2026-08-18T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-19T05:00:00+09:00 2026-08-19T06:00:00+09:00 2026-08-20T00:00:00+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、１９日０９時から１２時までは火口から西方向、１９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 2026-08-19T06:00:00+09:00 2026-08-19T09:00:00+09:00 降灰 70 +29.8431+129.1400/+29.8400+129.1571/+29.8393+129.1600/+29.8320+129.1800/+29.8295+129.2000/+29.8280+129.2200/+29.8271+129.2400/+29.8223+129.2600/+29.8200+129.2740/+29.8191+129.2800/+29.8120+129.3000/+29.8004+129.3200/+29.8000+129.3205/+29.7950+129.3400/+29.7898+129.3600/+29.7843+129.3800/+29.7800+129.3912/+29.7774+129.4000/+29.7682+129.4200/+29.7600+129.4264/+29.7557+129.4400/+29.7502+129.4600/+29.7400+129.4737/+29.7388+129.4800/+29.7371+129.5000/+29.7325+129.5200/+29.7200+129.5372/+29.7197+129.5400/+29.7182+129.5600/+29.7157+129.5800/+29.7000+129.5985/+29.6999+129.6000/+29.6996+129.6200/+29.6989+129.6400/+29.6896+129.6600/+29.6800+129.6701/+29.6799+129.6800/+29.6799+129.7000/+29.6787+129.7200/+29.6600+129.7387/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6204+129.6400/+29.6215+129.6200/+29.6248+129.6000/+29.6379+129.5800/+29.6400+129.5766/+29.6407+129.5600/+29.6420+129.5400/+29.6442+129.5200/+29.6489+129.5000/+29.6559+129.4800/+29.6600+129.4739/+29.6630+129.4600/+29.6663+129.4400/+29.6689+129.4200/+29.6689+129.4000/+29.6800+129.3804/+29.6802+129.3800/+29.6862+129.3600/+29.6970+129.3400/+29.7000+129.3359/+29.7063+129.3200/+29.7109+129.3000/+29.7200+129.2898/+29.7247+129.2800/+29.7299+129.2600/+29.7378+129.2400/+29.7400+129.2348/+29.7480+129.2200/+29.7600+129.2061/+29.7673+129.2000/+29.7760+129.1800/+29.7800+129.1707/+29.7847+129.1600/+29.7950+129.1400/+29.8000+129.1327/+29.8200+129.1315/+29.8400+129.1237/+29.8431+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6696+129.7000/+29.6600+129.7096/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6389+129.6800/+29.6400+129.6786/+29.6480+129.6800/+29.6600+129.6818/+29.6696+129.7000/ 西 3 鹿児島県十島村 4630400 2026-08-19T09:00:00+09:00 2026-08-19T12:00:00+09:00 降灰 70 +29.8249+129.1200/+29.8281+129.1400/+29.8286+129.1600/+29.8281+129.1800/+29.8277+129.2000/+29.8246+129.2200/+29.8200+129.2349/+29.8188+129.2400/+29.8126+129.2600/+29.8029+129.2800/+29.8000+129.2850/+29.7967+129.3000/+29.7934+129.3200/+29.7884+129.3400/+29.7830+129.3600/+29.7800+129.3675/+29.7762+129.3800/+29.7677+129.4000/+29.7600+129.4112/+29.7588+129.4200/+29.7529+129.4400/+29.7401+129.4600/+29.7400+129.4601/+29.7384+129.4800/+29.7357+129.5000/+29.7284+129.5200/+29.7200+129.5304/+29.7192+129.5400/+29.7180+129.5600/+29.7137+129.5800/+29.7000+129.5961/+29.6998+129.6000/+29.6995+129.6200/+29.6985+129.6400/+29.6845+129.6600/+29.6800+129.6648/+29.6799+129.6800/+29.6799+129.7000/+29.6786+129.7200/+29.6600+129.7386/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6201+129.6600/+29.6206+129.6400/+29.6244+129.6200/+29.6400+129.6027/+29.6402+129.6000/+29.6406+129.5800/+29.6417+129.5600/+29.6452+129.5400/+29.6537+129.5200/+29.6600+129.5115/+29.6611+129.5000/+29.6629+129.4800/+29.6670+129.4600/+29.6785+129.4400/+29.6800+129.4373/+29.6820+129.4200/+29.6800+129.4082/+29.6745+129.4000/+29.6800+129.3881/+29.6833+129.3800/+29.6910+129.3600/+29.7000+129.3457/+29.7013+129.3400/+29.7059+129.3200/+29.7047+129.3000/+29.7200+129.2819/+29.7211+129.2800/+29.7258+129.2600/+29.7314+129.2400/+29.7371+129.2200/+29.7400+129.2108/+29.7473+129.2000/+29.7595+129.1800/+29.7600+129.1792/+29.7702+129.1600/+29.7785+129.1400/+29.7800+129.1361/+29.7871+129.1200/+29.7979+129.1000/+29.8000+129.0956/+29.8101+129.1000/+29.8200+129.1083/+29.8249+129.1200/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6604+129.6800/+29.6660+129.7000/+29.6600+129.7060/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6375+129.6800/+29.6400+129.6769/+29.6600+129.6794/+29.6604+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-19T12:00:00+09:00 2026-08-19T15:00:00+09:00 降灰 70 +29.8645+129.1000/+29.8655+129.1200/+29.8661+129.1400/+29.8648+129.1600/+29.8617+129.1800/+29.8600+129.1915/+29.8584+129.2000/+29.8494+129.2200/+29.8430+129.2400/+29.8400+129.2452/+29.8360+129.2600/+29.8326+129.2800/+29.8280+129.3000/+29.8224+129.3200/+29.8200+129.3290/+29.8162+129.3400/+29.8045+129.3600/+29.8000+129.3703/+29.7974+129.3800/+29.7926+129.4000/+29.7871+129.4200/+29.7800+129.4357/+29.7765+129.4400/+29.7600+129.4504/+29.7584+129.4600/+29.7547+129.4800/+29.7400+129.4993/+29.7399+129.5000/+29.7380+129.5200/+29.7344+129.5400/+29.7200+129.5574/+29.7197+129.5600/+29.7186+129.5800/+29.7147+129.6000/+29.7000+129.6161/+29.6998+129.6200/+29.6995+129.6400/+29.6970+129.6600/+29.6800+129.6775/+29.6800+129.6800/+29.6799+129.7000/+29.6787+129.7200/+29.6600+129.7387/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6217+129.6400/+29.6400+129.6207/+29.6401+129.6200/+29.6405+129.6000/+29.6417+129.5800/+29.6470+129.5600/+29.6600+129.5445/+29.6605+129.5400/+29.6621+129.5200/+29.6664+129.5000/+29.6800+129.4805/+29.6801+129.4800/+29.6827+129.4600/+29.6870+129.4400/+29.6965+129.4200/+29.6999+129.4000/+29.7000+129.3998/+29.7039+129.3800/+29.7078+129.3600/+29.7144+129.3400/+29.7200+129.3285/+29.7238+129.3200/+29.7291+129.3000/+29.7372+129.2800/+29.7400+129.2711/+29.7447+129.2600/+29.7600+129.2402/+29.7601+129.2400/+29.7683+129.2200/+29.7745+129.2000/+29.7800+129.1853/+29.7824+129.1800/+29.7942+129.1600/+29.8000+129.1509/+29.8153+129.1400/+29.8200+129.1337/+29.8280+129.1200/+29.8361+129.1000/+29.8400+129.0920/+29.8600+129.0877/+29.8645+129.1000/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6613+129.6800/+29.6707+129.7000/+29.6600+129.7107/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6365+129.6800/+29.6400+129.6759/+29.6600+129.6781/+29.6613+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-19T15:00:00+09:00 2026-08-19T18:00:00+09:00 降灰 70 +29.9244+129.0800/+29.9276+129.1000/+29.9220+129.1200/+29.9200+129.1287/+29.9177+129.1400/+29.9112+129.1600/+29.9000+129.1779/+29.8984+129.1800/+29.8897+129.2000/+29.8846+129.2200/+29.8806+129.2400/+29.8800+129.2423/+29.8755+129.2600/+29.8628+129.2800/+29.8600+129.2878/+29.8539+129.3000/+29.8400+129.3150/+29.8379+129.3200/+29.8336+129.3400/+29.8200+129.3561/+29.8181+129.3600/+29.8134+129.3800/+29.8073+129.4000/+29.8000+129.4132/+29.7978+129.4200/+29.7925+129.4400/+29.7800+129.4518/+29.7727+129.4600/+29.7600+129.4759/+29.7591+129.4800/+29.7561+129.5000/+29.7451+129.5200/+29.7400+129.5258/+29.7386+129.5400/+29.7348+129.5600/+29.7200+129.5763/+29.7196+129.5800/+29.7185+129.6000/+29.7091+129.6200/+29.7000+129.6292/+29.6997+129.6400/+29.6989+129.6600/+29.6800+129.6798/+29.6800+129.6800/+29.6799+129.7000/+29.6787+129.7200/+29.6600+129.7387/+29.6400+129.7396/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6203+129.6600/+29.6228+129.6400/+29.6400+129.6218/+29.6401+129.6200/+29.6408+129.6000/+29.6430+129.5800/+29.6560+129.5600/+29.6600+129.5548/+29.6612+129.5400/+29.6638+129.5200/+29.6752+129.5000/+29.6800+129.4926/+29.6817+129.4800/+29.6865+129.4600/+29.6979+129.4400/+29.7000+129.4369/+29.7046+129.4200/+29.7059+129.4000/+29.7147+129.3800/+29.7200+129.3676/+29.7224+129.3600/+29.7313+129.3400/+29.7400+129.3281/+29.7450+129.3200/+29.7484+129.3000/+29.7600+129.2869/+29.7632+129.2800/+29.7704+129.2600/+29.7800+129.2442/+29.7836+129.2400/+29.7892+129.2200/+29.8000+129.2102/+29.8089+129.2000/+29.8178+129.1800/+29.8200+129.1755/+29.8281+129.1600/+29.8399+129.1400/+29.8400+129.1398/+29.8600+129.1210/+29.8611+129.1200/+29.8746+129.1000/+29.8800+129.0905/+29.8868+129.0800/+29.9000+129.0629/+29.9200+129.0713/+29.9244+129.0800/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6637+129.6800/+29.6719+129.7000/+29.6600+129.7119/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6364+129.6800/+29.6400+129.6760/+29.6600+129.6747/+29.6637+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-19T18:00:00+09:00 2026-08-19T21:00:00+09:00 降灰 70 +29.9409+129.0800/+29.9429+129.1000/+29.9400+129.1048/+29.9284+129.1200/+29.9281+129.1400/+29.9258+129.1600/+29.9223+129.1800/+29.9200+129.1982/+29.9198+129.2000/+29.9098+129.2200/+29.9000+129.2326/+29.8961+129.2400/+29.8895+129.2600/+29.8800+129.2708/+29.8750+129.2800/+29.8700+129.3000/+29.8641+129.3200/+29.8600+129.3311/+29.8551+129.3400/+29.8400+129.3543/+29.8377+129.3600/+29.8287+129.3800/+29.8200+129.3899/+29.8176+129.4000/+29.8134+129.4200/+29.8045+129.4400/+29.8000+129.4476/+29.7800+129.4598/+29.7799+129.4600/+29.7767+129.4800/+29.7629+129.5000/+29.7600+129.5031/+29.7578+129.5200/+29.7501+129.5400/+29.7400+129.5505/+29.7388+129.5600/+29.7349+129.5800/+29.7200+129.5959/+29.7196+129.6000/+29.7183+129.6200/+29.7000+129.6389/+29.6999+129.6400/+29.6996+129.6600/+29.6952+129.6800/+29.6800+129.6952/+29.6799+129.7000/+29.6789+129.7200/+29.6600+129.7389/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6206+129.6600/+29.6400+129.6402/+29.6400+129.6400/+29.6405+129.6200/+29.6432+129.6000/+29.6600+129.5810/+29.6602+129.5800/+29.6620+129.5600/+29.6685+129.5400/+29.6800+129.5261/+29.6812+129.5200/+29.6853+129.5000/+29.6981+129.4800/+29.7000+129.4773/+29.7041+129.4600/+29.7146+129.4400/+29.7200+129.4322/+29.7228+129.4200/+29.7226+129.4000/+29.7320+129.3800/+29.7400+129.3651/+29.7425+129.3600/+29.7580+129.3400/+29.7600+129.3370/+29.7653+129.3200/+29.7707+129.3000/+29.7800+129.2806/+29.7804+129.2800/+29.7936+129.2600/+29.8000+129.2546/+29.8086+129.2400/+29.8150+129.2200/+29.8200+129.2095/+29.8247+129.2000/+29.8362+129.1800/+29.8400+129.1755/+29.8600+129.1610/+29.8614+129.1600/+29.8769+129.1400/+29.8800+129.1345/+29.8889+129.1200/+29.9000+129.1039/+29.9200+129.1033/+29.9262+129.1000/+29.9394+129.0800/+29.9400+129.0761/+29.9409+129.0800/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6658+129.6800/+29.6727+129.7000/+29.6600+129.7127/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6804/+29.6486+129.6800/+29.6600+129.6719/+29.6658+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-19T21:00:00+09:00 2026-08-20T00:00:00+09:00 降灰 70 +29.9642+129.1000/+29.9600+129.1163/+29.9577+129.1200/+29.9507+129.1400/+29.9416+129.1600/+29.9400+129.1624/+29.9317+129.1800/+29.9275+129.2000/+29.9216+129.2200/+29.9200+129.2249/+29.9148+129.2400/+29.9045+129.2600/+29.9000+129.2654/+29.8939+129.2800/+29.8835+129.3000/+29.8800+129.3036/+29.8745+129.3200/+29.8700+129.3400/+29.8639+129.3600/+29.8600+129.3699/+29.8549+129.3800/+29.8400+129.3992/+29.8397+129.4000/+29.8264+129.4200/+29.8200+129.4252/+29.8161+129.4400/+29.8116+129.4600/+29.8000+129.4712/+29.7921+129.4800/+29.7800+129.4941/+29.7786+129.5000/+29.7728+129.5200/+29.7600+129.5344/+29.7589+129.5400/+29.7541+129.5600/+29.7400+129.5752/+29.7393+129.5800/+29.7356+129.6000/+29.7200+129.6161/+29.7196+129.6200/+29.7170+129.6400/+29.7000+129.6571/+29.6998+129.6600/+29.6988+129.6800/+29.6800+129.6989/+29.6799+129.7000/+29.6790+129.7200/+29.6600+129.7390/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6219+129.6600/+29.6400+129.6418/+29.6402+129.6400/+29.6415+129.6200/+29.6600+129.6001/+29.6600+129.6000/+29.6616+129.5800/+29.6688+129.5600/+29.6800+129.5478/+29.6816+129.5400/+29.6867+129.5200/+29.7000+129.5035/+29.7011+129.5000/+29.7051+129.4800/+29.7197+129.4600/+29.7200+129.4597/+29.7263+129.4400/+29.7284+129.4200/+29.7361+129.4000/+29.7400+129.3938/+29.7495+129.3800/+29.7600+129.3663/+29.7620+129.3600/+29.7694+129.3400/+29.7759+129.3200/+29.7800+129.3098/+29.7861+129.3000/+29.8000+129.2882/+29.8061+129.2800/+29.8129+129.2600/+29.8200+129.2462/+29.8237+129.2400/+29.8317+129.2200/+29.8400+129.2095/+29.8512+129.2000/+29.8600+129.1885/+29.8659+129.1800/+29.8770+129.1600/+29.8800+129.1538/+29.8868+129.1400/+29.9000+129.1219/+29.9078+129.1200/+29.9200+129.1139/+29.9291+129.1000/+29.9400+129.0850/+29.9600+129.0861/+29.9642+129.1000/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6649+129.6800/+29.6742+129.7000/+29.6600+129.7142/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6537+129.6800/+29.6600+129.6747/+29.6649+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、１９日０９時から１２時までは火口から西方向、１９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。 　１９日６時から１９日２４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 　１９日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日０９時から１２時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１９日１２時から１５時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１９日１５時から１８時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１９日１８時から２１時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１９日２１時から２４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。