2026-07-04T14:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T23:00:00+09:00 2026-07-05T00:00:00+09:00 2026-07-05T18:00:00+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、５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 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 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +30.9217+130.6400/+30.9203+130.6600/+30.9200+130.6746/+30.9199+130.6800/+30.9187+130.7000/+30.9192+130.7200/+30.9187+130.7400/+30.9179+130.7600/+30.9178+130.7800/+30.9177+130.8000/+30.9200+130.8083/+30.9237+130.8200/+30.9228+130.8400/+30.9216+130.8600/+30.9201+130.8800/+30.9200+130.8811/+30.9184+130.9000/+30.9150+130.9200/+30.9105+130.9400/+30.9057+130.9600/+30.9014+130.9800/+30.9000+130.9854/+30.8984+130.9800/+30.8928+130.9600/+30.8859+130.9400/+30.8800+130.9256/+30.8778+130.9200/+30.8705+130.9000/+30.8649+130.8800/+30.8600+130.8640/+30.8589+130.8600/+30.8539+130.8400/+30.8516+130.8200/+30.8501+130.8000/+30.8464+130.7800/+30.8431+130.7600/+30.8400+130.7448/+30.8381+130.7400/+30.8384+130.7200/+30.8329+130.7000/+30.8289+130.6800/+30.8250+130.6600/+30.8216+130.6400/+30.8200+130.6320/+30.8166+130.6200/+30.8200+130.6155/+30.8234+130.6000/+30.8220+130.5800/+30.8204+130.5600/+30.8200+130.5530/+30.8150+130.5400/+30.8075+130.5200/+30.8038+130.5000/+30.8018+130.4800/+30.8008+130.4600/+30.8000+130.4406/+30.7995+130.4400/+30.7844+130.4200/+30.7811+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3589/+30.7614+130.3400/+30.7602+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3010/+30.8390+130.3200/+30.8399+130.3400/+30.8400+130.3473/+30.8526+130.3600/+30.8589+130.3800/+30.8597+130.4000/+30.8600+130.4037/+30.8739+130.4200/+30.8780+130.4400/+30.8797+130.4600/+30.8800+130.4638/+30.8886+130.4800/+30.8941+130.5000/+30.8969+130.5200/+30.8987+130.5400/+30.9000+130.5529/+30.9032+130.5600/+30.9101+130.5800/+30.9172+130.6000/+30.9189+130.6200/+30.9200+130.6303/+30.9217+130.6400/ 東 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8016+130.3400/+30.8000+130.3419/+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 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +30.9819+130.7400/+30.9846+130.7600/+30.9866+130.7800/+30.9862+130.8000/+30.9876+130.8200/+30.9897+130.8400/+30.9899+130.8600/+30.9861+130.8800/+30.9800+130.8974/+30.9786+130.9000/+30.9660+130.9200/+30.9600+130.9251/+30.9547+130.9200/+30.9400+130.9062/+30.9380+130.9000/+30.9307+130.8800/+30.9251+130.8600/+30.9204+130.8400/+30.9200+130.8382/+30.9160+130.8200/+30.9061+130.8000/+30.9000+130.7804/+30.8999+130.7800/+30.8957+130.7600/+30.8918+130.7400/+30.8888+130.7200/+30.8826+130.7000/+30.8800+130.6915/+30.8756+130.6800/+30.8695+130.6600/+30.8652+130.6400/+30.8608+130.6200/+30.8634+130.6000/+30.8604+130.5800/+30.8600+130.5778/+30.8483+130.5600/+30.8436+130.5400/+30.8412+130.5200/+30.8400+130.5085/+30.8328+130.5000/+30.8229+130.4800/+30.8208+130.4600/+30.8200+130.4473/+30.8131+130.4400/+30.8013+130.4200/+30.8003+130.4000/+30.8000+130.3966/+30.7835+130.3800/+30.7802+130.3600/+30.7800+130.3400/+30.7800+130.3397/+30.7605+130.3200/+30.7611+130.3000/+30.7800+130.2811/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3004/+30.8396+130.3200/+30.8399+130.3400/+30.8400+130.3417/+30.8582+130.3600/+30.8597+130.3800/+30.8600+130.3861/+30.8737+130.4000/+30.8789+130.4200/+30.8800+130.4364/+30.8835+130.4400/+30.8967+130.4600/+30.8994+130.4800/+30.9000+130.4847/+30.9114+130.5000/+30.9169+130.5200/+30.9200+130.5364/+30.9225+130.5400/+30.9310+130.5600/+30.9400+130.5739/+30.9458+130.5800/+30.9511+130.6000/+30.9542+130.6200/+30.9565+130.6400/+30.9582+130.6600/+30.9600+130.6699/+30.9685+130.6800/+30.9745+130.7000/+30.9787+130.7200/+30.9800+130.7275/+30.9819+130.7400/ 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/+30.8056+130.3400/+30.8000+130.3459/+30.7962+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 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +31.0059+130.8200/+31.0119+130.8400/+31.0146+130.8600/+31.0151+130.8800/+31.0157+130.9000/+31.0137+130.9200/+31.0113+130.9400/+31.0089+130.9600/+31.0065+130.9800/+31.0031+131.0000/+31.0000+131.0061/+30.9977+131.0000/+30.9938+130.9800/+30.9895+130.9600/+30.9833+130.9400/+30.9800+130.9324/+30.9737+130.9200/+30.9606+130.9000/+30.9600+130.8995/+30.9426+130.8800/+30.9400+130.8772/+30.9327+130.8600/+30.9261+130.8400/+30.9207+130.8200/+30.9242+130.8000/+30.9200+130.7870/+30.9151+130.7800/+30.9060+130.7600/+30.9000+130.7482/+30.8971+130.7400/+30.8925+130.7200/+30.8956+130.7000/+30.8833+130.6800/+30.8800+130.6722/+30.8742+130.6600/+30.8680+130.6400/+30.8632+130.6200/+30.8652+130.6000/+30.8616+130.5800/+30.8600+130.5663/+30.8552+130.5600/+30.8437+130.5400/+30.8412+130.5200/+30.8400+130.5066/+30.8344+130.5000/+30.8223+130.4800/+30.8206+130.4600/+30.8200+130.4512/+30.8093+130.4400/+30.8009+130.4200/+30.8002+130.4000/+30.8000+130.3981/+30.7820+130.3800/+30.7802+130.3600/+30.7800+130.3443/+30.7757+130.3400/+30.7604+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3006/+30.8394+130.3200/+30.8399+130.3400/+30.8400+130.3448/+30.8552+130.3600/+30.8596+130.3800/+30.8599+130.4000/+30.8600+130.4009/+30.8779+130.4200/+30.8795+130.4400/+30.8800+130.4476/+30.8915+130.4600/+30.8981+130.4800/+30.8998+130.5000/+30.9000+130.5014/+30.9145+130.5200/+30.9183+130.5400/+30.9200+130.5537/+30.9251+130.5600/+30.9399+130.5800/+30.9400+130.5802/+30.9506+130.6000/+30.9544+130.6200/+30.9567+130.6400/+30.9598+130.6600/+30.9600+130.6606/+30.9796+130.6800/+30.9800+130.6817/+30.9840+130.7000/+30.9871+130.7200/+30.9894+130.7400/+30.9915+130.7600/+30.9959+130.7800/+30.9987+130.8000/+31.0000+130.8049/+31.0059+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/+30.8074+130.3400/+30.8000+130.3477/+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 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +30.9614+130.8200/+30.9636+130.8400/+30.9648+130.8600/+30.9650+130.8800/+30.9652+130.9000/+30.9647+130.9200/+30.9641+130.9400/+30.9628+130.9600/+30.9604+130.9800/+30.9600+130.9829/+30.9400+130.9987/+30.9337+130.9800/+30.9260+130.9600/+30.9200+130.9482/+30.9150+130.9400/+30.9000+130.9251/+30.8978+130.9200/+30.8907+130.9000/+30.8845+130.8800/+30.8800+130.8620/+30.8795+130.8600/+30.8750+130.8400/+30.8709+130.8200/+30.8684+130.8000/+30.8612+130.7800/+30.8600+130.7758/+30.8564+130.7600/+30.8518+130.7400/+30.8497+130.7200/+30.8471+130.7000/+30.8441+130.6800/+30.8415+130.6600/+30.8400+130.6479/+30.8360+130.6400/+30.8274+130.6200/+30.8313+130.6000/+30.8266+130.5800/+30.8228+130.5600/+30.8212+130.5400/+30.8200+130.5275/+30.8153+130.5200/+30.8071+130.5000/+30.8033+130.4800/+30.8012+130.4600/+30.8003+130.4400/+30.8000+130.4356/+30.7874+130.4200/+30.7814+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3576/+30.7625+130.3400/+30.7603+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3014/+30.8386+130.3200/+30.8399+130.3400/+30.8400+130.3600/+30.8400+130.3612/+30.8581+130.3800/+30.8595+130.4000/+30.8599+130.4200/+30.8600+130.4211/+30.8764+130.4400/+30.8787+130.4600/+30.8798+130.4800/+30.8800+130.4818/+30.8925+130.5000/+30.8973+130.5200/+30.8994+130.5400/+30.9000+130.5468/+30.9067+130.5600/+30.9136+130.5800/+30.9200+130.5915/+30.9287+130.6000/+30.9316+130.6200/+30.9340+130.6400/+30.9367+130.6600/+30.9386+130.6800/+30.9400+130.6842/+30.9473+130.7000/+30.9484+130.7200/+30.9501+130.7400/+30.9519+130.7600/+30.9523+130.7800/+30.9593+130.8000/+30.9600+130.8085/+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/+30.8112+130.3400/+30.8000+130.3528/+30.7909+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 2026-07-05T12:00:00+09:00 2026-07-05T15:00:00+09:00 降灰 70 +30.9018+130.7200/+30.9017+130.7400/+30.9017+130.7600/+30.9000+130.7761/+30.8995+130.7800/+30.8967+130.8000/+30.8914+130.8200/+30.8902+130.8400/+30.8888+130.8600/+30.8871+130.8800/+30.8850+130.9000/+30.8824+130.9200/+30.8800+130.9354/+30.8792+130.9400/+30.8767+130.9600/+30.8754+130.9800/+30.8739+131.0000/+30.8672+131.0200/+30.8600+131.0361/+30.8400+131.0259/+30.8383+131.0200/+30.8332+131.0000/+30.8310+130.9800/+30.8289+130.9600/+30.8262+130.9400/+30.8234+130.9200/+30.8211+130.9000/+30.8200+130.8914/+30.8187+130.8800/+30.8167+130.8600/+30.8144+130.8400/+30.8113+130.8200/+30.8097+130.8000/+30.8079+130.7800/+30.8066+130.7600/+30.8054+130.7400/+30.8042+130.7200/+30.8030+130.7000/+30.8024+130.6800/+30.8015+130.6600/+30.8004+130.6400/+30.8000+130.6367/+30.7953+130.6200/+30.8000+130.6147/+30.8032+130.6000/+30.8028+130.5800/+30.8016+130.5600/+30.8012+130.5400/+30.8005+130.5200/+30.8000+130.5066/+30.7965+130.5000/+30.7889+130.4800/+30.7839+130.4600/+30.7816+130.4400/+30.7806+130.4200/+30.7803+130.4000/+30.7801+130.3800/+30.7800+130.3600/+30.7800+130.3596/+30.7608+130.3400/+30.7602+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3178/+30.8222+130.3200/+30.8395+130.3400/+30.8398+130.3600/+30.8399+130.3800/+30.8399+130.4000/+30.8400+130.4017/+30.8556+130.4200/+30.8582+130.4400/+30.8589+130.4600/+30.8594+130.4800/+30.8600+130.4978/+30.8616+130.5000/+30.8712+130.5200/+30.8734+130.5400/+30.8769+130.5600/+30.8772+130.5800/+30.8778+130.6000/+30.8800+130.6067/+30.8911+130.6200/+30.8916+130.6400/+30.8920+130.6600/+30.8927+130.6800/+30.8936+130.7000/+30.9000+130.7176/+30.9018+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/+30.8087+130.3400/+30.8000+130.3526/+30.7800+130.3442/+30.7758+130.3400/+30.7712+130.3200/+30.7800+130.3112/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 4 鹿児島県三島村 4630300 2026-07-05T15:00:00+09:00 2026-07-05T18:00:00+09:00 降灰 70 +30.9013+130.7200/+30.9000+130.7390/+30.8999+130.7400/+30.8983+130.7600/+30.8981+130.7800/+30.8980+130.8000/+30.8898+130.8200/+30.8882+130.8400/+30.8862+130.8600/+30.8837+130.8800/+30.8805+130.9000/+30.8800+130.9033/+30.8772+130.9200/+30.8732+130.9400/+30.8675+130.9600/+30.8600+130.9770/+30.8400+130.9664/+30.8381+130.9600/+30.8339+130.9400/+30.8311+130.9200/+30.8288+130.9000/+30.8257+130.8800/+30.8231+130.8600/+30.8212+130.8400/+30.8200+130.8317/+30.8187+130.8200/+30.8177+130.8000/+30.8157+130.7800/+30.8140+130.7600/+30.8115+130.7400/+30.8124+130.7200/+30.8099+130.7000/+30.8081+130.6800/+30.8067+130.6600/+30.8058+130.6400/+30.8036+130.6200/+30.8098+130.6000/+30.8073+130.5800/+30.8043+130.5600/+30.8027+130.5400/+30.8015+130.5200/+30.8009+130.5000/+30.8003+130.4800/+30.8000+130.4693/+30.7941+130.4600/+30.7834+130.4400/+30.7811+130.4200/+30.7804+130.4000/+30.7801+130.3800/+30.7800+130.3600/+30.7800+130.3592/+30.7610+130.3400/+30.7602+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3064/+30.8336+130.3200/+30.8397+130.3400/+30.8399+130.3600/+30.8399+130.3800/+30.8400+130.3831/+30.8550+130.4000/+30.8584+130.4200/+30.8591+130.4400/+30.8596+130.4600/+30.8600+130.4697/+30.8666+130.4800/+30.8734+130.5000/+30.8758+130.5200/+30.8765+130.5400/+30.8779+130.5600/+30.8791+130.5800/+30.8793+130.6000/+30.8800+130.6024/+30.8931+130.6200/+30.8938+130.6400/+30.8939+130.6600/+30.8938+130.6800/+30.8936+130.7000/+30.9000+130.7183/+30.9013+130.7200/ 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/+30.8044+130.3400/+30.8000+130.3448/+30.7968+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、５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。 　５日０時から５日１８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 　０５日００時から０３時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０６時から０９時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日０９時から１２時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１２時から１５時まで　東　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０５日１５時から１８時まで　東　　　　　　　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。