2026-08-31T23:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T08:00:00+09:00 2026-09-01T09:00:00+09:00 2026-09-02T03:00:00+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、１日０９時から１２時までは火口から西方向、１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 2026-09-01T09:00:00+09:00 2026-09-01T12:00:00+09:00 降灰 70 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西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6650+129.6800/+29.6699+129.7000/+29.6600+129.7099/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6320+129.6800/+29.6400+129.6704/+29.6600+129.6721/+29.6650+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T12:00:00+09:00 2026-09-01T15:00:00+09:00 降灰 70 +29.8034+129.0000/+29.8081+129.0200/+29.8112+129.0400/+29.8131+129.0600/+29.8143+129.0800/+29.8153+129.1000/+29.8144+129.1200/+29.8134+129.1400/+29.8109+129.1600/+29.8061+129.1800/+29.8002+129.2000/+29.8000+129.2004/+29.7951+129.2200/+29.7912+129.2400/+29.7904+129.2600/+29.7896+129.2800/+29.7878+129.3000/+29.7858+129.3200/+29.7800+129.3299/+29.7729+129.3400/+29.7624+129.3600/+29.7600+129.3626/+29.7576+129.3800/+29.7564+129.4000/+29.7550+129.4200/+29.7400+129.4359/+29.7383+129.4400/+29.7368+129.4600/+29.7317+129.4800/+29.7200+129.4970/+29.7198+129.5000/+29.7189+129.5200/+29.7176+129.5400/+29.7122+129.5600/+29.7000+129.5736/+29.6997+129.5800/+29.6995+129.6000/+29.6991+129.6200/+29.6939+129.6400/+29.6800+129.6541/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6775+129.7200/+29.6600+129.7375/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6204+129.6400/+29.6225+129.6200/+29.6400+129.6005/+29.6400+129.6000/+29.6404+129.5800/+29.6410+129.5600/+29.6428+129.5400/+29.6499+129.5200/+29.6600+129.5073/+29.6606+129.5000/+29.6617+129.4800/+29.6638+129.4600/+29.6699+129.4400/+29.6800+129.4243/+29.6805+129.4200/+29.6800+129.4170/+29.6672+129.4000/+29.6717+129.3800/+29.6783+129.3600/+29.6800+129.3557/+29.6853+129.3400/+29.6970+129.3200/+29.6901+129.3000/+29.6943+129.2800/+29.6991+129.2600/+29.7000+129.2574/+29.7085+129.2400/+29.7177+129.2200/+29.7167+129.2000/+29.7200+129.1869/+29.7217+129.1800/+29.7279+129.1600/+29.7354+129.1400/+29.7400+129.1276/+29.7456+129.1200/+29.7598+129.1000/+29.7600+129.0996/+29.7723+129.0800/+29.7800+129.0622/+29.7808+129.0600/+29.7870+129.0400/+29.7925+129.0200/+29.7976+129.0000/+29.8000+128.9928/+29.8034+129.0000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6606+129.6800/+29.6614+129.7000/+29.6600+129.7014/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6323+129.6800/+29.6400+129.6692/+29.6600+129.6789/+29.6606+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-01T15:00:00+09:00 2026-09-01T18:00:00+09:00 降灰 70 +29.7662+129.0600/+29.7697+129.0800/+29.7722+129.1000/+29.7757+129.1200/+29.7780+129.1400/+29.7789+129.1600/+29.7788+129.1800/+29.7787+129.2000/+29.7793+129.2200/+29.7767+129.2400/+29.7737+129.2600/+29.7699+129.2800/+29.7609+129.3000/+29.7600+129.3014/+29.7580+129.3200/+29.7548+129.3400/+29.7535+129.3600/+29.7516+129.3800/+29.7484+129.4000/+29.7425+129.4200/+29.7400+129.4225/+29.7299+129.4400/+29.7200+129.4561/+29.7197+129.4600/+29.7186+129.4800/+29.7173+129.5000/+29.7144+129.5200/+29.7018+129.5400/+29.7000+129.5421/+29.6995+129.5600/+29.6992+129.5800/+29.6985+129.6000/+29.6943+129.6200/+29.6800+129.6351/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6774+129.7200/+29.6600+129.7374/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6205+129.6200/+29.6215+129.6000/+29.6248+129.5800/+29.6358+129.5600/+29.6400+129.5540/+29.6405+129.5400/+29.6414+129.5200/+29.6427+129.5000/+29.6465+129.4800/+29.6522+129.4600/+29.6600+129.4464/+29.6607+129.4400/+29.6618+129.4200/+29.6600+129.4069/+29.6559+129.4000/+29.6600+129.3917/+29.6626+129.3800/+29.6663+129.3600/+29.6703+129.3400/+29.6742+129.3200/+29.6800+129.3083/+29.6826+129.3000/+29.6860+129.2800/+29.6886+129.2600/+29.6925+129.2400/+29.6954+129.2200/+29.6993+129.2000/+29.7000+129.1980/+29.7109+129.1800/+29.7155+129.1600/+29.7200+129.1400/+29.7200+129.1398/+29.7251+129.1200/+29.7312+129.1000/+29.7349+129.0800/+29.7392+129.0600/+29.7400+129.0566/+29.7600+129.0405/+29.7662+129.0600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6578+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6323+129.6800/+29.6400+129.6697/+29.6578+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-01T18:00:00+09:00 2026-09-01T21:00:00+09:00 降灰 70 +29.7627+129.0200/+29.7709+129.0400/+29.7739+129.0600/+29.7747+129.0800/+29.7753+129.1000/+29.7745+129.1200/+29.7737+129.1400/+29.7739+129.1600/+29.7746+129.1800/+29.7753+129.2000/+29.7686+129.2200/+29.7600+129.2391/+29.7599+129.2400/+29.7573+129.2600/+29.7556+129.2800/+29.7537+129.3000/+29.7503+129.3200/+29.7484+129.3400/+29.7462+129.3600/+29.7412+129.3800/+29.7400+129.3831/+29.7378+129.4000/+29.7213+129.4200/+29.7200+129.4214/+29.7187+129.4400/+29.7176+129.4600/+29.7156+129.4800/+29.7113+129.5000/+29.7000+129.5183/+29.6999+129.5200/+29.6993+129.5400/+29.6990+129.5600/+29.6983+129.5800/+29.6964+129.6000/+29.6822+129.6200/+29.6800+129.6223/+29.6799+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6773+129.7200/+29.6600+129.7373/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6204+129.6200/+29.6209+129.6000/+29.6223+129.5800/+29.6255+129.5600/+29.6329+129.5400/+29.6400+129.5272/+29.6403+129.5200/+29.6409+129.5000/+29.6419+129.4800/+29.6435+129.4600/+29.6456+129.4400/+29.6515+129.4200/+29.6458+129.4000/+29.6489+129.3800/+29.6526+129.3600/+29.6579+129.3400/+29.6600+129.3329/+29.6625+129.3200/+29.6658+129.3000/+29.6650+129.2800/+29.6730+129.2600/+29.6800+129.2489/+29.6828+129.2400/+29.6857+129.2200/+29.6889+129.2000/+29.6879+129.1800/+29.7000+129.1601/+29.7001+129.1600/+29.7123+129.1400/+29.7183+129.1200/+29.7200+129.1133/+29.7232+129.1000/+29.7269+129.0800/+29.7308+129.0600/+29.7359+129.0400/+29.7400+129.0285/+29.7541+129.0200/+29.7600+129.0159/+29.7627+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6539+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6332+129.6800/+29.6400+129.6702/+29.6539+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-01T21:00:00+09:00 2026-09-02T00:00:00+09:00 降灰 70 +29.8228+129.0200/+29.8258+129.0400/+29.8270+129.0600/+29.8274+129.0800/+29.8277+129.1000/+29.8256+129.1200/+29.8234+129.1400/+29.8200+129.1576/+29.8195+129.1600/+29.8118+129.1800/+29.8000+129.1992/+29.7997+129.2000/+29.7946+129.2200/+29.7907+129.2400/+29.7887+129.2600/+29.7862+129.2800/+29.7829+129.3000/+29.7800+129.3125/+29.7778+129.3200/+29.7600+129.3350/+29.7587+129.3400/+29.7569+129.3600/+29.7552+129.3800/+29.7533+129.4000/+29.7501+129.4200/+29.7400+129.4301/+29.7341+129.4400/+29.7277+129.4600/+29.7200+129.4700/+29.7192+129.4800/+29.7185+129.5000/+29.7173+129.5200/+29.7122+129.5400/+29.7000+129.5553/+29.6998+129.5600/+29.6995+129.5800/+29.6993+129.6000/+29.6980+129.6200/+29.6802+129.6400/+29.6800+129.6402/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6768+129.7200/+29.6600+129.7368/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6203+129.6400/+29.6211+129.6200/+29.6287+129.6000/+29.6400+129.5877/+29.6402+129.5800/+29.6405+129.5600/+29.6411+129.5400/+29.6426+129.5200/+29.6474+129.5000/+29.6600+129.4815/+29.6601+129.4800/+29.6611+129.4600/+29.6626+129.4400/+29.6659+129.4200/+29.6623+129.4000/+29.6649+129.3800/+29.6678+129.3600/+29.6726+129.3400/+29.6800+129.3235/+29.6813+129.3200/+29.6856+129.3000/+29.6889+129.2800/+29.6923+129.2600/+29.6982+129.2400/+29.7000+129.2336/+29.7052+129.2200/+29.7115+129.2000/+29.7168+129.1800/+29.7200+129.1663/+29.7217+129.1600/+29.7277+129.1400/+29.7361+129.1200/+29.7400+129.1134/+29.7506+129.1000/+29.7600+129.0826/+29.7613+129.0800/+29.7703+129.0600/+29.7775+129.0400/+29.7800+129.0327/+29.7848+129.0200/+29.7937+129.0000/+29.8000+128.9850/+29.8151+129.0000/+29.8200+129.0099/+29.8228+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6621+129.6800/+29.6600+129.6821/+29.6588+129.7000/+29.6400+129.7188/+29.6212+129.7000/+29.6290+129.6800/+29.6400+129.6650/+29.6600+129.6750/+29.6621+129.6800/ 西 4 鹿児島県十島村 4630400 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +29.8211+129.0400/+29.8251+129.0600/+29.8263+129.0800/+29.8270+129.1000/+29.8240+129.1200/+29.8214+129.1400/+29.8200+129.1503/+29.8187+129.1600/+29.8153+129.1800/+29.8115+129.2000/+29.8045+129.2200/+29.8000+129.2255/+29.7963+129.2400/+29.7931+129.2600/+29.7903+129.2800/+29.7883+129.3000/+29.7861+129.3200/+29.7800+129.3309/+29.7744+129.3400/+29.7649+129.3600/+29.7600+129.3661/+29.7579+129.3800/+29.7560+129.4000/+29.7539+129.4200/+29.7400+129.4345/+29.7377+129.4400/+29.7350+129.4600/+29.7273+129.4800/+29.7200+129.4893/+29.7192+129.5000/+29.7182+129.5200/+29.7157+129.5400/+29.7018+129.5600/+29.7000+129.5619/+29.6996+129.5800/+29.6994+129.6000/+29.6985+129.6200/+29.6873+129.6400/+29.6800+129.6473/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6766+129.7200/+29.6600+129.7366/+29.6400+129.7394/+29.6206+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6203+129.6400/+29.6211+129.6200/+29.6261+129.6000/+29.6400+129.5828/+29.6401+129.5800/+29.6405+129.5600/+29.6412+129.5400/+29.6430+129.5200/+29.6463+129.5000/+29.6545+129.4800/+29.6600+129.4685/+29.6605+129.4600/+29.6631+129.4400/+29.6653+129.4200/+29.6623+129.4000/+29.6664+129.3800/+29.6711+129.3600/+29.6786+129.3400/+29.6800+129.3362/+29.6844+129.3200/+29.6870+129.3000/+29.6902+129.2800/+29.6947+129.2600/+29.7000+129.2461/+29.7034+129.2400/+29.7122+129.2200/+29.7178+129.2000/+29.7200+129.1926/+29.7237+129.1800/+29.7316+129.1600/+29.7400+129.1411/+29.7409+129.1400/+29.7524+129.1200/+29.7600+129.1061/+29.7630+129.1000/+29.7727+129.0800/+29.7800+129.0643/+29.7819+129.0600/+29.7896+129.0400/+29.7971+129.0200/+29.8000+129.0130/+29.8090+129.0200/+29.8200+129.0372/+29.8211+129.0400/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6622+129.6800/+29.6600+129.6822/+29.6588+129.7000/+29.6400+129.7188/+29.6212+129.7000/+29.6300+129.6800/+29.6400+129.6661/+29.6600+129.6753/+29.6622+129.6800/ 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、１日０９時から１２時までは火口から西方向、１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。 　１日９時から２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 　０１日０９時から１２時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０１日２１時から２４時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０２日００時から０３時まで　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。