2026-09-01T02:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T11:00:00+09:00 2026-09-01T12:00:00+09:00 2026-09-02T06:00:00+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時までは火口から北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 2026-09-01T12:00:00+09:00 2026-09-01T15:00:00+09:00 降灰 70 +30.9627+129.6600/+30.9653+129.6800/+30.9670+129.7000/+30.9675+129.7200/+30.9679+129.7400/+30.9674+129.7600/+30.9659+129.7800/+30.9644+129.8000/+30.9600+129.8044/+30.9525+129.8200/+30.9496+129.8400/+30.9473+129.8600/+30.9449+129.8800/+30.9428+129.9000/+30.9401+129.9200/+30.9400+129.9201/+30.9301+129.9400/+30.9257+129.9600/+30.9200+129.9733/+30.9178+129.9800/+30.9122+130.0000/+30.9000+130.0103/+30.8979+130.0200/+30.8954+130.0400/+30.8894+130.0600/+30.8800+130.0732/+30.8794+130.0800/+30.8785+130.1000/+30.8767+130.1200/+30.8696+130.1400/+30.8600+130.1516/+30.8596+130.1600/+30.8592+130.1800/+30.8581+130.2000/+30.8467+130.2200/+30.8400+130.2269/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8199+130.3000/+30.8037+130.3200/+30.8000+130.3237/+30.7936+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7814+130.2000/+30.7882+130.1800/+30.8000+130.1670/+30.8004+130.1600/+30.8009+130.1400/+30.8022+130.1200/+30.8061+130.1000/+30.8153+130.0800/+30.8200+130.0735/+30.8211+130.0600/+30.8229+130.0400/+30.8254+130.0200/+30.8315+130.0000/+30.8295+129.9800/+30.8400+129.9635/+30.8406+129.9600/+30.8435+129.9400/+30.8471+129.9200/+30.8512+129.9000/+30.8528+129.8800/+30.8559+129.8600/+30.8600+129.8420/+30.8606+129.8400/+30.8664+129.8200/+30.8765+129.8000/+30.8762+129.7800/+30.8800+129.7706/+30.8855+129.7600/+30.8963+129.7400/+30.9000+129.7316/+30.9108+129.7200/+30.9200+129.7062/+30.9233+129.7000/+30.9320+129.6800/+30.9393+129.6600/+30.9400+129.6578/+30.9600+129.6489/+30.9627+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8127+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7873+130.2800/+30.8000+130.2637/+30.8127+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T15:00:00+09:00 2026-09-01T18:00:00+09:00 降灰 70 +30.9634+129.6400/+30.9683+129.6600/+30.9704+129.6800/+30.9719+129.7000/+30.9700+129.7200/+30.9682+129.7400/+30.9657+129.7600/+30.9622+129.7800/+30.9600+129.7914/+30.9581+129.8000/+30.9510+129.8200/+30.9499+129.8400/+30.9471+129.8600/+30.9438+129.8800/+30.9400+129.8999/+30.9400+129.9000/+30.9355+129.9200/+30.9262+129.9400/+30.9208+129.9600/+30.9200+129.9623/+30.9151+129.9800/+30.9045+130.0000/+30.9000+130.0033/+30.8965+130.0200/+30.8916+130.0400/+30.8800+130.0585/+30.8799+130.0600/+30.8786+130.0800/+30.8773+130.1000/+30.8739+130.1200/+30.8600+130.1374/+30.8598+130.1400/+30.8594+130.1600/+30.8589+130.1800/+30.8563+130.2000/+30.8400+130.2175/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2990/+30.8199+130.3000/+30.8027+130.3200/+30.8000+130.3227/+30.7952+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7811+130.2000/+30.7860+130.1800/+30.8000+130.1640/+30.8002+130.1600/+30.8008+130.1400/+30.8018+130.1200/+30.8046+130.1000/+30.8117+130.0800/+30.8200+130.0674/+30.8206+130.0600/+30.8219+130.0400/+30.8243+130.0200/+30.8282+130.0000/+30.8249+129.9800/+30.8339+129.9600/+30.8400+129.9512/+30.8418+129.9400/+30.8452+129.9200/+30.8488+129.9000/+30.8511+129.8800/+30.8542+129.8600/+30.8590+129.8400/+30.8600+129.8356/+30.8646+129.8200/+30.8744+129.8000/+30.8747+129.7800/+30.8800+129.7628/+30.8810+129.7600/+30.8882+129.7400/+30.8959+129.7200/+30.9000+129.7118/+30.9094+129.7000/+30.9200+129.6834/+30.9219+129.6800/+30.9314+129.6600/+30.9394+129.6400/+30.9400+129.6387/+30.9600+129.6327/+30.9634+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8130+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7870+130.2800/+30.8000+130.2637/+30.8130+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T18:00:00+09:00 2026-09-01T21:00:00+09:00 降灰 70 +30.9685+129.6600/+30.9718+129.6800/+30.9733+129.7000/+30.9738+129.7200/+30.9741+129.7400/+30.9734+129.7600/+30.9719+129.7800/+30.9705+129.8000/+30.9600+129.8119/+30.9559+129.8200/+30.9525+129.8400/+30.9499+129.8600/+30.9474+129.8800/+30.9446+129.9000/+30.9409+129.9200/+30.9400+129.9211/+30.9299+129.9400/+30.9257+129.9600/+30.9203+129.9800/+30.9200+129.9809/+30.9147+130.0000/+30.9000+130.0126/+30.8982+130.0200/+30.8956+130.0400/+30.8922+130.0600/+30.8809+130.0800/+30.8800+130.0812/+30.8786+130.1000/+30.8769+130.1200/+30.8713+130.1400/+30.8600+130.1546/+30.8597+130.1600/+30.8591+130.1800/+30.8577+130.2000/+30.8452+130.2200/+30.8400+130.2253/+30.8399+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2992/+30.8199+130.3000/+30.8021+130.3200/+30.8000+130.3221/+30.7964+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7604+130.2800/+30.7784+130.2600/+30.7800+130.2584/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7855+130.1800/+30.8000+130.1631/+30.8002+130.1600/+30.8008+130.1400/+30.8019+130.1200/+30.8052+130.1000/+30.8188+130.0800/+30.8200+130.0782/+30.8212+130.0600/+30.8225+130.0400/+30.8253+130.0200/+30.8344+130.0000/+30.8339+129.9800/+30.8400+129.9695/+30.8412+129.9600/+30.8437+129.9400/+30.8473+129.9200/+30.8516+129.9000/+30.8536+129.8800/+30.8583+129.8600/+30.8600+129.8548/+30.8666+129.8400/+30.8765+129.8200/+30.8800+129.8152/+30.8854+129.8000/+30.8822+129.7800/+30.8939+129.7600/+30.9000+129.7509/+30.9095+129.7400/+30.9195+129.7200/+30.9200+129.7189/+30.9275+129.7000/+30.9341+129.6800/+30.9400+129.6634/+30.9449+129.6600/+30.9600+129.6460/+30.9685+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7869+130.2800/+30.8000+130.2637/+30.8131+130.2800/ 北西 3 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 +31.0458+129.6200/+31.0534+129.6400/+31.0485+129.6600/+31.0422+129.6800/+31.0400+129.6923/+31.0388+129.7000/+31.0341+129.7200/+31.0321+129.7400/+31.0299+129.7600/+31.0265+129.7800/+31.0231+129.8000/+31.0200+129.8096/+31.0159+129.8200/+31.0000+129.8359/+30.9985+129.8400/+30.9947+129.8600/+30.9915+129.8800/+30.9883+129.9000/+30.9829+129.9200/+30.9800+129.9279/+30.9600+129.9388/+30.9596+129.9400/+30.9564+129.9600/+30.9536+129.9800/+30.9487+130.0000/+30.9400+130.0158/+30.9390+130.0200/+30.9200+130.0376/+30.9190+130.0400/+30.9162+130.0600/+30.9009+130.0800/+30.9000+130.0811/+30.8987+130.1000/+30.8952+130.1200/+30.8800+130.1368/+30.8797+130.1400/+30.8789+130.1600/+30.8740+130.1800/+30.8600+130.1943/+30.8598+130.2000/+30.8594+130.2200/+30.8524+130.2400/+30.8400+130.2524/+30.8399+130.2600/+30.8398+130.2800/+30.8245+130.3000/+30.8200+130.3045/+30.8000+130.3200/+30.7800+130.3196/+30.7605+130.3000/+30.7613+130.2800/+30.7800+130.2613/+30.7801+130.2600/+30.7802+130.2400/+30.7832+130.2200/+30.8000+130.2030/+30.8002+130.2000/+30.8008+130.1800/+30.8066+130.1600/+30.8200+130.1459/+30.8205+130.1400/+30.8220+130.1200/+30.8329+130.1000/+30.8400+130.0919/+30.8410+130.0800/+30.8435+130.0600/+30.8580+130.0400/+30.8600+130.0373/+30.8615+130.0200/+30.8600+130.0082/+30.8534+130.0000/+30.8600+129.9914/+30.8642+129.9800/+30.8688+129.9600/+30.8776+129.9400/+30.8800+129.9354/+30.8885+129.9200/+30.8880+129.9000/+30.8939+129.8800/+30.9000+129.8616/+30.9008+129.8600/+30.9200+129.8402/+30.9201+129.8400/+30.9262+129.8200/+30.9264+129.8000/+30.9359+129.7800/+30.9400+129.7742/+30.9532+129.7600/+30.9600+129.7500/+30.9649+129.7400/+30.9727+129.7200/+30.9800+129.7025/+30.9811+129.7000/+30.9905+129.6800/+31.0000+129.6658/+31.0200+129.6616/+31.0226+129.6600/+31.0337+129.6400/+31.0394+129.6200/+31.0400+129.6169/+31.0458+129.6200/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8146+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7854+130.2800/+30.8000+130.2617/+30.8146+130.2800/ 北西 3 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 +31.0219+129.6600/+31.0220+129.6800/+31.0221+129.7000/+31.0200+129.7128/+31.0188+129.7200/+31.0156+129.7400/+31.0101+129.7600/+31.0000+129.7799/+30.9999+129.7800/+30.9935+129.8000/+30.9896+129.8200/+30.9863+129.8400/+30.9821+129.8600/+30.9800+129.8675/+30.9757+129.8800/+30.9644+129.9000/+30.9600+129.9048/+30.9570+129.9200/+30.9520+129.9400/+30.9465+129.9600/+30.9400+129.9724/+30.9380+129.9800/+30.9346+130.0000/+30.9307+130.0200/+30.9200+130.0304/+30.9080+130.0400/+30.9000+130.0509/+30.8991+130.0600/+30.8970+130.0800/+30.8917+130.1000/+30.8800+130.1135/+30.8794+130.1200/+30.8782+130.1400/+30.8730+130.1600/+30.8600+130.1741/+30.8597+130.1800/+30.8594+130.2000/+30.8572+130.2200/+30.8400+130.2376/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2996/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7607+130.2800/+30.7800+130.2607/+30.7800+130.2600/+30.7801+130.2400/+30.7806+130.2200/+30.7884+130.2000/+30.8000+130.1881/+30.8003+130.1800/+30.8009+130.1600/+30.8039+130.1400/+30.8200+130.1214/+30.8202+130.1200/+30.8212+130.1000/+30.8236+130.0800/+30.8347+130.0600/+30.8400+130.0536/+30.8414+130.0400/+30.8442+130.0200/+30.8441+130.0000/+30.8477+129.9800/+30.8539+129.9600/+30.8600+129.9490/+30.8631+129.9400/+30.8683+129.9200/+30.8730+129.9000/+30.8800+129.8884/+30.8837+129.8800/+30.8880+129.8600/+30.8946+129.8400/+30.9000+129.8212/+30.9004+129.8200/+30.9110+129.8000/+30.9175+129.7800/+30.9200+129.7703/+30.9230+129.7600/+30.9299+129.7400/+30.9400+129.7211/+30.9413+129.7200/+30.9600+129.7023/+30.9624+129.7000/+30.9736+129.6800/+30.9800+129.6656/+30.9822+129.6600/+30.9897+129.6400/+30.9986+129.6200/+31.0000+129.6172/+31.0048+129.6200/+31.0190+129.6400/+31.0200+129.6453/+31.0219+129.6600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8151+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7849+130.2800/+30.8000+130.2608/+30.8151+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 +30.9623+129.6800/+30.9666+129.7000/+30.9650+129.7200/+30.9634+129.7400/+30.9601+129.7600/+30.9600+129.7603/+30.9540+129.7800/+30.9502+129.8000/+30.9478+129.8200/+30.9467+129.8400/+30.9455+129.8600/+30.9441+129.8800/+30.9410+129.9000/+30.9400+129.9054/+30.9374+129.9200/+30.9283+129.9400/+30.9254+129.9600/+30.9226+129.9800/+30.9200+129.9882/+30.9172+130.0000/+30.9000+130.0180/+30.8996+130.0200/+30.8976+130.0400/+30.8943+130.0600/+30.8822+130.0800/+30.8800+130.0830/+30.8790+130.1000/+30.8770+130.1200/+30.8701+130.1400/+30.8600+130.1525/+30.8597+130.1600/+30.8593+130.1800/+30.8580+130.2000/+30.8417+130.2200/+30.8400+130.2217/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2994/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7605+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7811+130.2000/+30.7861+130.1800/+30.8000+130.1629/+30.8002+130.1600/+30.8007+130.1400/+30.8019+130.1200/+30.8044+130.1000/+30.8104+130.0800/+30.8200+130.0605/+30.8200+130.0600/+30.8217+130.0400/+30.8239+130.0200/+30.8279+130.0000/+30.8238+129.9800/+30.8315+129.9600/+30.8400+129.9441/+30.8406+129.9400/+30.8423+129.9200/+30.8454+129.9000/+30.8477+129.8800/+30.8499+129.8600/+30.8529+129.8400/+30.8565+129.8200/+30.8600+129.8065/+30.8621+129.8000/+30.8705+129.7800/+30.8787+129.7600/+30.8800+129.7566/+30.8877+129.7400/+30.8966+129.7200/+30.9000+129.7139/+30.9145+129.7000/+30.9200+129.6930/+30.9298+129.6800/+30.9400+129.6661/+30.9600+129.6724/+30.9623+129.6800/ 西 60 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/+30.7852+130.2800/+30.8000+130.2616/+30.8148+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時までは火口から北西方向に降灰が予想されます。 　１日１２時から２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 　０１日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０１日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日２１時から２４時まで　北西　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日００時から０３時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２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。