2026-08-21T20:00:00Z 通常 気象庁本庁 気象庁 2026-08-22T05:00:00+09:00 2026-08-22T06:00:00+09:00 2026-08-23T00:00:00+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、２２日０９時から１２時までは火口から北西方向、２２日２１時から２４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 2026-08-22T06:00:00+09:00 2026-08-22T09:00:00+09:00 降灰 70 +30.0209+129.2600/+30.0200+129.2619/+30.0137+129.2800/+30.0094+129.3000/+30.0000+129.3103/+29.9889+129.3200/+29.9800+129.3356/+29.9784+129.3400/+29.9619+129.3600/+29.9600+129.3613/+29.9502+129.3800/+29.9400+129.3968/+29.9379+129.4000/+29.9200+129.4186/+29.9192+129.4200/+29.9020+129.4400/+29.9000+129.4428/+29.8850+129.4600/+29.8800+129.4641/+29.8721+129.4800/+29.8600+129.4931/+29.8550+129.5000/+29.8400+129.5128/+29.8276+129.5200/+29.8200+129.5280/+29.8132+129.5400/+29.8000+129.5534/+29.7971+129.5600/+29.7800+129.5774/+29.7787+129.5800/+29.7600+129.5999/+29.7599+129.6000/+29.7524+129.6200/+29.7400+129.6324/+29.7378+129.6400/+29.7200+129.6579/+29.7195+129.6600/+29.7000+129.6797/+29.6999+129.6800/+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+129.6400/+29.6638+129.6200/+29.6800+129.6036/+29.6816+129.6000/+29.7000+129.5807/+29.7005+129.5800/+29.7117+129.5600/+29.7200+129.5513/+29.7253+129.5400/+29.7400+129.5247/+29.7431+129.5200/+29.7600+129.5006/+29.7605+129.5000/+29.7736+129.4800/+29.7800+129.4727/+29.7849+129.4600/+29.7951+129.4400/+29.8000+129.4329/+29.8115+129.4200/+29.8200+129.4134/+29.8304+129.4000/+29.8400+129.3894/+29.8479+129.3800/+29.8600+129.3619/+29.8623+129.3600/+29.8800+129.3413/+29.8817+129.3400/+29.9000+129.3251/+29.9059+129.3200/+29.9200+129.3059/+29.9277+129.3000/+29.9400+129.2844/+29.9482+129.2800/+29.9600+129.2731/+29.9791+129.2600/+29.9800+129.2590/+29.9942+129.2400/+30.0000+129.2353/+30.0148+129.2400/+30.0200+129.2546/+30.0209+129.2600/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6727+129.7000/+29.6600+129.7127/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6213+129.7000/+29.6400+129.6813/+29.6600+129.6842/+29.6727+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T09:00:00+09:00 2026-08-22T12:00:00+09:00 降灰 70 +30.0289+129.3000/+30.0200+129.3128/+30.0159+129.3200/+30.0070+129.3400/+30.0000+129.3497/+29.9945+129.3600/+29.9815+129.3800/+29.9800+129.3815/+29.9600+129.3992/+29.9595+129.4000/+29.9487+129.4200/+29.9400+129.4306/+29.9292+129.4400/+29.9200+129.4471/+29.9096+129.4600/+29.9000+129.4700/+29.8894+129.4800/+29.8800+129.4865/+29.8701+129.5000/+29.8600+129.5145/+29.8400+129.5190/+29.8392+129.5200/+29.8232+129.5400/+29.8200+129.5432/+29.8084+129.5600/+29.8000+129.5685/+29.7916+129.5800/+29.7800+129.5915/+29.7754+129.6000/+29.7600+129.6155/+29.7574+129.6200/+29.7400+129.6375/+29.7389+129.6400/+29.7200+129.6591/+29.7197+129.6600/+29.7013+129.6800/+29.7000+129.6813/+29.6981+129.7000/+29.6800+129.7181/+29.6797+129.7200/+29.6600+129.7397/+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/+29.6674+129.6200/+29.6800+129.6073/+29.6833+129.6000/+29.7000+129.5827/+29.7018+129.5800/+29.7200+129.5605/+29.7204+129.5600/+29.7332+129.5400/+29.7400+129.5328/+29.7508+129.5200/+29.7600+129.5099/+29.7662+129.5000/+29.7800+129.4854/+29.7846+129.4800/+29.7914+129.4600/+29.8000+129.4490/+29.8170+129.4400/+29.8200+129.4368/+29.8302+129.4200/+29.8400+129.4090/+29.8511+129.4000/+29.8600+129.3861/+29.8653+129.3800/+29.8800+129.3710/+29.8950+129.3600/+29.9000+129.3522/+29.9119+129.3400/+29.9200+129.3346/+29.9389+129.3200/+29.9400+129.3188/+29.9600+129.3110/+29.9774+129.3000/+29.9800+129.2975/+30.0000+129.2806/+30.0200+129.2887/+30.0289+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6720+129.7000/+29.6600+129.7120/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6851/+29.6720+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T12:00:00+09:00 2026-08-22T15:00:00+09:00 降灰 70 +30.0091+129.3000/+30.0000+129.3139/+29.9934+129.3200/+29.9876+129.3400/+29.9808+129.3600/+29.9800+129.3611/+29.9662+129.3800/+29.9600+129.3856/+29.9528+129.4000/+29.9406+129.4200/+29.9400+129.4207/+29.9200+129.4361/+29.9172+129.4400/+29.9011+129.4600/+29.9000+129.4612/+29.8805+129.4800/+29.8800+129.4804/+29.8634+129.5000/+29.8600+129.5050/+29.8400+129.5176/+29.8380+129.5200/+29.8200+129.5388/+29.8192+129.5400/+29.8000+129.5595/+29.7997+129.5600/+29.7848+129.5800/+29.7800+129.5849/+29.7708+129.6000/+29.7600+129.6108/+29.7560+129.6200/+29.7400+129.6361/+29.7383+129.6400/+29.7200+129.6585/+29.7195+129.6600/+29.7000+129.6799/+29.7000+129.6800/+29.6971+129.7000/+29.6800+129.7171/+29.6797+129.7200/+29.6600+129.7397/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6205+129.6800/+29.6400+129.6605/+29.6403+129.6600/+29.6600+129.6401/+29.6601+129.6400/+29.6649+129.6200/+29.6800+129.6048/+29.6821+129.6000/+29.7000+129.5810/+29.7007+129.5800/+29.7158+129.5600/+29.7200+129.5555/+29.7276+129.5400/+29.7400+129.5264/+29.7442+129.5200/+29.7600+129.5021/+29.7616+129.5000/+29.7796+129.4800/+29.7800+129.4796/+29.7879+129.4600/+29.8000+129.4429/+29.8043+129.4400/+29.8200+129.4238/+29.8229+129.4200/+29.8400+129.4004/+29.8405+129.4000/+29.8564+129.3800/+29.8600+129.3750/+29.8800+129.3614/+29.8823+129.3600/+29.8990+129.3400/+29.9000+129.3390/+29.9200+129.3234/+29.9269+129.3200/+29.9400+129.3086/+29.9564+129.3000/+29.9600+129.2980/+29.9800+129.2943/+30.0000+129.2884/+30.0091+129.3000/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6708+129.7000/+29.6600+129.7108/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6865/+29.6708+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T15:00:00+09:00 2026-08-22T18:00:00+09:00 降灰 70 +29.9710+129.3000/+29.9651+129.3200/+29.9603+129.3400/+29.9600+129.3404/+29.9499+129.3600/+29.9400+129.3771/+29.9381+129.3800/+29.9223+129.4000/+29.9200+129.4025/+29.9102+129.4200/+29.9000+129.4307/+29.8915+129.4400/+29.8800+129.4520/+29.8755+129.4600/+29.8630+129.4800/+29.8600+129.4833/+29.8485+129.5000/+29.8400+129.5076/+29.8213+129.5200/+29.8200+129.5212/+29.8063+129.5400/+29.8000+129.5466/+29.7937+129.5600/+29.7800+129.5743/+29.7766+129.5800/+29.7600+129.5974/+29.7588+129.6000/+29.7403+129.6200/+29.7400+129.6203/+29.7340+129.6400/+29.7200+129.6540/+29.7186+129.6600/+29.7000+129.6788/+29.6998+129.6800/+29.6910+129.7000/+29.6800+129.7110/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6203+129.6800/+29.6400+129.6603/+29.6402+129.6600/+29.6440+129.6400/+29.6600+129.6239/+29.6612+129.6200/+29.6800+129.6001/+29.6800+129.6000/+29.6841+129.5800/+29.7000+129.5630/+29.7016+129.5600/+29.7156+129.5400/+29.7200+129.5355/+29.7264+129.5200/+29.7400+129.5042/+29.7426+129.5000/+29.7567+129.4800/+29.7600+129.4763/+29.7698+129.4600/+29.7777+129.4400/+29.7800+129.4363/+29.7925+129.4200/+29.8000+129.4119/+29.8123+129.4000/+29.8200+129.3930/+29.8302+129.3800/+29.8400+129.3678/+29.8490+129.3600/+29.8600+129.3432/+29.8629+129.3400/+29.8800+129.3268/+29.8908+129.3200/+29.9000+129.3086/+29.9168+129.3000/+29.9200+129.2979/+29.9400+129.2838/+29.9600+129.2841/+29.9710+129.3000/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6674+129.7000/+29.6600+129.7073/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6214+129.7000/+29.6400+129.6814/+29.6600+129.6897/+29.6674+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T18:00:00+09:00 2026-08-22T21:00:00+09:00 降灰 70 +29.9590+129.2600/+29.9522+129.2800/+29.9507+129.3000/+29.9400+129.3121/+29.9371+129.3200/+29.9258+129.3400/+29.9200+129.3457/+29.9126+129.3600/+29.9040+129.3800/+29.9000+129.3882/+29.8934+129.4000/+29.8800+129.4108/+29.8750+129.4200/+29.8635+129.4400/+29.8600+129.4453/+29.8523+129.4600/+29.8400+129.4767/+29.8358+129.4800/+29.8200+129.4885/+29.8138+129.5000/+29.8000+129.5163/+29.7986+129.5200/+29.7869+129.5400/+29.7800+129.5474/+29.7752+129.5600/+29.7600+129.5759/+29.7587+129.5800/+29.7437+129.6000/+29.7400+129.6037/+29.7368+129.6200/+29.7200+129.6370/+29.7195+129.6400/+29.7123+129.6600/+29.7000+129.6725/+29.6996+129.6800/+29.6800+129.6997/+29.6800+129.7000/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7398/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6601/+29.6401+129.6600/+29.6412+129.6400/+29.6600+129.6210/+29.6604+129.6200/+29.6642+129.6000/+29.6800+129.5836/+29.6811+129.5800/+29.6910+129.5600/+29.7000+129.5504/+29.7036+129.5400/+29.7200+129.5210/+29.7205+129.5200/+29.7276+129.5000/+29.7400+129.4858/+29.7430+129.4800/+29.7553+129.4600/+29.7600+129.4545/+29.7655+129.4400/+29.7713+129.4200/+29.7800+129.4078/+29.7864+129.4000/+29.8000+129.3842/+29.8038+129.3800/+29.8200+129.3600/+29.8308+129.3400/+29.8400+129.3330/+29.8569+129.3200/+29.8600+129.3149/+29.8718+129.3000/+29.8800+129.2925/+29.8940+129.2800/+29.9000+129.2732/+29.9200+129.2691/+29.9326+129.2600/+29.9400+129.2524/+29.9590+129.2600/ 北西 50 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6661+129.7000/+29.6600+129.7061/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6811/+29.6600+129.6911/+29.6661+129.7000/ 北西 2 鹿児島県十島村 4630400 2026-08-22T21:00:00+09:00 2026-08-23T00:00:00+09:00 降灰 70 +29.9446+129.2400/+29.9499+129.2600/+29.9400+129.2746/+29.9370+129.2800/+29.9336+129.3000/+29.9282+129.3200/+29.9200+129.3312/+29.9146+129.3400/+29.9073+129.3600/+29.9000+129.3748/+29.8965+129.3800/+29.8800+129.3964/+29.8783+129.4000/+29.8681+129.4200/+29.8600+129.4310/+29.8548+129.4400/+29.8440+129.4600/+29.8400+129.4657/+29.8200+129.4780/+29.8190+129.4800/+29.8094+129.5000/+29.8000+129.5097/+29.7957+129.5200/+29.7800+129.5374/+29.7790+129.5400/+29.7693+129.5600/+29.7600+129.5699/+29.7576+129.5800/+29.7400+129.5990/+29.7397+129.6000/+29.7356+129.6200/+29.7200+129.6357/+29.7194+129.6400/+29.7084+129.6600/+29.7000+129.6684/+29.6996+129.6800/+29.6800+129.6996/+29.6800+129.7000/+29.6796+129.7200/+29.6600+129.7396/+29.6400+129.7399/+29.6201+129.7200/+29.6200+129.7000/+29.6202+129.6800/+29.6400+129.6601/+29.6401+129.6600/+29.6412+129.6400/+29.6600+129.6208/+29.6603+129.6200/+29.6638+129.6000/+29.6800+129.5830/+29.6809+129.5800/+29.6873+129.5600/+29.7000+129.5464/+29.7024+129.5400/+29.7179+129.5200/+29.7200+129.5176/+29.7252+129.5000/+29.7400+129.4825/+29.7412+129.4800/+29.7507+129.4600/+29.7600+129.4486/+29.7638+129.4400/+29.7691+129.4200/+29.7800+129.4042/+29.7838+129.4000/+29.8000+129.3808/+29.8006+129.3800/+29.8127+129.3600/+29.8200+129.3441/+29.8221+129.3400/+29.8400+129.3248/+29.8467+129.3200/+29.8600+129.3014/+29.8612+129.3000/+29.8800+129.2813/+29.8820+129.2800/+29.8996+129.2600/+29.9000+129.2595/+29.9200+129.2556/+29.9381+129.2400/+29.9400+129.2386/+29.9446+129.2400/ 北西 60 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6668+129.7000/+29.6600+129.7068/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6400+129.6812/+29.6600+129.6902/+29.6668+129.7000/ 北西 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、２２日０９時から１２時までは火口から北西方向、２２日２１時から２４時までは火口から北西方向に降灰が予想されます。 　２２日６時から２２日２４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 　２２日０６時から０９時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日０９時から１２時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日１２時から１５時まで　北西　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　２２日１５時から１８時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２２日１８時から２１時まで　北西　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　２２日２１時から２４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。