2026-10-11T08:00:00Z 通常 気象庁本庁 気象庁 2026-10-11T17:00:00+09:00 2026-10-11T18:00:00+09:00 2026-10-12T12:00:00+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、１１日２１時から２４時までは火口から西方向、１２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 2026-10-11T18:00:00+09:00 2026-10-11T21:00:00+09:00 降灰 70 +30.9696+129.7600/+30.9733+129.7800/+30.9751+129.8000/+30.9727+129.8200/+30.9664+129.8400/+30.9600+129.8530/+30.9580+129.8600/+30.9540+129.8800/+30.9506+129.9000/+30.9474+129.9200/+30.9400+129.9329/+30.9366+129.9400/+30.9319+129.9600/+30.9258+129.9800/+30.9200+129.9969/+30.9192+130.0000/+30.9000+130.0173/+30.8993+130.0200/+30.8967+130.0400/+30.8916+130.0600/+30.8800+130.0770/+30.8796+130.0800/+30.8782+130.1000/+30.8761+130.1200/+30.8667+130.1400/+30.8600+130.1476/+30.8594+130.1600/+30.8587+130.1800/+30.8564+130.2000/+30.8400+130.2190/+30.8400+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8386+130.2800/+30.8200+130.2987/+30.8200+130.3000/+30.8124+130.3200/+30.8000+130.3324/+30.7800+130.3222/+30.7778+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7631+130.2600/+30.7800+130.2425/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7826+130.1800/+30.7903+130.1600/+30.8000+130.1479/+30.8005+130.1400/+30.8017+130.1200/+30.8035+130.1000/+30.8103+130.0800/+30.8200+130.0646/+30.8206+130.0600/+30.8233+130.0400/+30.8270+130.0200/+30.8380+130.0000/+30.8400+129.9862/+30.8402+129.9800/+30.8433+129.9600/+30.8476+129.9400/+30.8546+129.9200/+30.8600+129.9075/+30.8630+129.9000/+30.8665+129.8800/+30.8800+129.8605/+30.8803+129.8600/+30.8903+129.8400/+30.8955+129.8200/+30.9000+129.8070/+30.9074+129.8000/+30.9200+129.7840/+30.9225+129.7800/+30.9348+129.7600/+30.9400+129.7513/+30.9600+129.7437/+30.9696+129.7600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8098+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7902+130.2800/+30.8000+130.2679/+30.8098+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T21:00:00+09:00 2026-10-12T00:00:00+09:00 降灰 70 +30.9405+129.8200/+30.9400+129.8225/+30.9366+129.8400/+30.9329+129.8600/+30.9293+129.8800/+30.9228+129.9000/+30.9200+129.9141/+30.9196+129.9200/+30.9161+129.9400/+30.9106+129.9600/+30.9000+129.9790/+30.8998+129.9800/+30.8975+130.0000/+30.8906+130.0200/+30.8800+130.0384/+30.8798+130.0400/+30.8780+130.0600/+30.8760+130.0800/+30.8698+130.1000/+30.8600+130.1137/+30.8596+130.1200/+30.8589+130.1400/+30.8580+130.1600/+30.8551+130.1800/+30.8400+130.1983/+30.8399+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8362+130.2800/+30.8200+130.2962/+30.8200+130.3000/+30.8142+130.3200/+30.8000+130.3342/+30.7800+130.3272/+30.7728+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7628+130.2600/+30.7800+130.2425/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7813+130.1800/+30.7839+130.1600/+30.7914+130.1400/+30.8000+130.1275/+30.8004+130.1200/+30.8014+130.1000/+30.8027+130.0800/+30.8057+130.0600/+30.8108+130.0400/+30.8192+130.0200/+30.8200+130.0181/+30.8217+130.0000/+30.8200+129.9872/+30.8160+129.9800/+30.8200+129.9676/+30.8218+129.9600/+30.8288+129.9400/+30.8400+129.9237/+30.8414+129.9200/+30.8454+129.9000/+30.8520+129.8800/+30.8582+129.8600/+30.8600+129.8553/+30.8669+129.8400/+30.8747+129.8200/+30.8800+129.8104/+30.8877+129.8000/+30.8950+129.7800/+30.9000+129.7724/+30.9200+129.7799/+30.9202+129.7800/+30.9390+129.8000/+30.9400+129.8072/+30.9405+129.8200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8075+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7925+130.2800/+30.8000+130.2707/+30.8075+130.2800/ 北西 3 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 +30.9604+129.8400/+30.9600+129.8407/+30.9462+129.8600/+30.9444+129.8800/+30.9452+129.9000/+30.9456+129.9200/+30.9400+129.9335/+30.9376+129.9400/+30.9331+129.9600/+30.9297+129.9800/+30.9243+130.0000/+30.9200+130.0127/+30.9178+130.0200/+30.9021+130.0400/+30.9000+130.0434/+30.8976+130.0600/+30.8922+130.0800/+30.8800+130.0995/+30.8799+130.1000/+30.8778+130.1200/+30.8747+130.1400/+30.8600+130.1587/+30.8599+130.1600/+30.8591+130.1800/+30.8579+130.2000/+30.8479+130.2200/+30.8400+130.2280/+30.8398+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8165+130.3200/+30.8000+130.3365/+30.7800+130.3318/+30.7682+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7777+130.2600/+30.7800+130.2577/+30.7801+130.2400/+30.7804+130.2200/+30.7818+130.2000/+30.7892+130.1800/+30.8000+130.1664/+30.8004+130.1600/+30.8014+130.1400/+30.8035+130.1200/+30.8089+130.1000/+30.8200+130.0846/+30.8207+130.0800/+30.8229+130.0600/+30.8262+130.0400/+30.8301+130.0200/+30.8400+130.0052/+30.8417+130.0000/+30.8433+129.9800/+30.8478+129.9600/+30.8550+129.9400/+30.8600+129.9314/+30.8685+129.9200/+30.8794+129.9000/+30.8800+129.8989/+30.8946+129.8800/+30.9000+129.8677/+30.9037+129.8600/+30.9143+129.8400/+30.9200+129.8292/+30.9400+129.8329/+30.9600+129.8390/+30.9604+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8042+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7958+130.2800/+30.8000+130.2748/+30.8042+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 +30.9069+129.8800/+30.9095+129.9000/+30.9114+129.9200/+30.9105+129.9400/+30.9079+129.9600/+30.9029+129.9800/+30.9000+129.9843/+30.8968+130.0000/+30.8884+130.0200/+30.8817+130.0400/+30.8800+130.0432/+30.8782+130.0600/+30.8756+130.0800/+30.8712+130.1000/+30.8600+130.1170/+30.8597+130.1200/+30.8590+130.1400/+30.8577+130.1600/+30.8551+130.1800/+30.8409+130.2000/+30.8400+130.2010/+30.8397+130.2200/+30.8397+130.2400/+30.8395+130.2600/+30.8357+130.2800/+30.8200+130.2957/+30.8200+130.3000/+30.8170+130.3200/+30.8000+130.3370/+30.7800+130.3333/+30.7667+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7614+130.2600/+30.7800+130.2405/+30.7800+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7811+130.1800/+30.7827+130.1600/+30.7854+130.1400/+30.7904+130.1200/+30.8000+130.1031/+30.8003+130.1000/+30.8014+130.0800/+30.8036+130.0600/+30.8051+130.0400/+30.8117+130.0200/+30.8156+130.0000/+30.8125+129.9800/+30.8197+129.9600/+30.8200+129.9593/+30.8264+129.9400/+30.8380+129.9200/+30.8400+129.9171/+30.8491+129.9000/+30.8600+129.8836/+30.8641+129.8800/+30.8757+129.8600/+30.8800+129.8546/+30.8926+129.8600/+30.9000+129.8665/+30.9069+129.8800/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8024+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7976+130.2800/+30.8000+130.2769/+30.8024+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 +30.9402+129.8600/+30.9426+129.8800/+30.9410+129.9000/+30.9400+129.9153/+30.9397+129.9200/+30.9315+129.9400/+30.9273+129.9600/+30.9238+129.9800/+30.9200+129.9912/+30.9180+130.0000/+30.9000+130.0198/+30.8999+130.0200/+30.8971+130.0400/+30.8926+130.0600/+30.8868+130.0800/+30.8800+130.0890/+30.8784+130.1000/+30.8758+130.1200/+30.8669+130.1400/+30.8600+130.1493/+30.8595+130.1600/+30.8585+130.1800/+30.8555+130.2000/+30.8400+130.2177/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8382+130.2800/+30.8200+130.2982/+30.8200+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3318/+30.7682+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7638+130.2600/+30.7800+130.2435/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7828+130.1800/+30.7910+130.1600/+30.8000+130.1463/+30.8004+130.1400/+30.8013+130.1200/+30.8032+130.1000/+30.8076+130.0800/+30.8149+130.0600/+30.8200+130.0494/+30.8212+130.0400/+30.8241+130.0200/+30.8287+130.0000/+30.8307+129.9800/+30.8400+129.9641/+30.8411+129.9600/+30.8469+129.9400/+30.8575+129.9200/+30.8600+129.9136/+30.8666+129.9000/+30.8762+129.8800/+30.8800+129.8718/+30.8900+129.8600/+30.9000+129.8488/+30.9083+129.8400/+30.9183+129.8200/+30.9200+129.8186/+30.9229+129.8200/+30.9338+129.8400/+30.9400+129.8588/+30.9402+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8044+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7956+130.2800/+30.8000+130.2746/+30.8044+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 +30.9436+129.8400/+30.9489+129.8600/+30.9512+129.8800/+30.9475+129.9000/+30.9452+129.9200/+30.9400+129.9332/+30.9377+129.9400/+30.9343+129.9600/+30.9314+129.9800/+30.9248+130.0000/+30.9200+130.0114/+30.9157+130.0200/+30.9000+130.0363/+30.8994+130.0400/+30.8956+130.0600/+30.8914+130.0800/+30.8800+130.0976/+30.8797+130.1000/+30.8776+130.1200/+30.8735+130.1400/+30.8600+130.1566/+30.8597+130.1600/+30.8591+130.1800/+30.8578+130.2000/+30.8455+130.2200/+30.8400+130.2256/+30.8398+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2990/+30.8200+130.3000/+30.8165+130.3200/+30.8000+130.3365/+30.7800+130.3318/+30.7682+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7725+130.2600/+30.7800+130.2525/+30.7801+130.2400/+30.7804+130.2200/+30.7816+130.2000/+30.7869+130.1800/+30.8000+130.1640/+30.8003+130.1600/+30.8012+130.1400/+30.8035+130.1200/+30.8085+130.1000/+30.8200+130.0807/+30.8201+130.0800/+30.8218+130.0600/+30.8239+130.0400/+30.8292+130.0200/+30.8399+130.0000/+30.8400+129.9995/+30.8410+129.9800/+30.8452+129.9600/+30.8510+129.9400/+30.8593+129.9200/+30.8600+129.9184/+30.8688+129.9000/+30.8796+129.8800/+30.8800+129.8793/+30.8921+129.8600/+30.9000+129.8482/+30.9056+129.8400/+30.9200+129.8214/+30.9400+129.8352/+30.9436+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8072+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7928+130.2800/+30.8000+130.2716/+30.8072+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、１１日２１時から２４時までは火口から西方向、１２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。 　１１日１８時から１２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 　１１日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０３時から０６時まで　西　　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　１２日０６時から０９時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１２日０９時から１２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。