2026-10-11T14:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T23:00:00+09:00 2026-10-12T00:00:00+09:00 2026-10-12T18:00:00+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、１２日０９時から１２時までは火口から北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 2026-10-12T00:00:00+09:00 2026-10-12T03:00:00+09:00 降灰 70 +30.9436+129.8400/+30.9431+129.8600/+30.9429+129.8800/+30.9403+129.9000/+30.9400+129.9025/+30.9380+129.9200/+30.9313+129.9400/+30.9274+129.9600/+30.9225+129.9800/+30.9200+129.9870/+30.9166+130.0000/+30.9000+130.0194/+30.8999+130.0200/+30.8969+130.0400/+30.8929+130.0600/+30.8819+130.0800/+30.8800+130.0830/+30.8785+130.1000/+30.8765+130.1200/+30.8709+130.1400/+30.8600+130.1534/+30.8595+130.1600/+30.8589+130.1800/+30.8571+130.2000/+30.8400+130.2200/+30.8398+130.2400/+30.8398+130.2600/+30.8391+130.2800/+30.8200+130.2991/+30.8200+130.3000/+30.8165+130.3200/+30.8000+130.3365/+30.7800+130.3317/+30.7683+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7718+130.2600/+30.7800+130.2518/+30.7801+130.2400/+30.7804+130.2200/+30.7814+130.2000/+30.7850+130.1800/+30.8000+130.1608/+30.8001+130.1600/+30.8008+130.1400/+30.8022+130.1200/+30.8050+130.1000/+30.8113+130.0800/+30.8200+130.0662/+30.8209+130.0600/+30.8220+130.0400/+30.8262+130.0200/+30.8327+130.0000/+30.8369+129.9800/+30.8400+129.9752/+30.8435+129.9600/+30.8490+129.9400/+30.8570+129.9200/+30.8600+129.9119/+30.8658+129.9000/+30.8742+129.8800/+30.8800+129.8715/+30.8908+129.8600/+30.9000+129.8465/+30.9035+129.8400/+30.9152+129.8200/+30.9200+129.8159/+30.9318+129.8200/+30.9400+129.8303/+30.9436+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8045+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7955+130.2800/+30.8000+130.2744/+30.8045+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T03:00:00+09:00 2026-10-12T06:00:00+09:00 降灰 70 +30.9206+129.8200/+30.9336+129.8400/+30.9357+129.8600/+30.9371+129.8800/+30.9360+129.9000/+30.9348+129.9200/+30.9272+129.9400/+30.9220+129.9600/+30.9200+129.9656/+30.9167+129.9800/+30.9111+130.0000/+30.9000+130.0149/+30.8989+130.0200/+30.8949+130.0400/+30.8888+130.0600/+30.8800+130.0746/+30.8794+130.0800/+30.8782+130.1000/+30.8744+130.1200/+30.8655+130.1400/+30.8600+130.1465/+30.8591+130.1600/+30.8584+130.1800/+30.8557+130.2000/+30.8400+130.2189/+30.8400+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8386+130.2800/+30.8200+130.2986/+30.8200+130.3000/+30.8168+130.3200/+30.8000+130.3368/+30.7800+130.3326/+30.7674+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7655+130.2600/+30.7800+130.2453/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7830+130.1800/+30.7882+130.1600/+30.8000+130.1432/+30.8003+130.1400/+30.8012+130.1200/+30.8028+130.1000/+30.8053+130.0800/+30.8102+130.0600/+30.8200+130.0411/+30.8202+130.0400/+30.8220+130.0200/+30.8259+130.0000/+30.8246+129.9800/+30.8342+129.9600/+30.8400+129.9515/+30.8444+129.9400/+30.8526+129.9200/+30.8593+129.9000/+30.8600+129.8979/+30.8691+129.8800/+30.8765+129.8600/+30.8800+129.8525/+30.8940+129.8400/+30.9000+129.8351/+30.9193+129.8200/+30.9200+129.8196/+30.9206+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8027+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7973+130.2800/+30.8000+130.2766/+30.8027+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T06:00:00+09:00 2026-10-12T09:00:00+09:00 降灰 70 +30.9673+129.8200/+30.9704+129.8400/+30.9664+129.8600/+30.9628+129.8800/+30.9600+129.8878/+30.9569+129.9000/+30.9539+129.9200/+30.9482+129.9400/+30.9423+129.9600/+30.9400+129.9660/+30.9365+129.9800/+30.9318+130.0000/+30.9264+130.0200/+30.9200+130.0264/+30.9112+130.0400/+30.9000+130.0557/+30.8991+130.0600/+30.8960+130.0800/+30.8877+130.1000/+30.8800+130.1105/+30.8790+130.1200/+30.8769+130.1400/+30.8697+130.1600/+30.8600+130.1722/+30.8596+130.1800/+30.8586+130.2000/+30.8544+130.2200/+30.8400+130.2351/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8200+130.3000/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3295/+30.7705+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7749+130.2600/+30.7800+130.2549/+30.7801+130.2400/+30.7804+130.2200/+30.7817+130.2000/+30.7883+130.1800/+30.8000+130.1657/+30.8004+130.1600/+30.8013+130.1400/+30.8037+130.1200/+30.8091+130.1000/+30.8200+130.0812/+30.8202+130.0800/+30.8228+130.0600/+30.8261+130.0400/+30.8353+130.0200/+30.8400+130.0102/+30.8416+130.0000/+30.8440+129.9800/+30.8489+129.9600/+30.8563+129.9400/+30.8600+129.9326/+30.8679+129.9200/+30.8778+129.9000/+30.8800+129.8967/+30.8916+129.8800/+30.9000+129.8603/+30.9001+129.8600/+30.9104+129.8400/+30.9200+129.8232/+30.9299+129.8200/+30.9400+129.8146/+30.9600+129.8073/+30.9673+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8051+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7949+130.2800/+30.8000+130.2737/+30.8051+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T09:00:00+09:00 2026-10-12T12:00:00+09:00 降灰 70 +31.0009+129.8200/+31.0156+129.8400/+31.0143+129.8600/+31.0096+129.8800/+31.0027+129.9000/+31.0000+129.9070/+30.9974+129.9200/+30.9911+129.9400/+30.9813+129.9600/+30.9800+129.9622/+30.9712+129.9800/+30.9600+129.9947/+30.9583+130.0000/+30.9527+130.0200/+30.9444+130.0400/+30.9400+130.0443/+30.9246+130.0600/+30.9200+130.0661/+30.9165+130.0800/+30.9078+130.1000/+30.9000+130.1094/+30.8979+130.1200/+30.8896+130.1400/+30.8800+130.1515/+30.8791+130.1600/+30.8757+130.1800/+30.8600+130.1981/+30.8598+130.2000/+30.8591+130.2200/+30.8520+130.2400/+30.8400+130.2520/+30.8399+130.2600/+30.8397+130.2800/+30.8200+130.3000/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3283/+30.7717+130.3200/+30.7602+130.3000/+30.7606+130.2800/+30.7800+130.2606/+30.7801+130.2600/+30.7802+130.2400/+30.7816+130.2200/+30.8000+130.2007/+30.8001+130.2000/+30.8008+130.1800/+30.8032+130.1600/+30.8174+130.1400/+30.8200+130.1369/+30.8215+130.1200/+30.8255+130.1000/+30.8400+130.0802/+30.8400+130.0800/+30.8436+130.0600/+30.8506+130.0400/+30.8600+130.0268/+30.8621+130.0200/+30.8612+130.0000/+30.8725+129.9800/+30.8800+129.9649/+30.8821+129.9600/+30.8947+129.9400/+30.9000+129.9342/+30.9081+129.9200/+30.9162+129.9000/+30.9200+129.8969/+30.9366+129.8800/+30.9400+129.8734/+30.9491+129.8600/+30.9600+129.8490/+30.9754+129.8400/+30.9800+129.8354/+30.9992+129.8200/+31.0000+129.8190/+31.0009+129.8200/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8093+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7919+130.2800/+30.8000+130.2704/+30.8093+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T12:00:00+09:00 2026-10-12T15:00:00+09:00 降灰 70 +30.9973+129.8600/+30.9988+129.8800/+30.9904+129.9000/+30.9871+129.9200/+30.9809+129.9400/+30.9800+129.9416/+30.9713+129.9600/+30.9600+129.9761/+30.9587+129.9800/+30.9541+130.0000/+30.9491+130.0200/+30.9400+130.0383/+30.9392+130.0400/+30.9204+130.0600/+30.9200+130.0605/+30.9151+130.0800/+30.9038+130.1000/+30.9000+130.1050/+30.8973+130.1200/+30.8897+130.1400/+30.8800+130.1527/+30.8790+130.1600/+30.8754+130.1800/+30.8600+130.1980/+30.8598+130.2000/+30.8587+130.2200/+30.8518+130.2400/+30.8400+130.2520/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8171+130.3200/+30.8000+130.3371/+30.7800+130.3322/+30.7678+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7802+130.2400/+30.7811+130.2200/+30.7886+130.2000/+30.8000+130.1875/+30.8005+130.1800/+30.8021+130.1600/+30.8070+130.1400/+30.8200+130.1220/+30.8204+130.1200/+30.8230+130.1000/+30.8301+130.0800/+30.8400+130.0632/+30.8405+130.0600/+30.8455+130.0400/+30.8524+130.0200/+30.8541+130.0000/+30.8600+129.9898/+30.8661+129.9800/+30.8766+129.9600/+30.8800+129.9547/+30.8892+129.9400/+30.9000+129.9279/+30.9062+129.9200/+30.9122+129.9000/+30.9200+129.8917/+30.9360+129.8800/+30.9400+129.8747/+30.9523+129.8600/+30.9600+129.8519/+30.9800+129.8524/+30.9973+129.8600/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8037+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7968+130.2800/+30.8000+130.2760/+30.8037+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-12T15:00:00+09:00 2026-10-12T18:00:00+09:00 降灰 70 +30.9921+129.9200/+30.9896+129.9400/+30.9872+129.9600/+30.9800+129.9741/+30.9779+129.9800/+30.9713+130.0000/+30.9600+130.0192/+30.9598+130.0200/+30.9519+130.0400/+30.9400+130.0532/+30.9350+130.0600/+30.9222+130.0800/+30.9200+130.0826/+30.9144+130.1000/+30.9035+130.1200/+30.9000+130.1245/+30.8958+130.1400/+30.8814+130.1600/+30.8800+130.1615/+30.8762+130.1800/+30.8600+130.1996/+30.8599+130.2000/+30.8587+130.2200/+30.8506+130.2400/+30.8400+130.2508/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8180+130.3200/+30.8000+130.3380/+30.7800+130.3349/+30.7651+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7802+130.2400/+30.7809+130.2200/+30.7854+130.2000/+30.8000+130.1826/+30.8003+130.1800/+30.8019+130.1600/+30.8068+130.1400/+30.8200+130.1227/+30.8206+130.1200/+30.8244+130.1000/+30.8298+130.0800/+30.8400+130.0631/+30.8411+130.0600/+30.8503+130.0400/+30.8600+130.0226/+30.8609+130.0200/+30.8641+130.0000/+30.8800+129.9808/+30.8806+129.9800/+30.8933+129.9600/+30.9000+129.9520/+30.9095+129.9400/+30.9200+129.9251/+30.9289+129.9200/+30.9400+129.9111/+30.9555+129.9000/+30.9600+129.8971/+30.9702+129.9000/+30.9800+129.9048/+30.9921+129.9200/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2800/+30.8188+130.3000/ 北西 1 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、１２日０９時から１２時までは火口から北西方向に降灰が予想されます。 　１２日０時から１２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 　１２日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１２時から１５時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日１５時から１８時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　 　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。