2026-10-03T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-03T14:00:00+09:00 2026-10-03T15:00:00+09:00 2026-10-04T09:00:00+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、３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 2026-10-03T15:00:00+09:00 2026-10-03T18:00:00+09:00 降灰 70 +29.6612+129.2800/+29.6600+129.2844/+29.6569+129.3000/+29.6584+129.3200/+29.6596+129.3400/+29.6600+129.3442/+29.6623+129.3600/+29.6654+129.3800/+29.6684+129.4000/+29.6600+129.4096/+29.6570+129.4200/+29.6572+129.4400/+29.6582+129.4600/+29.6585+129.4800/+29.6590+129.5000/+29.6590+129.5200/+29.6593+129.5400/+29.6595+129.5600/+29.6597+129.5800/+29.6598+129.6000/+29.6599+129.6200/+29.6600+129.6400/+29.6600+129.6569/+29.6613+129.6600/+29.6722+129.6800/+29.6780+129.7000/+29.6723+129.7200/+29.6600+129.7323/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7189/+29.6012+129.7000/+29.6003+129.6800/+29.6003+129.6600/+29.6003+129.6400/+29.6003+129.6200/+29.6004+129.6000/+29.6004+129.5800/+29.6003+129.5600/+29.6000+129.5440/+29.5978+129.5400/+29.5906+129.5200/+29.5876+129.5000/+29.5863+129.4800/+29.5849+129.4600/+29.5843+129.4400/+29.5840+129.4200/+29.5817+129.4000/+29.5814+129.3800/+29.5806+129.3600/+29.5801+129.3400/+29.5801+129.3200/+29.5800+129.3196/+29.5687+129.3000/+29.5681+129.2800/+29.5681+129.2600/+29.5681+129.2400/+29.5691+129.2200/+29.5687+129.2000/+29.5732+129.1800/+29.5795+129.1600/+29.5800+129.1584/+29.5860+129.1400/+29.5912+129.1200/+29.5981+129.1000/+29.6000+129.0945/+29.6027+129.1000/+29.6132+129.1200/+29.6200+129.1355/+29.6218+129.1400/+29.6311+129.1600/+29.6386+129.1800/+29.6400+129.1825/+29.6467+129.2000/+29.6514+129.2200/+29.6550+129.2400/+29.6585+129.2600/+29.6600+129.2705/+29.6612+129.2800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6447+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6353+129.6800/+29.6400+129.6737/+29.6447+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-03T18:00:00+09:00 2026-10-03T21:00:00+09:00 降灰 70 +29.7026+129.0600/+29.7060+129.0800/+29.7089+129.1000/+29.7097+129.1200/+29.7104+129.1400/+29.7108+129.1600/+29.7110+129.1800/+29.7120+129.2000/+29.7066+129.2200/+29.7067+129.2400/+29.7072+129.2600/+29.7076+129.2800/+29.7075+129.3000/+29.7000+129.3093/+29.6959+129.3200/+29.6950+129.3400/+29.6948+129.3600/+29.6950+129.3800/+29.6946+129.4000/+29.6800+129.4171/+29.6791+129.4200/+29.6786+129.4400/+29.6785+129.4600/+29.6782+129.4800/+29.6784+129.5000/+29.6782+129.5200/+29.6784+129.5400/+29.6784+129.5600/+29.6784+129.5800/+29.6785+129.6000/+29.6787+129.6200/+29.6789+129.6400/+29.6792+129.6600/+29.6795+129.6800/+29.6795+129.7000/+29.6761+129.7200/+29.6600+129.7361/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6901/+29.6108+129.6800/+29.6049+129.6600/+29.6043+129.6400/+29.6051+129.6200/+29.6060+129.6000/+29.6077+129.5800/+29.6103+129.5600/+29.6122+129.5400/+29.6149+129.5200/+29.6186+129.5000/+29.6200+129.4898/+29.6201+129.4800/+29.6202+129.4600/+29.6207+129.4400/+29.6209+129.4200/+29.6200+129.4158/+29.6068+129.4000/+29.6081+129.3800/+29.6099+129.3600/+29.6119+129.3400/+29.6141+129.3200/+29.6172+129.3000/+29.6154+129.2800/+29.6187+129.2600/+29.6200+129.2537/+29.6236+129.2400/+29.6280+129.2200/+29.6343+129.2000/+29.6331+129.1800/+29.6393+129.1600/+29.6400+129.1576/+29.6508+129.1400/+29.6600+129.1215/+29.6616+129.1200/+29.6763+129.1000/+29.6800+129.0930/+29.6864+129.0800/+29.6950+129.0600/+29.7000+129.0510/+29.7026+129.0600/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6414+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6386+129.6800/+29.6400+129.6780/+29.6414+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-03T21:00:00+09:00 2026-10-04T00:00:00+09:00 降灰 70 +29.7469+129.1400/+29.7476+129.1600/+29.7444+129.1800/+29.7424+129.2000/+29.7444+129.2200/+29.7436+129.2400/+29.7428+129.2600/+29.7421+129.2800/+29.7400+129.2971/+29.7396+129.3000/+29.7308+129.3200/+29.7293+129.3400/+29.7268+129.3600/+29.7219+129.3800/+29.7200+129.3896/+29.7187+129.4000/+29.7028+129.4200/+29.7000+129.4248/+29.6988+129.4400/+29.6978+129.4600/+29.6969+129.4800/+29.6953+129.5000/+29.6928+129.5200/+29.6856+129.5400/+29.6800+129.5492/+29.6798+129.5600/+29.6796+129.5800/+29.6796+129.6000/+29.6796+129.6200/+29.6796+129.6400/+29.6797+129.6600/+29.6798+129.6800/+29.6797+129.7000/+29.6771+129.7200/+29.6600+129.7371/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6600/+29.6201+129.6400/+29.6201+129.6200/+29.6202+129.6000/+29.6204+129.5800/+29.6206+129.5600/+29.6210+129.5400/+29.6216+129.5200/+29.6224+129.5000/+29.6238+129.4800/+29.6260+129.4600/+29.6305+129.4400/+29.6387+129.4200/+29.6297+129.4000/+29.6379+129.3800/+29.6400+129.3761/+29.6418+129.3600/+29.6442+129.3400/+29.6469+129.3200/+29.6497+129.3000/+29.6518+129.2800/+29.6553+129.2600/+29.6600+129.2412/+29.6604+129.2400/+29.6664+129.2200/+29.6761+129.2000/+29.6800+129.1866/+29.6821+129.1800/+29.6903+129.1600/+29.7000+129.1419/+29.7115+129.1400/+29.7200+129.1376/+29.7400+129.1247/+29.7469+129.1400/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6413+129.6800/+29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6387+129.6800/+29.6400+129.6782/+29.6413+129.6800/ 西 3 鹿児島県十島村 4630400 2026-10-04T00:00:00+09:00 2026-10-04T03:00:00+09:00 降灰 70 +29.7223+129.1800/+29.7243+129.2000/+29.7222+129.2200/+29.7202+129.2400/+29.7200+129.2405/+29.7174+129.2600/+29.7157+129.2800/+29.7142+129.3000/+29.7118+129.3200/+29.7080+129.3400/+29.7014+129.3600/+29.7000+129.3628/+29.6985+129.3800/+29.6978+129.4000/+29.6941+129.4200/+29.6929+129.4400/+29.6881+129.4600/+29.6831+129.4800/+29.6800+129.4863/+29.6796+129.5000/+29.6792+129.5200/+29.6791+129.5400/+29.6791+129.5600/+29.6791+129.5800/+29.6792+129.6000/+29.6792+129.6200/+29.6794+129.6400/+29.6795+129.6600/+29.6797+129.6800/+29.6797+129.7000/+29.6771+129.7200/+29.6600+129.7371/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6200+129.6665/+29.6165+129.6600/+29.6146+129.6400/+29.6156+129.6200/+29.6200+129.6016/+29.6200+129.6000/+29.6201+129.5800/+29.6201+129.5600/+29.6203+129.5400/+29.6205+129.5200/+29.6208+129.5000/+29.6212+129.4800/+29.6216+129.4600/+29.6224+129.4400/+29.6235+129.4200/+29.6200+129.4078/+29.6129+129.4000/+29.6160+129.3800/+29.6200+129.3654/+29.6211+129.3600/+29.6254+129.3400/+29.6306+129.3200/+29.6352+129.3000/+29.6353+129.2800/+29.6400+129.2677/+29.6417+129.2600/+29.6464+129.2400/+29.6512+129.2200/+29.6572+129.2000/+29.6600+129.1925/+29.6693+129.1800/+29.6766+129.1600/+29.6800+129.1500/+29.6834+129.1400/+29.6894+129.1200/+29.6956+129.1000/+29.7000+129.0904/+29.7075+129.1000/+29.7133+129.1200/+29.7167+129.1400/+29.7196+129.1600/+29.7200+129.1623/+29.7223+129.1800/ 西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6802/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-04T03:00:00+09:00 2026-10-04T06:00:00+09:00 降灰 70 +29.6804+129.3800/+29.6806+129.4000/+29.6800+129.4007/+29.6746+129.4200/+29.6750+129.4400/+29.6744+129.4600/+29.6743+129.4800/+29.6749+129.5000/+29.6743+129.5200/+29.6744+129.5400/+29.6741+129.5600/+29.6743+129.5800/+29.6750+129.6000/+29.6755+129.6200/+29.6766+129.6400/+29.6778+129.6600/+29.6790+129.6800/+29.6795+129.7000/+29.6774+129.7200/+29.6600+129.7374/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7184/+29.6024+129.7000/+29.6007+129.6800/+29.6006+129.6600/+29.6007+129.6400/+29.6008+129.6200/+29.6009+129.6000/+29.6009+129.5800/+29.6007+129.5600/+29.6004+129.5400/+29.6003+129.5200/+29.6000+129.5084/+29.5977+129.5000/+29.5931+129.4800/+29.5919+129.4600/+29.5901+129.4400/+29.5931+129.4200/+29.5879+129.4000/+29.5882+129.3800/+29.5899+129.3600/+29.5927+129.3400/+29.5975+129.3200/+29.6000+129.3073/+29.6018+129.3000/+29.6106+129.2800/+29.6185+129.2600/+29.6200+129.2563/+29.6272+129.2400/+29.6315+129.2200/+29.6359+129.2000/+29.6400+129.1958/+29.6460+129.2000/+29.6498+129.2200/+29.6523+129.2400/+29.6590+129.2600/+29.6600+129.2633/+29.6643+129.2800/+29.6714+129.3000/+29.6754+129.3200/+29.6771+129.3400/+29.6788+129.3600/+29.6800+129.3755/+29.6804+129.3800/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6805/+29.6588+129.7000/ 南西 1 鹿児島県十島村 4630400 2026-10-04T06:00:00+09:00 2026-10-04T09:00:00+09:00 降灰 70 +29.6632+129.3400/+29.6661+129.3600/+29.6686+129.3800/+29.6706+129.4000/+29.6641+129.4200/+29.6625+129.4400/+29.6605+129.4600/+29.6600+129.4632/+29.6596+129.4800/+29.6591+129.5000/+29.6591+129.5200/+29.6593+129.5400/+29.6593+129.5600/+29.6595+129.5800/+29.6596+129.6000/+29.6598+129.6200/+29.6599+129.6400/+29.6599+129.6600/+29.6600+129.6800/+29.6600+129.6805/+29.6785+129.7000/+29.6768+129.7200/+29.6600+129.7368/+29.6400+129.7399/+29.6200+129.7200/+29.6200+129.7199/+29.6005+129.7000/+29.6002+129.6800/+29.6002+129.6600/+29.6003+129.6400/+29.6003+129.6200/+29.6001+129.6000/+29.6000+129.5963/+29.5920+129.5800/+29.5892+129.5600/+29.5868+129.5400/+29.5853+129.5200/+29.5849+129.5000/+29.5843+129.4800/+29.5837+129.4600/+29.5832+129.4400/+29.5821+129.4200/+29.5822+129.4000/+29.5828+129.3800/+29.5829+129.3600/+29.5847+129.3400/+29.5893+129.3200/+29.5895+129.3000/+29.5938+129.2800/+29.6000+129.2637/+29.6083+129.2600/+29.6200+129.2537/+29.6382+129.2400/+29.6400+129.2388/+29.6406+129.2400/+29.6463+129.2600/+29.6509+129.2800/+29.6558+129.3000/+29.6599+129.3200/+29.6600+129.3207/+29.6632+129.3400/ 西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6588+129.7000/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6806/+29.6588+129.7000/ 南西 1 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、３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。 　３日１５時から４日９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 　０３日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０３日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日００時から０３時まで　西　　　　　　　６０ｋｍ　　１ｋｍ　　　　　 　０４日０３時から０６時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　０４日０６時から０９時まで　西　　　　　　　５０ｋｍ　　１ｋｍ　　　　　 　 　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。