2026-10-09T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-09T11:00:00+09:00 2026-10-09T12:00:00+09:00 2026-10-10T06:00:00+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 2026-10-09T12:00:00+09:00 2026-10-09T15:00:00+09:00 降灰 70 +30.8612+129.8000/+30.8630+129.8200/+30.8644+129.8400/+30.8648+129.8600/+30.8653+129.8800/+30.8651+129.9000/+30.8655+129.9200/+30.8679+129.9400/+30.8682+129.9600/+30.8664+129.9800/+30.8647+130.0000/+30.8600+130.0048/+30.8552+130.0200/+30.8562+130.0400/+30.8530+130.0600/+30.8509+130.0800/+30.8498+130.1000/+30.8446+130.1200/+30.8400+130.1315/+30.8397+130.1400/+30.8395+130.1600/+30.8389+130.1800/+30.8386+130.2000/+30.8378+130.2200/+30.8362+130.2400/+30.8295+130.2600/+30.8200+130.2734/+30.8200+130.2800/+30.8199+130.3000/+30.8123+130.3200/+30.8000+130.3323/+30.7800+130.3256/+30.7744+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7603+130.2200/+30.7603+130.2000/+30.7603+130.1800/+30.7601+130.1600/+30.7600+130.1400/+30.7600+130.1394/+30.7546+130.1200/+30.7551+130.1000/+30.7538+130.0800/+30.7531+130.0600/+30.7517+130.0400/+30.7553+130.0200/+30.7600+130.0066/+30.7608+130.0000/+30.7600+129.9961/+30.7504+129.9800/+30.7537+129.9600/+30.7583+129.9400/+30.7600+129.9336/+30.7631+129.9200/+30.7669+129.9000/+30.7741+129.8800/+30.7782+129.8600/+30.7800+129.8514/+30.7825+129.8400/+30.7872+129.8200/+30.7927+129.8000/+30.7970+129.7800/+30.8000+129.7707/+30.8200+129.7661/+30.8400+129.7626/+30.8548+129.7800/+30.8600+129.7919/+30.8612+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8146+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2801/+30.7799+130.2800/+30.7800+130.2798/+30.8000+130.2617/+30.8146+130.2800/ 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 +30.8401+130.0800/+30.8400+130.0834/+30.8398+130.0800/+30.8400+130.0798/+30.8401+130.0800/ +30.8256+130.1200/+30.8326+130.1400/+30.8325+130.1600/+30.8290+130.1800/+30.8265+130.2000/+30.8200+130.2171/+30.8199+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3280/+30.7720+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2534/+30.7467+130.2400/+30.7413+130.2200/+30.7407+130.2000/+30.7405+130.1800/+30.7405+130.1600/+30.7402+130.1400/+30.7400+130.1330/+30.7307+130.1200/+30.7260+130.1000/+30.7238+130.0800/+30.7226+130.0600/+30.7217+130.0400/+30.7210+130.0200/+30.7200+130.0119/+30.7077+130.0000/+30.7049+129.9800/+30.7024+129.9600/+30.7010+129.9400/+30.7004+129.9200/+30.7000+129.9187/+30.6931+129.9000/+30.6931+129.8800/+30.6926+129.8600/+30.6921+129.8400/+30.6920+129.8200/+30.6918+129.8000/+30.6864+129.7800/+30.6866+129.7600/+30.6873+129.7400/+30.6885+129.7200/+30.6900+129.7000/+30.6935+129.6800/+30.6979+129.6600/+30.7000+129.6497/+30.7200+129.6422/+30.7269+129.6400/+30.7400+129.6350/+30.7421+129.6400/+30.7517+129.6600/+30.7600+129.6765/+30.7607+129.6800/+30.7645+129.7000/+30.7699+129.7200/+30.7739+129.7400/+30.7778+129.7600/+30.7800+129.7711/+30.7816+129.7800/+30.7833+129.8000/+30.7865+129.8200/+30.7889+129.8400/+30.7910+129.8600/+30.7924+129.8800/+30.7920+129.9000/+30.7954+129.9200/+30.7967+129.9400/+30.7993+129.9600/+30.8000+129.9644/+30.8042+129.9800/+30.8000+129.9844/+30.7949+130.0000/+30.7969+130.0200/+30.7980+130.0400/+30.7987+130.0600/+30.7995+130.0800/+30.7999+130.1000/+30.8000+130.1200/+30.8000+130.1211/+30.8038+130.1200/+30.8200+130.1132/+30.8256+130.1200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8036+130.2600/+30.8169+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3170/+30.7630+130.3000/+30.7648+130.2800/+30.7766+130.2600/+30.7800+130.2538/+30.8000+130.2552/+30.8036+130.2600/ 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 +30.9001+129.9200/+30.9000+129.9202/+30.8999+129.9200/+30.9000+129.9198/+30.9001+129.9200/ +30.8012+129.9400/+30.8056+129.9600/+30.8090+129.9800/+30.8000+129.9909/+30.7976+130.0000/+30.7990+130.0200/+30.7994+130.0400/+30.7998+130.0600/+30.8000+130.0639/+30.8082+130.0800/+30.8092+130.1000/+30.8129+130.1200/+30.8166+130.1400/+30.8185+130.1600/+30.8189+130.1800/+30.8192+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8198+130.3000/+30.8000+130.3199/+30.7800+130.3198/+30.7603+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2564/+30.7438+130.2400/+30.7409+130.2200/+30.7405+130.2000/+30.7404+130.1800/+30.7403+130.1600/+30.7400+130.1454/+30.7354+130.1400/+30.7254+130.1200/+30.7230+130.1000/+30.7221+130.0800/+30.7215+130.0600/+30.7208+130.0400/+30.7200+130.0220/+30.7189+130.0200/+30.7000+130.0022/+30.6978+130.0000/+30.6942+129.9800/+30.6929+129.9600/+30.6918+129.9400/+30.6908+129.9200/+30.6869+129.9000/+30.6861+129.8800/+30.6854+129.8600/+30.6846+129.8400/+30.6833+129.8200/+30.6817+129.8000/+30.6800+129.7956/+30.6711+129.7800/+30.6711+129.7600/+30.6714+129.7400/+30.6720+129.7200/+30.6727+129.7000/+30.6740+129.6800/+30.6756+129.6600/+30.6766+129.6400/+30.6766+129.6200/+30.6765+129.6000/+30.6789+129.5800/+30.6800+129.5723/+30.6823+129.5600/+30.6881+129.5400/+30.6976+129.5200/+30.7000+129.5162/+30.7016+129.5200/+30.7092+129.5400/+30.7168+129.5600/+30.7200+129.5677/+30.7252+129.5800/+30.7340+129.6000/+30.7400+129.6165/+30.7411+129.6200/+30.7472+129.6400/+30.7544+129.6600/+30.7600+129.6740/+30.7616+129.6800/+30.7662+129.7000/+30.7718+129.7200/+30.7763+129.7400/+30.7800+129.7555/+30.7810+129.7600/+30.7855+129.7800/+30.7874+129.8000/+30.7896+129.8200/+30.7912+129.8400/+30.7930+129.8600/+30.7944+129.8800/+30.7958+129.9000/+30.7975+129.9200/+30.8000+129.9352/+30.8012+129.9400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8095+130.2600/+30.8174+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3157/+30.7643+130.3000/+30.7634+130.2800/+30.7725+130.2600/+30.7800+130.2458/+30.8000+130.2420/+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 +30.8406+129.7000/+30.8416+129.7200/+30.8424+129.7400/+30.8429+129.7600/+30.8432+129.7800/+30.8400+129.7893/+30.8382+129.8000/+30.8377+129.8200/+30.8373+129.8400/+30.8375+129.8600/+30.8377+129.8800/+30.8361+129.9000/+30.8366+129.9200/+30.8370+129.9400/+30.8370+129.9600/+30.8368+129.9800/+30.8325+130.0000/+30.8297+130.0200/+30.8279+130.0400/+30.8280+130.0600/+30.8266+130.0800/+30.8227+130.1000/+30.8218+130.1200/+30.8200+130.1274/+30.8199+130.1400/+30.8198+130.1600/+30.8199+130.1800/+30.8199+130.2000/+30.8200+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8198+130.3000/+30.8000+130.3199/+30.7800+130.3197/+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+130.1756/+30.7501+130.1600/+30.7466+130.1400/+30.7450+130.1200/+30.7443+130.1000/+30.7437+130.0800/+30.7434+130.0600/+30.7434+130.0400/+30.7429+130.0200/+30.7426+130.0000/+30.7400+129.9908/+30.7308+129.9800/+30.7304+129.9600/+30.7305+129.9400/+30.7311+129.9200/+30.7299+129.9000/+30.7270+129.8800/+30.7277+129.8600/+30.7288+129.8400/+30.7302+129.8200/+30.7319+129.8000/+30.7252+129.7800/+30.7263+129.7600/+30.7282+129.7400/+30.7311+129.7200/+30.7347+129.7000/+30.7390+129.6800/+30.7400+129.6760/+30.7454+129.6600/+30.7509+129.6400/+30.7546+129.6200/+30.7593+129.6000/+30.7600+129.5980/+30.7687+129.5800/+30.7782+129.5600/+30.7800+129.5558/+30.7866+129.5400/+30.7939+129.5200/+30.8000+129.5027/+30.8057+129.5200/+30.8112+129.5400/+30.8164+129.5600/+30.8200+129.5754/+30.8210+129.5800/+30.8248+129.6000/+30.8299+129.6200/+30.8337+129.6400/+30.8367+129.6600/+30.8388+129.6800/+30.8400+129.6942/+30.8406+129.7000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2600/+30.8175+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2874/+30.7726+130.2800/+30.7799+130.2600/+30.7800+130.2597/+30.8000+130.2420/+30.8100+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 +30.9068+130.1200/+30.9000+130.1267/+30.8894+130.1200/+30.9000+130.1046/+30.9068+130.1200/ +30.8817+129.5600/+30.8832+129.5800/+30.8841+129.6000/+30.8852+129.6200/+30.8857+129.6400/+30.8863+129.6600/+30.8869+129.6800/+30.8874+129.7000/+30.8870+129.7200/+30.8866+129.7400/+30.8869+129.7600/+30.8876+129.7800/+30.8852+129.8000/+30.8859+129.8200/+30.8866+129.8400/+30.8841+129.8600/+30.8810+129.8800/+30.8824+129.9000/+30.8800+129.9116/+30.8795+129.9200/+30.8783+129.9400/+30.8775+129.9600/+30.8770+129.9800/+30.8758+130.0000/+30.8600+130.0176/+30.8591+130.0200/+30.8582+130.0400/+30.8577+130.0600/+30.8573+130.0800/+30.8576+130.1000/+30.8553+130.1200/+30.8585+130.1400/+30.8600+130.1423/+30.8716+130.1600/+30.8687+130.1800/+30.8600+130.1919/+30.8552+130.2000/+30.8523+130.2200/+30.8434+130.2400/+30.8400+130.2439/+30.8376+130.2600/+30.8331+130.2800/+30.8200+130.2936/+30.8198+130.3000/+30.8154+130.3200/+30.8000+130.3353/+30.7800+130.3311/+30.7689+130.3200/+30.7604+130.3000/+30.7602+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7608+130.2000/+30.7611+130.1800/+30.7616+130.1600/+30.7624+130.1400/+30.7632+130.1200/+30.7637+130.1000/+30.7648+130.0800/+30.7665+130.0600/+30.7681+130.0400/+30.7696+130.0200/+30.7691+130.0000/+30.7605+129.9800/+30.7630+129.9600/+30.7662+129.9400/+30.7703+129.9200/+30.7743+129.9000/+30.7697+129.8800/+30.7714+129.8600/+30.7736+129.8400/+30.7755+129.8200/+30.7780+129.8000/+30.7763+129.7800/+30.7798+129.7600/+30.7800+129.7590/+30.7844+129.7400/+30.7906+129.7200/+30.7996+129.7000/+30.8000+129.6981/+30.8040+129.6800/+30.8081+129.6600/+30.8130+129.6400/+30.8195+129.6200/+30.8200+129.6185/+30.8271+129.6000/+30.8315+129.5800/+30.8362+129.5600/+30.8400+129.5440/+30.8430+129.5400/+30.8565+129.5200/+30.8600+129.5145/+30.8649+129.5200/+30.8767+129.5400/+30.8800+129.5518/+30.8817+129.5600/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8260+130.2800/+30.8200+130.2860/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7825+130.2800/+30.7909+130.2600/+30.8000+130.2423/+30.8094+130.2600/+30.8200+130.2738/+30.8260+130.2800/ 北西 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 +31.0278+130.0000/+31.0201+130.0200/+31.0200+130.0201/+31.0050+130.0400/+31.0000+130.0480/+30.9904+130.0600/+30.9830+130.0800/+30.9800+130.0824/+30.9660+130.1000/+30.9600+130.1064/+30.9505+130.1200/+30.9400+130.1316/+30.9349+130.1400/+30.9200+130.1593/+30.9195+130.1600/+30.9035+130.1800/+30.9000+130.1835/+30.8895+130.2000/+30.8800+130.2111/+30.8762+130.2200/+30.8600+130.2387/+30.8593+130.2400/+30.8484+130.2600/+30.8400+130.2686/+30.8380+130.2800/+30.8200+130.2991/+30.8199+130.3000/+30.8161+130.3200/+30.8000+130.3361/+30.7800+130.3324/+30.7675+130.3200/+30.7605+130.3000/+30.7603+130.2800/+30.7609+130.2600/+30.7686+130.2400/+30.7800+130.2283/+30.7801+130.2200/+30.7802+130.2000/+30.7803+130.1800/+30.7807+130.1600/+30.7816+130.1400/+30.7843+130.1200/+30.7908+130.1000/+30.8000+130.0872/+30.8004+130.0800/+30.8012+130.0600/+30.8020+130.0400/+30.8032+130.0200/+30.8058+130.0000/+30.8029+129.9800/+30.8053+129.9600/+30.8088+129.9400/+30.8147+129.9200/+30.8200+129.9039/+30.8209+129.9000/+30.8200+129.8847/+30.8195+129.8800/+30.8200+129.8781/+30.8261+129.8600/+30.8392+129.8400/+30.8400+129.8384/+30.8434+129.8200/+30.8481+129.8000/+30.8489+129.7800/+30.8558+129.7600/+30.8600+129.7473/+30.8617+129.7400/+30.8664+129.7200/+30.8721+129.7000/+30.8778+129.6800/+30.8800+129.6735/+30.8852+129.6600/+30.8937+129.6400/+30.9000+129.6269/+30.9061+129.6200/+30.9194+129.6000/+30.9200+129.5988/+30.9300+129.5800/+30.9400+129.5624/+30.9600+129.5609/+30.9673+129.5800/+30.9719+129.6000/+30.9724+129.6200/+30.9729+129.6400/+30.9719+129.6600/+30.9696+129.6800/+30.9672+129.7000/+30.9619+129.7200/+30.9600+129.7260/+30.9558+129.7400/+30.9510+129.7600/+30.9468+129.7800/+30.9430+129.8000/+30.9420+129.8200/+30.9400+129.8379/+30.9397+129.8400/+30.9342+129.8600/+30.9254+129.8800/+30.9200+129.8903/+30.9189+129.9000/+30.9180+129.9200/+30.9138+129.9400/+30.9048+129.9600/+30.9000+129.9651/+30.8981+129.9800/+30.8973+130.0000/+30.8860+130.0200/+30.8800+130.0311/+30.8793+130.0400/+30.8785+130.0600/+30.8772+130.0800/+30.8768+130.1000/+30.8800+130.1172/+30.8895+130.1000/+30.9000+130.0898/+30.9079+130.0800/+30.9200+130.0702/+30.9400+130.0653/+30.9437+130.0600/+30.9581+130.0400/+30.9600+130.0381/+30.9772+130.0200/+30.9800+130.0166/+31.0000+130.0034/+31.0043+130.0000/+31.0200+129.9928/+31.0278+130.0000/ +30.8751+130.1200/+30.8704+130.1400/+30.8600+130.1505/+30.8594+130.1400/+30.8599+130.1200/+30.8600+130.1182/+30.8751+130.1200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8238+130.2600/+30.8271+130.2800/+30.8200+130.2870/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7927+130.2600/+30.8000+130.2472/+30.8200+130.2535/+30.8238+130.2600/ 北西 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、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１２時から１０日６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１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日１５時から１８時まで　西　　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　０９日１８時から２１時まで　西　　　　　　　８０ｋｍ　　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　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１０日０３時から０６時まで　西　　　　　　　７０ｋｍ　　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。 　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。