2026-09-01T11:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T20:00:00+09:00 2026-09-01T21:00:00+09:00 2026-09-02T15:00:00+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、１日２１時から２４時までは火口から西方向、２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 2026-09-01T21:00:00+09:00 2026-09-02T00:00:00+09:00 降灰 70 +30.9622+129.6200/+30.9661+129.6400/+30.9673+129.6600/+30.9670+129.6800/+30.9668+129.7000/+30.9626+129.7200/+30.9600+129.7305/+30.9565+129.7400/+30.9517+129.7600/+30.9492+129.7800/+30.9474+129.8000/+30.9475+129.8200/+30.9464+129.8400/+30.9437+129.8600/+30.9402+129.8800/+30.9400+129.8807/+30.9352+129.9000/+30.9328+129.9200/+30.9253+129.9400/+30.9203+129.9600/+30.9200+129.9610/+30.9156+129.9800/+30.9056+130.0000/+30.9000+130.0043/+30.8970+130.0200/+30.8934+130.0400/+30.8826+130.0600/+30.8800+130.0633/+30.8791+130.0800/+30.8781+130.1000/+30.8753+130.1200/+30.8600+130.1389/+30.8599+130.1400/+30.8595+130.1600/+30.8593+130.1800/+30.8576+130.2000/+30.8400+130.2188/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2993/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7606+130.2800/+30.7800+130.2605/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7814+130.2000/+30.7962+130.1800/+30.8000+130.1759/+30.8004+130.1600/+30.8009+130.1400/+30.8024+130.1200/+30.8084+130.1000/+30.8200+130.0843/+30.8203+130.0800/+30.8213+130.0600/+30.8227+130.0400/+30.8258+130.0200/+30.8335+130.0000/+30.8279+129.9800/+30.8399+129.9600/+30.8400+129.9599/+30.8420+129.9400/+30.8440+129.9200/+30.8463+129.9000/+30.8485+129.8800/+30.8507+129.8600/+30.8537+129.8400/+30.8569+129.8200/+30.8600+129.8061/+30.8617+129.8000/+30.8678+129.7800/+30.8730+129.7600/+30.8792+129.7400/+30.8800+129.7375/+30.8866+129.7200/+30.8981+129.7000/+30.9000+129.6963/+30.9142+129.6800/+30.9200+129.6697/+30.9241+129.6600/+30.9315+129.6400/+30.9394+129.6200/+30.9400+129.6184/+30.9600+129.6126/+30.9622+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8002+130.2600/+30.8151+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7849+130.2800/+30.7999+130.2600/+30.8000+130.2598/+30.8002+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +31.0019+129.5800/+31.0108+129.6000/+31.0121+129.6200/+31.0130+129.6400/+31.0097+129.6600/+31.0007+129.6800/+31.0000+129.6814/+30.9871+129.7000/+30.9857+129.7200/+30.9851+129.7400/+30.9838+129.7600/+30.9818+129.7800/+30.9801+129.8000/+30.9800+129.8003/+30.9724+129.8200/+30.9600+129.8302/+30.9570+129.8400/+30.9540+129.8600/+30.9514+129.8800/+30.9490+129.9000/+30.9458+129.9200/+30.9400+129.9275/+30.9330+129.9400/+30.9292+129.9600/+30.9232+129.9800/+30.9200+129.9880/+30.9160+130.0000/+30.9000+130.0122/+30.8980+130.0200/+30.8946+130.0400/+30.8838+130.0600/+30.8800+130.0649/+30.8790+130.0800/+30.8778+130.1000/+30.8743+130.1200/+30.8600+130.1384/+30.8599+130.1400/+30.8594+130.1600/+30.8589+130.1800/+30.8557+130.2000/+30.8400+130.2167/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8388+130.2800/+30.8200+130.2988/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7604+130.2800/+30.7768+130.2600/+30.7800+130.2568/+30.7801+130.2400/+30.7802+130.2200/+30.7808+130.2000/+30.7838+130.1800/+30.8000+130.1603/+30.8000+130.1600/+30.8006+130.1400/+30.8015+130.1200/+30.8042+130.1000/+30.8124+130.0800/+30.8200+130.0684/+30.8207+130.0600/+30.8223+130.0400/+30.8256+130.0200/+30.8332+130.0000/+30.8348+129.9800/+30.8400+129.9726/+30.8417+129.9600/+30.8449+129.9400/+30.8501+129.9200/+30.8564+129.9000/+30.8557+129.8800/+30.8600+129.8651/+30.8621+129.8600/+30.8765+129.8400/+30.8800+129.8350/+30.8842+129.8200/+30.8904+129.8000/+30.8918+129.7800/+30.9000+129.7691/+30.9053+129.7600/+30.9131+129.7400/+30.9200+129.7213/+30.9205+129.7200/+30.9298+129.7000/+30.9361+129.6800/+30.9400+129.6696/+30.9475+129.6600/+30.9600+129.6428/+30.9630+129.6400/+30.9800+129.6205/+30.9803+129.6200/+30.9890+129.6000/+30.9986+129.5800/+31.0000+129.5771/+31.0019+129.5800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8144+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7856+130.2800/+30.8000+130.2612/+30.8144+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T03:00:00+09:00 2026-09-02T06:00:00+09:00 降灰 70 +31.0024+129.6400/+31.0034+129.6600/+31.0008+129.6800/+31.0000+129.6856/+30.9910+129.7000/+30.9872+129.7200/+30.9864+129.7400/+30.9852+129.7600/+30.9838+129.7800/+30.9830+129.8000/+30.9807+129.8200/+30.9800+129.8225/+30.9749+129.8400/+30.9663+129.8600/+30.9600+129.8695/+30.9573+129.8800/+30.9539+129.9000/+30.9509+129.9200/+30.9414+129.9400/+30.9400+129.9437/+30.9368+129.9600/+30.9342+129.9800/+30.9304+130.0000/+30.9258+130.0200/+30.9200+130.0264/+30.9119+130.0400/+30.9050+130.0600/+30.9000+130.0685/+30.8983+130.0800/+30.8938+130.1000/+30.8828+130.1200/+30.8800+130.1237/+30.8784+130.1400/+30.8748+130.1600/+30.8600+130.1784/+30.8599+130.1800/+30.8590+130.2000/+30.8555+130.2200/+30.8400+130.2364/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2996/+30.8200+130.3000/+30.8061+130.3200/+30.8000+130.3261/+30.7891+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7604+130.2800/+30.7673+130.2600/+30.7800+130.2460/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7828+130.1800/+30.7865+130.1600/+30.7956+130.1400/+30.8000+130.1310/+30.8009+130.1200/+30.8036+130.1000/+30.8093+130.0800/+30.8169+130.0600/+30.8200+130.0548/+30.8226+130.0400/+30.8264+130.0200/+30.8396+130.0000/+30.8400+129.9988/+30.8415+129.9800/+30.8442+129.9600/+30.8491+129.9400/+30.8593+129.9200/+30.8600+129.9184/+30.8651+129.9000/+30.8689+129.8800/+30.8800+129.8615/+30.8805+129.8600/+30.8868+129.8400/+30.8917+129.8200/+30.8983+129.8000/+30.9000+129.7958/+30.9101+129.7800/+30.9183+129.7600/+30.9200+129.7551/+30.9255+129.7400/+30.9329+129.7200/+30.9400+129.7043/+30.9454+129.7000/+30.9600+129.6818/+30.9788+129.6800/+30.9800+129.6796/+30.9880+129.6600/+30.9951+129.6400/+31.0000+129.6314/+31.0024+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8148+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7853+130.2800/+30.8000+130.2622/+30.8148+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +30.9646+129.7400/+30.9668+129.7600/+30.9674+129.7800/+30.9679+129.8000/+30.9600+129.8121/+30.9565+129.8200/+30.9534+129.8400/+30.9505+129.8600/+30.9481+129.8800/+30.9458+129.9000/+30.9431+129.9200/+30.9400+129.9249/+30.9332+129.9400/+30.9303+129.9600/+30.9259+129.9800/+30.9200+129.9973/+30.9193+130.0000/+30.9000+130.0167/+30.8991+130.0200/+30.8969+130.0400/+30.8948+130.0600/+30.8866+130.0800/+30.8800+130.0897/+30.8793+130.1000/+30.8775+130.1200/+30.8739+130.1400/+30.8647+130.1600/+30.8600+130.1654/+30.8591+130.1800/+30.8577+130.2000/+30.8512+130.2200/+30.8400+130.2318/+30.8398+130.2400/+30.8397+130.2600/+30.8387+130.2800/+30.8200+130.2989/+30.8200+130.3000/+30.8124+130.3200/+30.8000+130.3324/+30.7800+130.3226/+30.7774+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7627+130.2600/+30.7800+130.2420/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7820+130.1800/+30.7875+130.1600/+30.7965+130.1400/+30.8000+130.1348/+30.8011+130.1200/+30.8042+130.1000/+30.8084+130.0800/+30.8200+130.0609/+30.8201+130.0600/+30.8226+130.0400/+30.8257+130.0200/+30.8337+130.0000/+30.8353+129.9800/+30.8400+129.9725/+30.8419+129.9600/+30.8453+129.9400/+30.8505+129.9200/+30.8570+129.9000/+30.8590+129.8800/+30.8600+129.8757/+30.8646+129.8600/+30.8743+129.8400/+30.8800+129.8289/+30.8833+129.8200/+30.8911+129.8000/+30.8946+129.7800/+30.9000+129.7720/+30.9165+129.7600/+30.9200+129.7558/+30.9305+129.7400/+30.9400+129.7224/+30.9600+129.7225/+30.9646+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8124+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7876+130.2800/+30.8000+130.2649/+30.8124+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +30.8624+129.7200/+30.8672+129.7400/+30.8709+129.7600/+30.8739+129.7800/+30.8713+129.8000/+30.8715+129.8200/+30.8716+129.8400/+30.8725+129.8600/+30.8733+129.8800/+30.8739+129.9000/+30.8740+129.9200/+30.8746+129.9400/+30.8751+129.9600/+30.8753+129.9800/+30.8743+130.0000/+30.8600+130.0164/+30.8588+130.0200/+30.8589+130.0400/+30.8574+130.0600/+30.8563+130.0800/+30.8548+130.1000/+30.8515+130.1200/+30.8459+130.1400/+30.8400+130.1494/+30.8398+130.1600/+30.8396+130.1800/+30.8395+130.2000/+30.8395+130.2200/+30.8392+130.2400/+30.8374+130.2600/+30.8200+130.2781/+30.8200+130.2800/+30.8199+130.3000/+30.8060+130.3200/+30.8000+130.3260/+30.7885+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7604+130.2600/+30.7616+130.2400/+30.7653+130.2200/+30.7735+130.2000/+30.7800+130.1868/+30.7801+130.1800/+30.7803+130.1600/+30.7805+130.1400/+30.7810+130.1200/+30.7814+130.1000/+30.7821+130.0800/+30.7830+130.0600/+30.7840+130.0400/+30.7847+130.0200/+30.7856+130.0000/+30.7831+129.9800/+30.7844+129.9600/+30.7861+129.9400/+30.7883+129.9200/+30.7900+129.9000/+30.7894+129.8800/+30.7912+129.8600/+30.7933+129.8400/+30.7945+129.8200/+30.7957+129.8000/+30.7970+129.7800/+30.8000+129.7673/+30.8030+129.7600/+30.8099+129.7400/+30.8171+129.7200/+30.8200+129.7141/+30.8296+129.7000/+30.8400+129.6904/+30.8492+129.7000/+30.8600+129.7116/+30.8624+129.7200/ 西 60 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+130.2626/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +30.9018+129.6000/+30.9064+129.6200/+30.9100+129.6400/+30.9112+129.6600/+30.9106+129.6800/+30.9100+129.7000/+30.9098+129.7200/+30.9097+129.7400/+30.9101+129.7600/+30.9110+129.7800/+30.9140+129.8000/+30.9072+129.8200/+30.9067+129.8400/+30.9061+129.8600/+30.9054+129.8800/+30.9038+129.9000/+30.9000+129.9043/+30.8925+129.9200/+30.8920+129.9400/+30.8908+129.9600/+30.8883+129.9800/+30.8834+130.0000/+30.8800+130.0032/+30.8711+130.0200/+30.8626+130.0400/+30.8600+130.0451/+30.8592+130.0600/+30.8581+130.0800/+30.8574+130.1000/+30.8552+130.1200/+30.8480+130.1400/+30.8400+130.1524/+30.8399+130.1600/+30.8397+130.1800/+30.8396+130.2000/+30.8394+130.2200/+30.8388+130.2400/+30.8351+130.2600/+30.8200+130.2760/+30.8200+130.2800/+30.8199+130.3000/+30.8009+130.3200/+30.8000+130.3209/+30.7982+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7611+130.2400/+30.7635+130.2200/+30.7699+130.2000/+30.7800+130.1842/+30.7801+130.1800/+30.7803+130.1600/+30.7807+130.1400/+30.7813+130.1200/+30.7821+130.1000/+30.7834+130.0800/+30.7860+130.0600/+30.7912+130.0400/+30.8000+130.0216/+30.8001+130.0200/+30.8015+130.0000/+30.8000+129.9919/+30.7910+129.9800/+30.7961+129.9600/+30.8000+129.9497/+30.8021+129.9400/+30.8075+129.9200/+30.8104+129.9000/+30.8105+129.8800/+30.8127+129.8600/+30.8159+129.8400/+30.8177+129.8200/+30.8197+129.8000/+30.8200+129.7964/+30.8215+129.7800/+30.8257+129.7600/+30.8305+129.7400/+30.8358+129.7200/+30.8400+129.7074/+30.8455+129.7000/+30.8523+129.6800/+30.8589+129.6600/+30.8600+129.6575/+30.8719+129.6400/+30.8800+129.6288/+30.8857+129.6200/+30.8969+129.6000/+30.9000+129.5912/+30.9018+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8140+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7860+130.2800/+30.8000+130.2625/+30.8140+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、１日２１時から２４時までは火口から西方向、２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。 　１日２１時から２日１５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 　０１日２１時から２４時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０２日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日０３時から０６時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５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。