2026-07-07T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-08T05:00:00+09:00 2026-07-08T06:00:00+09:00 2026-07-09T00:00:00+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、８日０９時から１２時までは火口から北西方向、８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 2026-07-08T06:00:00+09:00 2026-07-08T09:00:00+09:00 降灰 70 +31.0037+129.9000/+31.0099+129.9200/+31.0028+129.9400/+31.0000+129.9478/+30.9976+129.9600/+30.9914+129.9800/+30.9832+130.0000/+30.9800+130.0064/+30.9749+130.0200/+30.9600+130.0392/+30.9597+130.0400/+30.9468+130.0600/+30.9400+130.0686/+30.9359+130.0800/+30.9232+130.1000/+30.9200+130.1041/+30.9160+130.1200/+30.9018+130.1400/+30.9000+130.1419/+30.8954+130.1600/+30.8800+130.1791/+30.8799+130.1800/+30.8770+130.2000/+30.8600+130.2185/+30.8598+130.2200/+30.8589+130.2400/+30.8400+130.2600/+30.8399+130.2800/+30.8376+130.3000/+30.8200+130.3176/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3341/+30.7659+130.3200/+30.7602+130.3000/+30.7609+130.2800/+30.7800+130.2609/+30.7801+130.2600/+30.7806+130.2400/+30.7886+130.2200/+30.8000+130.2081/+30.8006+130.2000/+30.8033+130.1800/+30.8200+130.1602/+30.8201+130.1600/+30.8221+130.1400/+30.8281+130.1200/+30.8400+130.1045/+30.8413+130.1000/+30.8473+130.0800/+30.8600+130.0612/+30.8604+130.0600/+30.8653+130.0400/+30.8757+130.0200/+30.8800+130.0062/+30.8818+130.0000/+30.8986+129.9800/+30.9000+129.9775/+30.9071+129.9600/+30.9183+129.9400/+30.9200+129.9376/+30.9400+129.9209/+30.9414+129.9200/+30.9600+129.9007/+30.9688+129.9000/+30.9800+129.8987/+31.0000+129.8926/+31.0037+129.9000/ 北西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8021+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7983+130.2800/+30.8000+130.2779/+30.8021+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-08T09:00:00+09:00 2026-07-08T12:00:00+09:00 降灰 70 +31.0001+129.8400/+31.0000+129.8403/+30.9935+129.8600/+30.9926+129.8800/+30.9874+129.9000/+30.9846+129.9200/+30.9800+129.9319/+30.9765+129.9400/+30.9608+129.9600/+30.9600+129.9609/+30.9528+129.9800/+30.9447+130.0000/+30.9400+130.0091/+30.9368+130.0200/+30.9200+130.0394/+30.9198+130.0400/+30.9117+130.0600/+30.9000+130.0791/+30.8999+130.0800/+30.8967+130.1000/+30.8868+130.1200/+30.8800+130.1281/+30.8785+130.1400/+30.8748+130.1600/+30.8600+130.1779/+30.8598+130.1800/+30.8591+130.2000/+30.8564+130.2200/+30.8400+130.2371/+30.8399+130.2400/+30.8398+130.2600/+30.8395+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8164+130.3200/+30.8000+130.3364/+30.7800+130.3312/+30.7688+130.3200/+30.7601+130.3000/+30.7603+130.2800/+30.7800+130.2600/+30.7802+130.2400/+30.7807+130.2200/+30.7836+130.2000/+30.8000+130.1800/+30.8009+130.1600/+30.8033+130.1400/+30.8101+130.1200/+30.8200+130.1052/+30.8208+130.1000/+30.8242+130.0800/+30.8305+130.0600/+30.8400+130.0447/+30.8414+130.0400/+30.8473+130.0200/+30.8493+130.0000/+30.8600+129.9811/+30.8610+129.9800/+30.8710+129.9600/+30.8800+129.9466/+30.8841+129.9400/+30.9000+129.9202/+30.9002+129.9200/+30.9046+129.9000/+30.9200+129.8827/+30.9241+129.8800/+30.9400+129.8602/+30.9402+129.8600/+30.9549+129.8400/+30.9600+129.8347/+30.9800+129.8370/+31.0000+129.8399/+31.0001+129.8400/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8061+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7939+130.2800/+30.8000+130.2726/+30.8061+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-08T12:00:00+09:00 2026-07-08T15:00:00+09:00 降灰 70 +31.0176+129.8000/+31.0156+129.8200/+31.0159+129.8400/+31.0077+129.8600/+31.0000+129.8751/+30.9986+129.8800/+30.9912+129.9000/+30.9848+129.9200/+30.9800+129.9337/+30.9763+129.9400/+30.9600+129.9555/+30.9587+129.9600/+30.9539+129.9800/+30.9476+130.0000/+30.9400+130.0144/+30.9383+130.0200/+30.9200+130.0372/+30.9185+130.0400/+30.9126+130.0600/+30.9000+130.0768/+30.8994+130.0800/+30.8967+130.1000/+30.8857+130.1200/+30.8800+130.1265/+30.8789+130.1400/+30.8763+130.1600/+30.8600+130.1786/+30.8599+130.1800/+30.8593+130.2000/+30.8576+130.2200/+30.8400+130.2387/+30.8399+130.2400/+30.8399+130.2600/+30.8397+130.2800/+30.8343+130.3000/+30.8200+130.3143/+30.8138+130.3200/+30.8000+130.3338/+30.7800+130.3231/+30.7769+130.3200/+30.7602+130.3000/+30.7606+130.2800/+30.7800+130.2604/+30.7800+130.2600/+30.7802+130.2400/+30.7807+130.2200/+30.7850+130.2000/+30.8000+130.1830/+30.8002+130.1800/+30.8012+130.1600/+30.8046+130.1400/+30.8174+130.1200/+30.8200+130.1168/+30.8217+130.1000/+30.8249+130.0800/+30.8367+130.0600/+30.8400+130.0554/+30.8428+130.0400/+30.8496+130.0200/+30.8493+130.0000/+30.8600+129.9817/+30.8611+129.9800/+30.8685+129.9600/+30.8799+129.9400/+30.8800+129.9399/+30.8925+129.9200/+30.8961+129.9000/+30.9000+129.8932/+30.9122+129.8800/+30.9200+129.8708/+30.9278+129.8600/+30.9400+129.8447/+30.9441+129.8400/+30.9590+129.8200/+30.9600+129.8190/+30.9800+129.8125/+30.9881+129.8000/+31.0000+129.7858/+31.0176+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8092+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7908+130.2800/+30.8000+130.2687/+30.8092+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-08T15:00:00+09:00 2026-07-08T18:00:00+09:00 降灰 70 +30.9206+129.8000/+30.9247+129.8200/+30.9249+129.8400/+30.9200+129.8556/+30.9189+129.8600/+30.9150+129.8800/+30.9114+129.9000/+30.9039+129.9200/+30.9000+129.9315/+30.8989+129.9400/+30.8968+129.9600/+30.8950+129.9800/+30.8930+130.0000/+30.8800+130.0170/+30.8787+130.0200/+30.8755+130.0400/+30.8733+130.0600/+30.8696+130.0800/+30.8600+130.0978/+30.8597+130.1000/+30.8582+130.1200/+30.8569+130.1400/+30.8546+130.1600/+30.8482+130.1800/+30.8400+130.1901/+30.8398+130.2000/+30.8396+130.2200/+30.8395+130.2400/+30.8391+130.2600/+30.8348+130.2800/+30.8200+130.2949/+30.8199+130.3000/+30.8105+130.3200/+30.8000+130.3305/+30.7810+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7606+130.2600/+30.7633+130.2400/+30.7800+130.2201/+30.7800+130.2200/+30.7802+130.2000/+30.7804+130.1800/+30.7807+130.1600/+30.7812+130.1400/+30.7823+130.1200/+30.7836+130.1000/+30.7856+130.0800/+30.7901+130.0600/+30.7919+130.0400/+30.8000+130.0213/+30.8001+130.0200/+30.8010+130.0000/+30.8000+129.9899/+30.7959+129.9800/+30.8000+129.9685/+30.8019+129.9600/+30.8064+129.9400/+30.8120+129.9200/+30.8171+129.9000/+30.8200+129.8808/+30.8201+129.8800/+30.8283+129.8600/+30.8400+129.8445/+30.8439+129.8400/+30.8510+129.8200/+30.8598+129.8000/+30.8600+129.7996/+30.8800+129.7819/+30.8839+129.7800/+30.9000+129.7608/+30.9135+129.7800/+30.9200+129.7978/+30.9206+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8113+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7887+130.2800/+30.8000+130.2657/+30.8113+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-08T18:00:00+09:00 2026-07-08T21:00:00+09:00 降灰 70 +30.9624+129.6800/+30.9701+129.7000/+30.9683+129.7200/+30.9669+129.7400/+30.9656+129.7600/+30.9643+129.7800/+30.9629+129.8000/+30.9600+129.8029/+30.9521+129.8200/+30.9490+129.8400/+30.9455+129.8600/+30.9410+129.8800/+30.9400+129.8840/+30.9351+129.9000/+30.9293+129.9200/+30.9223+129.9400/+30.9200+129.9476/+30.9175+129.9600/+30.9062+129.9800/+30.9000+129.9881/+30.8986+130.0000/+30.8915+130.0200/+30.8800+130.0384/+30.8798+130.0400/+30.8786+130.0600/+30.8771+130.0800/+30.8716+130.1000/+30.8600+130.1153/+30.8597+130.1200/+30.8591+130.1400/+30.8586+130.1600/+30.8563+130.1800/+30.8400+130.1990/+30.8400+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8370+130.2800/+30.8200+130.2970/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7602+130.3000/+30.7603+130.2800/+30.7633+130.2600/+30.7800+130.2432/+30.7801+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7811+130.1800/+30.7836+130.1600/+30.7938+130.1400/+30.8000+130.1309/+30.8004+130.1200/+30.8012+130.1000/+30.8028+130.0800/+30.8066+130.0600/+30.8117+130.0400/+30.8200+130.0241/+30.8204+130.0200/+30.8218+130.0000/+30.8200+129.9895/+30.8133+129.9800/+30.8200+129.9617/+30.8205+129.9600/+30.8283+129.9400/+30.8400+129.9248/+30.8414+129.9200/+30.8447+129.9000/+30.8479+129.8800/+30.8512+129.8600/+30.8557+129.8400/+30.8600+129.8226/+30.8608+129.8200/+30.8693+129.8000/+30.8742+129.7800/+30.8800+129.7670/+30.8840+129.7600/+30.8965+129.7400/+30.9000+129.7339/+30.9144+129.7200/+30.9200+129.7113/+30.9252+129.7000/+30.9373+129.6800/+30.9400+129.6761/+30.9600+129.6758/+30.9624+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8129+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7871+130.2800/+30.8000+130.2637/+30.8129+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-08T21:00:00+09:00 2026-07-09T00:00:00+09:00 降灰 70 +31.0090+129.6000/+31.0101+129.6200/+31.0108+129.6400/+31.0088+129.6600/+31.0038+129.6800/+31.0000+129.6934/+30.9965+129.7000/+30.9889+129.7200/+30.9861+129.7400/+30.9832+129.7600/+30.9800+129.7764/+30.9793+129.7800/+30.9757+129.8000/+30.9600+129.8197/+30.9599+129.8200/+30.9555+129.8400/+30.9527+129.8600/+30.9503+129.8800/+30.9478+129.9000/+30.9443+129.9200/+30.9400+129.9252/+30.9318+129.9400/+30.9281+129.9600/+30.9220+129.9800/+30.9200+129.9842/+30.9130+130.0000/+30.9000+130.0090/+30.8967+130.0200/+30.8921+130.0400/+30.8800+130.0553/+30.8795+130.0600/+30.8784+130.0800/+30.8764+130.1000/+30.8685+130.1200/+30.8600+130.1296/+30.8595+130.1400/+30.8592+130.1600/+30.8580+130.1800/+30.8458+130.2000/+30.8400+130.2060/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8378+130.2800/+30.8200+130.2978/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7668+130.2600/+30.7800+130.2468/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7824+130.1800/+30.7974+130.1600/+30.8000+130.1571/+30.8005+130.1400/+30.8011+130.1200/+30.8030+130.1000/+30.8107+130.0800/+30.8200+130.0679/+30.8207+130.0600/+30.8219+130.0400/+30.8257+130.0200/+30.8367+130.0000/+30.8342+129.9800/+30.8400+129.9720/+30.8415+129.9600/+30.8442+129.9400/+30.8481+129.9200/+30.8537+129.9000/+30.8547+129.8800/+30.8600+129.8622/+30.8609+129.8600/+30.8750+129.8400/+30.8800+129.8324/+30.8838+129.8200/+30.8899+129.8000/+30.8900+129.7800/+30.9000+129.7664/+30.9046+129.7600/+30.9135+129.7400/+30.9200+129.7235/+30.9215+129.7200/+30.9304+129.7000/+30.9379+129.6800/+30.9400+129.6753/+30.9538+129.6600/+30.9600+129.6526/+30.9738+129.6400/+30.9800+129.6320/+30.9863+129.6200/+30.9927+129.6000/+31.0000+129.5869/+31.0090+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8135+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7865+130.2800/+30.8000+130.2630/+30.8135+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、８日０９時から１２時までは火口から北西方向、８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。 　８日６時から８日２４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 　０８日０６時から０９時まで　北西　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　０８日０９時から１２時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　７０ｋｍ　　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。