2026-08-10T02:00:00Z 通常 気象庁本庁 気象庁 2026-08-10T11:00:00+09:00 2026-08-10T12:00:00+09:00 2026-08-11T06:00:00+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、１０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 2026-08-10T12:00:00+09:00 2026-08-10T15:00:00+09:00 降灰 70 +30.9644+129.6200/+30.9707+129.6400/+30.9731+129.6600/+30.9737+129.6800/+30.9743+129.7000/+30.9707+129.7200/+30.9665+129.7400/+30.9613+129.7600/+30.9600+129.7640/+30.9544+129.7800/+30.9492+129.8000/+30.9471+129.8200/+30.9449+129.8400/+30.9411+129.8600/+30.9400+129.8646/+30.9353+129.8800/+30.9270+129.9000/+30.9246+129.9200/+30.9200+129.9297/+30.9176+129.9400/+30.9096+129.9600/+30.9000+129.9720/+30.8990+129.9800/+30.8977+130.0000/+30.8851+130.0200/+30.8800+130.0273/+30.8790+130.0400/+30.8778+130.0600/+30.8758+130.0800/+30.8681+130.1000/+30.8600+130.1099/+30.8595+130.1200/+30.8591+130.1400/+30.8583+130.1600/+30.8547+130.1800/+30.8400+130.1962/+30.8399+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8395+130.2600/+30.8331+130.2800/+30.8200+130.2931/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7602+130.2800/+30.7622+130.2600/+30.7800+130.2419/+30.7801+130.2400/+30.7802+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7834+130.1600/+30.7938+130.1400/+30.8000+130.1315/+30.8004+130.1200/+30.8012+130.1000/+30.8028+130.0800/+30.8060+130.0600/+30.8165+130.0400/+30.8200+130.0341/+30.8209+130.0200/+30.8230+130.0000/+30.8200+129.9863/+30.8143+129.9800/+30.8200+129.9653/+30.8216+129.9600/+30.8313+129.9400/+30.8400+129.9289/+30.8417+129.9200/+30.8444+129.9000/+30.8465+129.8800/+30.8489+129.8600/+30.8523+129.8400/+30.8569+129.8200/+30.8600+129.8111/+30.8656+129.8000/+30.8696+129.7800/+30.8749+129.7600/+30.8800+129.7430/+30.8811+129.7400/+30.8881+129.7200/+30.8986+129.7000/+30.9000+129.6975/+30.9114+129.6800/+30.9200+129.6632/+30.9214+129.6600/+30.9296+129.6400/+30.9390+129.6200/+30.9400+129.6180/+30.9600+129.6119/+30.9644+129.6200/ 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/+30.7858+130.2800/+30.8000+130.2621/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T15:00:00+09:00 2026-08-10T18:00:00+09:00 降灰 70 +30.9637+129.6200/+30.9659+129.6400/+30.9671+129.6600/+30.9678+129.6800/+30.9684+129.7000/+30.9634+129.7200/+30.9600+129.7318/+30.9565+129.7400/+30.9502+129.7600/+30.9454+129.7800/+30.9416+129.8000/+30.9429+129.8200/+30.9401+129.8400/+30.9400+129.8407/+30.9351+129.8600/+30.9271+129.8800/+30.9200+129.8913/+30.9184+129.9000/+30.9172+129.9200/+30.9088+129.9400/+30.9000+129.9521/+30.8989+129.9600/+30.8972+129.9800/+30.8962+130.0000/+30.8800+130.0181/+30.8793+130.0200/+30.8777+130.0400/+30.8759+130.0600/+30.8715+130.0800/+30.8600+130.0955/+30.8597+130.1000/+30.8592+130.1200/+30.8585+130.1400/+30.8568+130.1600/+30.8468+130.1800/+30.8400+130.1873/+30.8398+130.2000/+30.8398+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8291+130.2800/+30.8200+130.2891/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7602+130.2800/+30.7615+130.2600/+30.7800+130.2410/+30.7800+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7807+130.1800/+30.7819+130.1600/+30.7867+130.1400/+30.8000+130.1222/+30.8001+130.1200/+30.8008+130.1000/+30.8016+130.0800/+30.8034+130.0600/+30.8088+130.0400/+30.8184+130.0200/+30.8200+130.0169/+30.8210+130.0000/+30.8200+129.9937/+30.8097+129.9800/+30.8147+129.9600/+30.8200+129.9473/+30.8225+129.9400/+30.8368+129.9200/+30.8400+129.9148/+30.8421+129.9000/+30.8442+129.8800/+30.8471+129.8600/+30.8509+129.8400/+30.8545+129.8200/+30.8600+129.8008/+30.8603+129.8000/+30.8670+129.7800/+30.8712+129.7600/+30.8765+129.7400/+30.8800+129.7300/+30.8844+129.7200/+30.8971+129.7000/+30.9000+129.6949/+30.9141+129.6800/+30.9200+129.6714/+30.9261+129.6600/+30.9334+129.6400/+30.9391+129.6200/+30.9400+129.6167/+30.9600+129.6011/+30.9637+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8137+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7863+130.2800/+30.8000+130.2621/+30.8137+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T18:00:00+09:00 2026-08-10T21:00:00+09:00 降灰 70 +30.9505+129.7000/+30.9489+129.7200/+30.9480+129.7400/+30.9464+129.7600/+30.9443+129.7800/+30.9428+129.8000/+30.9439+129.8200/+30.9421+129.8400/+30.9400+129.8495/+30.9372+129.8600/+30.9295+129.8800/+30.9201+129.9000/+30.9200+129.9006/+30.9193+129.9200/+30.9163+129.9400/+30.9106+129.9600/+30.9000+129.9754/+30.8993+129.9800/+30.8977+130.0000/+30.8897+130.0200/+30.8800+130.0348/+30.8794+130.0400/+30.8782+130.0600/+30.8769+130.0800/+30.8724+130.1000/+30.8600+130.1167/+30.8598+130.1200/+30.8592+130.1400/+30.8587+130.1600/+30.8571+130.1800/+30.8415+130.2000/+30.8400+130.2015/+30.8398+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8369+130.2800/+30.8200+130.2970/+30.8199+130.3000/+30.8090+130.3200/+30.8000+130.3290/+30.7841+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7640+130.2600/+30.7800+130.2439/+30.7801+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7818+130.1800/+30.7889+130.1600/+30.8000+130.1457/+30.8003+130.1400/+30.8009+130.1200/+30.8019+130.1000/+30.8046+130.0800/+30.8102+130.0600/+30.8200+130.0459/+30.8206+130.0400/+30.8218+130.0200/+30.8241+130.0000/+30.8200+129.9825/+30.8177+129.9800/+30.8200+129.9733/+30.8235+129.9600/+30.8326+129.9400/+30.8400+129.9292/+30.8418+129.9200/+30.8448+129.9000/+30.8477+129.8800/+30.8506+129.8600/+30.8545+129.8400/+30.8585+129.8200/+30.8600+129.8140/+30.8646+129.8000/+30.8709+129.7800/+30.8761+129.7600/+30.8800+129.7473/+30.8826+129.7400/+30.8916+129.7200/+30.9000+129.7068/+30.9200+129.7010/+30.9217+129.7000/+30.9400+129.6800/+30.9505+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8119+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7881+130.2800/+30.8000+130.2651/+30.8119+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T21:00:00+09:00 2026-08-11T00:00:00+09:00 降灰 70 +30.9624+129.7600/+30.9622+129.7800/+30.9620+129.8000/+30.9600+129.8047/+30.9549+129.8200/+30.9533+129.8400/+30.9504+129.8600/+30.9483+129.8800/+30.9456+129.9000/+30.9427+129.9200/+30.9400+129.9246/+30.9332+129.9400/+30.9296+129.9600/+30.9247+129.9800/+30.9200+129.9939/+30.9185+130.0000/+30.9022+130.0200/+30.9000+130.0216/+30.8979+130.0400/+30.8943+130.0600/+30.8839+130.0800/+30.8800+130.0855/+30.8788+130.1000/+30.8769+130.1200/+30.8719+130.1400/+30.8600+130.1543/+30.8596+130.1600/+30.8590+130.1800/+30.8575+130.2000/+30.8427+130.2200/+30.8400+130.2227/+30.8398+130.2400/+30.8398+130.2600/+30.8388+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8146+130.3200/+30.8000+130.3346/+30.7800+130.3269/+30.7731+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7646+130.2600/+30.7800+130.2444/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7837+130.1800/+30.7939+130.1600/+30.8000+130.1513/+30.8006+130.1400/+30.8019+130.1200/+30.8050+130.1000/+30.8123+130.0800/+30.8200+130.0684/+30.8212+130.0600/+30.8234+130.0400/+30.8271+130.0200/+30.8348+130.0000/+30.8400+129.9867/+30.8410+129.9800/+30.8439+129.9600/+30.8477+129.9400/+30.8532+129.9200/+30.8600+129.9036/+30.8617+129.9000/+30.8644+129.8800/+30.8730+129.8600/+30.8800+129.8496/+30.8847+129.8400/+30.8918+129.8200/+30.9000+129.8019/+30.9041+129.8000/+30.9200+129.7821/+30.9215+129.7800/+30.9308+129.7600/+30.9389+129.7400/+30.9400+129.7379/+30.9512+129.7400/+30.9600+129.7441/+30.9624+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8123+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7877+130.2800/+30.8000+130.2656/+30.8123+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-11T00:00:00+09:00 2026-08-11T03:00:00+09:00 降灰 70 +30.9725+129.8200/+30.9769+129.8400/+30.9756+129.8600/+30.9746+129.8800/+30.9681+129.9000/+30.9600+129.9185/+30.9596+129.9200/+30.9532+129.9400/+30.9484+129.9600/+30.9402+129.9800/+30.9400+129.9803/+30.9353+130.0000/+30.9311+130.0200/+30.9200+130.0308/+30.9149+130.0400/+30.9073+130.0600/+30.9000+130.0700/+30.8983+130.0800/+30.8953+130.1000/+30.8800+130.1199/+30.8800+130.1200/+30.8784+130.1400/+30.8755+130.1600/+30.8600+130.1790/+30.8599+130.1800/+30.8592+130.2000/+30.8572+130.2200/+30.8400+130.2382/+30.8399+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3296/+30.7704+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7802+130.2400/+30.7807+130.2200/+30.7839+130.2000/+30.8000+130.1813/+30.8001+130.1800/+30.8010+130.1600/+30.8029+130.1400/+30.8094+130.1200/+30.8200+130.1051/+30.8208+130.1000/+30.8236+130.0800/+30.8289+130.0600/+30.8400+130.0413/+30.8403+130.0400/+30.8438+130.0200/+30.8456+130.0000/+30.8508+129.9800/+30.8582+129.9600/+30.8600+129.9562/+30.8665+129.9400/+30.8780+129.9200/+30.8800+129.9158/+30.8865+129.9000/+30.8956+129.8800/+30.9000+129.8665/+30.9027+129.8600/+30.9149+129.8400/+30.9200+129.8325/+30.9372+129.8200/+30.9400+129.8169/+30.9600+129.8050/+30.9725+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7900+130.2800/+30.8000+130.2680/+30.8100+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-11T03:00:00+09:00 2026-08-11T06:00:00+09:00 降灰 70 +30.9205+129.8200/+30.9238+129.8400/+30.9276+129.8600/+30.9301+129.8800/+30.9249+129.9000/+30.9200+129.9149/+30.9193+129.9200/+30.9172+129.9400/+30.9139+129.9600/+30.9078+129.9800/+30.9024+130.0000/+30.9000+130.0026/+30.8962+130.0200/+30.8924+130.0400/+30.8870+130.0600/+30.8800+130.0776/+30.8798+130.0800/+30.8769+130.1000/+30.8743+130.1200/+30.8621+130.1400/+30.8600+130.1424/+30.8589+130.1600/+30.8582+130.1800/+30.8557+130.2000/+30.8400+130.2194/+30.8400+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8385+130.2800/+30.8200+130.2989/+30.8200+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3327/+30.7673+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7612+130.2600/+30.7686+130.2400/+30.7800+130.2252/+30.7801+130.2200/+30.7806+130.2000/+30.7814+130.1800/+30.7831+130.1600/+30.7870+130.1400/+30.7943+130.1200/+30.8000+130.1090/+30.8009+130.1000/+30.8026+130.0800/+30.8047+130.0600/+30.8099+130.0400/+30.8153+130.0200/+30.8200+130.0041/+30.8206+130.0000/+30.8207+129.9800/+30.8265+129.9600/+30.8352+129.9400/+30.8400+129.9307/+30.8438+129.9200/+30.8495+129.9000/+30.8568+129.8800/+30.8600+129.8687/+30.8630+129.8600/+30.8725+129.8400/+30.8800+129.8276/+30.9000+129.8255/+30.9167+129.8200/+30.9200+129.8193/+30.9205+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8074+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7926+130.2800/+30.8000+130.2712/+30.8074+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、１０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。 　１０日１２時から１１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 　１０日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６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。