2026-08-24T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-24T17:00:00+09:00 2026-08-24T18:00:00+09:00 2026-08-25T12:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、２４日２１時から２４時までは火口から西方向、２５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 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-08-24T18:00:00+09:00 2026-08-24T21:00:00+09:00 降灰 70 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西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8135+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7831+130.2800/+30.8000+130.2629/+30.8135+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-24T21:00:00+09:00 2026-08-25T00:00:00+09:00 降灰 70 +30.8219+129.9400/+30.8233+129.9600/+30.8241+129.9800/+30.8200+129.9939/+30.8192+130.0000/+30.8174+130.0200/+30.8171+130.0400/+30.8175+130.0600/+30.8176+130.0800/+30.8180+130.1000/+30.8186+130.1200/+30.8187+130.1400/+30.8187+130.1600/+30.8191+130.1800/+30.8194+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2416/+30.7584+130.2400/+30.7436+130.2200/+30.7418+130.2000/+30.7414+130.1800/+30.7411+130.1600/+30.7409+130.1400/+30.7401+130.1200/+30.7400+130.1187/+30.7310+130.1000/+30.7290+130.0800/+30.7273+130.0600/+30.7251+130.0400/+30.7239+130.0200/+30.7207+130.0000/+30.7200+129.9856/+30.7188+129.9800/+30.7191+129.9600/+30.7172+129.9400/+30.7139+129.9200/+30.7129+129.9000/+30.7140+129.8800/+30.7178+129.8600/+30.7200+129.8504/+30.7217+129.8400/+30.7233+129.8200/+30.7256+129.8000/+30.7290+129.7800/+30.7338+129.7600/+30.7390+129.7400/+30.7400+129.7363/+30.7511+129.7200/+30.7600+129.7079/+30.7800+129.7107/+30.8000+129.7157/+30.8008+129.7200/+30.8039+129.7400/+30.8073+129.7600/+30.8109+129.7800/+30.8134+129.8000/+30.8147+129.8200/+30.8158+129.8400/+30.8180+129.8600/+30.8199+129.8800/+30.8175+129.9000/+30.8195+129.9200/+30.8200+129.9246/+30.8219+129.9400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3072/+30.7728+130.3000/+30.7695+130.2800/+30.7800+130.2655/+30.8000+130.2633/+30.8138+130.2800/ 西 3 鹿児島県三島村 4630300 2026-08-25T00:00:00+09:00 2026-08-25T03:00:00+09:00 降灰 70 +30.8216+129.7800/+30.8202+129.8000/+30.8214+129.8200/+30.8224+129.8400/+30.8249+129.8600/+30.8268+129.8800/+30.8219+129.9000/+30.8233+129.9200/+30.8244+129.9400/+30.8260+129.9600/+30.8278+129.9800/+30.8200+129.9893/+30.8174+130.0000/+30.8180+130.0200/+30.8180+130.0400/+30.8181+130.0600/+30.8184+130.0800/+30.8187+130.1000/+30.8189+130.1200/+30.8192+130.1400/+30.8193+130.1600/+30.8195+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2145/+30.7493+130.2000/+30.7449+130.1800/+30.7437+130.1600/+30.7432+130.1400/+30.7429+130.1200/+30.7427+130.1000/+30.7422+130.0800/+30.7417+130.0600/+30.7414+130.0400/+30.7410+130.0200/+30.7407+130.0000/+30.7400+129.9970/+30.7285+129.9800/+30.7292+129.9600/+30.7295+129.9400/+30.7293+129.9200/+30.7290+129.9000/+30.7272+129.8800/+30.7271+129.8600/+30.7271+129.8400/+30.7275+129.8200/+30.7281+129.8000/+30.7229+129.7800/+30.7246+129.7600/+30.7263+129.7400/+30.7278+129.7200/+30.7295+129.7000/+30.7316+129.6800/+30.7341+129.6600/+30.7373+129.6400/+30.7400+129.6272/+30.7463+129.6200/+30.7600+129.6087/+30.7694+129.6200/+30.7800+129.6322/+30.7871+129.6400/+30.8000+129.6563/+30.8010+129.6600/+30.8052+129.6800/+30.8087+129.7000/+30.8126+129.7200/+30.8158+129.7400/+30.8188+129.7600/+30.8200+129.7684/+30.8216+129.7800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2861/+30.7739+130.2800/+30.7800+130.2679/+30.8000+130.2618/+30.8142+130.2800/ 西 3 鹿児島県三島村 4630300 2026-08-25T03:00:00+09:00 2026-08-25T06:00:00+09:00 降灰 70 +30.8412+129.6600/+30.8430+129.6800/+30.8445+129.7000/+30.8468+129.7200/+30.8487+129.7400/+30.8490+129.7600/+30.8481+129.7800/+30.8462+129.8000/+30.8464+129.8200/+30.8466+129.8400/+30.8478+129.8600/+30.8489+129.8800/+30.8400+129.8940/+30.8391+129.9000/+30.8382+129.9200/+30.8377+129.9400/+30.8372+129.9600/+30.8368+129.9800/+30.8336+130.0000/+30.8329+130.0200/+30.8306+130.0400/+30.8301+130.0600/+30.8273+130.0800/+30.8251+130.1000/+30.8212+130.1200/+30.8200+130.1235/+30.8198+130.1400/+30.8198+130.1600/+30.8197+130.1800/+30.8198+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2146/+30.7491+130.2000/+30.7447+130.1800/+30.7436+130.1600/+30.7431+130.1400/+30.7431+130.1200/+30.7428+130.1000/+30.7427+130.0800/+30.7424+130.0600/+30.7423+130.0400/+30.7423+130.0200/+30.7407+130.0000/+30.7400+129.9968/+30.7314+129.9800/+30.7335+129.9600/+30.7362+129.9400/+30.7396+129.9200/+30.7400+129.9156/+30.7409+129.9000/+30.7400+129.8950/+30.7359+129.8800/+30.7379+129.8600/+30.7400+129.8430/+30.7404+129.8400/+30.7436+129.8200/+30.7472+129.8000/+30.7505+129.7800/+30.7559+129.7600/+30.7600+129.7443/+30.7609+129.7400/+30.7643+129.7200/+30.7684+129.7000/+30.7726+129.6800/+30.7776+129.6600/+30.7800+129.6450/+30.7809+129.6400/+30.7817+129.6200/+30.7826+129.6000/+30.7894+129.5800/+30.7985+129.5600/+30.8000+129.5565/+30.8059+129.5600/+30.8200+129.5710/+30.8263+129.5800/+30.8341+129.6000/+30.8365+129.6200/+30.8389+129.6400/+30.8400+129.6478/+30.8412+129.6600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8006+130.2600/+30.8158+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2824/+30.7776+130.2800/+30.7800+130.2754/+30.7988+130.2600/+30.8000+130.2590/+30.8006+130.2600/ 西 4 鹿児島県三島村 4630300 2026-08-25T06:00:00+09:00 2026-08-25T09:00:00+09:00 降灰 70 +30.8224+129.6200/+30.8255+129.6400/+30.8275+129.6600/+30.8286+129.6800/+30.8297+129.7000/+30.8316+129.7200/+30.8331+129.7400/+30.8348+129.7600/+30.8365+129.7800/+30.8335+129.8000/+30.8333+129.8200/+30.8331+129.8400/+30.8331+129.8600/+30.8332+129.8800/+30.8321+129.9000/+30.8322+129.9200/+30.8328+129.9400/+30.8333+129.9600/+30.8337+129.9800/+30.8200+129.9989/+30.8197+130.0000/+30.8195+130.0200/+30.8192+130.0400/+30.8191+130.0600/+30.8192+130.0800/+30.8193+130.1000/+30.8193+130.1200/+30.8194+130.1400/+30.8195+130.1600/+30.8196+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8198+130.3000/+30.8000+130.3198/+30.7800+130.3197/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2200/+30.7600+130.2181/+30.7455+130.2000/+30.7431+130.1800/+30.7421+130.1600/+30.7417+130.1400/+30.7418+130.1200/+30.7417+130.1000/+30.7414+130.0800/+30.7410+130.0600/+30.7402+130.0400/+30.7400+130.0332/+30.7372+130.0200/+30.7315+130.0000/+30.7258+129.9800/+30.7257+129.9600/+30.7259+129.9400/+30.7265+129.9200/+30.7272+129.9000/+30.7262+129.8800/+30.7266+129.8600/+30.7270+129.8400/+30.7276+129.8200/+30.7283+129.8000/+30.7247+129.7800/+30.7281+129.7600/+30.7315+129.7400/+30.7346+129.7200/+30.7383+129.7000/+30.7400+129.6876/+30.7412+129.6800/+30.7444+129.6600/+30.7497+129.6400/+30.7579+129.6200/+30.7600+129.6156/+30.7683+129.6000/+30.7729+129.5800/+30.7786+129.5600/+30.7800+129.5545/+30.7840+129.5400/+30.7884+129.5200/+30.7936+129.5000/+30.8000+129.4873/+30.8033+129.5000/+30.8061+129.5200/+30.8086+129.5400/+30.8117+129.5600/+30.8152+129.5800/+30.8182+129.6000/+30.8200+129.6079/+30.8224+129.6200/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8070+130.2600/+30.8167+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2873/+30.7727+130.2800/+30.7800+130.2608/+30.7808+130.2600/+30.8000+130.2485/+30.8070+130.2600/ 西 4 鹿児島県三島村 4630300 2026-08-25T09:00:00+09:00 2026-08-25T12:00:00+09:00 降灰 70 +30.8214+129.6600/+30.8241+129.6800/+30.8263+129.7000/+30.8266+129.7200/+30.8268+129.7400/+30.8283+129.7600/+30.8306+129.7800/+30.8276+129.8000/+30.8273+129.8200/+30.8271+129.8400/+30.8283+129.8600/+30.8293+129.8800/+30.8264+129.9000/+30.8279+129.9200/+30.8285+129.9400/+30.8294+129.9600/+30.8305+129.9800/+30.8200+129.9917/+30.8176+130.0000/+30.8179+130.0200/+30.8181+130.0400/+30.8182+130.0600/+30.8185+130.0800/+30.8188+130.1000/+30.8189+130.1200/+30.8193+130.1400/+30.8195+130.1600/+30.8196+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8198+130.3000/+30.8000+130.3198/+30.7800+130.3196/+30.7604+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2200/+30.7600+130.2165/+30.7463+130.2000/+30.7428+130.1800/+30.7419+130.1600/+30.7416+130.1400/+30.7414+130.1200/+30.7412+130.1000/+30.7409+130.0800/+30.7405+130.0600/+30.7400+130.0494/+30.7358+130.0400/+30.7307+130.0200/+30.7272+130.0000/+30.7233+129.9800/+30.7234+129.9600/+30.7234+129.9400/+30.7232+129.9200/+30.7228+129.9000/+30.7209+129.8800/+30.7209+129.8600/+30.7209+129.8400/+30.7210+129.8200/+30.7211+129.8000/+30.7200+129.7945/+30.7161+129.7800/+30.7178+129.7600/+30.7190+129.7400/+30.7196+129.7200/+30.7200+129.7092/+30.7203+129.7000/+30.7234+129.6800/+30.7272+129.6600/+30.7314+129.6400/+30.7361+129.6200/+30.7400+129.6066/+30.7438+129.6000/+30.7457+129.5800/+30.7480+129.5600/+30.7520+129.5400/+30.7583+129.5200/+30.7600+129.5150/+30.7800+129.5191/+30.7855+129.5200/+30.8000+129.5218/+30.8034+129.5400/+30.8064+129.5600/+30.8090+129.5800/+30.8112+129.6000/+30.8152+129.6200/+30.8185+129.6400/+30.8200+129.6498/+30.8214+129.6600/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8079+130.2600/+30.8173+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2897/+30.7703+130.2800/+30.7795+130.2600/+30.7800+130.2591/+30.8000+130.2455/+30.8079+130.2600/ 西 5 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、２４日２１時から２４時までは火口から西方向、２５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。 　２４日１８時から２５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 　２４日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　２４日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　２５日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　２５日０３時から０６時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　２５日０６時から０９時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　２５日０９時から１２時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　 　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：三島村 　 　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。