2026-10-08T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-09T05:00:00+09:00 2026-10-09T06:00:00+09:00 2026-10-10T00:00:00+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、９日０９時から１２時までは火口から西方向、９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 2026-10-09T06:00:00+09:00 2026-10-09T09:00:00+09:00 降灰 70 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南西 50 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/+30.7800+130.3177/+30.7623+130.3000/+30.7657+130.2800/+30.7800+130.2621/+30.8000+130.2627/+30.8142+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T09:00:00+09:00 2026-10-09T12:00:00+09:00 降灰 70 +30.8067+130.1200/+30.8112+130.1400/+30.8146+130.1600/+30.8165+130.1800/+30.8181+130.2000/+30.8191+130.2200/+30.8196+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8070+130.3200/+30.8000+130.3270/+30.7840+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2901/+30.7499+130.2800/+30.7409+130.2600/+30.7403+130.2400/+30.7400+130.2333/+30.7282+130.2200/+30.7230+130.2000/+30.7206+130.1800/+30.7200+130.1760/+30.7093+130.1600/+30.7039+130.1400/+30.7014+130.1200/+30.7000+130.1123/+30.6928+130.1000/+30.6872+130.0800/+30.6866+130.0600/+30.6809+130.0400/+30.6800+130.0348/+30.6749+130.0200/+30.6730+130.0000/+30.6714+129.9800/+30.6701+129.9600/+30.6680+129.9400/+30.6640+129.9200/+30.6623+129.9000/+30.6641+129.8800/+30.6696+129.8600/+30.6789+129.8400/+30.6800+129.8360/+30.6887+129.8200/+30.7000+129.8081/+30.7130+129.8000/+30.7200+129.7981/+30.7218+129.8000/+30.7324+129.8200/+30.7400+129.8363/+30.7416+129.8400/+30.7561+129.8600/+30.7600+129.8653/+30.7668+129.8800/+30.7673+129.9000/+30.7694+129.9200/+30.7746+129.9400/+30.7797+129.9600/+30.7800+129.9611/+30.7884+129.9800/+30.7909+130.0000/+30.7930+130.0200/+30.7953+130.0400/+30.7967+130.0600/+30.7984+130.0800/+30.7996+130.1000/+30.8000+130.1042/+30.8067+130.1200/ 西 50 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/+30.7800+130.3151/+30.7649+130.3000/+30.7723+130.2800/+30.7800+130.2686/+30.8000+130.2643/+30.8124+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-09T12:00:00+09:00 2026-10-09T15:00:00+09:00 降灰 70 +30.8816+129.8600/+30.8870+129.8800/+30.8874+129.9000/+30.8882+129.9200/+30.8895+129.9400/+30.8903+129.9600/+30.8910+129.9800/+30.8890+130.0000/+30.8800+130.0147/+30.8782+130.0200/+30.8751+130.0400/+30.8733+130.0600/+30.8689+130.0800/+30.8600+130.0977/+30.8597+130.1000/+30.8580+130.1200/+30.8563+130.1400/+30.8533+130.1600/+30.8439+130.1800/+30.8400+130.1855/+30.8396+130.2000/+30.8394+130.2200/+30.8389+130.2400/+30.8373+130.2600/+30.8251+130.2800/+30.8200+130.2858/+30.8200+130.3000/+30.8121+130.3200/+30.8000+130.3321/+30.7800+130.3233/+30.7767+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7604+130.2400/+30.7608+130.2200/+30.7613+130.2000/+30.7620+130.1800/+30.7627+130.1600/+30.7632+130.1400/+30.7640+130.1200/+30.7650+130.1000/+30.7664+130.0800/+30.7676+130.0600/+30.7685+130.0400/+30.7692+130.0200/+30.7728+130.0000/+30.7732+129.9800/+30.7787+129.9600/+30.7800+129.9545/+30.7821+129.9400/+30.7839+129.9200/+30.7901+129.9000/+30.7964+129.8800/+30.8000+129.8631/+30.8013+129.8600/+30.8156+129.8400/+30.8200+129.8327/+30.8277+129.8200/+30.8400+129.8001/+30.8513+129.8200/+30.8600+129.8325/+30.8660+129.8400/+30.8800+129.8548/+30.8816+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7853+130.2800/+30.8000+130.2633/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-09T15:00:00+09:00 2026-10-09T18:00:00+09:00 降灰 70 +31.0011+129.7000/+31.0009+129.7200/+31.0006+129.7400/+31.0000+129.7426/+30.9846+129.7600/+30.9800+129.7698/+30.9779+129.7800/+30.9760+129.8000/+30.9730+129.8200/+30.9671+129.8400/+30.9600+129.8534/+30.9500+129.8600/+30.9420+129.8800/+30.9400+129.8875/+30.9375+129.9000/+30.9335+129.9200/+30.9260+129.9400/+30.9200+129.9573/+30.9194+129.9600/+30.9152+129.9800/+30.9070+130.0000/+30.9000+130.0111/+30.8967+130.0200/+30.8901+130.0400/+30.8803+130.0600/+30.8800+130.0604/+30.8730+130.0800/+30.8672+130.1000/+30.8600+130.1149/+30.8567+130.1200/+30.8497+130.1400/+30.8459+130.1600/+30.8400+130.1725/+30.8367+130.1800/+30.8320+130.2000/+30.8317+130.2200/+30.8286+130.2400/+30.8200+130.2543/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8115+130.3200/+30.8000+130.3315/+30.7800+130.3239/+30.7761+130.3200/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2483/+30.7518+130.2400/+30.7425+130.2200/+30.7414+130.2000/+30.7411+130.1800/+30.7410+130.1600/+30.7407+130.1400/+30.7401+130.1200/+30.7400+130.1188/+30.7296+130.1000/+30.7289+130.0800/+30.7261+130.0600/+30.7265+130.0400/+30.7253+130.0200/+30.7227+130.0000/+30.7217+129.9800/+30.7213+129.9600/+30.7212+129.9400/+30.7216+129.9200/+30.7212+129.9000/+30.7200+129.8843/+30.7191+129.8800/+30.7200+129.8715/+30.7207+129.8600/+30.7222+129.8400/+30.7253+129.8200/+30.7285+129.8000/+30.7273+129.7800/+30.7319+129.7600/+30.7375+129.7400/+30.7400+129.7321/+30.7497+129.7200/+30.7600+129.7088/+30.7800+129.7109/+30.8000+129.7140/+30.8021+129.7200/+30.8078+129.7400/+30.8126+129.7600/+30.8170+129.7800/+30.8173+129.8000/+30.8200+129.8143/+30.8209+129.8200/+30.8238+129.8400/+30.8260+129.8600/+30.8278+129.8800/+30.8242+129.9000/+30.8294+129.9200/+30.8322+129.9400/+30.8339+129.9600/+30.8349+129.9800/+30.8200+129.9970/+30.8190+130.0000/+30.8200+130.0175/+30.8212+130.0200/+30.8400+130.0329/+30.8478+130.0200/+30.8505+130.0000/+30.8521+129.9800/+30.8585+129.9600/+30.8600+129.9562/+30.8659+129.9400/+30.8750+129.9200/+30.8800+129.9150/+30.8938+129.9000/+30.9000+129.8853/+30.9016+129.8800/+30.9078+129.8600/+30.9153+129.8400/+30.9200+129.8226/+30.9213+129.8200/+30.9265+129.8000/+30.9327+129.7800/+30.9398+129.7600/+30.9400+129.7596/+30.9594+129.7400/+30.9600+129.7394/+30.9800+129.7378/+30.9964+129.7200/+30.9978+129.7000/+31.0000+129.6964/+31.0011+129.7000/ +30.8253+130.0600/+30.8223+130.0800/+30.8202+130.1000/+30.8200+130.1004/+30.8200+130.1000/+30.8198+130.0800/+30.8195+130.0600/+30.8200+130.0405/+30.8253+130.0600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8045+130.2600/+30.8169+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3142/+30.7658+130.3000/+30.7653+130.2800/+30.7800+130.2600/+30.7801+130.2600/+30.8000+130.2518/+30.8045+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-09T18:00:00+09:00 2026-10-09T21:00:00+09:00 降灰 70 +31.0102+129.7000/+31.0118+129.7200/+31.0132+129.7400/+31.0103+129.7600/+31.0016+129.7800/+31.0000+129.7831/+30.9850+129.8000/+30.9875+129.8200/+30.9922+129.8400/+30.9882+129.8600/+30.9834+129.8800/+30.9800+129.8933/+30.9789+129.9000/+30.9768+129.9200/+30.9728+129.9400/+30.9678+129.9600/+30.9601+129.9800/+30.9600+129.9801/+30.9462+130.0000/+30.9400+130.0194/+30.9397+130.0200/+30.9311+130.0400/+30.9209+130.0600/+30.9200+130.0613/+30.9022+130.0800/+30.9000+130.0837/+30.8800+130.0890/+30.8600+130.0949/+30.8592+130.1000/+30.8553+130.1200/+30.8574+130.1400/+30.8527+130.1600/+30.8455+130.1800/+30.8404+130.2000/+30.8400+130.2007/+30.8394+130.2200/+30.8383+130.2400/+30.8359+130.2600/+30.8281+130.2800/+30.8200+130.2882/+30.8198+130.3000/+30.8015+130.3200/+30.8000+130.3215/+30.7969+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7602+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2282/+30.7533+130.2200/+30.7451+130.2000/+30.7435+130.1800/+30.7433+130.1600/+30.7430+130.1400/+30.7418+130.1200/+30.7415+130.1000/+30.7414+130.0800/+30.7400+130.0605/+30.7398+130.0600/+30.7331+130.0400/+30.7316+130.0200/+30.7287+130.0000/+30.7276+129.9800/+30.7282+129.9600/+30.7289+129.9400/+30.7295+129.9200/+30.7313+129.9000/+30.7322+129.8800/+30.7332+129.8600/+30.7347+129.8400/+30.7343+129.8200/+30.7339+129.8000/+30.7369+129.7800/+30.7400+129.7652/+30.7419+129.7600/+30.7474+129.7400/+30.7516+129.7200/+30.7578+129.7000/+30.7600+129.6968/+30.7800+129.6969/+30.8000+129.6970/+30.8063+129.7000/+30.8200+129.7058/+30.8400+129.7149/+30.8443+129.7200/+30.8591+129.7400/+30.8600+129.7417/+30.8654+129.7600/+30.8691+129.7800/+30.8646+129.8000/+30.8686+129.8200/+30.8714+129.8400/+30.8764+129.8600/+30.8800+129.8791/+30.8921+129.8600/+30.9000+129.8515/+30.9157+129.8400/+30.9200+129.8358/+30.9315+129.8200/+30.9347+129.8000/+30.9400+129.7824/+30.9419+129.7800/+30.9547+129.7600/+30.9600+129.7517/+30.9690+129.7400/+30.9800+129.7219/+30.9808+129.7200/+30.9876+129.7000/+31.0000+129.6880/+31.0102+129.7000/ +30.9067+130.0400/+30.9000+130.0524/+30.8929+130.0600/+30.8800+130.0744/+30.8672+130.0600/+30.8800+130.0490/+30.8894+130.0400/+30.9000+130.0231/+30.9067+130.0400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8071+130.2600/+30.8169+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3102/+30.7698+130.3000/+30.7693+130.2800/+30.7783+130.2600/+30.7800+130.2570/+30.8000+130.2478/+30.8071+130.2600/ 西 5 鹿児島県三島村 4630300 2026-10-09T21:00:00+09:00 2026-10-10T00:00:00+09:00 降灰 70 +31.0055+130.0000/+31.0044+130.0200/+31.0000+130.0281/+30.9922+130.0400/+30.9800+130.0599/+30.9800+130.0600/+30.9712+130.0800/+30.9608+130.1000/+30.9600+130.1009/+30.9436+130.1200/+30.9400+130.1235/+30.9242+130.1400/+30.9200+130.1485/+30.9148+130.1600/+30.9000+130.1797/+30.8997+130.1800/+30.8867+130.2000/+30.8800+130.2068/+30.8695+130.2200/+30.8600+130.2318/+30.8569+130.2400/+30.8453+130.2600/+30.8400+130.2655/+30.8393+130.2800/+30.8250+130.3000/+30.8200+130.3050/+30.8133+130.3200/+30.8000+130.3333/+30.7800+130.3269/+30.7731+130.3200/+30.7606+130.3000/+30.7606+130.2800/+30.7635+130.2600/+30.7800+130.2417/+30.7800+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7810+130.1800/+30.7825+130.1600/+30.7867+130.1400/+30.7945+130.1200/+30.8000+130.1106/+30.8006+130.1000/+30.8025+130.0800/+30.8046+130.0600/+30.8066+130.0400/+30.8131+130.0200/+30.8200+130.0047/+30.8207+130.0000/+30.8200+129.9951/+30.8126+129.9800/+30.8200+129.9609/+30.8203+129.9600/+30.8279+129.9400/+30.8400+129.9219/+30.8405+129.9200/+30.8434+129.9000/+30.8463+129.8800/+30.8501+129.8600/+30.8553+129.8400/+30.8600+129.8205/+30.8602+129.8200/+30.8680+129.8000/+30.8711+129.7800/+30.8783+129.7600/+30.8800+129.7555/+30.8870+129.7400/+30.8965+129.7200/+30.9000+129.7141/+30.9091+129.7000/+30.9184+129.6800/+30.9200+129.6768/+30.9284+129.6600/+30.9375+129.6400/+30.9400+129.6338/+30.9583+129.6200/+30.9600+129.6184/+30.9616+129.6200/+30.9729+129.6400/+30.9788+129.6600/+30.9800+129.6651/+30.9826+129.6800/+30.9849+129.7000/+30.9825+129.7200/+30.9805+129.7400/+30.9800+129.7449/+30.9786+129.7600/+30.9764+129.7800/+30.9744+129.8000/+30.9600+129.8174/+30.9588+129.8200/+30.9554+129.8400/+30.9532+129.8600/+30.9513+129.8800/+30.9501+129.9000/+30.9486+129.9200/+30.9400+129.9331/+30.9370+129.9400/+30.9352+129.9600/+30.9327+129.9800/+30.9339+130.0000/+30.9372+130.0200/+30.9400+130.0265/+30.9420+130.0200/+30.9532+130.0000/+30.9600+129.9952/+30.9800+129.9886/+31.0000+129.9914/+31.0055+130.0000/ +30.9370+130.0400/+30.9200+130.0552/+30.9139+130.0600/+30.9074+130.0800/+30.9000+130.0897/+30.8954+130.0800/+30.8978+130.0600/+30.8990+130.0400/+30.9000+130.0309/+30.9200+130.0268/+30.9370+130.0400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8217+130.2800/+30.8200+130.2817/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7839+130.2800/+30.7933+130.2600/+30.8000+130.2494/+30.8168+130.2600/+30.8200+130.2701/+30.8217+130.2800/ 北西 4 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、９日０９時から１２時までは火口から西方向、９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。 　９日６時から９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 　０９日０６時から０９時まで　南西　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日１２時から１５時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０９日１５時から１８時まで　西　　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　０９日１８時から２１時まで　西　　　　　　　６０ｋｍ　　５ｋｍ　　　　　 　０９日２１時から２４時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　 　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。