2026-09-02T08:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T17:00:00+09:00 2026-09-02T18:00:00+09:00 2026-09-03T12:00:00+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、２日２１時から２４時までは火口から西方向、３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 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+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 +30.8010+130.2600/+30.8160+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2880/+30.7720+130.2800/+30.7800+130.2633/+30.7942+130.2600/+30.8000+130.2584/+30.8010+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-02T21:00:00+09:00 2026-09-03T00:00:00+09:00 降灰 70 +30.8054+129.9000/+30.8093+129.9200/+30.8126+129.9400/+30.8152+129.9600/+30.8172+129.9800/+30.8115+130.0000/+30.8133+130.0200/+30.8167+130.0400/+30.8172+130.0600/+30.8166+130.0800/+30.8183+130.1000/+30.8187+130.1200/+30.8188+130.1400/+30.8192+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+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7601+130.2000/+30.7600+130.1942/+30.7490+130.1800/+30.7442+130.1600/+30.7426+130.1400/+30.7419+130.1200/+30.7417+130.1000/+30.7416+130.0800/+30.7413+130.0600/+30.7408+130.0400/+30.7400+130.0200/+30.7400+130.0197/+30.7313+130.0000/+30.7236+129.9800/+30.7234+129.9600/+30.7228+129.9400/+30.7217+129.9200/+30.7203+129.9000/+30.7200+129.8985/+30.7053+129.8800/+30.7035+129.8600/+30.7019+129.8400/+30.7005+129.8200/+30.7000+129.8126/+30.6992+129.8000/+30.7000+129.7968/+30.7053+129.7800/+30.7049+129.7600/+30.7034+129.7400/+30.7000+129.7217/+30.6996+129.7200/+30.6957+129.7000/+30.6949+129.6800/+30.6941+129.6600/+30.6930+129.6400/+30.6916+129.6200/+30.6903+129.6000/+30.6925+129.5800/+30.6952+129.5600/+30.6972+129.5400/+30.6981+129.5200/+30.6992+129.5000/+30.7000+129.4963/+30.7009+129.5000/+30.7024+129.5200/+30.7039+129.5400/+30.7079+129.5600/+30.7158+129.5800/+30.7200+129.5888/+30.7263+129.6000/+30.7400+129.6186/+30.7408+129.6200/+30.7526+129.6400/+30.7600+129.6505/+30.7630+129.6600/+30.7687+129.6800/+30.7731+129.7000/+30.7770+129.7200/+30.7800+129.7399/+30.7800+129.7400/+30.7835+129.7600/+30.7873+129.7800/+30.7903+129.8000/+30.7925+129.8200/+30.7942+129.8400/+30.7962+129.8600/+30.7978+129.8800/+30.8000+129.8887/+30.8054+129.9000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8026+130.2600/+30.8158+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2924/+30.7676+130.2800/+30.7800+130.2612/+30.7885+130.2600/+30.8000+130.2559/+30.8026+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T00:00:00+09:00 2026-09-03T03:00:00+09:00 降灰 70 +30.8214+129.5200/+30.8235+129.5400/+30.8255+129.5600/+30.8277+129.5800/+30.8296+129.6000/+30.8300+129.6200/+30.8304+129.6400/+30.8319+129.6600/+30.8341+129.6800/+30.8359+129.7000/+30.8372+129.7200/+30.8383+129.7400/+30.8390+129.7600/+30.8395+129.7800/+30.8345+129.8000/+30.8352+129.8200/+30.8358+129.8400/+30.8359+129.8600/+30.8361+129.8800/+30.8359+129.9000/+30.8369+129.9200/+30.8375+129.9400/+30.8379+129.9600/+30.8380+129.9800/+30.8357+130.0000/+30.8359+130.0200/+30.8358+130.0400/+30.8354+130.0600/+30.8355+130.0800/+30.8362+130.1000/+30.8380+130.1200/+30.8381+130.1400/+30.8377+130.1600/+30.8354+130.1800/+30.8338+130.2000/+30.8274+130.2200/+30.8261+130.2400/+30.8200+130.2521/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8074+130.3200/+30.8000+130.3274/+30.7843+130.3200/+30.7800+130.3200/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7605+130.2000/+30.7607+130.1800/+30.7610+130.1600/+30.7614+130.1400/+30.7618+130.1200/+30.7622+130.1000/+30.7627+130.0800/+30.7632+130.0600/+30.7633+130.0400/+30.7638+130.0200/+30.7641+130.0000/+30.7600+129.9909/+30.7491+129.9800/+30.7501+129.9600/+30.7508+129.9400/+30.7510+129.9200/+30.7520+129.9000/+30.7594+129.8800/+30.7600+129.8744/+30.7603+129.8600/+30.7609+129.8400/+30.7605+129.8200/+30.7600+129.8005/+30.7600+129.8000/+30.7539+129.7800/+30.7547+129.7600/+30.7561+129.7400/+30.7580+129.7200/+30.7600+129.7029/+30.7602+129.7000/+30.7620+129.6800/+30.7641+129.6600/+30.7655+129.6400/+30.7658+129.6200/+30.7661+129.6000/+30.7679+129.5800/+30.7700+129.5600/+30.7721+129.5400/+30.7742+129.5200/+30.7768+129.5000/+30.7800+129.4848/+30.7811+129.4800/+30.7863+129.4600/+30.7911+129.4400/+30.7955+129.4200/+30.8000+129.4041/+30.8036+129.4200/+30.8076+129.4400/+30.8117+129.4600/+30.8157+129.4800/+30.8189+129.5000/+30.8200+129.5083/+30.8214+129.5200/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8044+130.2600/+30.8164+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7802+130.2800/+30.7904+130.2600/+30.8000+130.2529/+30.8044+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T03:00:00+09:00 2026-09-03T06:00:00+09:00 降灰 70 +30.9084+129.9600/+30.9118+129.9800/+30.9119+130.0000/+30.9118+130.0200/+30.9000+130.0382/+30.8990+130.0400/+30.8937+130.0600/+30.8934+130.0800/+30.8870+130.1000/+30.8800+130.1096/+30.8764+130.1200/+30.8739+130.1400/+30.8671+130.1600/+30.8600+130.1693/+30.8573+130.1800/+30.8538+130.2000/+30.8438+130.2200/+30.8400+130.2243/+30.8372+130.2400/+30.8355+130.2600/+30.8251+130.2800/+30.8200+130.2852/+30.8199+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3343/+30.7657+130.3200/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2313/+30.7499+130.2200/+30.7435+130.2000/+30.7422+130.1800/+30.7418+130.1600/+30.7415+130.1400/+30.7412+130.1200/+30.7409+130.1000/+30.7403+130.0800/+30.7400+130.0740/+30.7344+130.0600/+30.7317+130.0400/+30.7279+130.0200/+30.7242+130.0000/+30.7222+129.9800/+30.7222+129.9600/+30.7216+129.9400/+30.7202+129.9200/+30.7200+129.9152/+30.7166+129.9000/+30.7082+129.8800/+30.7100+129.8600/+30.7120+129.8400/+30.7122+129.8200/+30.7125+129.8000/+30.7129+129.7800/+30.7142+129.7600/+30.7168+129.7400/+30.7200+129.7233/+30.7207+129.7200/+30.7257+129.7000/+30.7291+129.6800/+30.7332+129.6600/+30.7383+129.6400/+30.7400+129.6337/+30.7487+129.6200/+30.7600+129.6019/+30.7762+129.6000/+30.7800+129.5995/+30.8000+129.5944/+30.8008+129.6000/+30.8027+129.6200/+30.8043+129.6400/+30.8065+129.6600/+30.8092+129.6800/+30.8116+129.7000/+30.8147+129.7200/+30.8172+129.7400/+30.8189+129.7600/+30.8199+129.7800/+30.8164+129.8000/+30.8200+129.8175/+30.8204+129.8200/+30.8234+129.8400/+30.8242+129.8600/+30.8250+129.8800/+30.8202+129.9000/+30.8244+129.9200/+30.8267+129.9400/+30.8293+129.9600/+30.8318+129.9800/+30.8200+129.9980/+30.8195+130.0000/+30.8200+130.0094/+30.8231+130.0200/+30.8200+130.0303/+30.8197+130.0400/+30.8198+130.0600/+30.8200+130.0800/+30.8200+130.0808/+30.8400+130.0945/+30.8429+130.0800/+30.8455+130.0600/+30.8570+130.0400/+30.8600+130.0372/+30.8668+130.0200/+30.8799+130.0000/+30.8800+129.9998/+30.8871+129.9800/+30.8949+129.9600/+30.9000+129.9498/+30.9084+129.9600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8068+130.2600/+30.8169+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3003/+30.7797+130.3000/+30.7731+130.2800/+30.7800+130.2661/+30.7863+130.2600/+30.8000+130.2480/+30.8068+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T06:00:00+09:00 2026-09-03T09:00:00+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 +30.8077+130.2600/+30.8171+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7821+130.2800/+30.7899+130.2600/+30.8000+130.2472/+30.8077+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-03T09:00:00+09:00 2026-09-03T12:00:00+09:00 降灰 70 +31.0244+129.8000/+31.0222+129.8200/+31.0208+129.8400/+31.0200+129.8426/+31.0158+129.8600/+31.0063+129.8800/+31.0000+129.8899/+30.9943+129.9000/+30.9891+129.9200/+30.9846+129.9400/+30.9800+129.9494/+30.9760+129.9600/+30.9615+129.9800/+30.9600+129.9819/+30.9536+130.0000/+30.9488+130.0200/+30.9400+130.0388/+30.9396+130.0400/+30.9200+130.0592/+30.9194+130.0600/+30.9144+130.0800/+30.9008+130.1000/+30.9000+130.1010/+30.8953+130.1200/+30.8848+130.1400/+30.8800+130.1458/+30.8747+130.1600/+30.8697+130.1800/+30.8600+130.1919/+30.8558+130.2000/+30.8506+130.2200/+30.8400+130.2358/+30.8391+130.2400/+30.8368+130.2600/+30.8322+130.2800/+30.8200+130.2925/+30.8198+130.3000/+30.8111+130.3200/+30.8000+130.3311/+30.7800+130.3227/+30.7773+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/+30.7607+130.1800/+30.7609+130.1600/+30.7612+130.1400/+30.7614+130.1200/+30.7616+130.1000/+30.7618+130.0800/+30.7621+130.0600/+30.7623+130.0400/+30.7622+130.0200/+30.7624+130.0000/+30.7600+129.9918/+30.7488+129.9800/+30.7492+129.9600/+30.7500+129.9400/+30.7514+129.9200/+30.7536+129.9000/+30.7566+129.8800/+30.7600+129.8606/+30.7600+129.8600/+30.7613+129.8400/+30.7616+129.8200/+30.7618+129.8000/+30.7610+129.7800/+30.7636+129.7600/+30.7661+129.7400/+30.7683+129.7200/+30.7709+129.7000/+30.7736+129.6800/+30.7769+129.6600/+30.7795+129.6400/+30.7800+129.6317/+30.7807+129.6200/+30.7820+129.6000/+30.7864+129.5800/+30.7921+129.5600/+30.7976+129.5400/+30.8000+129.5269/+30.8033+129.5400/+30.8112+129.5600/+30.8200+129.5774/+30.8212+129.5800/+30.8303+129.6000/+30.8327+129.6200/+30.8351+129.6400/+30.8385+129.6600/+30.8400+129.6675/+30.8422+129.6800/+30.8453+129.7000/+30.8497+129.7200/+30.8535+129.7400/+30.8570+129.7600/+30.8600+129.7790/+30.8602+129.7800/+30.8605+129.8000/+30.8635+129.8200/+30.8660+129.8400/+30.8680+129.8600/+30.8698+129.8800/+30.8665+129.9000/+30.8680+129.9200/+30.8656+129.9400/+30.8637+129.9600/+30.8625+129.9800/+30.8636+130.0000/+30.8600+130.0014/+30.8426+130.0200/+30.8400+130.0260/+30.8395+130.0400/+30.8395+130.0600/+30.8392+130.0800/+30.8390+130.1000/+30.8390+130.1200/+30.8391+130.1400/+30.8400+130.1530/+30.8452+130.1400/+30.8510+130.1200/+30.8600+130.1059/+30.8615+130.1000/+30.8662+130.0800/+30.8715+130.0600/+30.8800+130.0483/+30.8818+130.0400/+30.8896+130.0200/+30.8886+130.0000/+30.9000+129.9875/+30.9029+129.9800/+30.9052+129.9600/+30.9096+129.9400/+30.9200+129.9203/+30.9202+129.9200/+30.9270+129.9000/+30.9345+129.8800/+30.9400+129.8638/+30.9416+129.8600/+30.9539+129.8400/+30.9600+129.8312/+30.9681+129.8200/+30.9752+129.8000/+30.9800+129.7919/+30.9885+129.7800/+31.0000+129.7676/+31.0155+129.7800/+31.0200+129.7876/+31.0244+129.8000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8077+130.2600/+30.8170+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7830+130.2800/+30.7911+130.2600/+30.8000+130.2472/+30.8077+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、２日２１時から２４時までは火口から西方向、３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。 　２日１８時から３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 　０２日１８時から２１時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０２日２１時から２４時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０３日００時から０３時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０３日０３時から０６時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０３日０６時から０９時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０３日０９時から１２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。