2026-10-09T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-09T14:00:00+09:00 2026-10-09T15:00:00+09:00 2026-10-10T09:00:00+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、９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 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 2026-10-09T15:00:00+09:00 2026-10-09T18:00:00+09:00 降灰 70 +30.8278+130.1200/+30.8269+130.1400/+30.8223+130.1600/+30.8200+130.1657/+30.8177+130.1800/+30.8193+130.2000/+30.8195+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8003+130.3200/+30.8000+130.3203/+30.7994+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2397/+30.7425+130.2200/+30.7410+130.2000/+30.7407+130.1800/+30.7406+130.1600/+30.7404+130.1400/+30.7400+130.1251/+30.7360+130.1200/+30.7259+130.1000/+30.7236+130.0800/+30.7224+130.0600/+30.7217+130.0400/+30.7205+130.0200/+30.7200+130.0170/+30.7013+130.0000/+30.7000+129.9906/+30.6976+129.9800/+30.6957+129.9600/+30.6940+129.9400/+30.6923+129.9200/+30.6886+129.9000/+30.6881+129.8800/+30.6877+129.8600/+30.6872+129.8400/+30.6877+129.8200/+30.6883+129.8000/+30.6800+129.7829/+30.6773+129.7800/+30.6771+129.7600/+30.6771+129.7400/+30.6774+129.7200/+30.6778+129.7000/+30.6800+129.6813/+30.6802+129.6800/+30.6831+129.6600/+30.6855+129.6400/+30.6870+129.6200/+30.6886+129.6000/+30.6912+129.5800/+30.6946+129.5600/+30.7000+129.5422/+30.7072+129.5600/+30.7134+129.5800/+30.7194+129.6000/+30.7200+129.6019/+30.7256+129.6200/+30.7327+129.6400/+30.7400+129.6548/+30.7419+129.6600/+30.7499+129.6800/+30.7566+129.7000/+30.7600+129.7086/+30.7630+129.7200/+30.7674+129.7400/+30.7712+129.7600/+30.7744+129.7800/+30.7706+129.8000/+30.7753+129.8200/+30.7788+129.8400/+30.7800+129.8447/+30.7832+129.8600/+30.7863+129.8800/+30.7800+129.8896/+30.7770+129.9000/+30.7783+129.9200/+30.7791+129.9400/+30.7800+129.9490/+30.7858+129.9600/+30.7955+129.9800/+30.7894+130.0000/+30.7912+130.0200/+30.7948+130.0400/+30.7966+130.0600/+30.7984+130.0800/+30.7994+130.1000/+30.7997+130.1200/+30.7999+130.1400/+30.8000+130.1471/+30.8093+130.1400/+30.8135+130.1200/+30.8200+130.1018/+30.8278+130.1200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8163+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3157/+30.7643+130.3000/+30.7648+130.2800/+30.7783+130.2600/+30.7800+130.2574/+30.7873+130.2600/+30.8000+130.2607/+30.8163+130.2800/ 西 5 鹿児島県三島村 4630300 2026-10-09T18:00:00+09:00 2026-10-09T21:00:00+09:00 降灰 70 +30.8056+129.9800/+30.8000+129.9849/+30.7955+130.0000/+30.7962+130.0200/+30.7979+130.0400/+30.7982+130.0600/+30.7992+130.0800/+30.7997+130.1000/+30.8000+130.1082/+30.8091+130.1200/+30.8150+130.1400/+30.8174+130.1600/+30.8188+130.1800/+30.8188+130.2000/+30.8194+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8198+130.3000/+30.8090+130.3200/+30.8000+130.3290/+30.7806+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2443/+30.7557+130.2400/+30.7417+130.2200/+30.7407+130.2000/+30.7405+130.1800/+30.7404+130.1600/+30.7403+130.1400/+30.7400+130.1285/+30.7332+130.1200/+30.7256+130.1000/+30.7231+130.0800/+30.7219+130.0600/+30.7214+130.0400/+30.7206+130.0200/+30.7200+130.0170/+30.7001+130.0000/+30.7000+129.9991/+30.6958+129.9800/+30.6928+129.9600/+30.6910+129.9400/+30.6899+129.9200/+30.6868+129.9000/+30.6866+129.8800/+30.6857+129.8600/+30.6846+129.8400/+30.6840+129.8200/+30.6832+129.8000/+30.6800+129.7932/+30.6693+129.7800/+30.6688+129.7600/+30.6691+129.7400/+30.6703+129.7200/+30.6719+129.7000/+30.6721+129.6800/+30.6724+129.6600/+30.6726+129.6400/+30.6730+129.6200/+30.6734+129.6000/+30.6778+129.5800/+30.6800+129.5728/+30.6854+129.5600/+30.6951+129.5400/+30.7000+129.5275/+30.7035+129.5400/+30.7128+129.5600/+30.7200+129.5728/+30.7235+129.5800/+30.7319+129.6000/+30.7375+129.6200/+30.7400+129.6285/+30.7438+129.6400/+30.7516+129.6600/+30.7600+129.6790/+30.7604+129.6800/+30.7665+129.7000/+30.7713+129.7200/+30.7747+129.7400/+30.7782+129.7600/+30.7800+129.7699/+30.7816+129.7800/+30.7800+129.7979/+30.7798+129.8000/+30.7800+129.8012/+30.7828+129.8200/+30.7852+129.8400/+30.7889+129.8600/+30.7915+129.8800/+30.7834+129.9000/+30.7884+129.9200/+30.7950+129.9400/+30.7994+129.9600/+30.8000+129.9629/+30.8056+129.9800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2600/+30.8178+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3163/+30.7637+130.3000/+30.7642+130.2800/+30.7726+130.2600/+30.7800+130.2456/+30.8000+130.2439/+30.8095+130.2600/ 西 5 鹿児島県三島村 4630300 2026-10-09T21:00:00+09:00 2026-10-10T00:00:00+09:00 降灰 70 +30.8221+129.6600/+30.8243+129.6800/+30.8262+129.7000/+30.8284+129.7200/+30.8303+129.7400/+30.8325+129.7600/+30.8349+129.7800/+30.8321+129.8000/+30.8314+129.8200/+30.8307+129.8400/+30.8320+129.8600/+30.8329+129.8800/+30.8309+129.9000/+30.8322+129.9200/+30.8327+129.9400/+30.8332+129.9600/+30.8336+129.9800/+30.8200+129.9986/+30.8196+130.0000/+30.8198+130.0200/+30.8200+130.0338/+30.8208+130.0400/+30.8200+130.0430/+30.8197+130.0600/+30.8196+130.0800/+30.8195+130.1000/+30.8197+130.1200/+30.8197+130.1400/+30.8197+130.1600/+30.8197+130.1800/+30.8198+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8197+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/+30.7601+130.2200/+30.7601+130.2000/+30.7601+130.1800/+30.7600+130.1656/+30.7563+130.1600/+30.7502+130.1400/+30.7464+130.1200/+30.7450+130.1000/+30.7443+130.0800/+30.7435+130.0600/+30.7433+130.0400/+30.7430+130.0200/+30.7431+130.0000/+30.7400+129.9905/+30.7299+129.9800/+30.7296+129.9600/+30.7295+129.9400/+30.7293+129.9200/+30.7290+129.9000/+30.7267+129.8800/+30.7274+129.8600/+30.7283+129.8400/+30.7284+129.8200/+30.7285+129.8000/+30.7201+129.7800/+30.7215+129.7600/+30.7228+129.7400/+30.7240+129.7200/+30.7253+129.7000/+30.7279+129.6800/+30.7312+129.6600/+30.7338+129.6400/+30.7351+129.6200/+30.7364+129.6000/+30.7400+129.5859/+30.7432+129.5800/+30.7554+129.5600/+30.7600+129.5499/+30.7733+129.5400/+30.7800+129.5316/+30.7905+129.5200/+30.8000+129.5107/+30.8020+129.5200/+30.8057+129.5400/+30.8092+129.5600/+30.8125+129.5800/+30.8153+129.6000/+30.8179+129.6200/+30.8199+129.6400/+30.8200+129.6405/+30.8221+129.6600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2600/+30.8177+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2902/+30.7698+130.2800/+30.7798+130.2600/+30.7800+130.2595/+30.8000+130.2432/+30.8095+130.2600/ 西 5 鹿児島県三島村 4630300 2026-10-10T00:00:00+09:00 2026-10-10T03:00:00+09:00 降灰 70 +30.9267+130.0800/+30.9221+130.1000/+30.9200+130.1029/+30.9125+130.1200/+30.9054+130.1400/+30.9000+130.1477/+30.8934+130.1600/+30.8800+130.1795/+30.8796+130.1800/+30.8681+130.2000/+30.8600+130.2104/+30.8565+130.2200/+30.8465+130.2400/+30.8400+130.2472/+30.8362+130.2600/+30.8309+130.2800/+30.8200+130.2914/+30.8198+130.3000/+30.8122+130.3200/+30.8000+130.3322/+30.7800+130.3251/+30.7749+130.3200/+30.7604+130.3000/+30.7602+130.2800/+30.7602+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7605+130.2000/+30.7608+130.1800/+30.7611+130.1600/+30.7615+130.1400/+30.7620+130.1200/+30.7625+130.1000/+30.7632+130.0800/+30.7638+130.0600/+30.7646+130.0400/+30.7650+130.0200/+30.7660+130.0000/+30.7600+129.9845/+30.7556+129.9800/+30.7585+129.9600/+30.7600+129.9476/+30.7605+129.9400/+30.7611+129.9200/+30.7631+129.9000/+30.7653+129.8800/+30.7667+129.8600/+30.7686+129.8400/+30.7692+129.8200/+30.7699+129.8000/+30.7668+129.7800/+30.7690+129.7600/+30.7717+129.7400/+30.7753+129.7200/+30.7800+129.7002/+30.7801+129.7000/+30.7839+129.6800/+30.7888+129.6600/+30.7934+129.6400/+30.7969+129.6200/+30.8000+129.6045/+30.8031+129.6000/+30.8177+129.5800/+30.8200+129.5758/+30.8268+129.5600/+30.8336+129.5400/+30.8400+129.5220/+30.8600+129.5369/+30.8605+129.5400/+30.8627+129.5600/+30.8639+129.5800/+30.8650+129.6000/+30.8679+129.6200/+30.8701+129.6400/+30.8718+129.6600/+30.8733+129.6800/+30.8746+129.7000/+30.8762+129.7200/+30.8775+129.7400/+30.8785+129.7600/+30.8793+129.7800/+30.8714+129.8000/+30.8709+129.8200/+30.8704+129.8400/+30.8705+129.8600/+30.8705+129.8800/+30.8679+129.9000/+30.8704+129.9200/+30.8702+129.9400/+30.8696+129.9600/+30.8686+129.9800/+30.8688+130.0000/+30.8600+130.0087/+30.8535+130.0200/+30.8510+130.0400/+30.8491+130.0600/+30.8405+130.0800/+30.8400+130.0811/+30.8396+130.1000/+30.8395+130.1200/+30.8394+130.1400/+30.8399+130.1600/+30.8400+130.1629/+30.8413+130.1600/+30.8540+130.1400/+30.8600+130.1306/+30.8671+130.1200/+30.8800+130.1029/+30.8839+130.1000/+30.8939+130.0800/+30.9000+130.0681/+30.9200+130.0612/+30.9267+130.0800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2600/+30.8176+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7825+130.2800/+30.7894+130.2600/+30.8000+130.2445/+30.8092+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-10T03:00:00+09:00 2026-10-10T06:00:00+09:00 降灰 70 +30.9920+130.0400/+30.9800+130.0511/+30.9768+130.0600/+30.9683+130.0800/+30.9600+130.0897/+30.9534+130.1000/+30.9400+130.1142/+30.9347+130.1200/+30.9200+130.1388/+30.9193+130.1400/+30.9078+130.1600/+30.9000+130.1685/+30.8926+130.1800/+30.8800+130.1946/+30.8768+130.2000/+30.8645+130.2200/+30.8600+130.2248/+30.8544+130.2400/+30.8400+130.2572/+30.8395+130.2600/+30.8355+130.2800/+30.8200+130.2962/+30.8199+130.3000/+30.8148+130.3200/+30.8000+130.3348/+30.7800+130.3300/+30.7700+130.3200/+30.7604+130.3000/+30.7603+130.2800/+30.7608+130.2600/+30.7668+130.2400/+30.7800+130.2258/+30.7801+130.2200/+30.7802+130.2000/+30.7803+130.1800/+30.7805+130.1600/+30.7811+130.1400/+30.7825+130.1200/+30.7857+130.1000/+30.7937+130.0800/+30.8000+130.0702/+30.8004+130.0600/+30.8012+130.0400/+30.8018+130.0200/+30.8033+130.0000/+30.8000+129.9800/+30.8024+129.9600/+30.8050+129.9400/+30.8089+129.9200/+30.8123+129.9000/+30.8114+129.8800/+30.8147+129.8600/+30.8200+129.8416/+30.8207+129.8400/+30.8267+129.8200/+30.8375+129.8000/+30.8294+129.7800/+30.8372+129.7600/+30.8400+129.7537/+30.8469+129.7400/+30.8560+129.7200/+30.8600+129.7117/+30.8639+129.7000/+30.8672+129.6800/+30.8707+129.6600/+30.8749+129.6400/+30.8800+129.6211/+30.8803+129.6200/+30.8872+129.6000/+30.8941+129.5800/+30.9000+129.5664/+30.9200+129.5762/+30.9244+129.5800/+30.9367+129.6000/+30.9385+129.6200/+30.9393+129.6400/+30.9383+129.6600/+30.9364+129.6800/+30.9351+129.7000/+30.9345+129.7200/+30.9339+129.7400/+30.9332+129.7600/+30.9322+129.7800/+30.9311+129.8000/+30.9200+129.8113/+30.9155+129.8200/+30.9147+129.8400/+30.9143+129.8600/+30.9140+129.8800/+30.9132+129.9000/+30.9000+129.9151/+30.8978+129.9200/+30.8971+129.9400/+30.8963+129.9600/+30.8953+129.9800/+30.8931+130.0000/+30.8800+130.0148/+30.8776+130.0200/+30.8733+130.0400/+30.8622+130.0600/+30.8600+130.0627/+30.8595+130.0800/+30.8594+130.1000/+30.8592+130.1200/+30.8596+130.1400/+30.8600+130.1457/+30.8615+130.1400/+30.8800+130.1219/+30.8824+130.1200/+30.9000+130.1069/+30.9060+130.1000/+30.9152+130.0800/+30.9200+130.0717/+30.9400+130.0608/+30.9415+130.0600/+30.9575+130.0400/+30.9600+130.0370/+30.9800+130.0257/+30.9920+130.0400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8073+130.2600/+30.8170+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7831+130.2800/+30.7930+130.2600/+30.8000+130.2476/+30.8073+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-10T06:00:00+09:00 2026-10-10T09:00:00+09:00 降灰 70 +31.0952+129.9400/+31.0978+129.9600/+31.0851+129.9800/+31.0800+129.9882/+31.0753+130.0000/+31.0600+130.0176/+31.0579+130.0200/+31.0400+130.0372/+31.0377+130.0400/+31.0200+130.0575/+31.0182+130.0600/+31.0040+130.0800/+31.0000+130.0838/+30.9800+130.0988/+30.9789+130.1000/+30.9610+130.1200/+30.9600+130.1210/+30.9448+130.1400/+30.9400+130.1450/+30.9271+130.1600/+30.9200+130.1683/+30.9108+130.1800/+30.9000+130.1904/+30.8899+130.2000/+30.8800+130.2100/+30.8754+130.2200/+30.8609+130.2400/+30.8600+130.2410/+30.8499+130.2600/+30.8400+130.2701/+30.8386+130.2800/+30.8200+130.2995/+30.8200+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3342/+30.7658+130.3200/+30.7604+130.3000/+30.7604+130.2800/+30.7636+130.2600/+30.7800+130.2430/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7829+130.1600/+30.7904+130.1400/+30.8000+130.1260/+30.8002+130.1200/+30.8009+130.1000/+30.8022+130.0800/+30.8039+130.0600/+30.8075+130.0400/+30.8142+130.0200/+30.8200+130.0091/+30.8207+130.0000/+30.8200+129.9960/+30.8079+129.9800/+30.8121+129.9600/+30.8189+129.9400/+30.8200+129.9370/+30.8248+129.9200/+30.8325+129.9000/+30.8351+129.8800/+30.8400+129.8663/+30.8408+129.8600/+30.8435+129.8400/+30.8466+129.8200/+30.8506+129.8000/+30.8536+129.7800/+30.8600+129.7602/+30.8600+129.7600/+30.8645+129.7400/+30.8690+129.7200/+30.8744+129.7000/+30.8780+129.6800/+30.8800+129.6696/+30.8820+129.6600/+30.8871+129.6400/+30.8946+129.6200/+30.9000+129.6088/+30.9200+129.6116/+30.9373+129.6200/+30.9400+129.6232/+30.9436+129.6400/+30.9459+129.6600/+30.9470+129.6800/+30.9480+129.7000/+30.9468+129.7200/+30.9458+129.7400/+30.9452+129.7600/+30.9447+129.7800/+30.9443+129.8000/+30.9443+129.8200/+30.9426+129.8400/+30.9406+129.8600/+30.9400+129.8649/+30.9378+129.8800/+30.9332+129.9000/+30.9332+129.9200/+30.9259+129.9400/+30.9214+129.9600/+30.9200+129.9645/+30.9167+129.9800/+30.9090+130.0000/+30.9000+130.0092/+30.8985+130.0200/+30.8976+130.0400/+30.8899+130.0600/+30.9000+130.0751/+30.9170+130.0600/+30.9200+130.0514/+30.9227+130.0400/+30.9369+130.0200/+30.9400+130.0180/+30.9584+130.0000/+30.9600+129.9976/+30.9761+129.9800/+30.9800+129.9767/+30.9980+129.9600/+31.0000+129.9579/+31.0200+129.9428/+31.0275+129.9400/+31.0400+129.9367/+31.0600+129.9340/+31.0800+129.9275/+31.0952+129.9400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8093+130.2600/+30.8168+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7833+130.2800/+30.7951+130.2600/+30.8000+130.2507/+30.8093+130.2600/ 西 4 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、９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。 　９日１５時から１０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 　０９日１５時から１８時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　０９日１８時から２１時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　０９日２１時から２４時まで　西　　　　　　　７０ｋｍ　　５ｋｍ　　　　　 　１０日００時から０３時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日０３時から０６時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日０６時から０９時まで　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：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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。