2026-07-03T05:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T14:00:00+09:00 2026-07-03T15:00:00+09:00 2026-07-04T09:00:00+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、３日２１時から２４時までは火口から東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 鹿児島県南大隅町 4649100 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 鹿児島県南大隅町 4649100 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-07-03T15:00:00+09:00 2026-07-03T18:00:00+09:00 降灰 70 +30.8455+130.4400/+30.8491+130.4600/+30.8510+130.4800/+30.8525+130.5000/+30.8546+130.5200/+30.8547+130.5400/+30.8548+130.5600/+30.8539+130.5800/+30.8541+130.6000/+30.8586+130.6200/+30.8569+130.6400/+30.8561+130.6600/+30.8551+130.6800/+30.8539+130.7000/+30.8572+130.7200/+30.8544+130.7400/+30.8511+130.7600/+30.8487+130.7800/+30.8455+130.8000/+30.8414+130.8200/+30.8400+130.8219/+30.8357+130.8200/+30.8220+130.8000/+30.8200+130.7979/+30.8000+130.7825/+30.7991+130.7800/+30.7927+130.7600/+30.7876+130.7400/+30.7884+130.7200/+30.7858+130.7000/+30.7843+130.6800/+30.7834+130.6600/+30.7830+130.6400/+30.7808+130.6200/+30.7808+130.6000/+30.7807+130.5800/+30.7800+130.5635/+30.7794+130.5600/+30.7786+130.5400/+30.7737+130.5200/+30.7748+130.5000/+30.7737+130.4800/+30.7717+130.4600/+30.7699+130.4400/+30.7683+130.4200/+30.7646+130.4000/+30.7628+130.3800/+30.7612+130.3600/+30.7603+130.3400/+30.7601+130.3200/+30.7603+130.3000/+30.7800+130.2803/+30.8000+130.2801/+30.8199+130.3000/+30.8200+130.3062/+30.8338+130.3200/+30.8389+130.3400/+30.8393+130.3600/+30.8393+130.3800/+30.8395+130.4000/+30.8399+130.4200/+30.8400+130.4232/+30.8455+130.4400/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8013+130.3400/+30.8000+130.3416/+30.7988+130.3400/+30.7813+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-03T18:00:00+09:00 2026-07-03T21:00:00+09:00 降灰 70 +30.8431+130.4200/+30.8494+130.4400/+30.8520+130.4600/+30.8534+130.4800/+30.8536+130.5000/+30.8546+130.5200/+30.8533+130.5400/+30.8529+130.5600/+30.8497+130.5800/+30.8485+130.6000/+30.8522+130.6200/+30.8508+130.6400/+30.8480+130.6600/+30.8439+130.6800/+30.8400+130.6941/+30.8388+130.7000/+30.8355+130.7200/+30.8288+130.7400/+30.8200+130.7584/+30.8190+130.7600/+30.8105+130.7800/+30.8006+130.8000/+30.8000+130.8016/+30.7993+130.8000/+30.7896+130.7800/+30.7836+130.7600/+30.7800+130.7487/+30.7780+130.7400/+30.7716+130.7200/+30.7710+130.7000/+30.7689+130.6800/+30.7670+130.6600/+30.7655+130.6400/+30.7672+130.6200/+30.7743+130.6000/+30.7731+130.5800/+30.7752+130.5600/+30.7744+130.5400/+30.7761+130.5200/+30.7755+130.5000/+30.7788+130.4800/+30.7742+130.4600/+30.7720+130.4400/+30.7712+130.4200/+30.7683+130.4000/+30.7649+130.3800/+30.7617+130.3600/+30.7603+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2801/+30.8199+130.3000/+30.8200+130.3084/+30.8316+130.3200/+30.8392+130.3400/+30.8395+130.3600/+30.8396+130.3800/+30.8398+130.4000/+30.8400+130.4129/+30.8431+130.4200/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8186+130.3200/+30.8000+130.3399/+30.7814+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-07-03T21:00:00+09:00 2026-07-04T00:00:00+09:00 降灰 70 +30.9006+130.5600/+30.9073+130.5800/+30.9168+130.6000/+30.9182+130.6200/+30.9193+130.6400/+30.9188+130.6600/+30.9187+130.6800/+30.9176+130.7000/+30.9150+130.7200/+30.9123+130.7400/+30.9077+130.7600/+30.9017+130.7800/+30.9000+130.7842/+30.8903+130.8000/+30.8800+130.8067/+30.8746+130.8000/+30.8654+130.7800/+30.8600+130.7657/+30.8581+130.7600/+30.8522+130.7400/+30.8492+130.7200/+30.8443+130.7000/+30.8407+130.6800/+30.8400+130.6761/+30.8349+130.6600/+30.8298+130.6400/+30.8261+130.6200/+30.8302+130.6000/+30.8258+130.5800/+30.8240+130.5600/+30.8212+130.5400/+30.8200+130.5217/+30.8194+130.5200/+30.8111+130.5000/+30.8044+130.4800/+30.8021+130.4600/+30.8007+130.4400/+30.8000+130.4270/+30.7950+130.4200/+30.7832+130.4000/+30.7806+130.3800/+30.7801+130.3600/+30.7800+130.3578/+30.7622+130.3400/+30.7602+130.3200/+30.7605+130.3000/+30.7800+130.2805/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3007/+30.8393+130.3200/+30.8399+130.3400/+30.8400+130.3481/+30.8519+130.3600/+30.8590+130.3800/+30.8597+130.4000/+30.8600+130.4046/+30.8732+130.4200/+30.8780+130.4400/+30.8795+130.4600/+30.8800+130.4673/+30.8873+130.4800/+30.8944+130.5000/+30.8973+130.5200/+30.8988+130.5400/+30.9000+130.5583/+30.9006+130.5600/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3396/+30.7813+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +31.0060+130.7200/+31.0097+130.7400/+31.0155+130.7600/+31.0159+130.7800/+31.0164+130.8000/+31.0132+130.8200/+31.0088+130.8400/+31.0040+130.8600/+31.0000+130.8754/+30.9953+130.8600/+30.9866+130.8400/+30.9800+130.8294/+30.9733+130.8200/+30.9600+130.8043/+30.9577+130.8000/+30.9417+130.7800/+30.9400+130.7746/+30.9363+130.7600/+30.9303+130.7400/+30.9253+130.7200/+30.9200+130.7090/+30.9157+130.7000/+30.9085+130.6800/+30.9039+130.6600/+30.9003+130.6400/+30.9000+130.6392/+30.8836+130.6200/+30.8838+130.6000/+30.8811+130.5800/+30.8800+130.5764/+30.8679+130.5600/+30.8625+130.5400/+30.8600+130.5219/+30.8586+130.5200/+30.8438+130.5000/+30.8407+130.4800/+30.8400+130.4769/+30.8253+130.4600/+30.8210+130.4400/+30.8200+130.4300/+30.8103+130.4200/+30.8008+130.4000/+30.8000+130.3811/+30.7989+130.3800/+30.7803+130.3600/+30.7800+130.3400/+30.7800+130.3396/+30.7605+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3400/+30.8400+130.3403/+30.8594+130.3600/+30.8600+130.3800/+30.8600+130.3804/+30.8786+130.4000/+30.8799+130.4200/+30.8800+130.4205/+30.8975+130.4400/+30.8997+130.4600/+30.9000+130.4613/+30.9160+130.4800/+30.9190+130.5000/+30.9200+130.5042/+30.9334+130.5200/+30.9381+130.5400/+30.9400+130.5492/+30.9500+130.5600/+30.9584+130.5800/+30.9600+130.5870/+30.9722+130.6000/+30.9796+130.6200/+30.9800+130.6215/+30.9865+130.6400/+30.9901+130.6600/+30.9937+130.6800/+30.9973+130.7000/+31.0000+130.7098/+31.0060+130.7200/ 北東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8000+130.3398/+30.7812+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0631+130.7800/+31.0704+130.8000/+31.0716+130.8200/+31.0730+130.8400/+31.0724+130.8600/+31.0693+130.8800/+31.0645+130.9000/+31.0600+130.9105/+31.0400+130.9074/+31.0365+130.9000/+31.0271+130.8800/+31.0200+130.8655/+31.0173+130.8600/+31.0054+130.8400/+31.0000+130.8342/+30.9912+130.8200/+30.9827+130.8000/+30.9800+130.7913/+30.9777+130.7800/+30.9723+130.7600/+30.9651+130.7400/+30.9600+130.7249/+30.9566+130.7200/+30.9400+130.7015/+30.9392+130.7000/+30.9386+130.6800/+30.9294+130.6600/+30.9237+130.6400/+30.9200+130.6330/+30.9112+130.6200/+30.9043+130.6000/+30.9034+130.5800/+30.9004+130.5600/+30.9000+130.5589/+30.8842+130.5400/+30.8807+130.5200/+30.8800+130.5179/+30.8638+130.5000/+30.8605+130.4800/+30.8600+130.4785/+30.8425+130.4600/+30.8402+130.4400/+30.8400+130.4394/+30.8212+130.4200/+30.8200+130.4060/+30.8140+130.4000/+30.8003+130.3800/+30.8000+130.3781/+30.7819+130.3600/+30.7801+130.3400/+30.7800+130.3390/+30.7610+130.3200/+30.7615+130.3000/+30.7800+130.2815/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3001/+30.8398+130.3200/+30.8400+130.3228/+30.8572+130.3400/+30.8598+130.3600/+30.8600+130.3617/+30.8783+130.3800/+30.8798+130.4000/+30.8800+130.4008/+30.8985+130.4200/+30.9000+130.4375/+30.9025+130.4400/+30.9183+130.4600/+30.9200+130.4706/+30.9291+130.4800/+30.9383+130.5000/+30.9400+130.5100/+30.9492+130.5200/+30.9580+130.5400/+30.9600+130.5450/+30.9800+130.5555/+30.9829+130.5600/+30.9917+130.5800/+30.9969+130.6000/+31.0000+130.6104/+31.0056+130.6200/+31.0200+130.6385/+31.0215+130.6400/+31.0266+130.6600/+31.0300+130.6800/+31.0330+130.7000/+31.0367+130.7200/+31.0400+130.7322/+31.0454+130.7400/+31.0530+130.7600/+31.0600+130.7732/+31.0631+130.7800/ 北東 60 鹿児島県三島村 4630300 鹿児島県南大隅町 4649100 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8192+130.3200/+30.8103+130.3400/+30.8000+130.3441/+30.7959+130.3400/+30.7812+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +31.0647+130.8800/+31.0698+130.9000/+31.0702+130.9200/+31.0707+130.9400/+31.0711+130.9600/+31.0716+130.9800/+31.0724+131.0000/+31.0600+131.0177/+31.0400+131.0043/+31.0382+131.0000/+31.0339+130.9800/+31.0296+130.9600/+31.0248+130.9400/+31.0200+130.9262/+31.0173+130.9200/+31.0050+130.9000/+31.0000+130.8965/+30.9880+130.8800/+30.9800+130.8626/+30.9790+130.8600/+30.9730+130.8400/+30.9680+130.8200/+30.9637+130.8000/+30.9600+130.7893/+30.9550+130.7800/+30.9437+130.7600/+30.9400+130.7541/+30.9343+130.7400/+30.9299+130.7200/+30.9247+130.7000/+30.9200+130.6837/+30.9180+130.6800/+30.9084+130.6600/+30.9046+130.6400/+30.9006+130.6200/+30.9000+130.6185/+30.8872+130.6000/+30.8845+130.5800/+30.8810+130.5600/+30.8800+130.5559/+30.8663+130.5400/+30.8614+130.5200/+30.8600+130.5111/+30.8496+130.5000/+30.8415+130.4800/+30.8400+130.4636/+30.8366+130.4600/+30.8213+130.4400/+30.8201+130.4200/+30.8200+130.4197/+30.8009+130.4000/+30.8001+130.3800/+30.8000+130.3796/+30.7805+130.3600/+30.7800+130.3400/+30.7800+130.3393/+30.7608+130.3200/+30.7620+130.3000/+30.7800+130.2820/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8400+130.3400/+30.8400+130.3401/+30.8596+130.3600/+30.8600+130.3790/+30.8610+130.3800/+30.8791+130.4000/+30.8800+130.4161/+30.8839+130.4200/+30.8984+130.4400/+30.9000+130.4575/+30.9024+130.4600/+30.9177+130.4800/+30.9198+130.5000/+30.9200+130.5013/+30.9355+130.5200/+30.9393+130.5400/+30.9400+130.5441/+30.9546+130.5600/+30.9600+130.5777/+30.9620+130.5800/+30.9800+130.5998/+30.9802+130.6000/+30.9891+130.6200/+30.9935+130.6400/+30.9982+130.6600/+31.0000+130.6685/+31.0091+130.6800/+31.0200+130.6976/+31.0209+130.7000/+31.0264+130.7200/+31.0285+130.7400/+31.0354+130.7600/+31.0364+130.7800/+31.0377+130.8000/+31.0400+130.8144/+31.0417+130.8200/+31.0488+130.8400/+31.0575+130.8600/+31.0600+130.8650/+31.0647+130.8800/ 北東 70 鹿児島県三島村 4630300 鹿児島県南大隅町 4649100 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8149+130.3400/+30.8000+130.3513/+30.7923+130.3400/+30.7812+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 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、３日２１時から２４時までは火口から東方向に降灰が予想されます。 　３日１５時から４日９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 　０３日１５時から１８時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０３日１８時から２１時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０３日２１時から２４時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０４日００時から０３時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　北東　　　　　　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、南大隅町 　 　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。