2026-09-01T14:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T23:00:00+09:00 2026-09-02T00:00:00+09:00 2026-09-02T18:00:00+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、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 2026-09-02T00:00:00+09:00 2026-09-02T03:00:00+09:00 降灰 70 +30.9818+129.6800/+30.9827+129.7000/+30.9803+129.7200/+30.9800+129.7240/+30.9790+129.7400/+30.9777+129.7600/+30.9759+129.7800/+30.9744+129.8000/+30.9600+129.8188/+30.9594+129.8200/+30.9562+129.8400/+30.9531+129.8600/+30.9502+129.8800/+30.9473+129.9000/+30.9433+129.9200/+30.9400+129.9240/+30.9311+129.9400/+30.9275+129.9600/+30.9234+129.9800/+30.9200+129.9889/+30.9166+130.0000/+30.9000+130.0125/+30.8981+130.0200/+30.8954+130.0400/+30.8893+130.0600/+30.8800+130.0724/+30.8794+130.0800/+30.8782+130.1000/+30.8758+130.1200/+30.8606+130.1400/+30.8600+130.1406/+30.8595+130.1600/+30.8591+130.1800/+30.8572+130.2000/+30.8400+130.2186/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8391+130.2800/+30.8200+130.2991/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7604+130.2800/+30.7800+130.2601/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7811+130.2000/+30.7874+130.1800/+30.8000+130.1665/+30.8003+130.1600/+30.8008+130.1400/+30.8021+130.1200/+30.8066+130.1000/+30.8200+130.0829/+30.8203+130.0800/+30.8214+130.0600/+30.8233+130.0400/+30.8276+130.0200/+30.8380+130.0000/+30.8384+129.9800/+30.8400+129.9773/+30.8416+129.9600/+30.8440+129.9400/+30.8484+129.9200/+30.8533+129.9000/+30.8536+129.8800/+30.8582+129.8600/+30.8600+129.8544/+30.8667+129.8400/+30.8774+129.8200/+30.8800+129.8167/+30.8862+129.8000/+30.8818+129.7800/+30.8912+129.7600/+30.9000+129.7466/+30.9057+129.7400/+30.9189+129.7200/+30.9200+129.7182/+30.9294+129.7000/+30.9371+129.6800/+30.9400+129.6736/+30.9561+129.6600/+30.9600+129.6563/+30.9749+129.6600/+30.9800+129.6683/+30.9818+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8147+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7853+130.2800/+30.8000+130.2610/+30.8147+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 +31.0007+129.6400/+31.0095+129.6600/+31.0120+129.6800/+31.0138+129.7000/+31.0078+129.7200/+31.0013+129.7400/+31.0000+129.7436/+30.9911+129.7600/+30.9881+129.7800/+30.9869+129.8000/+30.9854+129.8200/+30.9844+129.8400/+30.9813+129.8600/+30.9800+129.8667/+30.9769+129.8800/+30.9730+129.9000/+30.9672+129.9200/+30.9619+129.9400/+30.9629+129.9600/+30.9613+129.9800/+30.9600+129.9820/+30.9508+130.0000/+30.9430+130.0200/+30.9400+130.0298/+30.9380+130.0400/+30.9270+130.0600/+30.9200+130.0696/+30.9141+130.0800/+30.9061+130.1000/+30.9000+130.1074/+30.8920+130.1200/+30.8853+130.1400/+30.8800+130.1466/+30.8773+130.1600/+30.8685+130.1800/+30.8600+130.1904/+30.8596+130.2000/+30.8581+130.2200/+30.8432+130.2400/+30.8400+130.2433/+30.8399+130.2600/+30.8397+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8087+130.3200/+30.8000+130.3287/+30.7842+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7608+130.2800/+30.7800+130.2607/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7832+130.2000/+30.8000+130.1800/+30.8006+130.1600/+30.8017+130.1400/+30.8047+130.1200/+30.8109+130.1000/+30.8200+130.0837/+30.8204+130.0800/+30.8231+130.0600/+30.8273+130.0400/+30.8333+130.0200/+30.8400+130.0084/+30.8417+130.0000/+30.8442+129.9800/+30.8506+129.9600/+30.8600+129.9435/+30.8617+129.9400/+30.8683+129.9200/+30.8737+129.9000/+30.8800+129.8887/+30.8835+129.8800/+30.8883+129.8600/+30.8949+129.8400/+30.9000+129.8228/+30.9011+129.8200/+30.9134+129.8000/+30.9200+129.7836/+30.9213+129.7800/+30.9298+129.7600/+30.9385+129.7400/+30.9400+129.7363/+30.9536+129.7200/+30.9600+129.7104/+30.9683+129.7000/+30.9800+129.6841/+30.9823+129.6800/+30.9908+129.6600/+30.9995+129.6400/+31.0000+129.6392/+31.0007+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8135+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7865+130.2800/+30.8000+130.2624/+30.8135+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 +30.9640+129.7200/+30.9685+129.7400/+30.9706+129.7600/+30.9715+129.7800/+30.9722+129.8000/+30.9686+129.8200/+30.9624+129.8400/+30.9600+129.8466/+30.9574+129.8600/+30.9545+129.8800/+30.9510+129.9000/+30.9477+129.9200/+30.9400+129.9364/+30.9386+129.9400/+30.9346+129.9600/+30.9291+129.9800/+30.9237+130.0000/+30.9200+130.0098/+30.9150+130.0200/+30.9000+130.0346/+30.8991+130.0400/+30.8963+130.0600/+30.8917+130.0800/+30.8824+130.1000/+30.8800+130.1034/+30.8782+130.1200/+30.8759+130.1400/+30.8697+130.1600/+30.8600+130.1728/+30.8594+130.1800/+30.8584+130.2000/+30.8559+130.2200/+30.8400+130.2389/+30.8400+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2994/+30.8200+130.3000/+30.8118+130.3200/+30.8000+130.3318/+30.7800+130.3208/+30.7792+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7650+130.2600/+30.7800+130.2448/+30.7801+130.2400/+30.7803+130.2200/+30.7808+130.2000/+30.7821+130.1800/+30.7863+130.1600/+30.8000+130.1407/+30.8001+130.1400/+30.8012+130.1200/+30.8025+130.1000/+30.8054+130.0800/+30.8115+130.0600/+30.8200+130.0446/+30.8207+130.0400/+30.8234+130.0200/+30.8297+130.0000/+30.8332+129.9800/+30.8400+129.9682/+30.8416+129.9600/+30.8459+129.9400/+30.8529+129.9200/+30.8600+129.9042/+30.8621+129.9000/+30.8669+129.8800/+30.8739+129.8600/+30.8800+129.8475/+30.8824+129.8400/+30.8897+129.8200/+30.8980+129.8000/+30.9000+129.7939/+30.9119+129.7800/+30.9200+129.7668/+30.9235+129.7600/+30.9314+129.7400/+30.9387+129.7200/+30.9400+129.7167/+30.9600+129.7087/+30.9640+129.7200/ 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/+30.7812+130.3000/+30.7877+130.2800/+30.8000+130.2649/+30.8123+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 +30.9025+129.6800/+30.9061+129.7000/+30.9111+129.7200/+30.9150+129.7400/+30.9165+129.7600/+30.9163+129.7800/+30.9161+129.8000/+30.9088+129.8200/+30.9082+129.8400/+30.9079+129.8600/+30.9075+129.8800/+30.9069+129.9000/+30.9000+129.9096/+30.8959+129.9200/+30.8951+129.9400/+30.8944+129.9600/+30.8934+129.9800/+30.8914+130.0000/+30.8800+130.0128/+30.8773+130.0200/+30.8760+130.0400/+30.8734+130.0600/+30.8682+130.0800/+30.8600+130.0958/+30.8598+130.1000/+30.8591+130.1200/+30.8584+130.1400/+30.8574+130.1600/+30.8540+130.1800/+30.8400+130.1977/+30.8399+130.2000/+30.8398+130.2200/+30.8397+130.2400/+30.8395+130.2600/+30.8362+130.2800/+30.8200+130.2962/+30.8199+130.3000/+30.8085+130.3200/+30.8000+130.3285/+30.7841+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7611+130.2600/+30.7691+130.2400/+30.7800+130.2272/+30.7801+130.2200/+30.7803+130.2000/+30.7807+130.1800/+30.7817+130.1600/+30.7836+130.1400/+30.7869+130.1200/+30.7945+130.1000/+30.8000+130.0882/+30.8004+130.0800/+30.8011+130.0600/+30.8023+130.0400/+30.8040+130.0200/+30.8058+130.0000/+30.8028+129.9800/+30.8048+129.9600/+30.8075+129.9400/+30.8118+129.9200/+30.8172+129.9000/+30.8169+129.8800/+30.8200+129.8627/+30.8206+129.8600/+30.8260+129.8400/+30.8283+129.8200/+30.8310+129.8000/+30.8319+129.7800/+30.8375+129.7600/+30.8400+129.7522/+30.8474+129.7400/+30.8600+129.7205/+30.8607+129.7200/+30.8800+129.7039/+30.8840+129.7000/+30.8942+129.6800/+30.9000+129.6678/+30.9025+129.6800/ 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+130.2635/+30.8133+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 +30.9059+129.6000/+30.9072+129.6200/+30.9083+129.6400/+30.9102+129.6600/+30.9126+129.6800/+30.9147+129.7000/+30.9152+129.7200/+30.9157+129.7400/+30.9152+129.7600/+30.9137+129.7800/+30.9134+129.8000/+30.9065+129.8200/+30.9054+129.8400/+30.9040+129.8600/+30.9026+129.8800/+30.9018+129.9000/+30.9000+129.9021/+30.8924+129.9200/+30.8910+129.9400/+30.8892+129.9600/+30.8866+129.9800/+30.8816+130.0000/+30.8800+130.0016/+30.8705+130.0200/+30.8614+130.0400/+30.8600+130.0426/+30.8592+130.0600/+30.8586+130.0800/+30.8577+130.1000/+30.8564+130.1200/+30.8521+130.1400/+30.8400+130.1593/+30.8400+130.1600/+30.8397+130.1800/+30.8397+130.2000/+30.8395+130.2200/+30.8392+130.2400/+30.8370+130.2600/+30.8200+130.2778/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7612+130.2400/+30.7642+130.2200/+30.7698+130.2000/+30.7800+130.1809/+30.7800+130.1800/+30.7802+130.1600/+30.7805+130.1400/+30.7812+130.1200/+30.7820+130.1000/+30.7840+130.0800/+30.7852+130.0600/+30.7885+130.0400/+30.7956+130.0200/+30.8000+130.0044/+30.8003+130.0000/+30.8000+129.9982/+30.7909+129.9800/+30.7943+129.9600/+30.7998+129.9400/+30.8000+129.9393/+30.8033+129.9200/+30.8068+129.9000/+30.8093+129.8800/+30.8113+129.8600/+30.8139+129.8400/+30.8162+129.8200/+30.8194+129.8000/+30.8200+129.7940/+30.8215+129.7800/+30.8250+129.7600/+30.8288+129.7400/+30.8329+129.7200/+30.8381+129.7000/+30.8400+129.6926/+30.8465+129.6800/+30.8579+129.6600/+30.8600+129.6555/+30.8744+129.6400/+30.8800+129.6282/+30.8832+129.6200/+30.8892+129.6000/+30.9000+129.5848/+30.9059+129.6000/ 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+130.2620/+30.8144+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +30.8632+129.6200/+30.8685+129.6400/+30.8717+129.6600/+30.8739+129.6800/+30.8756+129.7000/+30.8762+129.7200/+30.8768+129.7400/+30.8770+129.7600/+30.8771+129.7800/+30.8707+129.8000/+30.8700+129.8200/+30.8694+129.8400/+30.8696+129.8600/+30.8698+129.8800/+30.8665+129.9000/+30.8640+129.9200/+30.8629+129.9400/+30.8626+129.9600/+30.8630+129.9800/+30.8610+130.0000/+30.8600+130.0012/+30.8530+130.0200/+30.8500+130.0400/+30.8481+130.0600/+30.8409+130.0800/+30.8400+130.0827/+30.8394+130.1000/+30.8390+130.1200/+30.8386+130.1400/+30.8385+130.1600/+30.8385+130.1800/+30.8378+130.2000/+30.8373+130.2200/+30.8352+130.2400/+30.8209+130.2600/+30.8200+130.2610/+30.8200+130.2800/+30.8199+130.3000/+30.8034+130.3200/+30.8000+130.3234/+30.7929+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7602+130.2600/+30.7603+130.2400/+30.7605+130.2200/+30.7608+130.2000/+30.7612+130.1800/+30.7615+130.1600/+30.7620+130.1400/+30.7627+130.1200/+30.7636+130.1000/+30.7641+130.0800/+30.7644+130.0600/+30.7659+130.0400/+30.7669+130.0200/+30.7677+130.0000/+30.7600+129.9805/+30.7595+129.9800/+30.7600+129.9768/+30.7617+129.9600/+30.7647+129.9400/+30.7694+129.9200/+30.7737+129.9000/+30.7710+129.8800/+30.7726+129.8600/+30.7748+129.8400/+30.7769+129.8200/+30.7794+129.8000/+30.7800+129.7889/+30.7807+129.7800/+30.7876+129.7600/+30.7952+129.7400/+30.8000+129.7261/+30.8031+129.7200/+30.8117+129.7000/+30.8174+129.6800/+30.8200+129.6713/+30.8234+129.6600/+30.8301+129.6400/+30.8380+129.6200/+30.8400+129.6153/+30.8600+129.6115/+30.8632+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8150+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2615/+30.8150+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、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。 　２日０時から２日１８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 　０２日００時から０３時まで　西　　　　　　　６０ｋｍ　　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　　　　　 　０２日１５時から１８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。