2026-10-10T08:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T17:00:00+09:00 2026-10-10T18:00:00+09:00 2026-10-11T12:00:00+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、１０日２１時から２４時までは火口から北西方向、１１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 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +30.0017+129.1000/+30.0000+129.1045/+29.9923+129.1000/+30.0000+129.0931/+30.0017+129.1000/ +29.9829+129.1400/+29.9800+129.1490/+29.9776+129.1600/+29.9693+129.1800/+29.9636+129.2000/+29.9600+129.2056/+29.9477+129.2200/+29.9400+129.2307/+29.9355+129.2400/+29.9288+129.2600/+29.9220+129.2800/+29.9200+129.2856/+29.9147+129.3000/+29.9019+129.3200/+29.9000+129.3243/+29.8903+129.3400/+29.8800+129.3498/+29.8756+129.3600/+29.8695+129.3800/+29.8600+129.3919/+29.8544+129.4000/+29.8448+129.4200/+29.8400+129.4271/+29.8315+129.4400/+29.8200+129.4532/+29.8179+129.4600/+29.8000+129.4783/+29.7991+129.4800/+29.7911+129.5000/+29.7800+129.5137/+29.7781+129.5200/+29.7662+129.5400/+29.7600+129.5464/+29.7572+129.5600/+29.7400+129.5795/+29.7399+129.5800/+29.7368+129.6000/+29.7200+129.6180/+29.7197+129.6200/+29.7172+129.6400/+29.7000+129.6573/+29.6998+129.6600/+29.6981+129.6800/+29.6800+129.6988/+29.6800+129.7000/+29.6786+129.7200/+29.6600+129.7386/+29.6400+129.7395/+29.6205+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6208+129.6600/+29.6400+129.6407/+29.6401+129.6400/+29.6407+129.6200/+29.6454+129.6000/+29.6600+129.5851/+29.6607+129.5800/+29.6630+129.5600/+29.6800+129.5403/+29.6801+129.5400/+29.6827+129.5200/+29.6905+129.5000/+29.7000+129.4876/+29.7018+129.4800/+29.7075+129.4600/+29.7200+129.4409/+29.7203+129.4400/+29.7260+129.4200/+29.7291+129.4000/+29.7400+129.3843/+29.7429+129.3800/+29.7563+129.3600/+29.7600+129.3559/+29.7686+129.3400/+29.7786+129.3200/+29.7800+129.3169/+29.7907+129.3000/+29.8000+129.2908/+29.8089+129.2800/+29.8200+129.2601/+29.8201+129.2600/+29.8339+129.2400/+29.8400+129.2290/+29.8489+129.2200/+29.8600+129.2089/+29.8675+129.2000/+29.8800+129.1801/+29.8801+129.1800/+29.8952+129.1600/+29.9000+129.1540/+29.9174+129.1400/+29.9200+129.1377/+29.9398+129.1200/+29.9400+129.1198/+29.9600+129.1114/+29.9792+129.1200/+29.9800+129.1219/+29.9829+129.1400/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6694+129.6800/+29.6756+129.7000/+29.6600+129.7156/+29.6400+129.7188/+29.6212+129.7000/+29.6400+129.6800/+29.6414+129.6800/+29.6600+129.6718/+29.6694+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+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 +29.6655+129.6800/+29.6761+129.7000/+29.6600+129.7161/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6802/+29.6471+129.6800/+29.6600+129.6740/+29.6655+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +30.0154+129.2000/+30.0097+129.2200/+30.0061+129.2400/+30.0000+129.2530/+29.9965+129.2600/+29.9855+129.2800/+29.9800+129.3000/+29.9679+129.3200/+29.9600+129.3301/+29.9538+129.3400/+29.9406+129.3600/+29.9400+129.3610/+29.9232+129.3800/+29.9200+129.3822/+29.9097+129.4000/+29.9000+129.4190/+29.8991+129.4200/+29.8800+129.4312/+29.8750+129.4400/+29.8652+129.4600/+29.8600+129.4672/+29.8527+129.4800/+29.8400+129.4944/+29.8283+129.5000/+29.8200+129.5043/+29.8127+129.5200/+29.8000+129.5342/+29.7967+129.5400/+29.7800+129.5585/+29.7793+129.5600/+29.7650+129.5800/+29.7600+129.5850/+29.7553+129.6000/+29.7400+129.6157/+29.7387+129.6200/+29.7200+129.6394/+29.7199+129.6400/+29.7157+129.6600/+29.7000+129.6757/+29.6997+129.6800/+29.6800+129.6998/+29.6800+129.7000/+29.6792+129.7200/+29.6600+129.7392/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6400+129.6602/+29.6401+129.6600/+29.6412+129.6400/+29.6600+129.6211/+29.6604+129.6200/+29.6645+129.6000/+29.6800+129.5843/+29.6811+129.5800/+29.6956+129.5600/+29.7000+129.5555/+29.7033+129.5400/+29.7200+129.5216/+29.7207+129.5200/+29.7282+129.5000/+29.7400+129.4874/+29.7429+129.4800/+29.7600+129.4606/+29.7605+129.4600/+29.7650+129.4400/+29.7703+129.4200/+29.7800+129.4068/+29.7862+129.4000/+29.8000+129.3842/+29.8041+129.3800/+29.8200+129.3618/+29.8213+129.3600/+29.8266+129.3400/+29.8400+129.3304/+29.8512+129.3200/+29.8600+129.3052/+29.8646+129.3000/+29.8800+129.2887/+29.8897+129.2800/+29.9000+129.2647/+29.9081+129.2600/+29.9200+129.2491/+29.9284+129.2400/+29.9400+129.2291/+29.9600+129.2200/+29.9602+129.2200/+29.9800+129.2125/+29.9881+129.2000/+30.0000+129.1861/+30.0154+129.2000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6755+129.7000/+29.6600+129.7155/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6801/+29.6755+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +30.0225+129.2000/+30.0200+129.2043/+30.0122+129.2200/+30.0041+129.2400/+30.0000+129.2463/+29.9910+129.2600/+29.9800+129.2788/+29.9795+129.2800/+29.9731+129.3000/+29.9600+129.3199/+29.9599+129.3200/+29.9484+129.3400/+29.9400+129.3513/+29.9340+129.3600/+29.9200+129.3767/+29.9183+129.3800/+29.9084+129.4000/+29.9000+129.4164/+29.8963+129.4200/+29.8800+129.4294/+29.8748+129.4400/+29.8650+129.4600/+29.8600+129.4668/+29.8530+129.4800/+29.8400+129.4945/+29.8261+129.5000/+29.8200+129.5032/+29.8118+129.5200/+29.8000+129.5334/+29.7968+129.5400/+29.7800+129.5579/+29.7792+129.5600/+29.7656+129.5800/+29.7600+129.5856/+29.7559+129.6000/+29.7400+129.6166/+29.7390+129.6200/+29.7200+129.6397/+29.7199+129.6400/+29.7169+129.6600/+29.7000+129.6769/+29.6997+129.6800/+29.6800+129.6999/+29.6800+129.7000/+29.6793+129.7200/+29.6600+129.7392/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6202+129.6800/+29.6400+129.6602/+29.6401+129.6600/+29.6417+129.6400/+29.6600+129.6216/+29.6605+129.6200/+29.6677+129.6000/+29.6800+129.5876/+29.6816+129.5800/+29.7000+129.5606/+29.7003+129.5600/+29.7041+129.5400/+29.7200+129.5231/+29.7216+129.5200/+29.7318+129.5000/+29.7400+129.4911/+29.7442+129.4800/+29.7600+129.4616/+29.7610+129.4600/+29.7666+129.4400/+29.7736+129.4200/+29.7800+129.4111/+29.7875+129.4000/+29.8000+129.3842/+29.8036+129.3800/+29.8200+129.3616/+29.8215+129.3600/+29.8284+129.3400/+29.8400+129.3312/+29.8495+129.3200/+29.8600+129.3015/+29.8613+129.3000/+29.8800+129.2859/+29.8864+129.2800/+29.9000+129.2613/+29.9033+129.2600/+29.9200+129.2473/+29.9267+129.2400/+29.9400+129.2250/+29.9492+129.2200/+29.9600+129.2125/+29.9754+129.2000/+29.9800+129.1954/+29.9933+129.1800/+30.0000+129.1709/+30.0115+129.1800/+30.0200+129.1935/+30.0225+129.2000/ 北西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6740+129.7000/+29.6600+129.7140/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6805/+29.6740+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +30.0336+129.2400/+30.0328+129.2600/+30.0250+129.2800/+30.0213+129.3000/+30.0200+129.3021/+30.0061+129.3200/+30.0000+129.3259/+29.9922+129.3400/+29.9843+129.3600/+29.9800+129.3659/+29.9657+129.3800/+29.9600+129.3842/+29.9493+129.4000/+29.9400+129.4147/+29.9346+129.4200/+29.9200+129.4289/+29.9101+129.4400/+29.9000+129.4533/+29.8944+129.4600/+29.8800+129.4726/+29.8761+129.4800/+29.8600+129.4985/+29.8591+129.5000/+29.8400+129.5162/+29.8354+129.5200/+29.8200+129.5367/+29.8177+129.5400/+29.8000+129.5570/+29.7982+129.5600/+29.7800+129.5795/+29.7797+129.5800/+29.7643+129.6000/+29.7600+129.6044/+29.7536+129.6200/+29.7400+129.6336/+29.7378+129.6400/+29.7200+129.6578/+29.7195+129.6600/+29.7000+129.6796/+29.6999+129.6800/+29.6949+129.7000/+29.6800+129.7149/+29.6795+129.7200/+29.6600+129.7394/+29.6400+129.7398/+29.6202+129.7200/+29.6201+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6402+129.6600/+29.6600+129.6401/+29.6601+129.6400/+29.6646+129.6200/+29.6800+129.6046/+29.6818+129.6000/+29.7000+129.5816/+29.7009+129.5800/+29.7200+129.5600/+29.7271+129.5400/+29.7400+129.5269/+29.7439+129.5200/+29.7600+129.5029/+29.7621+129.5000/+29.7800+129.4801/+29.7801+129.4800/+29.7853+129.4600/+29.7971+129.4400/+29.8000+129.4357/+29.8136+129.4200/+29.8200+129.4151/+29.8303+129.4000/+29.8400+129.3889/+29.8480+129.3800/+29.8600+129.3634/+29.8652+129.3600/+29.8800+129.3449/+29.8841+129.3400/+29.9000+129.3222/+29.9021+129.3200/+29.9200+129.3016/+29.9222+129.3000/+29.9383+129.2800/+29.9400+129.2786/+29.9600+129.2686/+29.9755+129.2600/+29.9800+129.2556/+29.9931+129.2400/+30.0000+129.2337/+30.0200+129.2357/+30.0336+129.2400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6734+129.7000/+29.6727+129.7200/+29.6600+129.7327/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6825/+29.6734+129.7000/ 北 2 鹿児島県十島村 4630400 2026-10-11T09:00:00+09:00 2026-10-11T12:00:00+09:00 降灰 70 +30.0469+129.3000/+30.0400+129.3066/+30.0271+129.3200/+30.0200+129.3334/+30.0175+129.3400/+30.0057+129.3600/+30.0000+129.3654/+29.9916+129.3800/+29.9800+129.3978/+29.9787+129.4000/+29.9600+129.4191/+29.9592+129.4200/+29.9422+129.4400/+29.9400+129.4433/+29.9206+129.4600/+29.9200+129.4604/+29.9041+129.4800/+29.9000+129.4837/+29.8800+129.4981/+29.8787+129.5000/+29.8670+129.5200/+29.8600+129.5256/+29.8400+129.5377/+29.8378+129.5400/+29.8200+129.5567/+29.8181+129.5600/+29.8000+129.5792/+29.7993+129.5800/+29.7800+129.5988/+29.7792+129.6000/+29.7600+129.6185/+29.7590+129.6200/+29.7400+129.6395/+29.7397+129.6400/+29.7200+129.6598/+29.7199+129.6600/+29.7074+129.6800/+29.7000+129.6875/+29.6973+129.7000/+29.6800+129.7173/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7398/+29.6202+129.7200/+29.6200+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6403+129.6600/+29.6600+129.6402/+29.6602+129.6400/+29.6677+129.6200/+29.6800+129.6077/+29.6827+129.6000/+29.7000+129.5825/+29.7015+129.5800/+29.7200+129.5610/+29.7208+129.5600/+29.7340+129.5400/+29.7400+129.5339/+29.7467+129.5200/+29.7600+129.5063/+29.7655+129.5000/+29.7800+129.4845/+29.7837+129.4800/+29.7895+129.4600/+29.8000+129.4455/+29.8077+129.4400/+29.8200+129.4273/+29.8253+129.4200/+29.8400+129.4038/+29.8450+129.4000/+29.8589+129.3800/+29.8600+129.3785/+29.8800+129.3654/+29.8885+129.3600/+29.9000+129.3453/+29.9060+129.3400/+29.9200+129.3309/+29.9355+129.3200/+29.9400+129.3150/+29.9600+129.3057/+29.9710+129.3000/+29.9800+129.2928/+29.9950+129.2800/+30.0000+129.2754/+30.0200+129.2773/+30.0329+129.2800/+30.0400+129.2831/+30.0469+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6723+129.7000/+29.6730+129.7200/+29.6600+129.7330/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6843/+29.6723+129.7000/ 北 2 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、１０日２１時から２４時までは火口から北西方向、１１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。 　１０日１８時から１１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 　１０日１８時から２１時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日２１時から２４時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１１日００時から０３時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　７０ｋｍ　　２ｋｍ　　　　　 　１１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　１１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　 　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。