2026-10-09T23:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T08:00:00+09:00 2026-10-10T09:00:00+09:00 2026-10-11T03:00:00+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０９時から１２時までは火口から西方向、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 2026-10-10T09:00:00+09:00 2026-10-10T12:00:00+09:00 降灰 70 +30.9041+129.6600/+30.9065+129.6800/+30.9085+129.7000/+30.9093+129.7200/+30.9101+129.7400/+30.9106+129.7600/+30.9109+129.7800/+30.9119+129.8000/+30.9071+129.8200/+30.9058+129.8400/+30.9054+129.8600/+30.9050+129.8800/+30.9018+129.9000/+30.9000+129.9028/+30.8924+129.9200/+30.8906+129.9400/+30.8894+129.9600/+30.8884+129.9800/+30.8849+130.0000/+30.8800+130.0063/+30.8744+130.0200/+30.8737+130.0400/+30.8704+130.0600/+30.8623+130.0800/+30.8600+130.0873/+30.8594+130.1000/+30.8574+130.1200/+30.8561+130.1400/+30.8535+130.1600/+30.8430+130.1800/+30.8400+130.1837/+30.8397+130.2000/+30.8395+130.2200/+30.8393+130.2400/+30.8396+130.2600/+30.8365+130.2800/+30.8200+130.2980/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7602+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7609+130.2000/+30.7616+130.1800/+30.7626+130.1600/+30.7642+130.1400/+30.7665+130.1200/+30.7704+130.1000/+30.7734+130.0800/+30.7800+130.0640/+30.7801+130.0600/+30.7803+130.0400/+30.7806+130.0200/+30.7811+130.0000/+30.7800+129.9857/+30.7749+129.9800/+30.7800+129.9677/+30.7806+129.9600/+30.7821+129.9400/+30.7840+129.9200/+30.7859+129.9000/+30.7804+129.8800/+30.7840+129.8600/+30.7891+129.8400/+30.7937+129.8200/+30.7998+129.8000/+30.8000+129.7989/+30.8026+129.7800/+30.8089+129.7600/+30.8146+129.7400/+30.8192+129.7200/+30.8200+129.7166/+30.8244+129.7000/+30.8300+129.6800/+30.8370+129.6600/+30.8400+129.6514/+30.8501+129.6400/+30.8600+129.6272/+30.8800+129.6327/+30.8993+129.6400/+30.9000+129.6404/+30.9041+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8287+130.2800/+30.8200+130.2887/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7828+130.2800/+30.7929+130.2600/+30.8000+130.2478/+30.8117+130.2600/+30.8200+130.2668/+30.8287+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-10T12:00:00+09:00 2026-10-10T15:00:00+09:00 降灰 70 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+30.9080+130.2000/+30.9000+130.2063/+30.8906+130.2000/+30.9000+130.1927/+30.9080+130.2000/ +30.8833+130.2200/+30.8800+130.2221/+30.8738+130.2200/+30.8800+130.2144/+30.8833+130.2200/ +30.8606+130.2400/+30.8600+130.2405/+30.8586+130.2400/+30.8600+130.2380/+30.8606+130.2400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8309+130.2800/+30.8200+130.2909/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7839+130.2800/+30.7971+130.2600/+30.8000+130.2553/+30.8139+130.2600/+30.8200+130.2611/+30.8309+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-10T15:00:00+09:00 2026-10-10T18:00:00+09:00 降灰 70 +31.0135+129.6400/+31.0183+129.6600/+31.0183+129.6800/+31.0183+129.7000/+31.0147+129.7200/+31.0110+129.7400/+31.0050+129.7600/+31.0000+129.7706/+30.9959+129.7800/+30.9910+129.8000/+30.9872+129.8200/+30.9844+129.8400/+30.9800+129.8596/+30.9799+129.8600/+30.9742+129.8800/+30.9642+129.9000/+30.9600+129.9056/+30.9560+129.9200/+30.9498+129.9400/+30.9446+129.9600/+30.9400+129.9728/+30.9385+129.9800/+30.9337+130.0000/+30.9283+130.0200/+30.9200+130.0276/+30.9117+130.0400/+30.9000+130.0597/+30.8999+130.0600/+30.8971+130.0800/+30.8907+130.1000/+30.8800+130.1150/+30.8794+130.1200/+30.8778+130.1400/+30.8733+130.1600/+30.8600+130.1763/+30.8597+130.1800/+30.8592+130.2000/+30.8560+130.2200/+30.8400+130.2366/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8332+130.3000/+30.8200+130.3132/+30.8000+130.3199/+30.7800+130.3196/+30.7605+130.3000/+30.7604+130.2800/+30.7628+130.2600/+30.7800+130.2426/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7815+130.1800/+30.7848+130.1600/+30.8000+130.1402/+30.8000+130.1400/+30.8008+130.1200/+30.8021+130.1000/+30.8042+130.0800/+30.8097+130.0600/+30.8200+130.0429/+30.8204+130.0400/+30.8224+130.0200/+30.8248+130.0000/+30.8236+129.9800/+30.8316+129.9600/+30.8400+129.9469/+30.8420+129.9400/+30.8479+129.9200/+30.8535+129.9000/+30.8588+129.8800/+30.8600+129.8763/+30.8671+129.8600/+30.8800+129.8427/+30.8815+129.8400/+30.8875+129.8200/+30.8956+129.8000/+30.9000+129.7896/+30.9062+129.7800/+30.9182+129.7600/+30.9200+129.7561/+30.9278+129.7400/+30.9359+129.7200/+30.9400+129.7109/+30.9479+129.7000/+30.9600+129.6848/+30.9651+129.6800/+30.9795+129.6600/+30.9800+129.6591/+30.9902+129.6400/+31.0000+129.6250/+31.0135+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8230+130.2800/+30.8200+130.2831/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2610/+30.8200+130.2728/+30.8230+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +30.9675+129.6400/+30.9713+129.6600/+30.9731+129.6800/+30.9743+129.7000/+30.9721+129.7200/+30.9701+129.7400/+30.9676+129.7600/+30.9644+129.7800/+30.9608+129.8000/+30.9600+129.8008/+30.9518+129.8200/+30.9494+129.8400/+30.9460+129.8600/+30.9421+129.8800/+30.9400+129.8939/+30.9389+129.9000/+30.9357+129.9200/+30.9269+129.9400/+30.9220+129.9600/+30.9200+129.9666/+30.9172+129.9800/+30.9082+130.0000/+30.9000+130.0061/+30.8960+130.0200/+30.8928+130.0400/+30.8841+130.0600/+30.8800+130.0658/+30.8787+130.0800/+30.8773+130.1000/+30.8743+130.1200/+30.8600+130.1395/+30.8600+130.1400/+30.8593+130.1600/+30.8584+130.1800/+30.8540+130.2000/+30.8400+130.2154/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8376+130.2800/+30.8200+130.2984/+30.8200+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7650+130.2600/+30.7800+130.2449/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7817+130.1800/+30.7884+130.1600/+30.8000+130.1462/+30.8003+130.1400/+30.8009+130.1200/+30.8018+130.1000/+30.8043+130.0800/+30.8113+130.0600/+30.8200+130.0436/+30.8202+130.0400/+30.8215+130.0200/+30.8233+130.0000/+30.8200+129.9855/+30.8151+129.9800/+30.8200+129.9674/+30.8224+129.9600/+30.8325+129.9400/+30.8400+129.9296/+30.8419+129.9200/+30.8450+129.9000/+30.8479+129.8800/+30.8510+129.8600/+30.8552+129.8400/+30.8600+129.8200/+30.8600+129.8199/+30.8678+129.8000/+30.8717+129.7800/+30.8776+129.7600/+30.8800+129.7526/+30.8849+129.7400/+30.8946+129.7200/+30.9000+129.7118/+30.9110+129.7000/+30.9199+129.6800/+30.9200+129.6797/+30.9286+129.6600/+30.9372+129.6400/+30.9400+129.6333/+30.9600+129.6217/+30.9675+129.6400/ 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+130.2623/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 +31.0046+129.6400/+31.0111+129.6600/+31.0126+129.6800/+31.0135+129.7000/+31.0118+129.7200/+31.0103+129.7400/+31.0057+129.7600/+31.0000+129.7725/+30.9970+129.7800/+30.9920+129.8000/+30.9880+129.8200/+30.9838+129.8400/+30.9800+129.8550/+30.9785+129.8600/+30.9703+129.8800/+30.9600+129.8967/+30.9593+129.9000/+30.9558+129.9200/+30.9495+129.9400/+30.9420+129.9600/+30.9400+129.9639/+30.9361+129.9800/+30.9323+130.0000/+30.9272+130.0200/+30.9200+130.0272/+30.9083+130.0400/+30.9000+130.0527/+30.8990+130.0600/+30.8966+130.0800/+30.8906+130.1000/+30.8800+130.1136/+30.8793+130.1200/+30.8775+130.1400/+30.8714+130.1600/+30.8600+130.1733/+30.8597+130.1800/+30.8591+130.2000/+30.8559+130.2200/+30.8400+130.2368/+30.8399+130.2400/+30.8399+130.2600/+30.8393+130.2800/+30.8200+130.2994/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7605+130.2800/+30.7800+130.2603/+30.7800+130.2600/+30.7801+130.2400/+30.7804+130.2200/+30.7818+130.2000/+30.7964+130.1800/+30.8000+130.1761/+30.8005+130.1600/+30.8013+130.1400/+30.8038+130.1200/+30.8137+130.1000/+30.8200+130.0920/+30.8211+130.0800/+30.8231+130.0600/+30.8274+130.0400/+30.8387+130.0200/+30.8400+130.0179/+30.8419+130.0000/+30.8429+129.9800/+30.8456+129.9600/+30.8506+129.9400/+30.8600+129.9224/+30.8612+129.9200/+30.8663+129.9000/+30.8724+129.8800/+30.8800+129.8692/+30.8832+129.8600/+30.8915+129.8400/+30.8964+129.8200/+30.9000+129.8088/+30.9051+129.8000/+30.9148+129.7800/+30.9200+129.7653/+30.9219+129.7600/+30.9293+129.7400/+30.9389+129.7200/+30.9400+129.7181/+30.9600+129.7002/+30.9603+129.7000/+30.9800+129.6806/+30.9804+129.6800/+30.9902+129.6600/+30.9974+129.6400/+31.0000+129.6337/+31.0046+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2632/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +31.0509+129.7000/+31.0418+129.7200/+31.0400+129.7268/+31.0371+129.7400/+31.0344+129.7600/+31.0321+129.7800/+31.0306+129.8000/+31.0251+129.8200/+31.0200+129.8363/+31.0189+129.8400/+31.0048+129.8600/+31.0000+129.8654/+30.9949+129.8800/+30.9911+129.9000/+30.9873+129.9200/+30.9813+129.9400/+30.9800+129.9418/+30.9611+129.9600/+30.9600+129.9611/+30.9558+129.9800/+30.9518+130.0000/+30.9436+130.0200/+30.9400+130.0253/+30.9247+130.0400/+30.9200+130.0441/+30.9169+130.0600/+30.9101+130.0800/+30.9000+130.0919/+30.8987+130.1000/+30.8961+130.1200/+30.8819+130.1400/+30.8800+130.1422/+30.8789+130.1600/+30.8748+130.1800/+30.8600+130.1963/+30.8598+130.2000/+30.8594+130.2200/+30.8543+130.2400/+30.8400+130.2545/+30.8399+130.2600/+30.8399+130.2800/+30.8299+130.3000/+30.8200+130.3085/+30.8028+130.3200/+30.8000+130.3228/+30.7958+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7611+130.2800/+30.7800+130.2611/+30.7801+130.2600/+30.7802+130.2400/+30.7815+130.2200/+30.8000+130.2010/+30.8001+130.2000/+30.8006+130.1800/+30.8026+130.1600/+30.8200+130.1403/+30.8201+130.1400/+30.8211+130.1200/+30.8237+130.1000/+30.8356+130.0800/+30.8400+130.0751/+30.8418+130.0600/+30.8458+130.0400/+30.8595+130.0200/+30.8502+130.0000/+30.8600+129.9846/+30.8624+129.9800/+30.8672+129.9600/+30.8745+129.9400/+30.8800+129.9301/+30.8855+129.9200/+30.8895+129.9000/+30.8996+129.8800/+30.9000+129.8790/+30.9103+129.8600/+30.9200+129.8505/+30.9267+129.8400/+30.9326+129.8200/+30.9381+129.8000/+30.9400+129.7965/+30.9528+129.7800/+30.9600+129.7716/+30.9684+129.7600/+30.9793+129.7400/+30.9800+129.7387/+30.9917+129.7200/+31.0000+129.7096/+31.0200+129.7059/+31.0267+129.7000/+31.0400+129.6883/+31.0509+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8145+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2647/+30.8145+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０９時から１２時までは火口から西方向、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９時から１１日３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０９時から１２時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　１０日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　北西　　　　　　６０ｋｍ　　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。