2026-08-05T11:00:00Z 通常 気象庁本庁 気象庁 2026-08-05T20:00:00+09:00 2026-08-05T21:00:00+09:00 2026-08-06T15:00:00+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、５日２１時から２４時までは火口から南西方向、６日０９時から１２時までは火口から南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 2026-08-05T21:00:00+09:00 2026-08-06T00:00:00+09:00 降灰 70 +29.6593+129.6800/+29.6599+129.7000/+29.6597+129.7200/+29.6400+129.7397/+29.6200+129.7391/+29.6009+129.7200/+29.6000+129.7191/+29.5809+129.7000/+29.5800+129.6985/+29.5615+129.6800/+29.5600+129.6772/+29.5428+129.6600/+29.5400+129.6567/+29.5233+129.6400/+29.5200+129.6353/+29.5046+129.6200/+29.5000+129.6137/+29.4862+129.6000/+29.4800+129.5916/+29.4684+129.5800/+29.4600+129.5690/+29.4510+129.5600/+29.4400+129.5446/+29.4355+129.5400/+29.4200+129.5325/+29.4048+129.5200/+29.4000+129.5086/+29.3911+129.5000/+29.3800+129.4931/+29.3666+129.4800/+29.3600+129.4707/+29.3432+129.4600/+29.3400+129.4570/+29.3310+129.4400/+29.3200+129.4221/+29.3167+129.4200/+29.3000+129.4016/+29.2985+129.4000/+29.2800+129.3802/+29.2798+129.3800/+29.2668+129.3600/+29.2600+129.3434/+29.2578+129.3400/+29.2415+129.3200/+29.2400+129.3186/+29.2262+129.3000/+29.2200+129.2832/+29.2183+129.2800/+29.2000+129.2623/+29.1975+129.2600/+29.1880+129.2400/+29.1870+129.2200/+29.1850+129.2000/+29.2000+129.1920/+29.2085+129.2000/+29.2200+129.2166/+29.2252+129.2200/+29.2400+129.2255/+29.2600+129.2368/+29.2630+129.2400/+29.2779+129.2600/+29.2800+129.2622/+29.3000+129.2751/+29.3062+129.2800/+29.3200+129.2959/+29.3226+129.3000/+29.3400+129.3154/+29.3433+129.3200/+29.3600+129.3372/+29.3645+129.3400/+29.3800+129.3578/+29.3811+129.3600/+29.4000+129.3798/+29.4003+129.3800/+29.4160+129.4000/+29.4200+129.4035/+29.4363+129.4200/+29.4400+129.4243/+29.4503+129.4400/+29.4600+129.4493/+29.4752+129.4600/+29.4788+129.4800/+29.4800+129.4815/+29.4972+129.5000/+29.5000+129.5029/+29.5159+129.5200/+29.5200+129.5249/+29.5348+129.5400/+29.5400+129.5473/+29.5522+129.5600/+29.5600+129.5691/+29.5707+129.5800/+29.5800+129.5978/+29.5822+129.6000/+29.5995+129.6200/+29.6000+129.6204/+29.6193+129.6400/+29.6200+129.6406/+29.6393+129.6600/+29.6400+129.6607/+29.6593+129.6800/ 南西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6200+129.7142/+29.6058+129.7000/+29.6073+129.6800/+29.6200+129.6672/+29.6300+129.6800/+29.6400+129.6812/+29.6588+129.7000/ 南西 4 鹿児島県十島村 4630400 2026-08-06T00:00:00+09:00 2026-08-06T03:00:00+09:00 降灰 70 +29.6595+129.6800/+29.6599+129.7000/+29.6597+129.7200/+29.6400+129.7397/+29.6200+129.7389/+29.6011+129.7200/+29.6000+129.7176/+29.5824+129.7000/+29.5800+129.6869/+29.5731+129.6800/+29.5601+129.6600/+29.5600+129.6597/+29.5405+129.6400/+29.5400+129.6387/+29.5213+129.6200/+29.5200+129.6166/+29.5036+129.6000/+29.5000+129.5926/+29.4875+129.5800/+29.4800+129.5643/+29.4757+129.5600/+29.4604+129.5400/+29.4600+129.5395/+29.4409+129.5200/+29.4400+129.5187/+29.4200+129.5185/+29.4077+129.5000/+29.4000+129.4899/+29.3853+129.4800/+29.3800+129.4753/+29.3661+129.4600/+29.3600+129.4502/+29.3466+129.4400/+29.3400+129.4355/+29.3265+129.4200/+29.3200+129.4058/+29.3141+129.4000/+29.3000+129.3904/+29.2847+129.3800/+29.2800+129.3752/+29.2676+129.3600/+29.2600+129.3456/+29.2554+129.3400/+29.2400+129.3271/+29.2315+129.3200/+29.2200+129.3058/+29.2166+129.3000/+29.2086+129.2800/+29.2000+129.2717/+29.1882+129.2600/+29.1800+129.2403/+29.1798+129.2400/+29.1763+129.2200/+29.1600+129.2086/+29.1470+129.2000/+29.1600+129.1919/+29.1800+129.1966/+29.2000+129.1993/+29.2007+129.2000/+29.2143+129.2200/+29.2200+129.2249/+29.2400+129.2352/+29.2478+129.2400/+29.2600+129.2480/+29.2712+129.2600/+29.2800+129.2674/+29.3000+129.2798/+29.3003+129.2800/+29.3200+129.2994/+29.3204+129.3000/+29.3400+129.3163/+29.3426+129.3200/+29.3600+129.3378/+29.3640+129.3400/+29.3800+129.3563/+29.3819+129.3600/+29.4000+129.3736/+29.4121+129.3800/+29.4200+129.3950/+29.4219+129.4000/+29.4400+129.4174/+29.4424+129.4200/+29.4541+129.4400/+29.4600+129.4452/+29.4800+129.4571/+29.4827+129.4600/+29.4800+129.4647/+29.4787+129.4800/+29.4800+129.4814/+29.4979+129.5000/+29.5000+129.5024/+29.5174+129.5200/+29.5200+129.5234/+29.5363+129.5400/+29.5400+129.5456/+29.5542+129.5600/+29.5600+129.5705/+29.5695+129.5800/+29.5799+129.6000/+29.5800+129.6001/+29.5996+129.6200/+29.6000+129.6204/+29.6195+129.6400/+29.6200+129.6405/+29.6395+129.6600/+29.6400+129.6605/+29.6595+129.6800/ 南西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6200+129.7148/+29.6052+129.7000/+29.6069+129.6800/+29.6200+129.6700/+29.6300+129.6800/+29.6400+129.6812/+29.6588+129.7000/ 南西 4 鹿児島県十島村 4630400 2026-08-06T03:00:00+09:00 2026-08-06T06:00:00+09:00 降灰 70 +29.6587+129.6800/+29.6599+129.7000/+29.6597+129.7200/+29.6400+129.7397/+29.6200+129.7391/+29.6009+129.7200/+29.6000+129.7195/+29.5804+129.7000/+29.5800+129.6995/+29.5604+129.6800/+29.5600+129.6796/+29.5400+129.6602/+29.5398+129.6600/+29.5200+129.6516/+29.5083+129.6400/+29.5000+129.6341/+29.4855+129.6200/+29.4800+129.6159/+29.4628+129.6000/+29.4600+129.5974/+29.4409+129.5800/+29.4400+129.5791/+29.4200+129.5606/+29.4191+129.5600/+29.4000+129.5524/+29.3811+129.5400/+29.3800+129.5389/+29.3610+129.5200/+29.3600+129.5190/+29.3447+129.5000/+29.3400+129.4947/+29.3246+129.4800/+29.3200+129.4729/+29.3024+129.4600/+29.3000+129.4574/+29.2887+129.4400/+29.2800+129.4266/+29.2705+129.4200/+29.2600+129.4083/+29.2535+129.4000/+29.2400+129.3845/+29.2353+129.3800/+29.2200+129.3633/+29.2173+129.3600/+29.2031+129.3400/+29.2000+129.3365/+29.1828+129.3200/+29.1800+129.3171/+29.1649+129.3000/+29.1600+129.2895/+29.1524+129.2800/+29.1400+129.2699/+29.1294+129.2600/+29.1200+129.2427/+29.1179+129.2400/+29.1070+129.2200/+29.1000+129.2182/+29.0830+129.2000/+29.1000+129.1916/+29.1200+129.1983/+29.1256+129.2000/+29.1400+129.2111/+29.1526+129.2200/+29.1600+129.2228/+29.1800+129.2353/+29.1919+129.2400/+29.2000+129.2435/+29.2184+129.2600/+29.2200+129.2614/+29.2400+129.2729/+29.2551+129.2800/+29.2600+129.2822/+29.2800+129.2981/+29.2819+129.3000/+29.3000+129.3119/+29.3132+129.3200/+29.3200+129.3248/+29.3376+129.3400/+29.3400+129.3416/+29.3569+129.3600/+29.3600+129.3619/+29.3800+129.3739/+29.3865+129.3800/+29.4000+129.3999/+29.4001+129.4000/+29.4200+129.4177/+29.4222+129.4200/+29.4383+129.4400/+29.4400+129.4411/+29.4588+129.4600/+29.4600+129.4612/+29.4735+129.4800/+29.4800+129.4949/+29.4851+129.5000/+29.5000+129.5193/+29.5007+129.5200/+29.5187+129.5400/+29.5200+129.5411/+29.5384+129.5600/+29.5400+129.5618/+29.5579+129.5800/+29.5600+129.5822/+29.5776+129.6000/+29.5800+129.6026/+29.5974+129.6200/+29.6000+129.6228/+29.6172+129.6400/+29.6200+129.6420/+29.6380+129.6600/+29.6400+129.6613/+29.6587+129.6800/ 南西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6200+129.7150/+29.6046+129.7000/+29.6041+129.6800/+29.6200+129.6688/+29.6312+129.6800/+29.6400+129.6812/+29.6588+129.7000/ 南西 4 鹿児島県十島村 4630400 2026-08-06T06:00:00+09:00 2026-08-06T09:00:00+09:00 降灰 70 +29.6590+129.6800/+29.6599+129.7000/+29.6595+129.7200/+29.6400+129.7395/+29.6200+129.7387/+29.6013+129.7200/+29.6000+129.7190/+29.5810+129.7000/+29.5800+129.6986/+29.5614+129.6800/+29.5600+129.6779/+29.5421+129.6600/+29.5400+129.6573/+29.5226+129.6400/+29.5200+129.6369/+29.5028+129.6200/+29.5000+129.6167/+29.4829+129.6000/+29.4800+129.5969/+29.4631+129.5800/+29.4600+129.5764/+29.4434+129.5600/+29.4400+129.5568/+29.4222+129.5400/+29.4200+129.5385/+29.4000+129.5323/+29.3827+129.5200/+29.3800+129.5173/+29.3673+129.5000/+29.3600+129.4938/+29.3400+129.4820/+29.3379+129.4800/+29.3200+129.4623/+29.3155+129.4600/+29.3000+129.4448/+29.2974+129.4400/+29.2800+129.4202/+29.2794+129.4200/+29.2600+129.4083/+29.2550+129.4000/+29.2400+129.3871/+29.2286+129.3800/+29.2200+129.3721/+29.2116+129.3600/+29.2000+129.3413/+29.1982+129.3400/+29.1800+129.3281/+29.1717+129.3200/+29.1600+129.3029/+29.1578+129.3000/+29.1412+129.2800/+29.1400+129.2790/+29.1209+129.2600/+29.1200+129.2585/+29.1063+129.2400/+29.1000+129.2348/+29.0847+129.2200/+29.0800+129.2145/+29.0698+129.2000/+29.0610+129.1800/+29.0600+129.1791/+29.0400+129.1669/+29.0310+129.1600/+29.0221+129.1400/+29.0400+129.1272/+29.0600+129.1319/+29.0728+129.1400/+29.0800+129.1478/+29.1000+129.1575/+29.1029+129.1600/+29.1200+129.1739/+29.1291+129.1800/+29.1400+129.1866/+29.1583+129.2000/+29.1600+129.2015/+29.1800+129.2188/+29.1820+129.2200/+29.2000+129.2284/+29.2142+129.2400/+29.2200+129.2462/+29.2325+129.2600/+29.2400+129.2656/+29.2600+129.2775/+29.2633+129.2800/+29.2795+129.3000/+29.2800+129.3005/+29.3000+129.3147/+29.3113+129.3200/+29.3200+129.3262/+29.3307+129.3400/+29.3400+129.3536/+29.3435+129.3600/+29.3600+129.3730/+29.3732+129.3800/+29.3800+129.3867/+29.3872+129.4000/+29.4000+129.4153/+29.4063+129.4200/+29.4200+129.4335/+29.4246+129.4400/+29.4400+129.4485/+29.4519+129.4600/+29.4600+129.4669/+29.4721+129.4800/+29.4771+129.5000/+29.4800+129.5024/+29.4978+129.5200/+29.5000+129.5217/+29.5185+129.5400/+29.5200+129.5412/+29.5385+129.5600/+29.5400+129.5613/+29.5586+129.5800/+29.5600+129.5812/+29.5787+129.6000/+29.5800+129.6011/+29.5988+129.6200/+29.6000+129.6211/+29.6189+129.6400/+29.6200+129.6409/+29.6391+129.6600/+29.6400+129.6610/+29.6590+129.6800/ +29.0052+129.1000/+29.0000+129.1082/+28.9938+129.1000/+29.0000+129.0967/+29.0052+129.1000/ 南西 90 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6200+129.7164/+29.6036+129.7000/+29.6018+129.6800/+29.6200+129.6628/+29.6329+129.6800/+29.6400+129.6812/+29.6588+129.7000/ 南西 4 鹿児島県十島村 4630400 2026-08-06T09:00:00+09:00 2026-08-06T12:00:00+09:00 降灰 70 +29.6594+129.6800/+29.6599+129.7000/+29.6593+129.7200/+29.6400+129.7392/+29.6200+129.7373/+29.6027+129.7200/+29.6000+129.7140/+29.5860+129.7000/+29.5800+129.6800/+29.5602+129.6600/+29.5600+129.6596/+29.5405+129.6400/+29.5400+129.6390/+29.5211+129.6200/+29.5200+129.6181/+29.5019+129.6000/+29.5000+129.5974/+29.4825+129.5800/+29.4800+129.5766/+29.4636+129.5600/+29.4600+129.5546/+29.4452+129.5400/+29.4400+129.5349/+29.4200+129.5293/+29.4094+129.5200/+29.4018+129.5000/+29.4000+129.4977/+29.3800+129.4878/+29.3719+129.4800/+29.3600+129.4641/+29.3513+129.4600/+29.3400+129.4526/+29.3333+129.4400/+29.3200+129.4220/+29.3164+129.4200/+29.3000+129.4033/+29.2967+129.4000/+29.2800+129.3870/+29.2726+129.3800/+29.2600+129.3605/+29.2596+129.3600/+29.2447+129.3400/+29.2400+129.3353/+29.2232+129.3200/+29.2200+129.3158/+29.2108+129.3000/+29.2000+129.2855/+29.1920+129.2800/+29.1800+129.2694/+29.1719+129.2600/+29.1601+129.2400/+29.1600+129.2398/+29.1406+129.2200/+29.1400+129.2195/+29.1234+129.2000/+29.1200+129.1842/+29.1185+129.1800/+29.1000+129.1607/+29.0993+129.1600/+29.0905+129.1400/+29.0936+129.1200/+29.1000+129.1131/+29.1044+129.1200/+29.1200+129.1309/+29.1400+129.1359/+29.1474+129.1400/+29.1600+129.1473/+29.1736+129.1600/+29.1800+129.1642/+29.2000+129.1727/+29.2104+129.1800/+29.2200+129.1888/+29.2291+129.2000/+29.2400+129.2109/+29.2529+129.2200/+29.2600+129.2250/+29.2741+129.2400/+29.2800+129.2463/+29.2939+129.2600/+29.3000+129.2634/+29.3200+129.2753/+29.3249+129.2800/+29.3374+129.3000/+29.3400+129.3022/+29.3540+129.3200/+29.3600+129.3253/+29.3800+129.3373/+29.3824+129.3400/+29.3926+129.3600/+29.4000+129.3660/+29.4200+129.3758/+29.4234+129.3800/+29.4323+129.4000/+29.4400+129.4071/+29.4515+129.4200/+29.4593+129.4400/+29.4600+129.4406/+29.4800+129.4473/+29.4915+129.4600/+29.4940+129.4800/+29.5000+129.4886/+29.5114+129.5000/+29.5200+129.5138/+29.5255+129.5200/+29.5397+129.5400/+29.5400+129.5403/+29.5590+129.5600/+29.5600+129.5614/+29.5782+129.5800/+29.5800+129.5831/+29.5968+129.6000/+29.6000+129.6083/+29.6114+129.6200/+29.6198+129.6400/+29.6200+129.6402/+29.6397+129.6600/+29.6400+129.6606/+29.6594+129.6800/ +29.0807+129.1000/+29.0800+129.1006/+29.0600+129.1056/+29.0462+129.1000/+29.0600+129.0938/+29.0800+129.0998/+29.0807+129.1000/ 南西 90 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6400+129.7196/+29.6200+129.7164/+29.6036+129.7000/+29.6011+129.6800/+29.6017+129.6600/+29.6200+129.6547/+29.6253+129.6600/+29.6353+129.6800/+29.6400+129.6812/+29.6588+129.7000/ 南西 6 鹿児島県十島村 4630400 2026-08-06T12:00:00+09:00 2026-08-06T15:00:00+09:00 降灰 70 +29.6596+129.6800/+29.6599+129.7000/+29.6585+129.7200/+29.6400+129.7385/+29.6200+129.7341/+29.6059+129.7200/+29.6001+129.7000/+29.6000+129.6997/+29.5803+129.6800/+29.5800+129.6782/+29.5618+129.6600/+29.5600+129.6400/+29.5600+129.6399/+29.5405+129.6200/+29.5400+129.6178/+29.5222+129.6000/+29.5200+129.5886/+29.5114+129.5800/+29.5005+129.5600/+29.5000+129.5586/+29.4820+129.5400/+29.4800+129.5345/+29.4657+129.5200/+29.4600+129.5000/+29.4588+129.5000/+29.4400+129.5039/+29.4361+129.5000/+29.4222+129.4800/+29.4200+129.4755/+29.4071+129.4600/+29.4020+129.4400/+29.4000+129.4363/+29.3800+129.4314/+29.3681+129.4200/+29.3635+129.4000/+29.3600+129.3933/+29.3400+129.3821/+29.3382+129.3800/+29.3292+129.3600/+29.3200+129.3492/+29.3087+129.3400/+29.3000+129.3232/+29.2952+129.3200/+29.2800+129.3034/+29.2780+129.3000/+29.2638+129.2800/+29.2600+129.2733/+29.2502+129.2600/+29.2400+129.2464/+29.2338+129.2400/+29.2200+129.2247/+29.2170+129.2200/+29.2075+129.2000/+29.2000+129.1873/+29.1906+129.1800/+29.1800+129.1688/+29.1739+129.1600/+29.1641+129.1400/+29.1600+129.1331/+29.1480+129.1200/+29.1400+129.1121/+29.1309+129.1000/+29.1226+129.0800/+29.1200+129.0752/+29.1086+129.0600/+29.1000+129.0490/+29.0944+129.0400/+29.0860+129.0200/+29.0800+129.0077/+29.0759+129.0000/+29.0800+128.9907/+29.0920+128.9800/+29.1000+128.9770/+29.1034+128.9800/+29.1200+128.9960/+29.1237+129.0000/+29.1400+129.0163/+29.1453+129.0200/+29.1600+129.0286/+29.1697+129.0400/+29.1800+129.0548/+29.1845+129.0600/+29.2000+129.0694/+29.2135+129.0800/+29.2200+129.0872/+29.2285+129.1000/+29.2400+129.1129/+29.2502+129.1200/+29.2600+129.1266/+29.2724+129.1400/+29.2800+129.1499/+29.2872+129.1600/+29.3000+129.1719/+29.3110+129.1800/+29.3200+129.1904/+29.3255+129.2000/+29.3400+129.2171/+29.3434+129.2200/+29.3600+129.2379/+29.3619+129.2400/+29.3800+129.2589/+29.3807+129.2600/+29.3895+129.2800/+29.4000+129.2971/+29.4050+129.3000/+29.4200+129.3170/+29.4214+129.3200/+29.4364+129.3400/+29.4400+129.3521/+29.4443+129.3600/+29.4561+129.3800/+29.4600+129.3857/+29.4793+129.4000/+29.4800+129.4006/+29.4960+129.4200/+29.5000+129.4310/+29.5059+129.4400/+29.5035+129.4600/+29.5187+129.4800/+29.5200+129.4825/+29.5368+129.5000/+29.5400+129.5101/+29.5496+129.5200/+29.5594+129.5400/+29.5600+129.5412/+29.5783+129.5600/+29.5800+129.5668/+29.5932+129.5800/+29.5997+129.6000/+29.6000+129.6006/+29.6193+129.6200/+29.6200+129.6239/+29.6361+129.6400/+29.6399+129.6600/+29.6400+129.6603/+29.6596+129.6800/ 南西 90 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6553+129.6800/+29.6588+129.7000/+29.6400+129.7189/+29.6200+129.7165/+29.6035+129.7000/+29.6033+129.6800/+29.6040+129.6600/+29.6200+129.6529/+29.6271+129.6600/+29.6400+129.6647/+29.6553+129.6800/ 南西 6 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、５日２１時から２４時までは火口から南西方向、６日０９時から１２時までは火口から南西方向に降灰が予想されます。 　５日２１時から６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 　０５日２１時から２４時まで　南西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０６日００時から０３時まで　南西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０６日０３時から０６時まで　南西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０６日０６時から０９時まで　南西　　　　　　９０ｋｍ　　４ｋｍ　　　　　 　０６日０９時から１２時まで　南西　　　　　　９０ｋｍ　　６ｋｍ　　　　　 　０６日１２時から１５時まで　南西　　　　　　９０ｋｍ　　６ｋｍ　　　　　 　 　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。