2026-11-03T23:00:00Z 通常 気象庁本庁 気象庁 2026-11-04T08:00:00+09:00 2026-11-04T09:00:00+09:00 2026-11-05T03:00:00+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、４日０９時から１２時までは火口から西方向、４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 2026-11-04T09:00:00+09:00 2026-11-04T12:00:00+09:00 降灰 70 +30.9064+129.6600/+30.9108+129.6800/+30.9141+129.7000/+30.9139+129.7200/+30.9137+129.7400/+30.9141+129.7600/+30.9150+129.7800/+30.9148+129.8000/+30.9094+129.8200/+30.9090+129.8400/+30.9073+129.8600/+30.9060+129.8800/+30.9037+129.9000/+30.9000+129.9045/+30.8928+129.9200/+30.8922+129.9400/+30.8910+129.9600/+30.8885+129.9800/+30.8827+130.0000/+30.8800+130.0027/+30.8714+130.0200/+30.8655+130.0400/+30.8600+130.0482/+30.8587+130.0600/+30.8575+130.0800/+30.8562+130.1000/+30.8528+130.1200/+30.8430+130.1400/+30.8400+130.1438/+30.8395+130.1600/+30.8393+130.1800/+30.8392+130.2000/+30.8390+130.2200/+30.8381+130.2400/+30.8315+130.2600/+30.8200+130.2732/+30.8200+130.2800/+30.8199+130.3000/+30.8010+130.3200/+30.8000+130.3210/+30.7982+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7604+130.2400/+30.7608+130.2200/+30.7614+130.2000/+30.7623+130.1800/+30.7633+130.1600/+30.7648+130.1400/+30.7674+130.1200/+30.7708+130.1000/+30.7741+130.0800/+30.7800+130.0639/+30.7803+130.0600/+30.7823+130.0400/+30.7824+130.0200/+30.7855+130.0000/+30.7864+129.9800/+30.7897+129.9600/+30.7947+129.9400/+30.8000+129.9240/+30.8012+129.9200/+30.8054+129.9000/+30.8103+129.8800/+30.8153+129.8600/+30.8200+129.8461/+30.8225+129.8400/+30.8265+129.8200/+30.8320+129.8000/+30.8379+129.7800/+30.8400+129.7751/+30.8515+129.7600/+30.8600+129.7471/+30.8667+129.7400/+30.8766+129.7200/+30.8800+129.7099/+30.8826+129.7000/+30.8880+129.6800/+30.8938+129.6600/+30.9000+129.6448/+30.9064+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8126+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7861+130.2800/+30.8000+130.2642/+30.8126+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T12:00:00+09:00 2026-11-04T15:00:00+09:00 降灰 70 +30.8844+129.8000/+30.8839+129.8200/+30.8834+129.8400/+30.8800+129.8487/+30.8760+129.8600/+30.8715+129.8800/+30.8720+129.9000/+30.8717+129.9200/+30.8706+129.9400/+30.8702+129.9600/+30.8702+129.9800/+30.8680+130.0000/+30.8600+130.0093/+30.8566+130.0200/+30.8552+130.0400/+30.8523+130.0600/+30.8458+130.0800/+30.8401+130.1000/+30.8400+130.1001/+30.8390+130.1200/+30.8386+130.1400/+30.8384+130.1600/+30.8381+130.1800/+30.8372+130.2000/+30.8347+130.2200/+30.8226+130.2400/+30.8200+130.2428/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8106+130.3200/+30.8000+130.3306/+30.7800+130.3223/+30.7777+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7606+130.2000/+30.7609+130.1800/+30.7611+130.1600/+30.7613+130.1400/+30.7621+130.1200/+30.7615+130.1000/+30.7615+130.0800/+30.7621+130.0600/+30.7631+130.0400/+30.7645+130.0200/+30.7649+130.0000/+30.7600+129.9822/+30.7585+129.9800/+30.7600+129.9742/+30.7626+129.9600/+30.7668+129.9400/+30.7719+129.9200/+30.7782+129.9000/+30.7800+129.8815/+30.7801+129.8800/+30.7861+129.8600/+30.7947+129.8400/+30.8000+129.8295/+30.8069+129.8200/+30.8200+129.8036/+30.8231+129.8000/+30.8400+129.7802/+30.8412+129.7800/+30.8600+129.7739/+30.8653+129.7800/+30.8800+129.7911/+30.8844+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8132+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7840+130.2800/+30.8000+130.2635/+30.8132+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T15:00:00+09:00 2026-11-04T18:00:00+09:00 降灰 70 +30.8026+130.1000/+30.8098+130.1200/+30.8139+130.1400/+30.8166+130.1600/+30.8179+130.1800/+30.8189+130.2000/+30.8194+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8200+130.3000/+30.8158+130.3200/+30.8000+130.3358/+30.7800+130.3327/+30.7673+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2361/+30.7468+130.2200/+30.7427+130.2000/+30.7417+130.1800/+30.7411+130.1600/+30.7406+130.1400/+30.7400+130.1275/+30.7357+130.1200/+30.7287+130.1000/+30.7254+130.0800/+30.7233+130.0600/+30.7202+130.0400/+30.7200+130.0386/+30.7121+130.0200/+30.7023+130.0000/+30.7000+129.9857/+30.6985+129.9800/+30.6970+129.9600/+30.6955+129.9400/+30.6939+129.9200/+30.6933+129.9000/+30.6934+129.8800/+30.6973+129.8600/+30.7000+129.8517/+30.7061+129.8400/+30.7200+129.8237/+30.7278+129.8400/+30.7377+129.8600/+30.7400+129.8655/+30.7452+129.8800/+30.7564+129.9000/+30.7600+129.9084/+30.7638+129.9200/+30.7709+129.9400/+30.7769+129.9600/+30.7800+129.9699/+30.7864+129.9800/+30.7883+130.0000/+30.7930+130.0200/+30.7960+130.0400/+30.7980+130.0600/+30.7993+130.0800/+30.8000+130.0927/+30.8026+130.1000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8057+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3138/+30.7662+130.3000/+30.7764+130.2800/+30.7800+130.2754/+30.8000+130.2728/+30.8057+130.2800/ 西 3 鹿児島県三島村 4630300 2026-11-04T18:00:00+09:00 2026-11-04T21:00:00+09:00 降灰 70 +30.8209+129.7800/+30.8284+129.8000/+30.8302+129.8200/+30.8314+129.8400/+30.8310+129.8600/+30.8308+129.8800/+30.8319+129.9000/+30.8334+129.9200/+30.8331+129.9400/+30.8329+129.9600/+30.8325+129.9800/+30.8200+129.9968/+30.8190+130.0000/+30.8189+130.0200/+30.8186+130.0400/+30.8186+130.0600/+30.8186+130.0800/+30.8187+130.1000/+30.8189+130.1200/+30.8191+130.1400/+30.8193+130.1600/+30.8195+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8102+130.3200/+30.8000+130.3302/+30.7800+130.3221/+30.7779+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7602+130.1800/+30.7602+130.1600/+30.7600+130.1403/+30.7599+130.1400/+30.7600+130.1384/+30.7600+130.1200/+30.7602+130.1000/+30.7600+130.0800/+30.7600+130.0773/+30.7558+130.0600/+30.7539+130.0400/+30.7537+130.0200/+30.7530+130.0000/+30.7457+129.9800/+30.7474+129.9600/+30.7496+129.9400/+30.7524+129.9200/+30.7569+129.9000/+30.7600+129.8917/+30.7643+129.8800/+30.7666+129.8600/+30.7692+129.8400/+30.7729+129.8200/+30.7775+129.8000/+30.7800+129.7895/+30.7833+129.7800/+30.7908+129.7600/+30.7985+129.7400/+30.8000+129.7352/+30.8022+129.7400/+30.8124+129.7600/+30.8200+129.7775/+30.8209+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8119+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7814+130.2800/+30.8000+130.2647/+30.8119+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-04T21:00:00+09:00 2026-11-05T00:00:00+09:00 降灰 70 +30.9205+129.8400/+30.9200+129.8529/+30.9198+129.8600/+30.9193+129.8800/+30.9154+129.9000/+30.9141+129.9200/+30.9102+129.9400/+30.9054+129.9600/+30.9000+129.9756/+30.8995+129.9800/+30.8961+130.0000/+30.8870+130.0200/+30.8800+130.0395/+30.8800+130.0400/+30.8770+130.0600/+30.8746+130.0800/+30.8688+130.1000/+30.8600+130.1136/+30.8596+130.1200/+30.8588+130.1400/+30.8578+130.1600/+30.8545+130.1800/+30.8400+130.1985/+30.8399+130.2000/+30.8397+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8330+130.2800/+30.8200+130.2930/+30.8199+130.3000/+30.8059+130.3200/+30.8000+130.3259/+30.7891+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7605+130.2600/+30.7611+130.2400/+30.7622+130.2200/+30.7638+130.2000/+30.7676+130.1800/+30.7715+130.1600/+30.7796+130.1400/+30.7800+130.1386/+30.7809+130.1200/+30.7827+130.1000/+30.7842+130.0800/+30.7876+130.0600/+30.7893+130.0400/+30.7921+130.0200/+30.7933+130.0000/+30.7928+129.9800/+30.7958+129.9600/+30.8000+129.9412/+30.8002+129.9400/+30.8052+129.9200/+30.8121+129.9000/+30.8183+129.8800/+30.8200+129.8716/+30.8227+129.8600/+30.8284+129.8400/+30.8353+129.8200/+30.8400+129.8090/+30.8469+129.8000/+30.8597+129.7800/+30.8600+129.7795/+30.8775+129.7600/+30.8800+129.7564/+30.8905+129.7400/+30.9000+129.7271/+30.9049+129.7400/+30.9095+129.7600/+30.9119+129.7800/+30.9126+129.8000/+30.9191+129.8200/+30.9200+129.8316/+30.9205+129.8400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8126+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2643/+30.8126+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-11-05T00:00:00+09:00 2026-11-05T03:00:00+09:00 降灰 70 +31.0312+129.8600/+31.0331+129.8800/+31.0267+129.9000/+31.0235+129.9200/+31.0200+129.9283/+31.0141+129.9400/+31.0004+129.9600/+31.0000+129.9604/+30.9897+129.9800/+30.9808+130.0000/+30.9800+130.0016/+30.9724+130.0200/+30.9600+130.0337/+30.9574+130.0400/+30.9409+130.0600/+30.9400+130.0609/+30.9317+130.0800/+30.9200+130.0975/+30.9191+130.1000/+30.9125+130.1200/+30.9000+130.1343/+30.8972+130.1400/+30.8846+130.1600/+30.8800+130.1652/+30.8770+130.1800/+30.8600+130.1992/+30.8599+130.2000/+30.8583+130.2200/+30.8439+130.2400/+30.8400+130.2440/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8153+130.3200/+30.8000+130.3353/+30.7800+130.3284/+30.7716+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7629+130.2600/+30.7800+130.2423/+30.7801+130.2400/+30.7805+130.2200/+30.7830+130.2000/+30.8000+130.1806/+30.8001+130.1800/+30.8019+130.1600/+30.8111+130.1400/+30.8200+130.1294/+30.8215+130.1200/+30.8276+130.1000/+30.8400+130.0849/+30.8416+130.0800/+30.8475+130.0600/+30.8600+130.0438/+30.8618+130.0400/+30.8674+130.0200/+30.8702+130.0000/+30.8800+129.9864/+30.8848+129.9800/+30.8983+129.9600/+30.9000+129.9581/+30.9096+129.9400/+30.9200+129.9263/+30.9269+129.9200/+30.9388+129.9000/+30.9400+129.8984/+30.9582+129.8800/+30.9600+129.8780/+30.9800+129.8644/+30.9857+129.8600/+31.0000+129.8478/+31.0200+129.8498/+31.0312+129.8600/ 北西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8099+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7901+130.2800/+30.8000+130.2678/+30.8099+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、４日０９時から１２時までは火口から西方向、４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。 　４日９時から５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 　０４日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　北西　　　　　　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。