2026-08-18T17:00:00Z 通常 気象庁本庁 気象庁 2026-08-19T02:00:00+09:00 2026-08-19T03:00:00+09:00 2026-08-19T21:00:00+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、１９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 2026-08-19T03:00:00+09:00 2026-08-19T06:00:00+09:00 降灰 70 +30.9644+129.7200/+30.9739+129.7400/+30.9771+129.7600/+30.9781+129.7800/+30.9787+129.8000/+30.9753+129.8200/+30.9683+129.8400/+30.9600+129.8575/+30.9592+129.8600/+30.9542+129.8800/+30.9512+129.9000/+30.9490+129.9200/+30.9400+129.9376/+30.9389+129.9400/+30.9342+129.9600/+30.9290+129.9800/+30.9234+130.0000/+30.9200+130.0090/+30.9150+130.0200/+30.9000+130.0344/+30.8990+130.0400/+30.8957+130.0600/+30.8908+130.0800/+30.8800+130.0966/+30.8795+130.1000/+30.8774+130.1200/+30.8738+130.1400/+30.8600+130.1576/+30.8598+130.1600/+30.8590+130.1800/+30.8578+130.2000/+30.8469+130.2200/+30.8400+130.2272/+30.8399+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8076+130.3200/+30.8000+130.3276/+30.7875+130.3200/+30.7800+130.3199/+30.7603+130.3000/+30.7603+130.2800/+30.7618+130.2600/+30.7800+130.2408/+30.7800+130.2400/+30.7802+130.2200/+30.7806+130.2000/+30.7817+130.1800/+30.7847+130.1600/+30.7911+130.1400/+30.8000+130.1252/+30.8004+130.1200/+30.8019+130.1000/+30.8057+130.0800/+30.8104+130.0600/+30.8181+130.0400/+30.8200+130.0361/+30.8222+130.0200/+30.8261+130.0000/+30.8261+129.9800/+30.8376+129.9600/+30.8400+129.9566/+30.8441+129.9400/+30.8497+129.9200/+30.8569+129.9000/+30.8600+129.8854/+30.8614+129.8800/+30.8709+129.8600/+30.8800+129.8490/+30.8851+129.8400/+30.8908+129.8200/+30.8976+129.8000/+30.9000+129.7934/+30.9104+129.7800/+30.9200+129.7647/+30.9228+129.7600/+30.9334+129.7400/+30.9400+129.7268/+30.9530+129.7200/+30.9600+129.7154/+30.9644+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8114+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7886+130.2800/+30.8000+130.2655/+30.8114+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T06:00:00+09:00 2026-08-19T09:00:00+09:00 降灰 70 +30.9621+129.6600/+30.9655+129.6800/+30.9677+129.7000/+30.9677+129.7200/+30.9677+129.7400/+30.9667+129.7600/+30.9645+129.7800/+30.9623+129.8000/+30.9600+129.8023/+30.9512+129.8200/+30.9485+129.8400/+30.9460+129.8600/+30.9433+129.8800/+30.9400+129.8992/+30.9398+129.9000/+30.9362+129.9200/+30.9258+129.9400/+30.9200+129.9571/+30.9193+129.9600/+30.9136+129.9800/+30.9008+130.0000/+30.9000+130.0006/+30.8945+130.0200/+30.8879+130.0400/+30.8800+130.0522/+30.8792+130.0600/+30.8776+130.0800/+30.8754+130.1000/+30.8666+130.1200/+30.8600+130.1280/+30.8594+130.1400/+30.8588+130.1600/+30.8574+130.1800/+30.8493+130.2000/+30.8400+130.2100/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8385+130.2800/+30.8200+130.2992/+30.8200+130.3000/+30.8009+130.3200/+30.8000+130.3209/+30.7985+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7610+130.2600/+30.7729+130.2400/+30.7800+130.2325/+30.7801+130.2200/+30.7804+130.2000/+30.7809+130.1800/+30.7824+130.1600/+30.7853+130.1400/+30.7922+130.1200/+30.8000+130.1079/+30.8006+130.1000/+30.8017+130.0800/+30.8047+130.0600/+30.8086+130.0400/+30.8159+130.0200/+30.8200+130.0077/+30.8206+130.0000/+30.8200+129.9947/+30.8133+129.9800/+30.8200+129.9646/+30.8217+129.9600/+30.8319+129.9400/+30.8400+129.9284/+30.8419+129.9200/+30.8461+129.9000/+30.8499+129.8800/+30.8538+129.8600/+30.8599+129.8400/+30.8600+129.8397/+30.8672+129.8200/+30.8800+129.8011/+30.8806+129.8000/+30.8800+129.7923/+30.8786+129.7800/+30.8800+129.7763/+30.8874+129.7600/+30.8991+129.7400/+30.9000+129.7386/+30.9183+129.7200/+30.9200+129.7174/+30.9287+129.7000/+30.9346+129.6800/+30.9400+129.6616/+30.9444+129.6600/+30.9600+129.6540/+30.9621+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2628/+30.8138+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T09:00:00+09:00 2026-08-19T12:00:00+09:00 降灰 70 +30.9715+129.6400/+30.9758+129.6600/+30.9766+129.6800/+30.9771+129.7000/+30.9750+129.7200/+30.9730+129.7400/+30.9702+129.7600/+30.9659+129.7800/+30.9606+129.8000/+30.9600+129.8005/+30.9509+129.8200/+30.9485+129.8400/+30.9456+129.8600/+30.9420+129.8800/+30.9400+129.8887/+30.9366+129.9000/+30.9308+129.9200/+30.9225+129.9400/+30.9200+129.9480/+30.9173+129.9600/+30.9080+129.9800/+30.9000+129.9921/+30.8993+130.0000/+30.8943+130.0200/+30.8864+130.0400/+30.8800+130.0490/+30.8790+130.0600/+30.8773+130.0800/+30.8746+130.1000/+30.8667+130.1200/+30.8600+130.1278/+30.8594+130.1400/+30.8591+130.1600/+30.8582+130.1800/+30.8531+130.2000/+30.8400+130.2199/+30.8400+130.2200/+30.8399+130.2400/+30.8397+130.2600/+30.8386+130.2800/+30.8200+130.2989/+30.8199+130.3000/+30.8015+130.3200/+30.8000+130.3215/+30.7973+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7603+130.2800/+30.7617+130.2600/+30.7800+130.2402/+30.7800+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7810+130.1800/+30.7827+130.1600/+30.7867+130.1400/+30.7989+130.1200/+30.8000+130.1179/+30.8007+130.1000/+30.8020+130.0800/+30.8048+130.0600/+30.8097+130.0400/+30.8167+130.0200/+30.8200+130.0138/+30.8217+130.0000/+30.8200+129.9904/+30.8134+129.9800/+30.8200+129.9630/+30.8209+129.9600/+30.8301+129.9400/+30.8400+129.9282/+30.8423+129.9200/+30.8450+129.9000/+30.8471+129.8800/+30.8504+129.8600/+30.8555+129.8400/+30.8600+129.8216/+30.8605+129.8200/+30.8686+129.8000/+30.8716+129.7800/+30.8784+129.7600/+30.8800+129.7554/+30.8868+129.7400/+30.8965+129.7200/+30.9000+129.7145/+30.9097+129.7000/+30.9184+129.6800/+30.9200+129.6764/+30.9272+129.6600/+30.9365+129.6400/+30.9400+129.6336/+30.9600+129.6239/+30.9715+129.6400/ 西 70 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+130.2623/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T12:00:00+09:00 2026-08-19T15:00:00+09:00 降灰 70 +31.0075+129.6800/+31.0160+129.7000/+31.0162+129.7200/+31.0164+129.7400/+31.0139+129.7600/+31.0082+129.7800/+31.0015+129.8000/+31.0000+129.8023/+30.9928+129.8200/+30.9879+129.8400/+30.9848+129.8600/+30.9812+129.8800/+30.9800+129.8834/+30.9716+129.9000/+30.9600+129.9121/+30.9574+129.9200/+30.9517+129.9400/+30.9459+129.9600/+30.9400+129.9724/+30.9382+129.9800/+30.9348+130.0000/+30.9304+130.0200/+30.9200+130.0298/+30.9086+130.0400/+30.9000+130.0518/+30.8990+130.0600/+30.8962+130.0800/+30.8880+130.1000/+30.8800+130.1095/+30.8792+130.1200/+30.8778+130.1400/+30.8720+130.1600/+30.8600+130.1731/+30.8596+130.1800/+30.8592+130.2000/+30.8567+130.2200/+30.8400+130.2371/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8053+130.3200/+30.8000+130.3253/+30.7914+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7833+130.2000/+30.8000+130.1813/+30.8001+130.1800/+30.8007+130.1600/+30.8020+130.1400/+30.8069+130.1200/+30.8200+130.1015/+30.8202+130.1000/+30.8219+130.0800/+30.8248+130.0600/+30.8334+130.0400/+30.8400+130.0309/+30.8418+130.0200/+30.8433+130.0000/+30.8455+129.9800/+30.8503+129.9600/+30.8600+129.9409/+30.8604+129.9400/+30.8679+129.9200/+30.8754+129.9000/+30.8800+129.8931/+30.8856+129.8800/+30.8904+129.8600/+30.8984+129.8400/+30.9000+129.8352/+30.9070+129.8200/+30.9183+129.8000/+30.9200+129.7949/+30.9250+129.7800/+30.9338+129.7600/+30.9400+129.7481/+30.9483+129.7400/+30.9600+129.7275/+30.9692+129.7200/+30.9800+129.7057/+30.9830+129.7000/+30.9945+129.6800/+31.0000+129.6706/+31.0075+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7884+130.2800/+30.8000+130.2649/+30.8116+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T15:00:00+09:00 2026-08-19T18:00:00+09:00 降灰 70 +31.0066+129.6800/+31.0136+129.7000/+31.0097+129.7200/+31.0062+129.7400/+31.0006+129.7600/+31.0000+129.7615/+30.9925+129.7800/+30.9898+129.8000/+30.9850+129.8200/+30.9815+129.8400/+30.9800+129.8447/+30.9739+129.8600/+30.9617+129.8800/+30.9600+129.8828/+30.9563+129.9000/+30.9529+129.9200/+30.9452+129.9400/+30.9400+129.9529/+30.9382+129.9600/+30.9345+129.9800/+30.9298+130.0000/+30.9224+130.0200/+30.9200+130.0223/+30.9000+130.0374/+30.8995+130.0400/+30.8970+130.0600/+30.8933+130.0800/+30.8814+130.1000/+30.8800+130.1016/+30.8783+130.1200/+30.8756+130.1400/+30.8621+130.1600/+30.8600+130.1623/+30.8594+130.1800/+30.8587+130.2000/+30.8531+130.2200/+30.8400+130.2334/+30.8399+130.2400/+30.8398+130.2600/+30.8394+130.2800/+30.8207+130.3000/+30.8200+130.3007/+30.8022+130.3200/+30.8000+130.3222/+30.7964+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7605+130.2800/+30.7761+130.2600/+30.7800+130.2561/+30.7801+130.2400/+30.7803+130.2200/+30.7811+130.2000/+30.7845+130.1800/+30.8000+130.1605/+30.8000+130.1600/+30.8007+130.1400/+30.8020+130.1200/+30.8048+130.1000/+30.8091+130.0800/+30.8200+130.0629/+30.8205+130.0600/+30.8224+130.0400/+30.8255+130.0200/+30.8341+130.0000/+30.8359+129.9800/+30.8400+129.9729/+30.8421+129.9600/+30.8466+129.9400/+30.8547+129.9200/+30.8600+129.9092/+30.8638+129.9000/+30.8696+129.8800/+30.8800+129.8620/+30.8807+129.8600/+30.8885+129.8400/+30.8947+129.8200/+30.9000+129.8073/+30.9055+129.8000/+30.9169+129.7800/+30.9200+129.7743/+30.9287+129.7600/+30.9400+129.7409/+30.9413+129.7400/+30.9593+129.7200/+30.9600+129.7190/+30.9758+129.7000/+30.9800+129.6952/+30.9923+129.6800/+31.0000+129.6696/+31.0066+129.6800/ 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+130.2645/+30.8127+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-19T18:00:00+09:00 2026-08-19T21:00:00+09:00 降灰 70 +31.0241+129.7000/+31.0247+129.7200/+31.0249+129.7400/+31.0227+129.7600/+31.0200+129.7719/+31.0182+129.7800/+31.0137+129.8000/+31.0036+129.8200/+31.0000+129.8242/+30.9942+129.8400/+30.9888+129.8600/+30.9839+129.8800/+30.9800+129.8944/+30.9781+129.9000/+30.9684+129.9200/+30.9600+129.9277/+30.9563+129.9400/+30.9524+129.9600/+30.9451+129.9800/+30.9400+129.9913/+30.9379+130.0000/+30.9336+130.0200/+30.9200+130.0325/+30.9154+130.0400/+30.9061+130.0600/+30.9000+130.0683/+30.8986+130.0800/+30.8960+130.1000/+30.8863+130.1200/+30.8800+130.1273/+30.8789+130.1400/+30.8769+130.1600/+30.8626+130.1800/+30.8600+130.1828/+30.8595+130.2000/+30.8585+130.2200/+30.8400+130.2400/+30.8399+130.2600/+30.8397+130.2800/+30.8310+130.3000/+30.8200+130.3110/+30.8030+130.3200/+30.8000+130.3230/+30.7952+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7801+130.2400/+30.7806+130.2200/+30.7836+130.2000/+30.8000+130.1807/+30.8001+130.1800/+30.8008+130.1600/+30.8026+130.1400/+30.8066+130.1200/+30.8197+130.1000/+30.8200+130.0996/+30.8221+130.0800/+30.8256+130.0600/+30.8348+130.0400/+30.8400+130.0311/+30.8418+130.0200/+30.8434+130.0000/+30.8471+129.9800/+30.8527+129.9600/+30.8600+129.9439/+30.8615+129.9400/+30.8688+129.9200/+30.8786+129.9000/+30.8800+129.8981/+30.8888+129.8800/+30.8945+129.8600/+30.9000+129.8469/+30.9038+129.8400/+30.9131+129.8200/+30.9200+129.8044/+30.9218+129.8000/+30.9317+129.7800/+30.9400+129.7685/+30.9503+129.7600/+30.9600+129.7487/+30.9669+129.7400/+30.9789+129.7200/+30.9800+129.7181/+30.9907+129.7000/+31.0000+129.6863/+31.0200+129.6956/+31.0241+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8154+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7879+130.2800/+30.8000+130.2645/+30.8154+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、１９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。 　１９日３時から１９日２１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 　１９日０３時から０６時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日０９時から１２時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１９日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１９日１８時から２１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。