2026-07-07T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-08T02:00:00+09:00 2026-07-08T03:00:00+09:00 2026-07-08T21:00:00+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 2026-07-08T03:00:00+09:00 2026-07-08T06:00:00+09:00 降灰 70 +30.9613+129.9800/+30.9600+129.9908/+30.9593+130.0000/+30.9568+130.0200/+30.9537+130.0400/+30.9428+130.0600/+30.9400+130.0643/+30.9350+130.0800/+30.9216+130.1000/+30.9200+130.1019/+30.9142+130.1200/+30.9014+130.1400/+30.9000+130.1416/+30.8931+130.1600/+30.8800+130.1794/+30.8799+130.1800/+30.8758+130.2000/+30.8600+130.2186/+30.8598+130.2200/+30.8580+130.2400/+30.8400+130.2598/+30.8400+130.2600/+30.8398+130.2800/+30.8362+130.3000/+30.8200+130.3162/+30.8188+130.3200/+30.8000+130.3388/+30.7800+130.3373/+30.7627+130.3200/+30.7601+130.3000/+30.7605+130.2800/+30.7800+130.2605/+30.7801+130.2600/+30.7804+130.2400/+30.7830+130.2200/+30.8000+130.2006/+30.8001+130.2000/+30.8015+130.1800/+30.8048+130.1600/+30.8200+130.1401/+30.8200+130.1400/+30.8244+130.1200/+30.8306+130.1000/+30.8400+130.0848/+30.8418+130.0800/+30.8541+130.0600/+30.8600+130.0424/+30.8606+130.0400/+30.8741+130.0200/+30.8800+130.0085/+30.8863+130.0000/+30.9000+129.9849/+30.9086+129.9800/+30.9200+129.9719/+30.9400+129.9669/+30.9600+129.9761/+30.9613+129.9800/ 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+130.2803/+30.8188+130.3000/ 北西 1 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 +30.9853+129.8800/+30.9869+129.9000/+30.9877+129.9200/+30.9817+129.9400/+30.9800+129.9436/+30.9739+129.9600/+30.9652+129.9800/+30.9600+129.9864/+30.9548+130.0000/+30.9484+130.0200/+30.9400+130.0389/+30.9395+130.0400/+30.9255+130.0600/+30.9200+130.0665/+30.9158+130.0800/+30.9079+130.1000/+30.9000+130.1118/+30.8985+130.1200/+30.8914+130.1400/+30.8800+130.1542/+30.8792+130.1600/+30.8761+130.1800/+30.8600+130.1985/+30.8598+130.2000/+30.8591+130.2200/+30.8538+130.2400/+30.8400+130.2540/+30.8399+130.2600/+30.8398+130.2800/+30.8303+130.3000/+30.8200+130.3103/+30.8172+130.3200/+30.8000+130.3372/+30.7800+130.3334/+30.7666+130.3200/+30.7602+130.3000/+30.7605+130.2800/+30.7800+130.2605/+30.7801+130.2600/+30.7803+130.2400/+30.7821+130.2200/+30.8000+130.2004/+30.8001+130.2000/+30.8009+130.1800/+30.8032+130.1600/+30.8128+130.1400/+30.8200+130.1306/+30.8214+130.1200/+30.8244+130.1000/+30.8319+130.0800/+30.8400+130.0666/+30.8415+130.0600/+30.8458+130.0400/+30.8578+130.0200/+30.8571+130.0000/+30.8600+129.9947/+30.8699+129.9800/+30.8800+129.9629/+30.8816+129.9600/+30.8949+129.9400/+30.9000+129.9342/+30.9108+129.9200/+30.9157+129.9000/+30.9200+129.8936/+30.9359+129.8800/+30.9400+129.8763/+30.9600+129.8603/+30.9800+129.8726/+30.9853+129.8800/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8019+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7982+130.2800/+30.8000+130.2777/+30.8019+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 +30.9869+129.8400/+30.9800+129.8538/+30.9786+129.8600/+30.9760+129.8800/+30.9702+129.9000/+30.9636+129.9200/+30.9600+129.9232/+30.9527+129.9400/+30.9465+129.9600/+30.9400+129.9782/+30.9395+129.9800/+30.9340+130.0000/+30.9286+130.0200/+30.9200+130.0281/+30.9122+130.0400/+30.9017+130.0600/+30.9000+130.0618/+30.8949+130.0800/+30.8880+130.1000/+30.8800+130.1109/+30.8790+130.1200/+30.8763+130.1400/+30.8647+130.1600/+30.8600+130.1653/+30.8594+130.1800/+30.8584+130.2000/+30.8522+130.2200/+30.8400+130.2325/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8153+130.3200/+30.8000+130.3353/+30.7800+130.3286/+30.7714+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7750+130.2600/+30.7800+130.2550/+30.7801+130.2400/+30.7805+130.2200/+30.7820+130.2000/+30.7914+130.1800/+30.8000+130.1696/+30.8005+130.1600/+30.8017+130.1400/+30.8044+130.1200/+30.8135+130.1000/+30.8200+130.0899/+30.8211+130.0800/+30.8247+130.0600/+30.8290+130.0400/+30.8400+130.0225/+30.8407+130.0200/+30.8443+130.0000/+30.8480+129.9800/+30.8556+129.9600/+30.8600+129.9524/+30.8677+129.9400/+30.8800+129.9246/+30.8834+129.9200/+30.8924+129.9000/+30.9000+129.8853/+30.9032+129.8800/+30.9173+129.8600/+30.9200+129.8576/+30.9400+129.8471/+30.9465+129.8400/+30.9600+129.8218/+30.9800+129.8355/+30.9869+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8049+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7951+130.2800/+30.8000+130.2740/+30.8049+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 +30.9852+129.8400/+30.9817+129.8600/+30.9800+129.8723/+30.9791+129.8800/+30.9700+129.9000/+30.9600+129.9145/+30.9581+129.9200/+30.9506+129.9400/+30.9437+129.9600/+30.9400+129.9675/+30.9366+129.9800/+30.9323+130.0000/+30.9266+130.0200/+30.9200+130.0261/+30.9068+130.0400/+30.9000+130.0491/+30.8981+130.0600/+30.8949+130.0800/+30.8875+130.1000/+30.8800+130.1090/+30.8787+130.1200/+30.8763+130.1400/+30.8611+130.1600/+30.8600+130.1611/+30.8593+130.1800/+30.8584+130.2000/+30.8492+130.2200/+30.8400+130.2293/+30.8399+130.2400/+30.8398+130.2600/+30.8395+130.2800/+30.8254+130.3000/+30.8200+130.3054/+30.8140+130.3200/+30.8000+130.3340/+30.7800+130.3244/+30.7755+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7756+130.2600/+30.7800+130.2555/+30.7801+130.2400/+30.7804+130.2200/+30.7818+130.2000/+30.7902+130.1800/+30.8000+130.1684/+30.8004+130.1600/+30.8015+130.1400/+30.8044+130.1200/+30.8118+130.1000/+30.8200+130.0861/+30.8206+130.0800/+30.8228+130.0600/+30.8277+130.0400/+30.8392+130.0200/+30.8400+130.0188/+30.8432+130.0000/+30.8455+129.9800/+30.8506+129.9600/+30.8596+129.9400/+30.8600+129.9392/+30.8680+129.9200/+30.8780+129.9000/+30.8800+129.8970/+30.8907+129.8800/+30.8987+129.8600/+30.9000+129.8573/+30.9105+129.8400/+30.9200+129.8263/+30.9281+129.8200/+30.9400+129.8072/+30.9557+129.8000/+30.9600+129.7977/+30.9659+129.8000/+30.9789+129.8200/+30.9800+129.8231/+30.9852+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8090+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3083/+30.7717+130.3000/+30.7800+130.2917/+30.7910+130.2800/+30.8000+130.2690/+30.8090+130.2800/ 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 +30.9403+129.8000/+30.9419+129.8200/+30.9400+129.8373/+30.9398+129.8400/+30.9384+129.8600/+30.9373+129.8800/+30.9315+129.9000/+30.9257+129.9200/+30.9200+129.9301/+30.9168+129.9400/+30.9100+129.9600/+30.9032+129.9800/+30.9000+129.9853/+30.8980+130.0000/+30.8912+130.0200/+30.8800+130.0386/+30.8798+130.0400/+30.8777+130.0600/+30.8751+130.0800/+30.8681+130.1000/+30.8600+130.1154/+30.8597+130.1200/+30.8585+130.1400/+30.8569+130.1600/+30.8521+130.1800/+30.8400+130.1953/+30.8399+130.2000/+30.8397+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8365+130.2800/+30.8200+130.2967/+30.8199+130.3000/+30.8106+130.3200/+30.8000+130.3305/+30.7810+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7612+130.2600/+30.7747+130.2400/+30.7800+130.2341/+30.7801+130.2200/+30.7803+130.2000/+30.7806+130.1800/+30.7814+130.1600/+30.7829+130.1400/+30.7862+130.1200/+30.7917+130.1000/+30.7996+130.0800/+30.8000+130.0791/+30.8010+130.0600/+30.8025+130.0400/+30.8051+130.0200/+30.8085+130.0000/+30.8055+129.9800/+30.8099+129.9600/+30.8166+129.9400/+30.8200+129.9312/+30.8234+129.9200/+30.8323+129.9000/+30.8400+129.8870/+30.8442+129.8800/+30.8504+129.8600/+30.8590+129.8400/+30.8600+129.8376/+30.8687+129.8200/+30.8800+129.8038/+30.8851+129.8000/+30.8962+129.7800/+30.9000+129.7745/+30.9162+129.7800/+30.9200+129.7818/+30.9400+129.7993/+30.9403+129.8000/ 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+130.2675/+30.8100+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 +30.9233+129.7200/+30.9274+129.7400/+30.9297+129.7600/+30.9311+129.7800/+30.9321+129.8000/+30.9290+129.8200/+30.9238+129.8400/+30.9200+129.8473/+30.9168+129.8600/+30.9130+129.8800/+30.9121+129.9000/+30.9047+129.9200/+30.9000+129.9298/+30.8988+129.9400/+30.8970+129.9600/+30.8952+129.9800/+30.8936+130.0000/+30.8800+130.0145/+30.8779+130.0200/+30.8764+130.0400/+30.8737+130.0600/+30.8626+130.0800/+30.8600+130.0832/+30.8591+130.1000/+30.8586+130.1200/+30.8579+130.1400/+30.8554+130.1600/+30.8400+130.1792/+30.8400+130.1800/+30.8398+130.2000/+30.8398+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8323+130.2800/+30.8200+130.2923/+30.8199+130.3000/+30.8008+130.3200/+30.8000+130.3208/+30.7985+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7615+130.2600/+30.7800+130.2402/+30.7800+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7806+130.1800/+30.7813+130.1600/+30.7828+130.1400/+30.7856+130.1200/+30.7945+130.1000/+30.8000+130.0865/+30.8002+130.0800/+30.8013+130.0600/+30.8028+130.0400/+30.8054+130.0200/+30.8071+130.0000/+30.8035+129.9800/+30.8061+129.9600/+30.8102+129.9400/+30.8184+129.9200/+30.8200+129.9135/+30.8223+129.9000/+30.8228+129.8800/+30.8291+129.8600/+30.8396+129.8400/+30.8400+129.8381/+30.8424+129.8200/+30.8453+129.8000/+30.8491+129.7800/+30.8600+129.7600/+30.8695+129.7400/+30.8788+129.7200/+30.8800+129.7178/+30.8906+129.7000/+30.9000+129.6834/+30.9146+129.7000/+30.9200+129.7102/+30.9233+129.7200/ 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/+30.7800+130.3103/+30.7697+130.3000/+30.7800+130.2897/+30.7877+130.2800/+30.8000+130.2642/+30.8123+130.2800/ 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時までは火口から西方向に降灰が予想されます。 　８日３時から８日２１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０３時から０６時まで　北西　　　　　　４０ｋｍ　　１ｋｍ　　　　　 　０８日０６時から０９時まで　北西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０８日０９時から１２時まで　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　　　　　 　 　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。