2026-07-03T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T11:00:00+09:00 2026-07-03T12:00:00+09:00 2026-07-04T06:00:00+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 2026-07-03T12:00:00+09:00 2026-07-03T15:00:00+09:00 降灰 70 +30.8808+130.6600/+30.8820+130.6800/+30.8828+130.7000/+30.8829+130.7200/+30.8831+130.7400/+30.8834+130.7600/+30.8837+130.7800/+30.8841+130.8000/+30.8800+130.8036/+30.8722+130.8000/+30.8676+130.7800/+30.8600+130.7680/+30.8453+130.7600/+30.8400+130.7593/+30.8295+130.7400/+30.8231+130.7200/+30.8200+130.7093/+30.8169+130.7000/+30.8098+130.6800/+30.8057+130.6600/+30.8029+130.6400/+30.8000+130.6252/+30.7989+130.6200/+30.8000+130.6179/+30.8031+130.6000/+30.8009+130.5800/+30.8000+130.5679/+30.7977+130.5600/+30.7950+130.5400/+30.7899+130.5200/+30.7859+130.5000/+30.7840+130.4800/+30.7824+130.4600/+30.7813+130.4400/+30.7807+130.4200/+30.7802+130.4000/+30.7800+130.3918/+30.7722+130.3800/+30.7634+130.3600/+30.7605+130.3400/+30.7601+130.3200/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2801/+30.8199+130.3000/+30.8200+130.3053/+30.8347+130.3200/+30.8392+130.3400/+30.8395+130.3600/+30.8397+130.3800/+30.8400+130.3944/+30.8437+130.4000/+30.8515+130.4200/+30.8561+130.4400/+30.8576+130.4600/+30.8583+130.4800/+30.8600+130.5000/+30.8600+130.5011/+30.8639+130.5200/+30.8633+130.5400/+30.8667+130.5600/+30.8708+130.5800/+30.8710+130.6000/+30.8771+130.6200/+30.8792+130.6400/+30.8800+130.6516/+30.8808+130.6600/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8051+130.3400/+30.8000+130.3459/+30.7950+130.3400/+30.7811+130.3200/+30.7810+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 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 +30.8452+130.4000/+30.8506+130.4200/+30.8545+130.4400/+30.8548+130.4600/+30.8561+130.4800/+30.8553+130.5000/+30.8560+130.5200/+30.8563+130.5400/+30.8544+130.5600/+30.8544+130.5800/+30.8519+130.6000/+30.8560+130.6200/+30.8551+130.6400/+30.8550+130.6600/+30.8528+130.6800/+30.8468+130.7000/+30.8454+130.7200/+30.8402+130.7400/+30.8400+130.7409/+30.8329+130.7600/+30.8250+130.7800/+30.8200+130.7928/+30.8172+130.8000/+30.8088+130.8200/+30.8000+130.8333/+30.7939+130.8200/+30.7880+130.8000/+30.7843+130.7800/+30.7812+130.7600/+30.7800+130.7564/+30.7754+130.7400/+30.7679+130.7200/+30.7654+130.7000/+30.7650+130.6800/+30.7645+130.6600/+30.7639+130.6400/+30.7618+130.6200/+30.7652+130.6000/+30.7652+130.5800/+30.7648+130.5600/+30.7652+130.5400/+30.7646+130.5200/+30.7641+130.5000/+30.7640+130.4800/+30.7638+130.4600/+30.7631+130.4400/+30.7626+130.4200/+30.7619+130.4000/+30.7611+130.3800/+30.7605+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3057/+30.8343+130.3200/+30.8391+130.3400/+30.8394+130.3600/+30.8397+130.3800/+30.8400+130.3919/+30.8452+130.4000/ 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/+30.8011+130.3400/+30.8000+130.3414/+30.7893+130.3400/+30.7800+130.3394/+30.7674+130.3200/+30.7800+130.3074/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 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 +30.8513+130.4200/+30.8535+130.4400/+30.8545+130.4600/+30.8560+130.4800/+30.8564+130.5000/+30.8559+130.5200/+30.8553+130.5400/+30.8551+130.5600/+30.8556+130.5800/+30.8553+130.6000/+30.8588+130.6200/+30.8571+130.6400/+30.8547+130.6600/+30.8514+130.6800/+30.8470+130.7000/+30.8436+130.7200/+30.8400+130.7392/+30.8397+130.7400/+30.8316+130.7600/+30.8209+130.7800/+30.8200+130.7817/+30.8109+130.8000/+30.8000+130.8177/+30.7917+130.8000/+30.7877+130.7800/+30.7849+130.7600/+30.7804+130.7400/+30.7800+130.7377/+30.7769+130.7200/+30.7734+130.7000/+30.7736+130.6800/+30.7717+130.6600/+30.7686+130.6400/+30.7680+130.6200/+30.7738+130.6000/+30.7728+130.5800/+30.7718+130.5600/+30.7728+130.5400/+30.7716+130.5200/+30.7726+130.5000/+30.7699+130.4800/+30.7692+130.4600/+30.7685+130.4400/+30.7672+130.4200/+30.7650+130.4000/+30.7629+130.3800/+30.7611+130.3600/+30.7602+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3090/+30.8310+130.3200/+30.8393+130.3400/+30.8396+130.3600/+30.8397+130.3800/+30.8400+130.4000/+30.8400+130.4001/+30.8513+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+130.3397/+30.7800+130.3333/+30.7729+130.3200/+30.7800+130.3129/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 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 +30.9249+130.6000/+30.9266+130.6200/+30.9282+130.6400/+30.9295+130.6600/+30.9306+130.6800/+30.9341+130.7000/+30.9340+130.7200/+30.9306+130.7400/+30.9262+130.7600/+30.9258+130.7800/+30.9254+130.8000/+30.9200+130.8074/+30.9039+130.8200/+30.9000+130.8274/+30.8965+130.8200/+30.8800+130.8037/+30.8774+130.8000/+30.8728+130.7800/+30.8687+130.7600/+30.8600+130.7441/+30.8581+130.7400/+30.8513+130.7200/+30.8449+130.7000/+30.8418+130.6800/+30.8400+130.6721/+30.8356+130.6600/+30.8286+130.6400/+30.8232+130.6200/+30.8251+130.6000/+30.8218+130.5800/+30.8203+130.5600/+30.8200+130.5583/+30.8130+130.5400/+30.8077+130.5200/+30.8049+130.5000/+30.8024+130.4800/+30.8012+130.4600/+30.8002+130.4400/+30.8000+130.4379/+30.7883+130.4200/+30.7820+130.4000/+30.7805+130.3800/+30.7801+130.3600/+30.7800+130.3577/+30.7623+130.3400/+30.7602+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3008/+30.8392+130.3200/+30.8399+130.3400/+30.8400+130.3485/+30.8514+130.3600/+30.8589+130.3800/+30.8598+130.4000/+30.8600+130.4026/+30.8742+130.4200/+30.8783+130.4400/+30.8800+130.4554/+30.8838+130.4600/+30.8932+130.4800/+30.8969+130.5000/+30.8991+130.5200/+30.9000+130.5270/+30.9075+130.5400/+30.9119+130.5600/+30.9149+130.5800/+30.9200+130.5946/+30.9249+130.6000/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+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 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +31.0022+130.8400/+31.0034+130.8600/+31.0035+130.8800/+31.0036+130.9000/+31.0000+130.9124/+30.9948+130.9000/+30.9920+130.8800/+30.9824+130.8600/+30.9800+130.8581/+30.9600+130.8522/+30.9470+130.8400/+30.9400+130.8348/+30.9329+130.8200/+30.9318+130.8000/+30.9264+130.7800/+30.9209+130.7600/+30.9200+130.7588/+30.9045+130.7400/+30.9000+130.7296/+30.8971+130.7200/+30.9000+130.7128/+30.9024+130.7000/+30.9000+130.6930/+30.8896+130.6800/+30.8809+130.6600/+30.8800+130.6572/+30.8731+130.6400/+30.8661+130.6200/+30.8697+130.6000/+30.8628+130.5800/+30.8600+130.5613/+30.8590+130.5600/+30.8465+130.5400/+30.8418+130.5200/+30.8400+130.5003/+30.8397+130.5000/+30.8235+130.4800/+30.8209+130.4600/+30.8200+130.4513/+30.8094+130.4400/+30.8012+130.4200/+30.8002+130.4000/+30.8000+130.3981/+30.7821+130.3800/+30.7802+130.3600/+30.7800+130.3400/+30.7800+130.3399/+30.7604+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3005/+30.8395+130.3200/+30.8399+130.3400/+30.8400+130.3429/+30.8571+130.3600/+30.8596+130.3800/+30.8600+130.3916/+30.8683+130.4000/+30.8786+130.4200/+30.8797+130.4400/+30.8800+130.4426/+30.8955+130.4600/+30.8989+130.4800/+30.9000+130.4896/+30.9088+130.5000/+30.9168+130.5200/+30.9194+130.5400/+30.9200+130.5444/+30.9305+130.5600/+30.9400+130.5731/+30.9468+130.5800/+30.9531+130.6000/+30.9562+130.6200/+30.9586+130.6400/+30.9600+130.6492/+30.9670+130.6600/+30.9800+130.6771/+30.9818+130.6800/+30.9846+130.7000/+30.9870+130.7200/+30.9897+130.7400/+30.9930+130.7600/+30.9957+130.7800/+30.9974+130.8000/+31.0000+130.8200/+31.0000+130.8201/+31.0022+130.8400/ 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/+30.8187+130.3200/+30.8040+130.3400/+30.8000+130.3431/+30.7977+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0634+130.8600/+31.0652+130.8800/+31.0668+130.9000/+31.0655+130.9200/+31.0637+130.9400/+31.0600+130.9595/+31.0400+130.9590/+31.0331+130.9400/+31.0254+130.9200/+31.0200+130.9085/+31.0155+130.9000/+31.0000+130.8869/+30.9949+130.8800/+30.9845+130.8600/+30.9800+130.8483/+30.9773+130.8400/+30.9716+130.8200/+30.9669+130.8000/+30.9642+130.7800/+30.9600+130.7658/+30.9568+130.7600/+30.9406+130.7400/+30.9400+130.7388/+30.9338+130.7200/+30.9277+130.7000/+30.9235+130.6800/+30.9200+130.6721/+30.9129+130.6600/+30.9064+130.6400/+30.9023+130.6200/+30.9000+130.6115/+30.8920+130.6000/+30.8901+130.5800/+30.8824+130.5600/+30.8800+130.5425/+30.8779+130.5400/+30.8627+130.5200/+30.8601+130.5000/+30.8600+130.4995/+30.8427+130.4800/+30.8404+130.4600/+30.8400+130.4585/+30.8223+130.4400/+30.8203+130.4200/+30.8200+130.4188/+30.8015+130.4000/+30.8002+130.3800/+30.8000+130.3794/+30.7806+130.3600/+30.7801+130.3400/+30.7800+130.3391/+30.7609+130.3200/+30.7616+130.3000/+30.7800+130.2816/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3348/+30.8452+130.3400/+30.8597+130.3600/+30.8600+130.3704/+30.8696+130.3800/+30.8793+130.4000/+30.8800+130.4102/+30.8897+130.4200/+30.8989+130.4400/+30.9000+130.4502/+30.9094+130.4600/+30.9182+130.4800/+30.9200+130.4963/+30.9234+130.5000/+30.9369+130.5200/+30.9398+130.5400/+30.9400+130.5410/+30.9581+130.5600/+30.9600+130.5666/+30.9718+130.5800/+30.9800+130.5918/+30.9849+130.6000/+30.9915+130.6200/+30.9955+130.6400/+31.0000+130.6560/+31.0046+130.6600/+31.0180+130.6800/+31.0200+130.6862/+31.0235+130.7000/+31.0271+130.7200/+31.0290+130.7400/+31.0349+130.7600/+31.0374+130.7800/+31.0400+130.7958/+31.0411+130.8000/+31.0482+130.8200/+31.0579+130.8400/+31.0600+130.8459/+31.0634+130.8600/ 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/+30.8131+130.3400/+30.8000+130.3461/+30.7939+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１２時から４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 　０３日１２時から１５時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　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　　３ｋｍ　　　　　 　０４日０３時から０６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。