2026-11-03T20:00:00Z 通常 気象庁本庁 気象庁 2026-11-04T05:00:00+09:00 2026-11-04T06:00:00+09:00 2026-11-05T00:00:00+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 2026-11-04T06:00:00+09:00 2026-11-04T09:00:00+09:00 降灰 70 +30.8051+130.1600/+30.8130+130.1800/+30.8168+130.2000/+30.8185+130.2200/+30.8194+130.2400/+30.8198+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8052+130.3200/+30.8000+130.3252/+30.7865+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2791/+30.7415+130.2600/+30.7405+130.2400/+30.7403+130.2200/+30.7400+130.2102/+30.7310+130.2000/+30.7235+130.1800/+30.7217+130.1600/+30.7208+130.1400/+30.7200+130.1295/+30.7134+130.1200/+30.7074+130.1000/+30.7047+130.0800/+30.7023+130.0600/+30.7005+130.0400/+30.7000+130.0262/+30.6983+130.0200/+30.6862+130.0000/+30.6851+129.9800/+30.6844+129.9600/+30.6833+129.9400/+30.6819+129.9200/+30.6824+129.9000/+30.6816+129.8800/+30.6814+129.8600/+30.6811+129.8400/+30.6814+129.8200/+30.6818+129.8000/+30.6800+129.7890/+30.6783+129.7800/+30.6800+129.7669/+30.6810+129.7600/+30.6826+129.7400/+30.6830+129.7200/+30.6834+129.7000/+30.6897+129.6800/+30.6987+129.6600/+30.7000+129.6568/+30.7019+129.6600/+30.7153+129.6800/+30.7200+129.6886/+30.7254+129.7000/+30.7292+129.7200/+30.7335+129.7400/+30.7400+129.7568/+30.7411+129.7600/+30.7496+129.7800/+30.7521+129.8000/+30.7542+129.8200/+30.7561+129.8400/+30.7600+129.8541/+30.7628+129.8600/+30.7699+129.8800/+30.7695+129.9000/+30.7713+129.9200/+30.7733+129.9400/+30.7756+129.9600/+30.7780+129.9800/+30.7773+130.0000/+30.7797+130.0200/+30.7800+130.0233/+30.7857+130.0400/+30.7901+130.0600/+30.7940+130.0800/+30.7966+130.1000/+30.7981+130.1200/+30.7995+130.1400/+30.8000+130.1494/+30.8051+130.1600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8121+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3145/+30.7655+130.3000/+30.7688+130.2800/+30.7800+130.2660/+30.8000+130.2645/+30.8121+130.2800/ 西 3 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 +30.8638+129.6800/+30.8707+129.7000/+30.8734+129.7200/+30.8754+129.7400/+30.8770+129.7600/+30.8784+129.7800/+30.8761+129.8000/+30.8764+129.8200/+30.8766+129.8400/+30.8757+129.8600/+30.8750+129.8800/+30.8746+129.9000/+30.8729+129.9200/+30.8726+129.9400/+30.8721+129.9600/+30.8714+129.9800/+30.8702+130.0000/+30.8600+130.0102/+30.8556+130.0200/+30.8546+130.0400/+30.8499+130.0600/+30.8448+130.0800/+30.8400+130.0892/+30.8395+130.1000/+30.8390+130.1200/+30.8388+130.1400/+30.8386+130.1600/+30.8383+130.1800/+30.8378+130.2000/+30.8362+130.2200/+30.8297+130.2400/+30.8200+130.2513/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7608+130.2000/+30.7612+130.1800/+30.7618+130.1600/+30.7627+130.1400/+30.7639+130.1200/+30.7656+130.1000/+30.7683+130.0800/+30.7709+130.0600/+30.7763+130.0400/+30.7777+130.0200/+30.7800+130.0130/+30.7811+130.0000/+30.7811+129.9800/+30.7824+129.9600/+30.7843+129.9400/+30.7878+129.9200/+30.7913+129.9000/+30.7945+129.8800/+30.8000+129.8625/+30.8005+129.8600/+30.8043+129.8400/+30.8059+129.8200/+30.8077+129.8000/+30.8141+129.7800/+30.8188+129.7600/+30.8200+129.7546/+30.8235+129.7400/+30.8282+129.7200/+30.8333+129.7000/+30.8400+129.6812/+30.8432+129.6800/+30.8600+129.6727/+30.8638+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8136+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7853+130.2800/+30.8000+130.2633/+30.8136+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 +30.8643+129.7200/+30.8694+129.7400/+30.8723+129.7600/+30.8740+129.7800/+30.8705+129.8000/+30.8688+129.8200/+30.8675+129.8400/+30.8676+129.8600/+30.8676+129.8800/+30.8642+129.9000/+30.8630+129.9200/+30.8640+129.9400/+30.8645+129.9600/+30.8646+129.9800/+30.8637+130.0000/+30.8600+130.0037/+30.8509+130.0200/+30.8466+130.0400/+30.8400+130.0582/+30.8399+130.0600/+30.8397+130.0800/+30.8393+130.1000/+30.8391+130.1200/+30.8391+130.1400/+30.8390+130.1600/+30.8389+130.1800/+30.8386+130.2000/+30.8381+130.2200/+30.8358+130.2400/+30.8200+130.2583/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8064+130.3200/+30.8000+130.3264/+30.7872+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7604+130.2400/+30.7611+130.2200/+30.7623+130.2000/+30.7650+130.1800/+30.7691+130.1600/+30.7736+130.1400/+30.7794+130.1200/+30.7800+130.1181/+30.7803+130.1000/+30.7807+130.0800/+30.7810+130.0600/+30.7812+130.0400/+30.7816+130.0200/+30.7821+130.0000/+30.7806+129.9800/+30.7815+129.9600/+30.7824+129.9400/+30.7832+129.9200/+30.7839+129.9000/+30.7800+129.8863/+30.7763+129.8800/+30.7793+129.8600/+30.7800+129.8559/+30.7834+129.8400/+30.7877+129.8200/+30.7939+129.8000/+30.7991+129.7800/+30.8000+129.7783/+30.8123+129.7600/+30.8200+129.7456/+30.8230+129.7400/+30.8337+129.7200/+30.8400+129.7097/+30.8600+129.7096/+30.8643+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7867+130.2800/+30.8000+130.2636/+30.8133+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 +30.8025+129.9200/+30.8034+129.9400/+30.8061+129.9600/+30.8093+129.9800/+30.8075+130.0000/+30.8100+130.0200/+30.8128+130.0400/+30.8133+130.0600/+30.8142+130.0800/+30.8155+130.1000/+30.8170+130.1200/+30.8177+130.1400/+30.8182+130.1600/+30.8187+130.1800/+30.8191+130.2000/+30.8195+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8135+130.3200/+30.8000+130.3335/+30.7800+130.3287/+30.7713+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7601+130.2600/+30.7600+130.2545/+30.7461+130.2400/+30.7418+130.2200/+30.7411+130.2000/+30.7408+130.1800/+30.7402+130.1600/+30.7400+130.1564/+30.7289+130.1400/+30.7244+130.1200/+30.7230+130.1000/+30.7214+130.0800/+30.7201+130.0600/+30.7200+130.0586/+30.7138+130.0400/+30.7088+130.0200/+30.7014+130.0000/+30.7005+129.9800/+30.7004+129.9600/+30.7004+129.9400/+30.7003+129.9200/+30.7000+129.9038/+30.6999+129.9000/+30.7000+129.8993/+30.7040+129.8800/+30.7080+129.8600/+30.7134+129.8400/+30.7169+129.8200/+30.7200+129.8051/+30.7223+129.8000/+30.7378+129.7800/+30.7400+129.7751/+30.7600+129.7729/+30.7636+129.7800/+30.7800+129.7999/+30.7801+129.8000/+30.7827+129.8200/+30.7848+129.8400/+30.7898+129.8600/+30.7930+129.8800/+30.7981+129.9000/+30.8000+129.9100/+30.8025+129.9200/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8093+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3158/+30.7642+130.3000/+30.7732+130.2800/+30.7800+130.2710/+30.8000+130.2686/+30.8093+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 +30.8035+129.8600/+30.8068+129.8800/+30.8085+129.9000/+30.8109+129.9200/+30.8116+129.9400/+30.8125+129.9600/+30.8134+129.9800/+30.8010+130.0000/+30.8048+130.0200/+30.8043+130.0400/+30.8081+130.0600/+30.8121+130.0800/+30.8138+130.1000/+30.8162+130.1200/+30.8172+130.1400/+30.8182+130.1600/+30.8188+130.1800/+30.8193+130.2000/+30.8196+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8061+130.3200/+30.8000+130.3261/+30.7854+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2375/+30.7459+130.2200/+30.7430+130.2000/+30.7419+130.1800/+30.7418+130.1600/+30.7416+130.1400/+30.7414+130.1200/+30.7412+130.1000/+30.7410+130.0800/+30.7406+130.0600/+30.7402+130.0400/+30.7400+130.0364/+30.7337+130.0200/+30.7317+130.0000/+30.7259+129.9800/+30.7257+129.9600/+30.7257+129.9400/+30.7260+129.9200/+30.7260+129.9000/+30.7257+129.8800/+30.7271+129.8600/+30.7289+129.8400/+30.7319+129.8200/+30.7362+129.8000/+30.7339+129.7800/+30.7373+129.7600/+30.7400+129.7459/+30.7438+129.7400/+30.7571+129.7200/+30.7600+129.7159/+30.7632+129.7200/+30.7764+129.7400/+30.7800+129.7466/+30.7863+129.7600/+30.7932+129.7800/+30.7985+129.8000/+30.7992+129.8200/+30.7997+129.8400/+30.8000+129.8426/+30.8035+129.8600/ 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+130.3039/+30.7761+130.3000/+30.7767+130.2800/+30.7800+130.2740/+30.8000+130.2646/+30.8123+130.2800/ 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 +30.9406+129.8400/+30.9409+129.8600/+30.9410+129.8800/+30.9400+129.8958/+30.9398+129.9000/+30.9388+129.9200/+30.9310+129.9400/+30.9265+129.9600/+30.9207+129.9800/+30.9200+129.9819/+30.9152+130.0000/+30.9000+130.0166/+30.8990+130.0200/+30.8955+130.0400/+30.8895+130.0600/+30.8800+130.0730/+30.8786+130.0800/+30.8765+130.1000/+30.8720+130.1200/+30.8600+130.1348/+30.8594+130.1400/+30.8586+130.1600/+30.8569+130.1800/+30.8474+130.2000/+30.8400+130.2079/+30.8398+130.2200/+30.8397+130.2400/+30.8393+130.2600/+30.8319+130.2800/+30.8200+130.2919/+30.8199+130.3000/+30.8051+130.3200/+30.8000+130.3251/+30.7907+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7605+130.2600/+30.7613+130.2400/+30.7629+130.2200/+30.7654+130.2000/+30.7703+130.1800/+30.7767+130.1600/+30.7800+130.1532/+30.7807+130.1400/+30.7818+130.1200/+30.7835+130.1000/+30.7846+130.0800/+30.7876+130.0600/+30.7920+130.0400/+30.7957+130.0200/+30.8000+130.0101/+30.8023+130.0000/+30.8037+129.9800/+30.8091+129.9600/+30.8171+129.9400/+30.8200+129.9339/+30.8250+129.9200/+30.8300+129.9000/+30.8381+129.8800/+30.8400+129.8747/+30.8474+129.8600/+30.8599+129.8400/+30.8600+129.8396/+30.8668+129.8200/+30.8741+129.8000/+30.8800+129.7936/+30.9000+129.7830/+30.9187+129.8000/+30.9200+129.8005/+30.9368+129.8200/+30.9400+129.8358/+30.9406+129.8400/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8122+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2645/+30.8122+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６時から４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 　０４日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　西　　　　　　　６０ｋｍ　　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　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　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。