2026-07-03T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T05:00:00+09:00 2026-07-04T06:00:00+09:00 2026-07-05T00:00:00+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、４日０９時から１２時までは火口から北東方向、４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 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 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +31.0207+130.7600/+31.0228+130.7800/+31.0248+130.8000/+31.0246+130.8200/+31.0243+130.8400/+31.0237+130.8600/+31.0224+130.8800/+31.0204+130.9000/+31.0200+130.9024/+31.0156+130.9200/+31.0040+130.9400/+31.0000+130.9435/+30.9988+130.9400/+30.9922+130.9200/+30.9859+130.9000/+30.9800+130.8848/+30.9780+130.8800/+30.9691+130.8600/+30.9600+130.8447/+30.9573+130.8400/+30.9447+130.8200/+30.9400+130.8070/+30.9389+130.8000/+30.9316+130.7800/+30.9242+130.7600/+30.9200+130.7499/+30.9148+130.7400/+30.9073+130.7200/+30.9051+130.7000/+30.9000+130.6837/+30.8979+130.6800/+30.8876+130.6600/+30.8811+130.6400/+30.8800+130.6370/+30.8719+130.6200/+30.8718+130.6000/+30.8667+130.5800/+30.8621+130.5600/+30.8600+130.5532/+30.8504+130.5400/+30.8450+130.5200/+30.8415+130.5000/+30.8400+130.4928/+30.8290+130.4800/+30.8221+130.4600/+30.8203+130.4400/+30.8200+130.4385/+30.8036+130.4200/+30.8006+130.4000/+30.8000+130.3901/+30.7900+130.3800/+30.7804+130.3600/+30.7800+130.3406/+30.7794+130.3400/+30.7607+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3306/+30.8494+130.3400/+30.8596+130.3600/+30.8600+130.3691/+30.8709+130.3800/+30.8792+130.4000/+30.8800+130.4096/+30.8901+130.4200/+30.8986+130.4400/+30.9000+130.4497/+30.9098+130.4600/+30.9179+130.4800/+30.9200+130.4969/+30.9227+130.5000/+30.9356+130.5200/+30.9394+130.5400/+30.9400+130.5422/+30.9550+130.5600/+30.9597+130.5800/+30.9600+130.5814/+30.9749+130.6000/+30.9800+130.6171/+30.9812+130.6200/+30.9875+130.6400/+30.9932+130.6600/+30.9976+130.6800/+31.0000+130.6931/+31.0037+130.7000/+31.0116+130.7200/+31.0153+130.7400/+31.0200+130.7577/+31.0207+130.7600/ 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/+30.8155+130.3400/+30.8000+130.3524/+30.7911+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 2026-07-04T09:00:00+09:00 2026-07-04T12:00:00+09:00 降灰 70 +31.0202+130.8600/+31.0214+130.8800/+31.0227+130.9000/+31.0230+130.9200/+31.0234+130.9400/+31.0223+130.9600/+31.0200+130.9728/+31.0181+130.9800/+31.0075+131.0000/+31.0000+131.0077/+30.9972+131.0000/+30.9888+130.9800/+30.9813+130.9600/+30.9800+130.9550/+30.9760+130.9400/+30.9720+130.9200/+30.9675+130.9000/+30.9600+130.8847/+30.9573+130.8800/+30.9459+130.8600/+30.9400+130.8530/+30.9339+130.8400/+30.9254+130.8200/+30.9272+130.8000/+30.9213+130.7800/+30.9200+130.7755/+30.9118+130.7600/+30.9015+130.7400/+30.9000+130.7356/+30.8960+130.7200/+30.9000+130.7106/+30.9020+130.7000/+30.9000+130.6942/+30.8880+130.6800/+30.8802+130.6600/+30.8800+130.6593/+30.8728+130.6400/+30.8663+130.6200/+30.8698+130.6000/+30.8636+130.5800/+30.8608+130.5600/+30.8600+130.5558/+30.8481+130.5400/+30.8425+130.5200/+30.8403+130.5000/+30.8400+130.4979/+30.8257+130.4800/+30.8212+130.4600/+30.8200+130.4400/+30.8200+130.4398/+30.8017+130.4200/+30.8003+130.4000/+30.8000+130.3954/+30.7849+130.3800/+30.7802+130.3600/+30.7800+130.3452/+30.7751+130.3400/+30.7606+130.3200/+30.7619+130.3000/+30.7800+130.2819/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3004/+30.8395+130.3200/+30.8399+130.3400/+30.8400+130.3409/+30.8590+130.3600/+30.8598+130.3800/+30.8600+130.3830/+30.8767+130.4000/+30.8794+130.4200/+30.8800+130.4267/+30.8929+130.4400/+30.8985+130.4600/+30.9000+130.4738/+30.9059+130.4800/+30.9166+130.5000/+30.9193+130.5200/+30.9200+130.5237/+30.9331+130.5400/+30.9375+130.5600/+30.9400+130.5648/+30.9540+130.5800/+30.9568+130.6000/+30.9595+130.6200/+30.9600+130.6230/+30.9715+130.6400/+30.9781+130.6600/+30.9800+130.6635/+30.9888+130.6800/+30.9917+130.7000/+30.9943+130.7200/+30.9968+130.7400/+30.9997+130.7600/+31.0000+130.7615/+31.0112+130.7800/+31.0159+130.8000/+31.0174+130.8200/+31.0189+130.8400/+31.0200+130.8566/+31.0202+130.8600/ 北東 70 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/+30.8120+130.3400/+30.8000+130.3524/+30.7917+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 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +30.9614+130.8200/+30.9642+130.8400/+30.9650+130.8600/+30.9641+130.8800/+30.9631+130.9000/+30.9628+130.9200/+30.9625+130.9400/+30.9632+130.9600/+30.9651+130.9800/+30.9671+131.0000/+30.9652+131.0200/+30.9630+131.0400/+30.9602+131.0600/+30.9600+131.0608/+30.9400+131.0723/+30.9346+131.0600/+30.9273+131.0400/+30.9222+131.0200/+30.9200+131.0110/+30.9173+131.0000/+30.9064+130.9800/+30.9000+130.9733/+30.8953+130.9600/+30.8886+130.9400/+30.8828+130.9200/+30.8800+130.9082/+30.8782+130.9000/+30.8744+130.8800/+30.8711+130.8600/+30.8678+130.8400/+30.8632+130.8200/+30.8600+130.8039/+30.8593+130.8000/+30.8541+130.7800/+30.8506+130.7600/+30.8467+130.7400/+30.8457+130.7200/+30.8433+130.7000/+30.8406+130.6800/+30.8400+130.6755/+30.8337+130.6600/+30.8283+130.6400/+30.8213+130.6200/+30.8260+130.6000/+30.8236+130.5800/+30.8218+130.5600/+30.8206+130.5400/+30.8200+130.5360/+30.8086+130.5200/+30.8043+130.5000/+30.8020+130.4800/+30.8008+130.4600/+30.8000+130.4400/+30.8000+130.4396/+30.7843+130.4200/+30.7810+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3585/+30.7618+130.3400/+30.7604+130.3200/+30.7621+130.3000/+30.7800+130.2821/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3019/+30.8381+130.3200/+30.8398+130.3400/+30.8400+130.3600/+30.8400+130.3609/+30.8582+130.3800/+30.8595+130.4000/+30.8600+130.4200/+30.8600+130.4201/+30.8766+130.4400/+30.8787+130.4600/+30.8800+130.4784/+30.8815+130.4800/+30.8931+130.5000/+30.8975+130.5200/+30.8991+130.5400/+30.9000+130.5471/+30.9086+130.5600/+30.9136+130.5800/+30.9200+130.5911/+30.9288+130.6000/+30.9316+130.6200/+30.9339+130.6400/+30.9359+130.6600/+30.9375+130.6800/+30.9400+130.6869/+30.9465+130.7000/+30.9478+130.7200/+30.9490+130.7400/+30.9502+130.7600/+30.9515+130.7800/+30.9588+130.8000/+30.9600+130.8106/+30.9614+130.8200/ 東 70 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/+30.8136+130.3400/+30.8000+130.3561/+30.7888+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 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +30.9072+130.7200/+30.9065+130.7400/+30.9057+130.7600/+30.9058+130.7800/+30.9060+130.8000/+30.9064+130.8200/+30.9075+130.8400/+30.9078+130.8600/+30.9073+130.8800/+30.9069+130.9000/+30.9049+130.9200/+30.9028+130.9400/+30.9022+130.9600/+30.9031+130.9800/+30.9041+131.0000/+30.9034+131.0200/+30.9028+131.0400/+30.9015+131.0600/+30.9000+131.0763/+30.8842+131.0600/+30.8800+131.0575/+30.8600+131.0508/+30.8551+131.0400/+30.8466+131.0200/+30.8400+131.0041/+30.8393+131.0000/+30.8359+130.9800/+30.8330+130.9600/+30.8301+130.9400/+30.8272+130.9200/+30.8248+130.9000/+30.8221+130.8800/+30.8200+130.8611/+30.8199+130.8600/+30.8175+130.8400/+30.8158+130.8200/+30.8134+130.8000/+30.8110+130.7800/+30.8093+130.7600/+30.8076+130.7400/+30.8073+130.7200/+30.8059+130.7000/+30.8039+130.6800/+30.8024+130.6600/+30.8010+130.6400/+30.8000+130.6295/+30.7974+130.6200/+30.8000+130.6174/+30.8039+130.6000/+30.8024+130.5800/+30.8015+130.5600/+30.8008+130.5400/+30.8003+130.5200/+30.8000+130.5130/+30.7926+130.5000/+30.7852+130.4800/+30.7822+130.4600/+30.7809+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3757/+30.7649+130.3600/+30.7605+130.3400/+30.7602+130.3200/+30.7615+130.3000/+30.7800+130.2815/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3200/+30.8200+130.3204/+30.8393+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4038/+30.8543+130.4200/+30.8578+130.4400/+30.8588+130.4600/+30.8593+130.4800/+30.8600+130.5000/+30.8718+130.5200/+30.8737+130.5400/+30.8765+130.5600/+30.8781+130.5800/+30.8787+130.6000/+30.8800+130.6040/+30.8929+130.6200/+30.8938+130.6400/+30.8943+130.6600/+30.8950+130.6800/+30.8959+130.7000/+30.9000+130.7104/+30.9072+130.7200/ 東 70 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/+30.8102+130.3400/+30.8000+130.3549/+30.7898+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 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +30.9010+130.7200/+30.9019+130.7400/+30.9028+130.7600/+30.9011+130.7800/+30.9000+130.7906/+30.8989+130.8000/+30.8936+130.8200/+30.8929+130.8400/+30.8919+130.8600/+30.8906+130.8800/+30.8888+130.9000/+30.8872+130.9200/+30.8852+130.9400/+30.8837+130.9600/+30.8833+130.9800/+30.8828+131.0000/+30.8800+131.0116/+30.8776+131.0200/+30.8701+131.0400/+30.8600+131.0571/+30.8413+131.0400/+30.8400+131.0387/+30.8356+131.0200/+30.8317+131.0000/+30.8304+130.9800/+30.8291+130.9600/+30.8271+130.9400/+30.8246+130.9200/+30.8225+130.9000/+30.8200+130.8814/+30.8198+130.8800/+30.8175+130.8600/+30.8151+130.8400/+30.8121+130.8200/+30.8105+130.8000/+30.8086+130.7800/+30.8071+130.7600/+30.8058+130.7400/+30.8046+130.7200/+30.8029+130.7000/+30.8017+130.6800/+30.8003+130.6600/+30.8000+130.6566/+30.7971+130.6400/+30.7915+130.6200/+30.8000+130.6107/+30.8024+130.6000/+30.8017+130.5800/+30.8009+130.5600/+30.8004+130.5400/+30.8000+130.5313/+30.7941+130.5200/+30.7870+130.5000/+30.7834+130.4800/+30.7816+130.4600/+30.7808+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3773/+30.7637+130.3600/+30.7604+130.3400/+30.7602+130.3200/+30.7611+130.3000/+30.7800+130.2811/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3207/+30.8391+130.3400/+30.8397+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4061/+30.8525+130.4200/+30.8573+130.4400/+30.8584+130.4600/+30.8591+130.4800/+30.8598+130.5000/+30.8600+130.5073/+30.8657+130.5200/+30.8716+130.5400/+30.8743+130.5600/+30.8766+130.5800/+30.8769+130.6000/+30.8800+130.6092/+30.8891+130.6200/+30.8899+130.6400/+30.8904+130.6600/+30.8914+130.6800/+30.8929+130.7000/+30.9000+130.7186/+30.9010+130.7200/ 東 70 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/+30.8080+130.3400/+30.8000+130.3520/+30.7920+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 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +30.8813+130.6200/+30.8839+130.6400/+30.8855+130.6600/+30.8859+130.6800/+30.8854+130.7000/+30.8870+130.7200/+30.8885+130.7400/+30.8898+130.7600/+30.8882+130.7800/+30.8865+130.8000/+30.8856+130.8200/+30.8839+130.8400/+30.8824+130.8600/+30.8813+130.8800/+30.8800+130.8989/+30.8799+130.9000/+30.8788+130.9200/+30.8775+130.9400/+30.8760+130.9600/+30.8741+130.9800/+30.8718+131.0000/+30.8662+131.0200/+30.8600+131.0374/+30.8400+131.0342/+30.8355+131.0200/+30.8305+131.0000/+30.8278+130.9800/+30.8255+130.9600/+30.8233+130.9400/+30.8211+130.9200/+30.8200+130.9096/+30.8190+130.9000/+30.8168+130.8800/+30.8149+130.8600/+30.8125+130.8400/+30.8095+130.8200/+30.8079+130.8000/+30.8052+130.7800/+30.8032+130.7600/+30.8017+130.7400/+30.8000+130.7286/+30.7979+130.7200/+30.7956+130.7000/+30.7935+130.6800/+30.7915+130.6600/+30.7896+130.6400/+30.7877+130.6200/+30.8000+130.6012/+30.8002+130.6000/+30.8000+130.5927/+30.7971+130.5800/+30.7906+130.5600/+30.7875+130.5400/+30.7849+130.5200/+30.7829+130.5000/+30.7820+130.4800/+30.7811+130.4600/+30.7806+130.4400/+30.7803+130.4200/+30.7801+130.4000/+30.7800+130.3898/+30.7721+130.3800/+30.7617+130.3600/+30.7603+130.3400/+30.7601+130.3200/+30.7608+130.3000/+30.7800+130.2808/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3200/+30.8200+130.3217/+30.8382+130.3400/+30.8396+130.3600/+30.8397+130.3800/+30.8398+130.4000/+30.8399+130.4200/+30.8400+130.4232/+30.8534+130.4400/+30.8569+130.4600/+30.8577+130.4800/+30.8587+130.5000/+30.8591+130.5200/+30.8597+130.5400/+30.8600+130.5444/+30.8679+130.5600/+30.8698+130.5800/+30.8737+130.6000/+30.8800+130.6186/+30.8813+130.6200/ 東 70 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/+30.8048+130.3400/+30.8000+130.3476/+30.7816+130.3400/+30.7800+130.3395/+30.7695+130.3200/+30.7800+130.3095/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 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、４日０９時から１２時までは火口から北東方向、４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。 　４日６時から４日２４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 　０４日０６時から０９時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　北東　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　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 　 　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。