2026-09-01T14:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T23:00:00+09:00 2026-09-02T00:00:00+09:00 2026-09-02T18:00:00+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 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +29.8071+129.0200/+29.8138+129.0400/+29.8159+129.0600/+29.8156+129.0800/+29.8153+129.1000/+29.8120+129.1200/+29.8083+129.1400/+29.8027+129.1600/+29.8000+129.1665/+29.7959+129.1800/+29.7924+129.2000/+29.7898+129.2200/+29.7874+129.2400/+29.7855+129.2600/+29.7835+129.2800/+29.7805+129.3000/+29.7800+129.3027/+29.7763+129.3200/+29.7600+129.3365/+29.7590+129.3400/+29.7564+129.3600/+29.7543+129.3800/+29.7520+129.4000/+29.7486+129.4200/+29.7400+129.4286/+29.7345+129.4400/+29.7291+129.4600/+29.7200+129.4734/+29.7193+129.4800/+29.7180+129.5000/+29.7163+129.5200/+29.7107+129.5400/+29.7000+129.5530/+29.6996+129.5600/+29.6993+129.5800/+29.6989+129.6000/+29.6971+129.6200/+29.6800+129.6390/+29.6800+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6770+129.7200/+29.6600+129.7370/+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/+29.6242+129.5800/+29.6323+129.5600/+29.6400+129.5472/+29.6403+129.5400/+29.6410+129.5200/+29.6419+129.5000/+29.6433+129.4800/+29.6480+129.4600/+29.6524+129.4400/+29.6600+129.4225/+29.6603+129.4200/+29.6600+129.4180/+29.6509+129.4000/+29.6580+129.3800/+29.6600+129.3747/+29.6632+129.3600/+29.6686+129.3400/+29.6762+129.3200/+29.6800+129.3092/+29.6820+129.3000/+29.6861+129.2800/+29.6900+129.2600/+29.6955+129.2400/+29.7000+129.2213/+29.7004+129.2200/+29.7080+129.2000/+29.7153+129.1800/+29.7200+129.1633/+29.7210+129.1600/+29.7278+129.1400/+29.7372+129.1200/+29.7400+129.1155/+29.7571+129.1000/+29.7600+129.0951/+29.7698+129.0800/+29.7781+129.0600/+29.7800+129.0551/+29.7853+129.0400/+29.7942+129.0200/+29.8000+129.0077/+29.8071+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6643+129.6800/+29.6600+129.6843/+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/+29.6600+129.6725/+29.6643+129.6800/ 西 4 鹿児島県十島村 4630400 2026-09-02T03:00:00+09:00 2026-09-02T06:00:00+09:00 降灰 70 +29.8009+129.0800/+29.8022+129.1000/+29.8000+129.1127/+29.7955+129.1200/+29.7925+129.1400/+29.7905+129.1600/+29.7884+129.1800/+29.7871+129.2000/+29.7856+129.2200/+29.7849+129.2400/+29.7835+129.2600/+29.7821+129.2800/+29.7800+129.2931/+29.7787+129.3000/+29.7734+129.3200/+29.7600+129.3315/+29.7578+129.3400/+29.7559+129.3600/+29.7543+129.3800/+29.7516+129.4000/+29.7470+129.4200/+29.7400+129.4271/+29.7338+129.4400/+29.7270+129.4600/+29.7200+129.4698/+29.7192+129.4800/+29.7183+129.5000/+29.7168+129.5200/+29.7142+129.5400/+29.7033+129.5600/+29.7000+129.5641/+29.6995+129.5800/+29.6992+129.6000/+29.6983+129.6200/+29.6918+129.6400/+29.6800+129.6523/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6779+129.7200/+29.6600+129.7379/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6203+129.6400/+29.6213+129.6200/+29.6269+129.6000/+29.6400+129.5839/+29.6402+129.5800/+29.6406+129.5600/+29.6413+129.5400/+29.6426+129.5200/+29.6456+129.5000/+29.6511+129.4800/+29.6600+129.4613/+29.6601+129.4600/+29.6609+129.4400/+29.6622+129.4200/+29.6600+129.4057/+29.6567+129.4000/+29.6600+129.3920/+29.6627+129.3800/+29.6656+129.3600/+29.6695+129.3400/+29.6746+129.3200/+29.6800+129.3084/+29.6826+129.3000/+29.6880+129.2800/+29.6920+129.2600/+29.6979+129.2400/+29.7000+129.2340/+29.7063+129.2200/+29.7180+129.2000/+29.7200+129.1904/+29.7219+129.1800/+29.7259+129.1600/+29.7312+129.1400/+29.7393+129.1200/+29.7400+129.1186/+29.7600+129.1012/+29.7688+129.1000/+29.7800+129.0961/+29.7958+129.0800/+29.8000+129.0674/+29.8009+129.0800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6619+129.6800/+29.6655+129.7000/+29.6600+129.7055/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6334+129.6800/+29.6400+129.6709/+29.6600+129.6770/+29.6619+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +29.7451+129.1200/+29.7544+129.1400/+29.7576+129.1600/+29.7575+129.1800/+29.7574+129.2000/+29.7520+129.2200/+29.7514+129.2400/+29.7514+129.2600/+29.7514+129.2800/+29.7517+129.3000/+29.7513+129.3200/+29.7488+129.3400/+29.7472+129.3600/+29.7449+129.3800/+29.7402+129.4000/+29.7400+129.4009/+29.7365+129.4200/+29.7271+129.4400/+29.7200+129.4582/+29.7199+129.4600/+29.7178+129.4800/+29.7164+129.5000/+29.7136+129.5200/+29.7040+129.5400/+29.7000+129.5452/+29.6994+129.5600/+29.6990+129.5800/+29.6984+129.6000/+29.6955+129.6200/+29.6800+129.6385/+29.6800+129.6400/+29.6799+129.6600/+29.6799+129.6800/+29.6799+129.7000/+29.6781+129.7200/+29.6600+129.7381/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6206+129.6200/+29.6218+129.6000/+29.6250+129.5800/+29.6357+129.5600/+29.6400+129.5536/+29.6404+129.5400/+29.6410+129.5200/+29.6419+129.5000/+29.6433+129.4800/+29.6455+129.4600/+29.6484+129.4400/+29.6557+129.4200/+29.6483+129.4000/+29.6516+129.3800/+29.6561+129.3600/+29.6600+129.3460/+29.6612+129.3400/+29.6643+129.3200/+29.6669+129.3000/+29.6672+129.2800/+29.6728+129.2600/+29.6800+129.2421/+29.6807+129.2400/+29.6852+129.2200/+29.6902+129.2000/+29.6882+129.1800/+29.6957+129.1600/+29.7000+129.1488/+29.7163+129.1400/+29.7200+129.1367/+29.7348+129.1200/+29.7400+129.1122/+29.7451+129.1200/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6640+129.7000/+29.6600+129.7040/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6357+129.6800/+29.6400+129.6738/+29.6591+129.6800/+29.6600+129.6809/+29.6640+129.7000/ 西 3 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 +29.7022+129.0200/+29.7042+129.0400/+29.7046+129.0600/+29.7036+129.0800/+29.7025+129.1000/+29.7073+129.1200/+29.7112+129.1400/+29.7131+129.1600/+29.7137+129.1800/+29.7144+129.2000/+29.7082+129.2200/+29.7087+129.2400/+29.7091+129.2600/+29.7094+129.2800/+29.7094+129.3000/+29.7000+129.3150/+29.6982+129.3200/+29.6988+129.3400/+29.6986+129.3600/+29.6981+129.3800/+29.6979+129.4000/+29.6944+129.4200/+29.6940+129.4400/+29.6932+129.4600/+29.6907+129.4800/+29.6878+129.5000/+29.6825+129.5200/+29.6800+129.5260/+29.6798+129.5400/+29.6796+129.5600/+29.6795+129.5800/+29.6796+129.6000/+29.6796+129.6200/+29.6797+129.6400/+29.6798+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6765+129.7200/+29.6600+129.7365/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6747/+29.6144+129.6600/+29.6129+129.6400/+29.6166+129.6200/+29.6200+129.6018/+29.6200+129.6000/+29.6200+129.5899/+29.6196+129.5800/+29.6200+129.5771/+29.6201+129.5600/+29.6203+129.5400/+29.6205+129.5200/+29.6207+129.5000/+29.6210+129.4800/+29.6213+129.4600/+29.6221+129.4400/+29.6228+129.4200/+29.6200+129.4107/+29.6103+129.4000/+29.6121+129.3800/+29.6149+129.3600/+29.6182+129.3400/+29.6200+129.3286/+29.6209+129.3200/+29.6211+129.3000/+29.6200+129.2947/+29.6159+129.2800/+29.6187+129.2600/+29.6200+129.2526/+29.6227+129.2400/+29.6260+129.2200/+29.6306+129.2000/+29.6283+129.1800/+29.6311+129.1600/+29.6347+129.1400/+29.6393+129.1200/+29.6400+129.1175/+29.6513+129.1000/+29.6550+129.0800/+29.6584+129.0600/+29.6600+129.0538/+29.6723+129.0400/+29.6800+129.0319/+29.6891+129.0200/+29.7000+129.0006/+29.7022+129.0200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6492+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6308+129.6800/+29.6400+129.6674/+29.6492+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 +29.7048+129.2000/+29.7025+129.2200/+29.7022+129.2400/+29.7044+129.2600/+29.7061+129.2800/+29.7080+129.3000/+29.7000+129.3101/+29.6966+129.3200/+29.6970+129.3400/+29.6971+129.3600/+29.6971+129.3800/+29.6972+129.4000/+29.6933+129.4200/+29.6920+129.4400/+29.6904+129.4600/+29.6845+129.4800/+29.6800+129.4970/+29.6800+129.5000/+29.6797+129.5200/+29.6796+129.5400/+29.6796+129.5600/+29.6796+129.5800/+29.6797+129.6000/+29.6797+129.6200/+29.6797+129.6400/+29.6798+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6756+129.7200/+29.6600+129.7356/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6600/+29.6200+129.6400/+29.6201+129.6200/+29.6201+129.6000/+29.6201+129.5800/+29.6202+129.5600/+29.6203+129.5400/+29.6204+129.5200/+29.6208+129.5000/+29.6213+129.4800/+29.6218+129.4600/+29.6222+129.4400/+29.6227+129.4200/+29.6200+129.4121/+29.6090+129.4000/+29.6100+129.3800/+29.6121+129.3600/+29.6144+129.3400/+29.6167+129.3200/+29.6173+129.3000/+29.6127+129.2800/+29.6138+129.2600/+29.6151+129.2400/+29.6157+129.2200/+29.6162+129.2000/+29.6183+129.1800/+29.6200+129.1642/+29.6205+129.1600/+29.6224+129.1400/+29.6236+129.1200/+29.6249+129.1000/+29.6281+129.0800/+29.6323+129.0600/+29.6362+129.0400/+29.6391+129.0200/+29.6400+129.0148/+29.6492+129.0000/+29.6600+128.9825/+29.6672+129.0000/+29.6730+129.0200/+29.6773+129.0400/+29.6800+129.0499/+29.6823+129.0600/+29.6871+129.0800/+29.6903+129.1000/+29.6916+129.1200/+29.6926+129.1400/+29.6939+129.1600/+29.6951+129.1800/+29.7000+129.1903/+29.7048+129.2000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6511+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6290+129.6800/+29.6400+129.6650/+29.6511+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 +29.6811+129.1200/+29.6821+129.1400/+29.6829+129.1600/+29.6838+129.1800/+29.6800+129.1878/+29.6759+129.2000/+29.6761+129.2200/+29.6762+129.2400/+29.6764+129.2600/+29.6765+129.2800/+29.6769+129.3000/+29.6783+129.3200/+29.6783+129.3400/+29.6783+129.3600/+29.6785+129.3800/+29.6790+129.4000/+29.6726+129.4200/+29.6736+129.4400/+29.6735+129.4600/+29.6745+129.4800/+29.6747+129.5000/+29.6749+129.5200/+29.6753+129.5400/+29.6760+129.5600/+29.6766+129.5800/+29.6773+129.6000/+29.6777+129.6200/+29.6782+129.6400/+29.6788+129.6600/+29.6794+129.6800/+29.6793+129.7000/+29.6713+129.7200/+29.6600+129.7313/+29.6400+129.7394/+29.6206+129.7200/+29.6200+129.7098/+29.6102+129.7000/+29.6011+129.6800/+29.6006+129.6600/+29.6006+129.6400/+29.6006+129.6200/+29.6007+129.6000/+29.6008+129.5800/+29.6009+129.5600/+29.6009+129.5400/+29.6009+129.5200/+29.6008+129.5000/+29.6007+129.4800/+29.6003+129.4600/+29.6000+129.4514/+29.5963+129.4400/+29.5976+129.4200/+29.5862+129.4000/+29.5866+129.3800/+29.5874+129.3600/+29.5881+129.3400/+29.5886+129.3200/+29.5827+129.3000/+29.5843+129.2800/+29.5856+129.2600/+29.5872+129.2400/+29.5904+129.2200/+29.5910+129.2000/+29.5916+129.1800/+29.5969+129.1600/+29.6000+129.1486/+29.6018+129.1400/+29.6056+129.1200/+29.6097+129.1000/+29.6131+129.0800/+29.6169+129.0600/+29.6197+129.0400/+29.6200+129.0349/+29.6210+129.0200/+29.6224+129.0000/+29.6268+128.9800/+29.6323+128.9600/+29.6380+128.9400/+29.6400+128.9325/+29.6600+128.9320/+29.6621+128.9400/+29.6677+128.9600/+29.6729+128.9800/+29.6769+129.0000/+29.6766+129.0200/+29.6763+129.0400/+29.6771+129.0600/+29.6786+129.0800/+29.6799+129.1000/+29.6800+129.1012/+29.6811+129.1200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6528+129.6800/+29.6588+129.7000/+29.6575+129.7200/+29.6400+129.7375/+29.6225+129.7200/+29.6212+129.7000/+29.6272+129.6800/+29.6400+129.6621/+29.6528+129.6800/ 西 3 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に降灰が予想されます。 　２日０時から２日１８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００時から０３時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０２日０３時から０６時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０２日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０９時から１２時まで　西　　　　　　　７０ｋｍ　　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　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　 　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。