2026-10-08T14:00:00Z 通常 気象庁本庁 気象庁 2026-10-08T23:00:00+09:00 2026-10-09T00:00:00+09:00 2026-10-09T18:00:00+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 2026-10-09T00:00:00+09:00 2026-10-09T03:00:00+09:00 降灰 70 +30.8096+130.2200/+30.8160+130.2400/+30.8190+130.2600/+30.8199+130.2800/+30.8200+130.3000/+30.8181+130.3200/+30.8000+130.3381/+30.7800+130.3371/+30.7629+130.3200/+30.7600+130.3170/+30.7430+130.3000/+30.7401+130.2800/+30.7400+130.2796/+30.7211+130.2600/+30.7200+130.2554/+30.7049+130.2400/+30.7000+130.2239/+30.6963+130.2200/+30.6845+130.2000/+30.6800+130.1840/+30.6766+130.1800/+30.6674+130.1600/+30.6663+130.1400/+30.6683+130.1200/+30.6674+130.1000/+30.6698+130.0800/+30.6726+130.0600/+30.6800+130.0414/+30.6804+130.0400/+30.6800+130.0378/+30.6736+130.0200/+30.6739+130.0000/+30.6742+129.9800/+30.6754+129.9600/+30.6782+129.9400/+30.6800+129.9328/+30.6888+129.9200/+30.7000+129.9141/+30.7200+129.9164/+30.7224+129.9200/+30.7383+129.9400/+30.7400+129.9431/+30.7489+129.9600/+30.7559+129.9800/+30.7600+129.9942/+30.7614+130.0000/+30.7697+130.0200/+30.7739+130.0400/+30.7776+130.0600/+30.7800+130.0708/+30.7839+130.0800/+30.7844+130.1000/+30.7910+130.1200/+30.7948+130.1400/+30.7969+130.1600/+30.7986+130.1800/+30.7995+130.2000/+30.8000+130.2055/+30.8096+130.2200/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8118+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3162/+30.7638+130.3000/+30.7781+130.2800/+30.7800+130.2779/+30.8000+130.2671/+30.8118+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T03:00:00+09:00 2026-10-09T06:00:00+09:00 降灰 70 +30.8195+130.2800/+30.8199+130.3000/+30.8173+130.3200/+30.8000+130.3373/+30.7800+130.3370/+30.7630+130.3200/+30.7600+130.3197/+30.7403+130.3000/+30.7400+130.2993/+30.7203+130.2800/+30.7200+130.2795/+30.7000+130.2654/+30.6943+130.2600/+30.6800+130.2501/+30.6696+130.2400/+30.6600+130.2306/+30.6487+130.2200/+30.6400+130.2069/+30.6324+130.2000/+30.6200+130.1890/+30.6108+130.1800/+30.6010+130.1600/+30.6000+130.1584/+30.5837+130.1400/+30.5800+130.1338/+30.5639+130.1200/+30.5600+130.1142/+30.5518+130.1000/+30.5400+130.0804/+30.5396+130.0800/+30.5275+130.0600/+30.5210+130.0400/+30.5200+130.0357/+30.5144+130.0200/+30.5080+130.0000/+30.5063+129.9800/+30.5036+129.9600/+30.5193+129.9400/+30.5200+129.9394/+30.5210+129.9400/+30.5400+129.9514/+30.5564+129.9600/+30.5600+129.9611/+30.5800+129.9751/+30.5843+129.9800/+30.6000+129.9956/+30.6043+130.0000/+30.6200+130.0183/+30.6215+130.0200/+30.6390+130.0400/+30.6400+130.0407/+30.6559+130.0600/+30.6600+130.0628/+30.6759+130.0800/+30.6800+130.0863/+30.6916+130.1000/+30.7000+130.1147/+30.7035+130.1200/+30.7177+130.1400/+30.7200+130.1443/+30.7321+130.1600/+30.7400+130.1712/+30.7477+130.1800/+30.7583+130.2000/+30.7600+130.2037/+30.7748+130.2200/+30.7799+130.2400/+30.7800+130.2401/+30.7995+130.2600/+30.8000+130.2605/+30.8195+130.2800/ 南西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8127+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3180/+30.7618+130.3000/+30.7661+130.2800/+30.7800+130.2651/+30.8000+130.2673/+30.8127+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T06:00:00+09:00 2026-10-09T09:00:00+09:00 降灰 70 +30.8134+130.2600/+30.8198+130.2800/+30.8199+130.3000/+30.8151+130.3200/+30.8000+130.3351/+30.7800+130.3345/+30.7655+130.3200/+30.7600+130.3194/+30.7406+130.3000/+30.7400+130.2985/+30.7214+130.2800/+30.7200+130.2777/+30.7019+130.2600/+30.7000+130.2569/+30.6826+130.2400/+30.6800+130.2361/+30.6627+130.2200/+30.6600+130.2151/+30.6459+130.2000/+30.6400+130.1887/+30.6301+130.1800/+30.6200+130.1658/+30.6166+130.1600/+30.6068+130.1400/+30.6000+130.1262/+30.5960+130.1200/+30.5840+130.1000/+30.5800+130.0926/+30.5735+130.0800/+30.5659+130.0600/+30.5600+130.0430/+30.5586+130.0400/+30.5509+130.0200/+30.5412+130.0000/+30.5400+129.9932/+30.5373+129.9800/+30.5300+129.9600/+30.5324+129.9400/+30.5400+129.9220/+30.5421+129.9200/+30.5600+129.9127/+30.5690+129.9200/+30.5800+129.9256/+30.6000+129.9317/+30.6088+129.9400/+30.6200+129.9500/+30.6297+129.9600/+30.6400+129.9698/+30.6468+129.9800/+30.6600+129.9928/+30.6695+130.0000/+30.6800+130.0098/+30.6872+130.0200/+30.6985+130.0400/+30.7000+130.0413/+30.7110+130.0600/+30.7200+130.0742/+30.7240+130.0800/+30.7360+130.1000/+30.7400+130.1098/+30.7467+130.1200/+30.7561+130.1400/+30.7594+130.1600/+30.7600+130.1612/+30.7758+130.1800/+30.7794+130.2000/+30.7800+130.2023/+30.7953+130.2200/+30.7994+130.2400/+30.8000+130.2439/+30.8134+130.2600/ 南西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8144+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3177/+30.7621+130.3000/+30.7653+130.2800/+30.7800+130.2631/+30.8000+130.2654/+30.8144+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T09:00:00+09:00 2026-10-09T12:00:00+09:00 降灰 70 +30.8228+130.2000/+30.8200+130.2187/+30.8200+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8127+130.3200/+30.8000+130.3327/+30.7800+130.3267/+30.7733+130.3200/+30.7601+130.3000/+30.7600+130.2979/+30.7422+130.2800/+30.7404+130.2600/+30.7400+130.2552/+30.7261+130.2400/+30.7212+130.2200/+30.7200+130.2144/+30.7086+130.2000/+30.7021+130.1800/+30.7000+130.1704/+30.6943+130.1600/+30.6895+130.1400/+30.6828+130.1200/+30.6827+130.1000/+30.6800+130.0815/+30.6795+130.0800/+30.6758+130.0600/+30.6708+130.0400/+30.6622+130.0200/+30.6606+130.0000/+30.6633+129.9800/+30.6628+129.9600/+30.6615+129.9400/+30.6600+129.9274/+30.6586+129.9200/+30.6562+129.9000/+30.6576+129.8800/+30.6587+129.8600/+30.6600+129.8429/+30.6603+129.8400/+30.6641+129.8200/+30.6719+129.8000/+30.6800+129.7928/+30.6931+129.8000/+30.7000+129.8060/+30.7200+129.8173/+30.7219+129.8200/+30.7330+129.8400/+30.7381+129.8600/+30.7400+129.8684/+30.7423+129.8800/+30.7478+129.9000/+30.7553+129.9200/+30.7600+129.9300/+30.7640+129.9400/+30.7718+129.9600/+30.7779+129.9800/+30.7800+129.9877/+30.7845+130.0000/+30.7918+130.0200/+30.8000+130.0308/+30.8057+130.0400/+30.8030+130.0600/+30.8116+130.0800/+30.8145+130.1000/+30.8172+130.1200/+30.8191+130.1400/+30.8194+130.1600/+30.8200+130.1800/+30.8200+130.1826/+30.8228+130.2000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3149/+30.7651+130.3000/+30.7709+130.2800/+30.7800+130.2675/+30.8000+130.2637/+30.8131+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T12:00:00+09:00 2026-10-09T15:00:00+09:00 降灰 70 +30.9022+129.7600/+30.9093+129.7800/+30.9112+129.8000/+30.9152+129.8200/+30.9134+129.8400/+30.9123+129.8600/+30.9116+129.8800/+30.9120+129.9000/+30.9135+129.9200/+30.9063+129.9400/+30.9000+129.9526/+30.8986+129.9600/+30.8964+129.9800/+30.8953+130.0000/+30.8860+130.0200/+30.8800+130.0334/+30.8794+130.0400/+30.8779+130.0600/+30.8757+130.0800/+30.8727+130.1000/+30.8637+130.1200/+30.8600+130.1247/+30.8592+130.1400/+30.8586+130.1600/+30.8574+130.1800/+30.8513+130.2000/+30.8400+130.2125/+30.8398+130.2200/+30.8397+130.2400/+30.8396+130.2600/+30.8373+130.2800/+30.8200+130.2976/+30.8200+130.3000/+30.8144+130.3200/+30.8000+130.3344/+30.7800+130.3277/+30.7723+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7610+130.2600/+30.7671+130.2400/+30.7800+130.2238/+30.7801+130.2200/+30.7804+130.2000/+30.7811+130.1800/+30.7826+130.1600/+30.7865+130.1400/+30.7939+130.1200/+30.8000+130.1054/+30.8003+130.1000/+30.8018+130.0800/+30.8031+130.0600/+30.8044+130.0400/+30.8084+130.0200/+30.8135+130.0000/+30.8086+129.9800/+30.8131+129.9600/+30.8194+129.9400/+30.8200+129.9377/+30.8236+129.9200/+30.8314+129.9000/+30.8400+129.8835/+30.8422+129.8800/+30.8476+129.8600/+30.8538+129.8400/+30.8600+129.8201/+30.8600+129.8200/+30.8681+129.8000/+30.8800+129.7852/+30.8875+129.7800/+30.8974+129.7600/+30.9000+129.7548/+30.9022+129.7600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8107+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7893+130.2800/+30.8000+130.2669/+30.8107+130.2800/ 北西 3 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 +30.8667+129.8000/+30.8659+129.8200/+30.8654+129.8400/+30.8652+129.8600/+30.8651+129.8800/+30.8719+129.9000/+30.8731+129.9200/+30.8733+129.9400/+30.8750+129.9600/+30.8780+129.9800/+30.8776+130.0000/+30.8764+130.0200/+30.8600+130.0379/+30.8594+130.0400/+30.8600+130.0455/+30.8644+130.0600/+30.8610+130.0800/+30.8600+130.0837/+30.8555+130.1000/+30.8515+130.1200/+30.8501+130.1400/+30.8470+130.1600/+30.8404+130.1800/+30.8400+130.1805/+30.8375+130.2000/+30.8367+130.2200/+30.8358+130.2400/+30.8296+130.2600/+30.8200+130.2718/+30.8200+130.2800/+30.8199+130.3000/+30.8126+130.3200/+30.8000+130.3326/+30.7800+130.3257/+30.7743+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7602+130.1800/+30.7600+130.1636/+30.7580+130.1600/+30.7533+130.1400/+30.7493+130.1200/+30.7497+130.1000/+30.7497+130.0800/+30.7499+130.0600/+30.7508+130.0400/+30.7543+130.0200/+30.7549+130.0000/+30.7478+129.9800/+30.7508+129.9600/+30.7547+129.9400/+30.7591+129.9200/+30.7600+129.9172/+30.7648+129.9000/+30.7765+129.8800/+30.7800+129.8612/+30.7803+129.8600/+30.7850+129.8400/+30.7929+129.8200/+30.8000+129.8046/+30.8058+129.8000/+30.8200+129.7911/+30.8400+129.7806/+30.8600+129.7898/+30.8667+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8150+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7834+130.2800/+30.8000+130.2613/+30.8150+130.2800/ 北西 3 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。 　９日０時から９日１８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００時から０３時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０９日０３時から０６時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日０６時から０９時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　 　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。