2026-08-19T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-19T17:00:00+09:00 2026-08-19T18:00:00+09:00 2026-08-20T12:00:00+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２１時から２４時までは火口から北西方向、２０日０９時から１２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 2026-08-19T18:00:00+09:00 2026-08-19T21:00:00+09:00 降灰 70 +29.9096+129.0800/+29.9130+129.1000/+29.9086+129.1200/+29.9051+129.1400/+29.9000+129.1545/+29.8970+129.1600/+29.8888+129.1800/+29.8858+129.2000/+29.8814+129.2200/+29.8800+129.2269/+29.8776+129.2400/+29.8721+129.2600/+29.8600+129.2772/+29.8585+129.2800/+29.8477+129.3000/+29.8400+129.3082/+29.8357+129.3200/+29.8313+129.3400/+29.8200+129.3536/+29.8167+129.3600/+29.8120+129.3800/+29.8048+129.4000/+29.8000+129.4087/+29.7967+129.4200/+29.7909+129.4400/+29.7800+129.4502/+29.7725+129.4600/+29.7600+129.4770/+29.7593+129.4800/+29.7561+129.5000/+29.7450+129.5200/+29.7400+129.5256/+29.7383+129.5400/+29.7339+129.5600/+29.7200+129.5750/+29.7194+129.5800/+29.7183+129.6000/+29.7096+129.6200/+29.7000+129.6303/+29.6997+129.6400/+29.6987+129.6600/+29.6800+129.6797/+29.6800+129.6800/+29.6799+129.7000/+29.6786+129.7200/+29.6600+129.7386/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6219+129.6400/+29.6400+129.6207/+29.6401+129.6200/+29.6406+129.6000/+29.6422+129.5800/+29.6500+129.5600/+29.6600+129.5471/+29.6608+129.5400/+29.6630+129.5200/+29.6687+129.5000/+29.6800+129.4838/+29.6808+129.4800/+29.6836+129.4600/+29.6921+129.4400/+29.7000+129.4285/+29.7023+129.4200/+29.7030+129.4000/+29.7078+129.3800/+29.7142+129.3600/+29.7200+129.3485/+29.7239+129.3400/+29.7350+129.3200/+29.7389+129.3000/+29.7400+129.2979/+29.7561+129.2800/+29.7600+129.2750/+29.7661+129.2600/+29.7766+129.2400/+29.7800+129.2242/+29.7814+129.2200/+29.8000+129.2006/+29.8007+129.2000/+29.8130+129.1800/+29.8200+129.1686/+29.8253+129.1600/+29.8374+129.1400/+29.8400+129.1361/+29.8600+129.1215/+29.8644+129.1200/+29.8800+129.1067/+29.8828+129.1000/+29.8933+129.0800/+29.9000+129.0644/+29.9096+129.0800/ 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/+29.6727+129.7000/+29.6600+129.7127/+29.6571+129.7200/+29.6400+129.7370/+29.6230+129.7200/+29.6212+129.7000/+29.6367+129.6800/+29.6400+129.6764/+29.6600+129.6733/+29.6649+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 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北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6640+129.6800/+29.6739+129.7000/+29.6600+129.7139/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6376+129.6800/+29.6400+129.6776/+29.6600+129.6743/+29.6640+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-20T00:00:00+09:00 2026-08-20T03:00:00+09:00 降灰 70 +29.9407+129.1400/+29.9400+129.1483/+29.9383+129.1600/+29.9351+129.1800/+29.9345+129.2000/+29.9279+129.2200/+29.9226+129.2400/+29.9200+129.2482/+29.9161+129.2600/+29.9042+129.2800/+29.9000+129.2893/+29.8973+129.3000/+29.8827+129.3200/+29.8800+129.3231/+29.8737+129.3400/+29.8664+129.3600/+29.8600+129.3783/+29.8593+129.3800/+29.8444+129.4000/+29.8400+129.4073/+29.8332+129.4200/+29.8200+129.4332/+29.8179+129.4400/+29.8134+129.4600/+29.8000+129.4727/+29.7941+129.4800/+29.7800+129.4968/+29.7790+129.5000/+29.7725+129.5200/+29.7600+129.5351/+29.7590+129.5400/+29.7532+129.5600/+29.7400+129.5745/+29.7391+129.5800/+29.7350+129.6000/+29.7200+129.6160/+29.7196+129.6200/+29.7164+129.6400/+29.7000+129.6567/+29.6998+129.6600/+29.6986+129.6800/+29.6800+129.6987/+29.6799+129.7000/+29.6791+129.7200/+29.6600+129.7391/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6201+129.6800/+29.6211+129.6600/+29.6400+129.6407/+29.6401+129.6400/+29.6409+129.6200/+29.6466+129.6000/+29.6600+129.5852/+29.6607+129.5800/+29.6636+129.5600/+29.6752+129.5400/+29.6800+129.5338/+29.6829+129.5200/+29.6935+129.5000/+29.7000+129.4916/+29.7030+129.4800/+29.7117+129.4600/+29.7200+129.4455/+29.7220+129.4400/+29.7268+129.4200/+29.7329+129.4000/+29.7400+129.3885/+29.7454+129.3800/+29.7600+129.3609/+29.7604+129.3600/+29.7691+129.3400/+29.7776+129.3200/+29.7800+129.3146/+29.7898+129.3000/+29.8000+129.2912/+29.8084+129.2800/+29.8171+129.2600/+29.8200+129.2552/+29.8301+129.2400/+29.8400+129.2230/+29.8437+129.2200/+29.8600+129.2050/+29.8640+129.2000/+29.8763+129.1800/+29.8800+129.1747/+29.8911+129.1600/+29.9000+129.1476/+29.9200+129.1476/+29.9381+129.1400/+29.9400+129.1371/+29.9407+129.1400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6646+129.6800/+29.6725+129.7000/+29.6600+129.7125/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6805/+29.6534+129.6800/+29.6600+129.6751/+29.6646+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-08-20T03:00:00+09:00 2026-08-20T06:00:00+09:00 降灰 70 +30.0104+129.1000/+30.0114+129.1200/+30.0120+129.1400/+30.0072+129.1600/+30.0000+129.1722/+29.9926+129.1800/+29.9866+129.2000/+29.9800+129.2140/+29.9774+129.2200/+29.9692+129.2400/+29.9600+129.2582/+29.9589+129.2600/+29.9453+129.2800/+29.9400+129.2895/+29.9369+129.3000/+29.9200+129.3189/+29.9193+129.3200/+29.9120+129.3400/+29.9031+129.3600/+29.9000+129.3670/+29.8903+129.3800/+29.8800+129.3874/+29.8737+129.4000/+29.8633+129.4200/+29.8600+129.4238/+29.8505+129.4400/+29.8400+129.4585/+29.8391+129.4600/+29.8200+129.4733/+29.8152+129.4800/+29.8000+129.4963/+29.7987+129.5000/+29.7896+129.5200/+29.7800+129.5302/+29.7775+129.5400/+29.7613+129.5600/+29.7600+129.5614/+29.7569+129.5800/+29.7400+129.5976/+29.7395+129.6000/+29.7350+129.6200/+29.7200+129.6358/+29.7196+129.6400/+29.7069+129.6600/+29.7000+129.6670/+29.6996+129.6800/+29.6800+129.6998/+29.6800+129.7000/+29.6793+129.7200/+29.6600+129.7393/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6394+129.6600/+29.6400+129.6594/+29.6407+129.6400/+29.6600+129.6201/+29.6600+129.6200/+29.6618+129.6000/+29.6800+129.5805/+29.6802+129.5800/+29.6835+129.5600/+29.7000+129.5414/+29.7005+129.5400/+29.7059+129.5200/+29.7200+129.5032/+29.7213+129.5000/+29.7297+129.4800/+29.7400+129.4674/+29.7435+129.4600/+29.7591+129.4400/+29.7600+129.4373/+29.7619+129.4200/+29.7699+129.4000/+29.7800+129.3868/+29.7855+129.3800/+29.7967+129.3600/+29.8000+129.3551/+29.8072+129.3400/+29.8192+129.3200/+29.8200+129.3183/+29.8340+129.3000/+29.8400+129.2957/+29.8524+129.2800/+29.8600+129.2645/+29.8635+129.2600/+29.8747+129.2400/+29.8800+129.2311/+29.8890+129.2200/+29.9000+129.2107/+29.9126+129.2000/+29.9200+129.1885/+29.9259+129.1800/+29.9400+129.1621/+29.9438+129.1600/+29.9600+129.1472/+29.9711+129.1400/+29.9800+129.1308/+29.9865+129.1200/+29.9935+129.1000/+30.0000+129.0920/+30.0104+129.1000/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +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+129.6810/+29.6600+129.6803/+29.6742+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-20T06:00:00+09:00 2026-08-20T09:00:00+09:00 降灰 70 +30.0015+129.1400/+30.0000+129.1478/+29.9970+129.1400/+30.0000+129.1342/+30.0015+129.1400/ +29.9737+129.1800/+29.9767+129.2000/+29.9679+129.2200/+29.9614+129.2400/+29.9600+129.2431/+29.9522+129.2600/+29.9419+129.2800/+29.9400+129.2842/+29.9361+129.3000/+29.9200+129.3176/+29.9185+129.3200/+29.9101+129.3400/+29.9000+129.3588/+29.8993+129.3600/+29.8841+129.3800/+29.8800+129.3830/+29.8711+129.4000/+29.8600+129.4180/+29.8591+129.4200/+29.8493+129.4400/+29.8400+129.4556/+29.8374+129.4600/+29.8200+129.4724/+29.8145+129.4800/+29.8000+129.4963/+29.7985+129.5000/+29.7893+129.5200/+29.7800+129.5299/+29.7771+129.5400/+29.7600+129.5590/+29.7597+129.5600/+29.7550+129.5800/+29.7400+129.5955/+29.7391+129.6000/+29.7315+129.6200/+29.7200+129.6321/+29.7192+129.6400/+29.7000+129.6599/+29.7000+129.6600/+29.6994+129.6800/+29.6800+129.6997/+29.6800+129.7000/+29.6793+129.7200/+29.6600+129.7393/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6259+129.6600/+29.6400+129.6459/+29.6404+129.6400/+29.6454+129.6200/+29.6600+129.6051/+29.6608+129.6000/+29.6664+129.5800/+29.6800+129.5653/+29.6813+129.5600/+29.6877+129.5400/+29.7000+129.5256/+29.7018+129.5200/+29.7095+129.5000/+29.7200+129.4875/+29.7236+129.4800/+29.7400+129.4600/+29.7449+129.4400/+29.7489+129.4200/+29.7600+129.4093/+29.7648+129.4000/+29.7778+129.3800/+29.7800+129.3761/+29.7886+129.3600/+29.8000+129.3428/+29.8018+129.3400/+29.8144+129.3200/+29.8200+129.3077/+29.8250+129.3000/+29.8400+129.2865/+29.8456+129.2800/+29.8580+129.2600/+29.8600+129.2568/+29.8726+129.2400/+29.8800+129.2299/+29.8897+129.2200/+29.9000+129.2119/+29.9200+129.2015/+29.9214+129.2000/+29.9378+129.1800/+29.9400+129.1773/+29.9600+129.1671/+29.9737+129.1800/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +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+129.6809/+29.6600+129.6806/+29.6742+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-20T09:00:00+09:00 2026-08-20T12:00:00+09:00 降灰 70 +30.0167+129.1400/+30.0148+129.1600/+30.0055+129.1800/+30.0000+129.1924/+29.9962+129.2000/+29.9824+129.2200/+29.9800+129.2248/+29.9740+129.2400/+29.9645+129.2600/+29.9600+129.2654/+29.9470+129.2800/+29.9400+129.2897/+29.9362+129.3000/+29.9200+129.3163/+29.9175+129.3200/+29.9106+129.3400/+29.9009+129.3600/+29.9000+129.3619/+29.8853+129.3800/+29.8800+129.3834/+29.8705+129.4000/+29.8600+129.4152/+29.8577+129.4200/+29.8471+129.4400/+29.8400+129.4516/+29.8339+129.4600/+29.8200+129.4692/+29.8098+129.4800/+29.8000+129.4905/+29.7973+129.5000/+29.7800+129.5197/+29.7799+129.5200/+29.7756+129.5400/+29.7600+129.5568/+29.7592+129.5600/+29.7523+129.5800/+29.7400+129.5925/+29.7390+129.6000/+29.7247+129.6200/+29.7200+129.6247/+29.7191+129.6400/+29.7000+129.6595/+29.6999+129.6600/+29.6994+129.6800/+29.6800+129.6995/+29.6800+129.7000/+29.6791+129.7200/+29.6600+129.7391/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6349+129.6600/+29.6400+129.6549/+29.6405+129.6400/+29.6564+129.6200/+29.6600+129.6164/+29.6613+129.6000/+29.6789+129.5800/+29.6800+129.5789/+29.6826+129.5600/+29.7000+129.5407/+29.7003+129.5400/+29.7046+129.5200/+29.7200+129.5024/+29.7210+129.5000/+29.7273+129.4800/+29.7400+129.4656/+29.7424+129.4600/+29.7555+129.4400/+29.7593+129.4200/+29.7600+129.4194/+29.7675+129.4000/+29.7800+129.3839/+29.7832+129.3800/+29.7928+129.3600/+29.8000+129.3493/+29.8051+129.3400/+29.8196+129.3200/+29.8200+129.3192/+29.8358+129.3000/+29.8400+129.2973/+29.8544+129.2800/+29.8600+129.2685/+29.8667+129.2600/+29.8790+129.2400/+29.8800+129.2384/+29.8982+129.2200/+29.9000+129.2188/+29.9200+129.2019/+29.9212+129.2000/+29.9344+129.1800/+29.9400+129.1735/+29.9600+129.1612/+29.9627+129.1600/+29.9800+129.1452/+29.9833+129.1400/+30.0000+129.1235/+30.0167+129.1400/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6628+129.6800/+29.6734+129.7000/+29.6600+129.7134/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6578+129.6800/+29.6600+129.6769/+29.6628+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２１時から２４時までは火口から北西方向、２０日０９時から１２時までは火口から北西方向に降灰が予想されます。 　１９日１８時から２０日１２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　　　　　 　２０日００時から０３時まで　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　２０日０３時から０６時まで　北西　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　２０日０６時から０９時まで　北西　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　２０日０９時から１２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。