2026-07-03T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T02:00:00+09:00 2026-07-04T03:00:00+09:00 2026-07-04T21:00:00+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0203+130.7200/+31.0228+130.7400/+31.0286+130.7600/+31.0293+130.7800/+31.0301+130.8000/+31.0312+130.8200/+31.0326+130.8400/+31.0333+130.8600/+31.0328+130.8800/+31.0319+130.9000/+31.0237+130.9200/+31.0200+130.9241/+31.0000+130.9335/+30.9927+130.9200/+30.9845+130.9000/+30.9800+130.8865/+30.9780+130.8800/+30.9724+130.8600/+30.9678+130.8400/+30.9633+130.8200/+30.9600+130.8067/+30.9581+130.8000/+30.9437+130.7800/+30.9400+130.7691/+30.9375+130.7600/+30.9321+130.7400/+30.9281+130.7200/+30.9210+130.7000/+30.9200+130.6978/+30.9119+130.6800/+30.9065+130.6600/+30.9031+130.6400/+30.9000+130.6305/+30.8897+130.6200/+30.8863+130.6000/+30.8837+130.5800/+30.8800+130.5645/+30.8762+130.5600/+30.8654+130.5400/+30.8616+130.5200/+30.8600+130.5124/+30.8489+130.5000/+30.8418+130.4800/+30.8400+130.4639/+30.8363+130.4600/+30.8218+130.4400/+30.8202+130.4200/+30.8200+130.4193/+30.8013+130.4000/+30.8001+130.3800/+30.8000+130.3795/+30.7806+130.3600/+30.7801+130.3400/+30.7800+130.3391/+30.7609+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2803/+30.8198+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3306/+30.8494+130.3400/+30.8597+130.3600/+30.8600+130.3668/+30.8732+130.3800/+30.8794+130.4000/+30.8800+130.4069/+30.8930+130.4200/+30.8991+130.4400/+30.9000+130.4467/+30.9128+130.4600/+30.9187+130.4800/+30.9200+130.4895/+30.9293+130.5000/+30.9375+130.5200/+30.9400+130.5328/+30.9464+130.5400/+30.9589+130.5600/+30.9600+130.5652/+30.9721+130.5800/+30.9800+130.5960/+30.9821+130.6000/+30.9895+130.6200/+30.9946+130.6400/+30.9989+130.6600/+31.0000+130.6651/+31.0098+130.6800/+31.0160+130.7000/+31.0200+130.7184/+31.0203+130.7200/ 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/+30.8188+130.3200/+30.8133+130.3400/+30.8000+130.3449/+30.7951+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 +31.0210+130.8200/+31.0220+130.8400/+31.0225+130.8600/+31.0220+130.8800/+31.0211+130.9000/+31.0200+130.9050/+31.0154+130.9200/+31.0042+130.9400/+31.0000+130.9449/+30.9976+130.9400/+30.9872+130.9200/+30.9800+130.9055/+30.9773+130.9000/+30.9696+130.8800/+30.9622+130.8600/+30.9600+130.8556/+30.9528+130.8400/+30.9401+130.8200/+30.9400+130.8198/+30.9351+130.8000/+30.9241+130.7800/+30.9200+130.7717/+30.9138+130.7600/+30.9041+130.7400/+30.9000+130.7273/+30.8981+130.7200/+30.8952+130.7000/+30.8900+130.6800/+30.8826+130.6600/+30.8800+130.6532/+30.8739+130.6400/+30.8661+130.6200/+30.8665+130.6000/+30.8628+130.5800/+30.8600+130.5646/+30.8570+130.5600/+30.8471+130.5400/+30.8424+130.5200/+30.8400+130.5033/+30.8374+130.5000/+30.8250+130.4800/+30.8216+130.4600/+30.8200+130.4463/+30.8141+130.4400/+30.8021+130.4200/+30.8004+130.4000/+30.8000+130.3951/+30.7853+130.3800/+30.7803+130.3600/+30.7800+130.3458/+30.7742+130.3400/+30.7607+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2804/+30.8197+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8400+130.3298/+30.8502+130.3400/+30.8596+130.3600/+30.8600+130.3680/+30.8720+130.3800/+30.8792+130.4000/+30.8800+130.4069/+30.8928+130.4200/+30.8986+130.4400/+30.9000+130.4490/+30.9104+130.4600/+30.9178+130.4800/+30.9200+130.4934/+30.9258+130.5000/+30.9367+130.5200/+30.9400+130.5400/+30.9400+130.5401/+30.9537+130.5600/+30.9594+130.5800/+30.9600+130.5824/+30.9742+130.6000/+30.9800+130.6157/+30.9820+130.6200/+30.9894+130.6400/+30.9925+130.6600/+30.9961+130.6800/+30.9998+130.7000/+31.0000+130.7009/+31.0082+130.7200/+31.0126+130.7400/+31.0184+130.7600/+31.0190+130.7800/+31.0200+130.8000/+31.0200+130.8003/+31.0210+130.8200/ 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/+30.8159+130.3400/+30.8000+130.3530/+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 +31.0031+130.9000/+31.0043+130.9200/+31.0055+130.9400/+31.0076+130.9600/+31.0107+130.9800/+31.0138+131.0000/+31.0116+131.0200/+31.0086+131.0400/+31.0027+131.0600/+31.0000+131.0659/+30.9979+131.0600/+30.9918+131.0400/+30.9852+131.0200/+30.9800+131.0062/+30.9774+131.0000/+30.9732+130.9800/+30.9600+130.9604/+30.9598+130.9600/+30.9457+130.9400/+30.9400+130.9341/+30.9345+130.9200/+30.9285+130.9000/+30.9231+130.8800/+30.9200+130.8667/+30.9185+130.8600/+30.9141+130.8400/+30.9095+130.8200/+30.9000+130.8012/+30.8995+130.8000/+30.8953+130.7800/+30.8921+130.7600/+30.8865+130.7400/+30.8827+130.7200/+30.8800+130.7126/+30.8733+130.7000/+30.8681+130.6800/+30.8633+130.6600/+30.8600+130.6450/+30.8578+130.6400/+30.8494+130.6200/+30.8600+130.6001/+30.8600+130.6000/+30.8600+130.5999/+30.8478+130.5800/+30.8431+130.5600/+30.8412+130.5400/+30.8400+130.5286/+30.8333+130.5200/+30.8230+130.5000/+30.8210+130.4800/+30.8200+130.4600/+30.8200+130.4598/+30.8024+130.4400/+30.8004+130.4200/+30.8000+130.4000/+30.8000+130.3998/+30.7810+130.3800/+30.7801+130.3600/+30.7800+130.3533/+30.7675+130.3400/+30.7605+130.3200/+30.7619+130.3000/+30.7800+130.2819/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3007/+30.8393+130.3200/+30.8399+130.3400/+30.8400+130.3450/+30.8550+130.3600/+30.8596+130.3800/+30.8599+130.4000/+30.8600+130.4010/+30.8777+130.4200/+30.8794+130.4400/+30.8800+130.4481/+30.8910+130.4600/+30.8977+130.4800/+30.8995+130.5000/+30.9000+130.5034/+30.9133+130.5200/+30.9173+130.5400/+30.9197+130.5600/+30.9200+130.5616/+30.9367+130.5800/+30.9400+130.5876/+30.9460+130.6000/+30.9503+130.6200/+30.9527+130.6400/+30.9554+130.6600/+30.9600+130.6794/+30.9607+130.6800/+30.9713+130.7000/+30.9775+130.7200/+30.9800+130.7334/+30.9811+130.7400/+30.9841+130.7600/+30.9881+130.7800/+30.9898+130.8000/+30.9911+130.8200/+30.9930+130.8400/+30.9953+130.8600/+30.9985+130.8800/+31.0000+130.8860/+31.0031+130.9000/ 東 80 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/+30.8133+130.3400/+30.8000+130.3551/+30.7892+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 +30.9407+130.8400/+30.9411+130.8600/+30.9400+130.8741/+30.9396+130.8800/+30.9379+130.9000/+30.9372+130.9200/+30.9363+130.9400/+30.9353+130.9600/+30.9342+130.9800/+30.9327+131.0000/+30.9271+131.0200/+30.9200+131.0358/+30.9174+131.0400/+30.9012+131.0600/+30.9000+131.0613/+30.8997+131.0600/+30.8943+131.0400/+30.8888+131.0200/+30.8843+131.0000/+30.8812+130.9800/+30.8800+130.9721/+30.8782+130.9600/+30.8748+130.9400/+30.8710+130.9200/+30.8676+130.9000/+30.8616+130.8800/+30.8600+130.8744/+30.8551+130.8600/+30.8479+130.8400/+30.8468+130.8200/+30.8433+130.8000/+30.8400+130.7814/+30.8395+130.7800/+30.8334+130.7600/+30.8274+130.7400/+30.8294+130.7200/+30.8250+130.7000/+30.8219+130.6800/+30.8200+130.6651/+30.8190+130.6600/+30.8153+130.6400/+30.8102+130.6200/+30.8200+130.6043/+30.8207+130.6000/+30.8200+130.5850/+30.8186+130.5800/+30.8092+130.5600/+30.8054+130.5400/+30.8032+130.5200/+30.8017+130.5000/+30.8007+130.4800/+30.8000+130.4625/+30.7983+130.4600/+30.7850+130.4400/+30.7815+130.4200/+30.7805+130.4000/+30.7802+130.3800/+30.7800+130.3600/+30.7800+130.3594/+30.7612+130.3400/+30.7603+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3039/+30.8361+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3662/+30.8537+130.3800/+30.8588+130.4000/+30.8595+130.4200/+30.8600+130.4388/+30.8612+130.4400/+30.8761+130.4600/+30.8782+130.4800/+30.8794+130.5000/+30.8800+130.5067/+30.8891+130.5200/+30.8942+130.5400/+30.8973+130.5600/+30.8998+130.5800/+30.9000+130.5813/+30.9154+130.6000/+30.9188+130.6200/+30.9200+130.6296/+30.9222+130.6400/+30.9253+130.6600/+30.9278+130.6800/+30.9334+130.7000/+30.9362+130.7200/+30.9380+130.7400/+30.9397+130.7600/+30.9397+130.7800/+30.9396+130.8000/+30.9390+130.8200/+30.9400+130.8343/+30.9407+130.8400/ 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/+30.8117+130.3400/+30.8000+130.3556/+30.7895+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 +30.9049+130.7200/+30.9055+130.7400/+30.9062+130.7600/+30.9053+130.7800/+30.9044+130.8000/+30.9000+130.8187/+30.8996+130.8200/+30.8986+130.8400/+30.8977+130.8600/+30.8970+130.8800/+30.8962+130.9000/+30.8969+130.9200/+30.8980+130.9400/+30.8984+130.9600/+30.8972+130.9800/+30.8952+131.0000/+30.8904+131.0200/+30.8840+131.0400/+30.8800+131.0458/+30.8663+131.0600/+30.8600+131.0632/+30.8574+131.0600/+30.8467+131.0400/+30.8404+131.0200/+30.8400+131.0187/+30.8379+131.0000/+30.8343+130.9800/+30.8313+130.9600/+30.8286+130.9400/+30.8262+130.9200/+30.8242+130.9000/+30.8214+130.8800/+30.8200+130.8691/+30.8189+130.8600/+30.8163+130.8400/+30.8136+130.8200/+30.8116+130.8000/+30.8098+130.7800/+30.8084+130.7600/+30.8069+130.7400/+30.8061+130.7200/+30.8051+130.7000/+30.8036+130.6800/+30.8016+130.6600/+30.8000+130.6441/+30.7990+130.6400/+30.7937+130.6200/+30.8000+130.6134/+30.8032+130.6000/+30.8019+130.5800/+30.8013+130.5600/+30.8006+130.5400/+30.8000+130.5236/+30.7980+130.5200/+30.7890+130.5000/+30.7844+130.4800/+30.7820+130.4600/+30.7809+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3758/+30.7648+130.3600/+30.7604+130.3400/+30.7602+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3200/+30.8200+130.3203/+30.8393+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4035/+30.8549+130.4200/+30.8580+130.4400/+30.8588+130.4600/+30.8593+130.4800/+30.8600+130.4971/+30.8620+130.5000/+30.8715+130.5200/+30.8745+130.5400/+30.8760+130.5600/+30.8781+130.5800/+30.8788+130.6000/+30.8800+130.6037/+30.8922+130.6200/+30.8931+130.6400/+30.8931+130.6600/+30.8938+130.6800/+30.8951+130.7000/+30.9000+130.7131/+30.9049+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/+30.8100+130.3400/+30.8000+130.3548/+30.7900+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 +30.9037+130.7200/+30.9041+130.7400/+30.9044+130.7600/+30.9028+130.7800/+30.9008+130.8000/+30.9000+130.8036/+30.8946+130.8200/+30.8927+130.8400/+30.8913+130.8600/+30.8908+130.8800/+30.8901+130.9000/+30.8891+130.9200/+30.8878+130.9400/+30.8847+130.9600/+30.8800+130.9769/+30.8790+130.9800/+30.8718+131.0000/+30.8635+131.0200/+30.8600+131.0271/+30.8525+131.0200/+30.8400+131.0076/+30.8383+131.0000/+30.8342+130.9800/+30.8309+130.9600/+30.8287+130.9400/+30.8270+130.9200/+30.8255+130.9000/+30.8238+130.8800/+30.8223+130.8600/+30.8202+130.8400/+30.8200+130.8392/+30.8170+130.8200/+30.8152+130.8000/+30.8121+130.7800/+30.8099+130.7600/+30.8085+130.7400/+30.8087+130.7200/+30.8073+130.7000/+30.8056+130.6800/+30.8039+130.6600/+30.8025+130.6400/+30.8005+130.6200/+30.8046+130.6000/+30.8030+130.5800/+30.8018+130.5600/+30.8011+130.5400/+30.8004+130.5200/+30.8000+130.5069/+30.7964+130.5000/+30.7887+130.4800/+30.7833+130.4600/+30.7813+130.4400/+30.7805+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3733/+30.7670+130.3600/+30.7605+130.3400/+30.7602+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3200/+30.8394+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8400+130.4000/+30.8400+130.4007/+30.8559+130.4200/+30.8583+130.4400/+30.8589+130.4600/+30.8594+130.4800/+30.8600+130.4895/+30.8679+130.5000/+30.8720+130.5200/+30.8752+130.5400/+30.8766+130.5600/+30.8772+130.5800/+30.8788+130.6000/+30.8800+130.6039/+30.8924+130.6200/+30.8934+130.6400/+30.8938+130.6600/+30.8939+130.6800/+30.8937+130.7000/+30.9000+130.7152/+30.9037+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/+30.8051+130.3400/+30.8000+130.3480/+30.7949+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、４日０９時から１２時までは火口から東方向に降灰が予想されます。 　４日３時から４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 　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　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　東　　　　　　　８０ｋｍ　　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　　　　　 　 　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。