625+129.5000/+29.5614+129.4800/+29.5605+129.4600/+29.5600+129.4536/+29.5526+129.4400/+29.5421+129.4200/+29.5400+129.4111/+29.5362+129.4000/+29.5315+129.3800/+29.5298+129.3600/+29.5278+129.3400/+29.5241+129.3200/+29.5221+129.3000/+29.5200+129.2808/+29.5196+129.2800/+29.5140+129.2600/+29.5096+129.2400/+29.5089+129.2200/+29.5068+129.2000/+29.5048+129.1800/+29.5014+129.1600/+29.5000+129.1554/+29.4944+129.1400/+29.4879+129.1200/+29.4827+129.1000/+29.4809+129.0800/+29.4800+129.0703/+29.4791+129.0600/+29.4781+129.0400/+29.4779+129.0200/+29.4777+129.0000/+29.4794+128.9800/+29.4800+128.9754/+29.4830+128.9600/+29.4927+128.9400/+29.5000+128.9325/+29.5028+128.9400/+29.5103+128.9600/+29.5177+128.9800/+29.5200+128.9867/+29.5242+129.0000/+29.5315+129.0200/+29.5400+129.0374/+29.5418+129.0400/+29.5563+129.0600/+29.5600+129.0646/+29.5679+129.0800/+29.5745+129.1000/+29.5792+129.1200/+29.5800+129.1242/+29.5828+129.1400/+29.5875+129.1600/+29.5926+129.1800/+29.5935+129.2000/+29.5987+129.2200/+29.6000+129.2274/+29.6099+129.2400/+29.6200+129.2547/+29.6225+129.2600/+29.6289+129.2800/+29.6200+129.2943/+29.6187+129.3000/+29.6200+129.3085/+29.6311+129.3200/+29.6381+129.3400/+29.6392+129.3600/+29.6392+129.3800/+29.6400+129.3854/+29.6531+129.3800/+29.6600+129.3672/+29.6666+129.3800/+29.6800+129.3922/+29.6823+129.4000/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6401+129.6600/+29.6541+129.6800/+29.6588+129.7000/+29.6583+129.7200/+29.6400+129.7383/+29.6217+129.7200/+29.6212+129.7000/+29.6248+129.6800/+29.6399+129.6600/+29.6400+129.6598/+29.6401+129.6600/ 西 5 鹿児島県十島村 4630400 2026-09-02T21:00:00+09:00 2026-09-03T00:00:00+09:00 降灰 70 +29.6600+129.6200/+29.6644+129.6400/+29.6679+129.6600/+29.6759+129.6800/+29.6754+129.7000/+29.6600+129.7186/+29.6598+129.7200/+29.6400+129.7393/+29.6206+129.7200/+29.6200+129.7192/+29.6009+129.7000/+29.6002+129.6800/+29.6001+129.6600/+29.6001+129.6400/+29.6001+129.6200/+29.6000+129.6151/+29.5883+129.6000/+29.5832+129.5800/+29.5816+129.5600/+29.5811+129.5400/+29.5807+129.5200/+29.5806+129.5000/+29.5800+129.4800/+29.5800+129.4794/+29.5700+129.4600/+29.5664+129.4400/+29.5647+129.4200/+29.5600+129.4110/+29.5491+129.4000/+29.5483+129.3800/+29.5474+129.3600/+29.5467+129.3400/+29.5461+129.3200/+29.5400+129.3084/+29.5337+129.3000/+29.5319+129.2800/+29.5311+129.2600/+29.5303+129.2400/+29.5304+129.2200/+29.5220+129.2000/+29.5213+129.1800/+29.5205+129.1600/+29.5204+129.1400/+29.5213+129.1200/+29.5225+129.1000/+29.5219+129.0800/+29.5211+129.0600/+29.5209+129.0400/+29.5218+129.0200/+29.5235+129.0000/+29.5292+128.9800/+29.5400+128.9605/+29.5589+128.9800/+29.5600+128.9810/+29.5652+129.0000/+29.5709+129.0200/+29.5755+129.0400/+29.5789+129.0600/+29.5800+129.0672/+29.5820+129.0800/+29.5852+129.1000/+29.5946+129.1200/+29.6000+129.1311/+29.6045+129.1400/+29.6141+129.1600/+29.6200+129.1743/+29.6219+129.1800/+29.6221+129.2000/+29.6267+129.2200/+29.6298+129.2400/+29.6324+129.2600/+29.6342+129.2800/+29.6336+129.3000/+29.6356+129.3200/+29.6373+129.3400/+29.6387+129.3600/+29.6398+129.3800/+29.6400+129.3844/+29.6448+129.4000/+29.6400+129.4123/+29.6397+129.4200/+29.6400+129.4253/+29.6450+129.4400/+29.6487+129.4600/+29.6512+129.4800/+29.6542+129.5000/+29.6565+129.5200/+29.6581+129.5400/+29.6588+129.5600/+29.6595+129.5800/+29.6598+129.6000/+29.6600+129.6200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6703+129.6800/+29.6600+129.6903/+29.6588+129.7000/+29.6575+129.7200/+29.6400+129.7375/+29.6225+129.7200/+29.6212+129.7000/+29.6251+129.6800/+29.6380+129.6600/+29.6400+129.6572/+29.6415+129.6600/+29.6600+129.6697/+29.6703+129.6800/ 西 5 鹿児島県十島村 4630400 2026-09-03T00:00:00+09:00 2026-09-03T03:00:00+09:00 降灰 70 +29.6690+129.6400/+29.6754+129.6600/+29.6781+129.6800/+29.6772+129.7000/+29.6600+129.7191/+29.6597+129.7200/+29.6400+129.7391/+29.6208+129.7200/+29.6200+129.7190/+29.6011+129.7000/+29.6002+129.6800/+29.6001+129.6600/+29.6001+129.6400/+29.6001+129.6200/+29.6000+129.6151/+29.5866+129.6000/+29.5823+129.5800/+29.5814+129.5600/+29.5810+129.5400/+29.5806+129.5200/+29.5800+129.5085/+29.5735+129.5000/+29.5681+129.4800/+29.5651+129.4600/+29.5633+129.4400/+29.5621+129.4200/+29.5600+129.4138/+29.5465+129.4000/+29.5452+129.3800/+29.5443+129.3600/+29.5433+129.3400/+29.5419+129.3200/+29.5400+129.3145/+29.5337+129.3000/+29.5329+129.2800/+29.5331+129.2600/+29.5332+129.2400/+29.5325+129.2200/+29.5257+129.2000/+29.5262+129.1800/+29.5268+129.1600/+29.5274+129.1400/+29.5281+129.1200/+29.5290+129.1000/+29.5312+129.0800/+29.5339+129.0600/+29.5377+129.0400/+29.5400+129.0306/+29.5455+129.0200/+29.5581+129.0000/+29.5600+128.9941/+29.5800+128.9844/+29.5900+128.9800/+29.6000+128.9760/+29.6008+128.9800/+29.6043+129.0000/+29.6102+129.0200/+29.6151+129.0400/+29.6192+129.0600/+29.6200+129.0645/+29.6226+129.0800/+29.6254+129.1000/+29.6267+129.1200/+29.6279+129.1400/+29.6304+129.1600/+29.6337+129.1800/+29.6333+129.2000/+29.6372+129.2200/+29.6400+129.2377/+29.6408+129.2400/+29.6426+129.2600/+29.6443+129.2800/+29.6400+129.2942/+29.6395+129.3000/+29.6400+129.3046/+29.6443+129.3200/+29.6458+129.3400/+29.6495+129.3600/+29.6535+129.3800/+29.6571+129.4000/+29.6507+129.4200/+29.6517+129.4400/+29.6540+129.4600/+29.6552+129.4800/+29.6569+129.5000/+29.6578+129.5200/+29.6586+129.5400/+29.6592+129.5600/+29.6595+129.5800/+29.6598+129.6000/+29.6599+129.6200/+29.6600+129.6287/+29.6690+129.6400/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6684+129.6800/+29.6600+129.6884/+29.6588+129.7000/+29.6584+129.7200/+29.6400+129.7384/+29.6216+129.7200/+29.6212+129.7000/+29.6252+129.6800/+29.6374+129.6600/+29.6400+129.6559/+29.6516+129.6600/+29.6600+129.6620/+29.6684+129.6800/ 西 5 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、２日０９時から１２時までは火口から西方向、２日２１時から２４時までは火口から西方向に降灰が予想されます。 　２日９時から３日３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 　０２日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　西　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０２日２１時から２４時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　０３日００時から０３時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。