2026-07-08T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-08T11:00:00+09:00 2026-07-08T12:00:00+09:00 2026-07-09T06:00:00+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 2026-07-08T12:00:00+09:00 2026-07-08T15:00:00+09:00 降灰 70 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西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8073+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7927+130.2800/+30.8000+130.2708/+30.8073+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 +30.9624+129.8000/+30.9600+129.8049/+30.9539+129.8200/+30.9488+129.8400/+30.9438+129.8600/+30.9400+129.8753/+30.9389+129.8800/+30.9345+129.9000/+30.9299+129.9200/+30.9217+129.9400/+30.9200+129.9449/+30.9165+129.9600/+30.9094+129.9800/+30.9000+129.9978/+30.8997+130.0000/+30.8950+130.0200/+30.8902+130.0400/+30.8800+130.0546/+30.8788+130.0600/+30.8764+130.0800/+30.8718+130.1000/+30.8600+130.1186/+30.8599+130.1200/+30.8588+130.1400/+30.8576+130.1600/+30.8541+130.1800/+30.8400+130.1981/+30.8399+130.2000/+30.8397+130.2200/+30.8397+130.2400/+30.8393+130.2600/+30.8359+130.2800/+30.8200+130.2960/+30.8199+130.3000/+30.8116+130.3200/+30.8000+130.3316/+30.7800+130.3204/+30.7796+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7610+130.2600/+30.7717+130.2400/+30.7800+130.2308/+30.7801+130.2200/+30.7803+130.2000/+30.7807+130.1800/+30.7814+130.1600/+30.7833+130.1400/+30.7867+130.1200/+30.7957+130.1000/+30.8000+130.0919/+30.8007+130.0800/+30.8017+130.0600/+30.8035+130.0400/+30.8058+130.0200/+30.8087+130.0000/+30.8078+129.9800/+30.8132+129.9600/+30.8200+129.9432/+30.8211+129.9400/+30.8286+129.9200/+30.8378+129.9000/+30.8400+129.8950/+30.8454+129.8800/+30.8521+129.8600/+30.8600+129.8407/+30.8603+129.8400/+30.8700+129.8200/+30.8800+129.8068/+30.8868+129.8000/+30.8951+129.7800/+30.9000+129.7731/+30.9200+129.7679/+30.9365+129.7600/+30.9400+129.7577/+30.9436+129.7600/+30.9585+129.7800/+30.9600+129.7838/+30.9624+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8103+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7897+130.2800/+30.8000+130.2667/+30.8103+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 +30.9609+129.7000/+30.9655+129.7200/+30.9687+129.7400/+30.9679+129.7600/+30.9636+129.7800/+30.9600+129.7946/+30.9584+129.8000/+30.9500+129.8200/+30.9484+129.8400/+30.9452+129.8600/+30.9409+129.8800/+30.9400+129.8846/+30.9364+129.9000/+30.9325+129.9200/+30.9227+129.9400/+30.9200+129.9475/+30.9168+129.9600/+30.9062+129.9800/+30.9000+129.9887/+30.8987+130.0000/+30.8923+130.0200/+30.8810+130.0400/+30.8800+130.0413/+30.8784+130.0600/+30.8765+130.0800/+30.8724+130.1000/+30.8600+130.1165/+30.8598+130.1200/+30.8591+130.1400/+30.8586+130.1600/+30.8559+130.1800/+30.8400+130.1980/+30.8399+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8360+130.2800/+30.8200+130.2960/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7603+130.2800/+30.7626+130.2600/+30.7800+130.2423/+30.7801+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7811+130.1800/+30.7843+130.1600/+30.7972+130.1400/+30.8000+130.1362/+30.8006+130.1200/+30.8015+130.1000/+30.8032+130.0800/+30.8076+130.0600/+30.8183+130.0400/+30.8200+130.0374/+30.8213+130.0200/+30.8230+130.0000/+30.8200+129.9849/+30.8157+129.9800/+30.8200+129.9694/+30.8231+129.9600/+30.8353+129.9400/+30.8400+129.9347/+30.8435+129.9200/+30.8455+129.9000/+30.8477+129.8800/+30.8514+129.8600/+30.8565+129.8400/+30.8600+129.8262/+30.8621+129.8200/+30.8730+129.8000/+30.8761+129.7800/+30.8800+129.7707/+30.8855+129.7600/+30.8976+129.7400/+30.9000+129.7361/+30.9188+129.7200/+30.9200+129.7187/+30.9351+129.7000/+30.9400+129.6864/+30.9600+129.6937/+30.9609+129.7000/ 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/+30.7874+130.2800/+30.8000+130.2642/+30.8126+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 +31.0088+129.6200/+31.0135+129.6400/+31.0132+129.6600/+31.0099+129.6800/+31.0068+129.7000/+31.0000+129.7128/+30.9954+129.7200/+30.9894+129.7400/+30.9860+129.7600/+30.9827+129.7800/+30.9800+129.7995/+30.9799+129.8000/+30.9729+129.8200/+30.9600+129.8317/+30.9577+129.8400/+30.9545+129.8600/+30.9518+129.8800/+30.9488+129.9000/+30.9446+129.9200/+30.9400+129.9254/+30.9319+129.9400/+30.9283+129.9600/+30.9228+129.9800/+30.9200+129.9864/+30.9148+130.0000/+30.9000+130.0105/+30.8976+130.0200/+30.8935+130.0400/+30.8800+130.0585/+30.8798+130.0600/+30.8788+130.0800/+30.8775+130.1000/+30.8722+130.1200/+30.8600+130.1341/+30.8597+130.1400/+30.8593+130.1600/+30.8586+130.1800/+30.8529+130.2000/+30.8400+130.2133/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8384+130.2800/+30.8200+130.2984/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7604+130.2800/+30.7698+130.2600/+30.7800+130.2498/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7834+130.1800/+30.8000+130.1608/+30.8001+130.1600/+30.8006+130.1400/+30.8015+130.1200/+30.8048+130.1000/+30.8161+130.0800/+30.8200+130.0745/+30.8209+130.0600/+30.8227+130.0400/+30.8270+130.0200/+30.8400+130.0005/+30.8401+130.0000/+30.8400+129.9903/+30.8385+129.9800/+30.8400+129.9781/+30.8420+129.9600/+30.8447+129.9400/+30.8491+129.9200/+30.8562+129.9000/+30.8571+129.8800/+30.8600+129.8703/+30.8644+129.8600/+30.8800+129.8416/+30.8807+129.8400/+30.8858+129.8200/+30.8919+129.8000/+30.8977+129.7800/+30.9000+129.7774/+30.9097+129.7600/+30.9165+129.7400/+30.9200+129.7291/+30.9232+129.7200/+30.9319+129.7000/+30.9400+129.6852/+30.9469+129.6800/+30.9600+129.6693/+30.9732+129.6600/+30.9800+129.6496/+30.9842+129.6400/+30.9932+129.6200/+31.0000+129.6026/+31.0088+129.6200/ 西 70 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/+30.7855+130.2800/+30.8000+130.2621/+30.8145+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-09T00:00:00+09:00 2026-07-09T03:00:00+09:00 降灰 70 +31.0055+129.6400/+31.0140+129.6600/+31.0149+129.6800/+31.0154+129.7000/+31.0110+129.7200/+31.0061+129.7400/+31.0000+129.7552/+30.9981+129.7600/+30.9910+129.7800/+30.9871+129.8000/+30.9832+129.8200/+30.9800+129.8307/+30.9774+129.8400/+30.9676+129.8600/+30.9600+129.8692/+30.9567+129.8800/+30.9539+129.9000/+30.9516+129.9200/+30.9411+129.9400/+30.9400+129.9421/+30.9354+129.9600/+30.9306+129.9800/+30.9256+130.0000/+30.9200+130.0143/+30.9155+130.0200/+30.9000+130.0286/+30.8982+130.0400/+30.8961+130.0600/+30.8908+130.0800/+30.8800+130.0933/+30.8792+130.1000/+30.8778+130.1200/+30.8741+130.1400/+30.8600+130.1570/+30.8598+130.1600/+30.8593+130.1800/+30.8582+130.2000/+30.8470+130.2200/+30.8400+130.2271/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8320+130.3000/+30.8200+130.3120/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7624+130.2600/+30.7800+130.2418/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7821+130.1800/+30.7862+130.1600/+30.8000+130.1401/+30.8000+130.1400/+30.8012+130.1200/+30.8033+130.1000/+30.8080+130.0800/+30.8200+130.0609/+30.8202+130.0600/+30.8216+130.0400/+30.8257+130.0200/+30.8319+130.0000/+30.8344+129.9800/+30.8400+129.9726/+30.8426+129.9600/+30.8473+129.9400/+30.8547+129.9200/+30.8600+129.9082/+30.8626+129.9000/+30.8664+129.8800/+30.8797+129.8600/+30.8800+129.8597/+30.8882+129.8400/+30.8935+129.8200/+30.9000+129.8036/+30.9026+129.8000/+30.9123+129.7800/+30.9188+129.7600/+30.9200+129.7564/+30.9262+129.7400/+30.9386+129.7200/+30.9400+129.7183/+30.9600+129.7044/+30.9668+129.7000/+30.9787+129.6800/+30.9800+129.6772/+30.9870+129.6600/+30.9968+129.6400/+31.0000+129.6356/+31.0055+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8173+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2631/+30.8173+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-07-09T03:00:00+09:00 2026-07-09T06:00:00+09:00 降灰 70 +31.0312+129.6800/+31.0336+129.7000/+31.0278+129.7200/+31.0246+129.7400/+31.0200+129.7572/+31.0193+129.7600/+31.0089+129.7800/+31.0000+129.7932/+30.9958+129.8000/+30.9892+129.8200/+30.9856+129.8400/+30.9804+129.8600/+30.9800+129.8613/+30.9736+129.8800/+30.9608+129.9000/+30.9600+129.9009/+30.9550+129.9200/+30.9487+129.9400/+30.9409+129.9600/+30.9400+129.9616/+30.9350+129.9800/+30.9300+130.0000/+30.9226+130.0200/+30.9200+130.0225/+30.9000+130.0361/+30.8993+130.0400/+30.8966+130.0600/+30.8928+130.0800/+30.8800+130.0965/+30.8795+130.1000/+30.8781+130.1200/+30.8752+130.1400/+30.8600+130.1580/+30.8598+130.1600/+30.8592+130.1800/+30.8580+130.2000/+30.8466+130.2200/+30.8400+130.2269/+30.8398+130.2400/+30.8397+130.2600/+30.8392+130.2800/+30.8330+130.3000/+30.8200+130.3130/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7603+130.2800/+30.7611+130.2600/+30.7735+130.2400/+30.7800+130.2332/+30.7802+130.2200/+30.7804+130.2000/+30.7811+130.1800/+30.7827+130.1600/+30.7875+130.1400/+30.8000+130.1210/+30.8001+130.1200/+30.8013+130.1000/+30.8032+130.0800/+30.8073+130.0600/+30.8145+130.0400/+30.8200+130.0278/+30.8212+130.0200/+30.8256+130.0000/+30.8275+129.9800/+30.8384+129.9600/+30.8400+129.9575/+30.8451+129.9400/+30.8546+129.9200/+30.8600+129.9075/+30.8625+129.9000/+30.8696+129.8800/+30.8800+129.8633/+30.8811+129.8600/+30.8894+129.8400/+30.8972+129.8200/+30.9000+129.8148/+30.9113+129.8000/+30.9200+129.7816/+30.9208+129.7800/+30.9317+129.7600/+30.9400+129.7459/+30.9455+129.7400/+30.9600+129.7215/+30.9613+129.7200/+30.9740+129.7000/+30.9800+129.6901/+30.9867+129.6800/+31.0000+129.6622/+31.0200+129.6656/+31.0312+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8164+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7865+130.2800/+30.8000+130.2630/+30.8164+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１２時から９日６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　　　　　 　０９日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０９日０３時から０６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。