2026-08-09T02:00:00Z 通常 気象庁本庁 気象庁 2026-08-09T11:00:00+09:00 2026-08-09T12:00:00+09:00 2026-08-10T06:00:00+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、９日２１時から２４時までは火口から北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 2026-08-09T12:00:00+09:00 2026-08-09T15:00:00+09:00 降灰 70 +30.0064+128.9200/+30.0110+128.9400/+30.0090+128.9600/+30.0002+128.9800/+30.0000+128.9803/+29.9822+129.0000/+29.9800+129.0166/+29.9798+129.0200/+29.9788+129.0400/+29.9768+129.0600/+29.9731+129.0800/+29.9692+129.1000/+29.9600+129.1193/+29.9594+129.1200/+29.9459+129.1400/+29.9400+129.1540/+29.9386+129.1600/+29.9354+129.1800/+29.9328+129.2000/+29.9281+129.2200/+29.9200+129.2393/+29.9196+129.2400/+29.9039+129.2600/+29.9000+129.2635/+29.8943+129.2800/+29.8838+129.3000/+29.8800+129.3025/+29.8751+129.3200/+29.8728+129.3400/+29.8686+129.3600/+29.8603+129.3800/+29.8600+129.3803/+29.8444+129.4000/+29.8400+129.4069/+29.8287+129.4200/+29.8200+129.4259/+29.8174+129.4400/+29.8153+129.4600/+29.8000+129.4752/+29.7926+129.4800/+29.7800+129.4932/+29.7791+129.5000/+29.7760+129.5200/+29.7600+129.5357/+29.7595+129.5400/+29.7581+129.5600/+29.7400+129.5793/+29.7399+129.5800/+29.7384+129.6000/+29.7255+129.6200/+29.7200+129.6262/+29.7188+129.6400/+29.7000+129.6589/+29.6999+129.6600/+29.6992+129.6800/+29.6800+129.6992/+29.6799+129.7000/+29.6782+129.7200/+29.6600+129.7381/+29.6400+129.7394/+29.6206+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6388+129.6600/+29.6400+129.6588/+29.6403+129.6400/+29.6521+129.6200/+29.6600+129.6121/+29.6606+129.6000/+29.6696+129.5800/+29.6800+129.5695/+29.6810+129.5600/+29.6887+129.5400/+29.7000+129.5282/+29.7012+129.5200/+29.7088+129.5000/+29.7200+129.4881/+29.7215+129.4800/+29.7285+129.4600/+29.7400+129.4472/+29.7416+129.4400/+29.7400+129.4299/+29.7315+129.4200/+29.7400+129.4068/+29.7461+129.4000/+29.7600+129.3895/+29.7631+129.3800/+29.7666+129.3600/+29.7765+129.3400/+29.7785+129.3200/+29.7800+129.3164/+29.7920+129.3000/+29.8000+129.2946/+29.8059+129.2800/+29.8097+129.2600/+29.8174+129.2400/+29.8200+129.2246/+29.8210+129.2200/+29.8342+129.2000/+29.8400+129.1908/+29.8479+129.1800/+29.8600+129.1638/+29.8619+129.1600/+29.8687+129.1400/+29.8751+129.1200/+29.8800+129.1079/+29.8838+129.1000/+29.8972+129.0800/+29.9000+129.0771/+29.9144+129.0600/+29.9200+129.0456/+29.9218+129.0400/+29.9288+129.0200/+29.9367+129.0000/+29.9400+128.9929/+29.9559+128.9800/+29.9600+128.9760/+29.9778+128.9600/+29.9800+128.9549/+29.9839+128.9400/+29.9931+128.9200/+30.0000+128.9023/+30.0064+128.9200/ 北西 90 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6707+129.6800/+29.6761+129.7000/+29.6600+129.7161/+29.6578+129.7200/+29.6400+129.7377/+29.6222+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6493+129.6800/+29.6600+129.6645/+29.6707+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-09T15:00:00+09:00 2026-08-09T18:00:00+09:00 降灰 70 +29.9631+128.9600/+29.9627+128.9800/+29.9624+129.0000/+29.9600+129.0086/+29.9520+129.0200/+29.9459+129.0400/+29.9400+129.0556/+29.9388+129.0600/+29.9323+129.0800/+29.9289+129.1000/+29.9263+129.1200/+29.9238+129.1400/+29.9200+129.1570/+29.9193+129.1600/+29.9102+129.1800/+29.9000+129.1951/+29.8983+129.2000/+29.8935+129.2200/+29.8897+129.2400/+29.8871+129.2600/+29.8800+129.2673/+29.8720+129.2800/+29.8694+129.3000/+29.8649+129.3200/+29.8600+129.3355/+29.8575+129.3400/+29.8400+129.3534/+29.8376+129.3600/+29.8249+129.3800/+29.8200+129.3853/+29.8184+129.4000/+29.8161+129.4200/+29.8122+129.4400/+29.8016+129.4600/+29.8000+129.4610/+29.7800+129.4685/+29.7787+129.4800/+29.7739+129.5000/+29.7600+129.5151/+29.7593+129.5200/+29.7600+129.5369/+29.7800+129.5210/+29.7845+129.5200/+29.8000+129.5039/+29.8049+129.5200/+29.8000+129.5262/+29.7941+129.5400/+29.7800+129.5587/+29.7789+129.5600/+29.7676+129.5800/+29.7600+129.5882/+29.7552+129.6000/+29.7400+129.6167/+29.7379+129.6200/+29.7229+129.6400/+29.7200+129.6429/+29.7131+129.6600/+29.7000+129.6732/+29.6985+129.6800/+29.6800+129.6987/+29.6799+129.7000/+29.6784+129.7200/+29.6600+129.7384/+29.6400+129.7396/+29.6204+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6229+129.6600/+29.6400+129.6429/+29.6402+129.6400/+29.6415+129.6200/+29.6600+129.6013/+29.6602+129.6000/+29.6613+129.5800/+29.6782+129.5600/+29.6800+129.5581/+29.6813+129.5400/+29.6875+129.5200/+29.7000+129.5062/+29.7010+129.5000/+29.7043+129.4800/+29.7194+129.4600/+29.7200+129.4593/+29.7228+129.4400/+29.7243+129.4200/+29.7259+129.4000/+29.7348+129.3800/+29.7400+129.3693/+29.7443+129.3600/+29.7600+129.3429/+29.7610+129.3400/+29.7645+129.3200/+29.7681+129.3000/+29.7741+129.2800/+29.7800+129.2629/+29.7814+129.2600/+29.8000+129.2410/+29.8006+129.2400/+29.8036+129.2200/+29.8126+129.2000/+29.8181+129.1800/+29.8200+129.1743/+29.8257+129.1600/+29.8353+129.1400/+29.8400+129.1322/+29.8523+129.1200/+29.8600+129.1120/+29.8685+129.1000/+29.8749+129.0800/+29.8800+129.0620/+29.8805+129.0600/+29.8878+129.0400/+29.9000+129.0213/+29.9088+129.0200/+29.9200+129.0164/+29.9314+129.0000/+29.9376+128.9800/+29.9400+128.9686/+29.9484+128.9600/+29.9600+128.9502/+29.9631+128.9600/ 北西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6702+129.6800/+29.6759+129.7000/+29.6600+129.7159/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6803/+29.6436+129.6800/+29.6600+129.6655/+29.6702+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-09T18:00:00+09:00 2026-08-09T21:00:00+09:00 降灰 70 +29.9273+129.3200/+29.9202+129.3400/+29.9200+129.3403/+29.9190+129.3400/+29.9074+129.3200/+29.9200+129.3121/+29.9273+129.3200/ +29.9006+128.9800/+29.9159+129.0000/+29.9180+129.0200/+29.9193+129.0400/+29.9174+129.0600/+29.9127+129.0800/+29.9078+129.1000/+29.9000+129.1169/+29.8982+129.1200/+29.8919+129.1400/+29.8883+129.1600/+29.8848+129.1800/+29.8817+129.2000/+29.8800+129.2136/+29.8791+129.2200/+29.8756+129.2400/+29.8708+129.2600/+29.8600+129.2743/+29.8568+129.2800/+29.8430+129.3000/+29.8400+129.3020/+29.8360+129.3200/+29.8341+129.3400/+29.8200+129.3545/+29.8169+129.3600/+29.8143+129.3800/+29.8111+129.4000/+29.8000+129.4192/+29.7998+129.4200/+29.7974+129.4400/+29.7800+129.4550/+29.7755+129.4600/+29.7600+129.4793/+29.7599+129.4800/+29.7581+129.5000/+29.7548+129.5200/+29.7600+129.5322/+29.7729+129.5200/+29.7800+129.5101/+29.7898+129.5000/+29.7998+129.4800/+29.8000+129.4795/+29.8122+129.4600/+29.8148+129.4400/+29.8200+129.4339/+29.8295+129.4200/+29.8382+129.4000/+29.8400+129.3977/+29.8600+129.3825/+29.8632+129.3800/+29.8704+129.3600/+29.8800+129.3473/+29.9000+129.3584/+29.9005+129.3600/+29.9000+129.3606/+29.8922+129.3800/+29.8892+129.4000/+29.8800+129.4112/+29.8719+129.4200/+29.8603+129.4400/+29.8600+129.4404/+29.8400+129.4540/+29.8316+129.4600/+29.8239+129.4800/+29.8200+129.4842/+29.8076+129.5000/+29.8000+129.5112/+29.7909+129.5200/+29.7800+129.5344/+29.7750+129.5400/+29.7699+129.5600/+29.7600+129.5784/+29.7595+129.5800/+29.7493+129.6000/+29.7400+129.6100/+29.7363+129.6200/+29.7200+129.6378/+29.7187+129.6400/+29.7080+129.6600/+29.7000+129.6680/+29.6956+129.6800/+29.6800+129.6959/+29.6799+129.7000/+29.6781+129.7200/+29.6600+129.7381/+29.6400+129.7396/+29.6204+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6207+129.6600/+29.6400+129.6406/+29.6401+129.6400/+29.6403+129.6200/+29.6427+129.6000/+29.6600+129.5823/+29.6603+129.5800/+29.6611+129.5600/+29.6666+129.5400/+29.6800+129.5256/+29.6807+129.5200/+29.6824+129.5000/+29.6907+129.4800/+29.7000+129.4697/+29.7015+129.4600/+29.7044+129.4400/+29.7157+129.4200/+29.7078+129.4000/+29.7200+129.3806/+29.7203+129.3800/+29.7246+129.3600/+29.7305+129.3400/+29.7400+129.3218/+29.7408+129.3200/+29.7400+129.3057/+29.7394+129.3000/+29.7400+129.2987/+29.7565+129.2800/+29.7600+129.2756/+29.7640+129.2600/+29.7701+129.2400/+29.7736+129.2200/+29.7800+129.2034/+29.7828+129.2000/+29.7949+129.1800/+29.8000+129.1744/+29.8094+129.1600/+29.8170+129.1400/+29.8200+129.1311/+29.8241+129.1200/+29.8329+129.1000/+29.8400+129.0842/+29.8443+129.0800/+29.8600+129.0625/+29.8627+129.0600/+29.8747+129.0400/+29.8800+129.0280/+29.8832+129.0200/+29.8901+129.0000/+29.8998+128.9800/+29.9000+128.9796/+29.9006+128.9800/ +29.7504+129.5400/+29.7400+129.5461/+29.7397+129.5400/+29.7400+129.5361/+29.7504+129.5400/ 北西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6713+129.6800/+29.6761+129.7000/+29.6600+129.7161/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6287+129.6800/+29.6400+129.6687/+29.6600+129.6638/+29.6713+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-09T21:00:00+09:00 2026-08-10T00:00:00+09:00 降灰 70 +29.9235+129.0000/+29.9246+129.0200/+29.9249+129.0400/+29.9238+129.0600/+29.9220+129.0800/+29.9205+129.1000/+29.9200+129.1020/+29.9148+129.1200/+29.9081+129.1400/+29.9000+129.1570/+29.8987+129.1600/+29.8916+129.1800/+29.8875+129.2000/+29.8829+129.2200/+29.8800+129.2318/+29.8778+129.2400/+29.8721+129.2600/+29.8611+129.2800/+29.8600+129.2838/+29.8535+129.3000/+29.8400+129.3185/+29.8396+129.3200/+29.8355+129.3400/+29.8205+129.3600/+29.8200+129.3606/+29.8153+129.3800/+29.8113+129.4000/+29.8048+129.4200/+29.8000+129.4285/+29.7974+129.4400/+29.7800+129.4568/+29.7783+129.4600/+29.7733+129.4800/+29.7600+129.4966/+29.7595+129.5000/+29.7576+129.5200/+29.7600+129.5305/+29.7674+129.5400/+29.7600+129.5582/+29.7400+129.5581/+29.7399+129.5600/+29.7400+129.5611/+29.7468+129.5800/+29.7400+129.5897/+29.7368+129.6000/+29.7278+129.6200/+29.7200+129.6283/+29.7161+129.6400/+29.7000+129.6583/+29.6998+129.6600/+29.6935+129.6800/+29.6800+129.6936/+29.6799+129.7000/+29.6778+129.7200/+29.6600+129.7378/+29.6400+129.7395/+29.6205+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6205+129.6600/+29.6400+129.6402/+29.6400+129.6400/+29.6403+129.6200/+29.6416+129.6000/+29.6600+129.5802/+29.6600+129.5800/+29.6609+129.5600/+29.6633+129.5400/+29.6800+129.5207/+29.6801+129.5200/+29.6818+129.5000/+29.6853+129.4800/+29.7000+129.4606/+29.7001+129.4600/+29.7028+129.4400/+29.7078+129.4200/+29.7065+129.4000/+29.7139+129.3800/+29.7200+129.3680/+29.7228+129.3600/+29.7298+129.3400/+29.7400+129.3203/+29.7401+129.3200/+29.7402+129.3000/+29.7597+129.2800/+29.7600+129.2796/+29.7656+129.2600/+29.7731+129.2400/+29.7764+129.2200/+29.7800+129.2095/+29.7864+129.2000/+29.7994+129.1800/+29.8000+129.1794/+29.8121+129.1600/+29.8200+129.1422/+29.8210+129.1400/+29.8299+129.1200/+29.8400+129.1026/+29.8427+129.1000/+29.8569+129.0800/+29.8600+129.0756/+29.8703+129.0600/+29.8791+129.0400/+29.8800+129.0378/+29.8874+129.0200/+29.8954+129.0000/+29.9000+128.9903/+29.9200+128.9969/+29.9235+129.0000/ 北西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6710+129.6800/+29.6755+129.7000/+29.6600+129.7155/+29.6582+129.7200/+29.6400+129.7382/+29.6218+129.7200/+29.6212+129.7000/+29.6293+129.6800/+29.6400+129.6693/+29.6600+129.6639/+29.6710+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-10T00:00:00+09:00 2026-08-10T03:00:00+09:00 降灰 70 +30.0226+129.0600/+30.0230+129.0800/+30.0232+129.1000/+30.0200+129.1067/+30.0131+129.1200/+30.0010+129.1400/+30.0000+129.1413/+29.9886+129.1600/+29.9801+129.1800/+29.9800+129.1803/+29.9743+129.2000/+29.9644+129.2200/+29.9600+129.2266/+29.9507+129.2400/+29.9402+129.2600/+29.9400+129.2603/+29.9336+129.2800/+29.9277+129.3000/+29.9200+129.3066/+29.9109+129.3200/+29.9027+129.3400/+29.9000+129.3440/+29.8800+129.3600/+29.8749+129.3800/+29.8600+129.3997/+29.8598+129.4000/+29.8525+129.4200/+29.8400+129.4387/+29.8392+129.4400/+29.8244+129.4600/+29.8200+129.4629/+29.8025+129.4800/+29.8000+129.4827/+29.7951+129.5000/+29.7800+129.5170/+29.7790+129.5200/+29.7726+129.5400/+29.7600+129.5537/+29.7588+129.5600/+29.7514+129.5800/+29.7400+129.5952/+29.7396+129.6000/+29.7400+129.6145/+29.7419+129.6200/+29.7400+129.6220/+29.7288+129.6400/+29.7200+129.6484/+29.7104+129.6600/+29.7000+129.6708/+29.6993+129.6800/+29.6800+129.6995/+29.6800+129.7000/+29.6784+129.7200/+29.6600+129.7384/+29.6400+129.7395/+29.6205+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6260+129.6600/+29.6400+129.6460/+29.6403+129.6400/+29.6445+129.6200/+29.6600+129.6044/+29.6605+129.6000/+29.6649+129.5800/+29.6800+129.5643/+29.6808+129.5600/+29.6851+129.5400/+29.7000+129.5238/+29.7011+129.5200/+29.7071+129.5000/+29.7200+129.4849/+29.7215+129.4800/+29.7292+129.4600/+29.7400+129.4475/+29.7427+129.4400/+29.7400+129.4216/+29.7389+129.4200/+29.7400+129.4183/+29.7584+129.4000/+29.7600+129.3987/+29.7666+129.3800/+29.7749+129.3600/+29.7800+129.3523/+29.7866+129.3400/+29.8000+129.3234/+29.8027+129.3200/+29.8093+129.3000/+29.8200+129.2823/+29.8220+129.2800/+29.8368+129.2600/+29.8400+129.2536/+29.8475+129.2400/+29.8600+129.2244/+29.8629+129.2200/+29.8750+129.2000/+29.8800+129.1899/+29.8863+129.1800/+29.9000+129.1653/+29.9065+129.1600/+29.9200+129.1412/+29.9207+129.1400/+29.9350+129.1200/+29.9400+129.1140/+29.9561+129.1000/+29.9600+129.0954/+29.9739+129.0800/+29.9800+129.0719/+29.9876+129.0600/+30.0000+129.0407/+30.0200+129.0543/+30.0226+129.0600/ 北西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6687+129.6800/+29.6757+129.7000/+29.6600+129.7157/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6388+129.6800/+29.6400+129.6788/+29.6600+129.6666/+29.6687+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-10T03:00:00+09:00 2026-08-10T06:00:00+09:00 降灰 70 +30.0149+129.0800/+30.0186+129.1000/+30.0108+129.1200/+30.0030+129.1400/+30.0000+129.1449/+29.9883+129.1600/+29.9800+129.1755/+29.9784+129.1800/+29.9735+129.2000/+29.9654+129.2200/+29.9600+129.2304/+29.9548+129.2400/+29.9460+129.2600/+29.9400+129.2718/+29.9373+129.2800/+29.9316+129.3000/+29.9200+129.3094/+29.9121+129.3200/+29.9064+129.3400/+29.9000+129.3538/+29.8959+129.3600/+29.8800+129.3780/+29.8793+129.3800/+29.8687+129.4000/+29.8600+129.4128/+29.8569+129.4200/+29.8475+129.4400/+29.8400+129.4534/+29.8360+129.4600/+29.8200+129.4703/+29.8123+129.4800/+29.8000+129.4942/+29.7982+129.5000/+29.7884+129.5200/+29.7800+129.5285/+29.7772+129.5400/+29.7600+129.5593/+29.7598+129.5600/+29.7576+129.5800/+29.7400+129.5990/+29.7398+129.6000/+29.7400+129.6114/+29.7432+129.6200/+29.7400+129.6238/+29.7313+129.6400/+29.7200+129.6512/+29.7152+129.6600/+29.7000+129.6753/+29.6997+129.6800/+29.6800+129.6997/+29.6800+129.7000/+29.6788+129.7200/+29.6600+129.7388/+29.6400+129.7396/+29.6204+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6400+129.6601/+29.6400+129.6600/+29.6406+129.6400/+29.6600+129.6204/+29.6602+129.6200/+29.6617+129.6000/+29.6800+129.5813/+29.6804+129.5800/+29.6835+129.5600/+29.7000+129.5428/+29.7009+129.5400/+29.7068+129.5200/+29.7200+129.5057/+29.7215+129.5000/+29.7298+129.4800/+29.7400+129.4687/+29.7429+129.4600/+29.7573+129.4400/+29.7600+129.4224/+29.7601+129.4200/+29.7663+129.4000/+29.7800+129.3805/+29.7804+129.3800/+29.7879+129.3600/+29.8000+129.3407/+29.8004+129.3400/+29.8106+129.3200/+29.8185+129.3000/+29.8200+129.2976/+29.8400+129.2816/+29.8414+129.2800/+29.8512+129.2600/+29.8600+129.2427/+29.8617+129.2400/+29.8733+129.2200/+29.8800+129.2117/+29.8927+129.2000/+29.9000+129.1913/+29.9130+129.1800/+29.9200+129.1709/+29.9261+129.1600/+29.9357+129.1400/+29.9400+129.1334/+29.9584+129.1200/+29.9600+129.1187/+29.9768+129.1000/+29.9800+129.0954/+29.9903+129.0800/+30.0000+129.0652/+30.0149+129.0800/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6696+129.6800/+29.6753+129.7000/+29.6600+129.7153/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6533+129.6800/+29.6600+129.6704/+29.6696+129.6800/ 北西 4 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、９日２１時から２４時までは火口から北西方向に降灰が予想されます。 　９日１２時から１０日６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 　０９日１２時から１５時まで　北西　　　　　　９０ｋｍ　　４ｋｍ　　　　　 　０９日１５時から１８時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０９日１８時から２１時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０９日２１時から２４時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１０日００時から０３時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１０日０３時から０６時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　 　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。