2026-08-08T02:00:00Z 通常 気象庁本庁 気象庁 2026-08-08T11:00:00+09:00 2026-08-08T12:00:00+09:00 2026-08-09T06:00:00+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、８日２１時から２４時までは火口から西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 2026-08-08T12:00:00+09:00 2026-08-08T15:00:00+09:00 降灰 70 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西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8217+130.2400/+30.8303+130.2600/+30.8200+130.2703/+30.8183+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7817+130.2800/+30.7870+130.2600/+30.7950+130.2400/+30.8000+130.2296/+30.8200+130.2352/+30.8217+130.2400/ 西 7 鹿児島県三島村 4630300 2026-08-08T15:00:00+09:00 2026-08-08T18:00:00+09:00 降灰 70 +31.0021+129.3400/+31.0027+129.3600/+31.0011+129.3800/+31.0000+129.3927/+30.9932+129.3800/+30.9910+129.3600/+30.9951+129.3400/+31.0000+129.3273/+31.0021+129.3400/ +30.9816+129.4400/+30.9834+129.4600/+30.9852+129.4800/+30.9862+129.5000/+30.9838+129.5200/+30.9822+129.5400/+30.9806+129.5600/+30.9800+129.5665/+30.9789+129.5800/+30.9773+129.6000/+30.9757+129.6200/+30.9741+129.6400/+30.9712+129.6600/+30.9662+129.6800/+30.9600+129.6984/+30.9595+129.7000/+30.9549+129.7200/+30.9512+129.7400/+30.9483+129.7600/+30.9456+129.7800/+30.9432+129.8000/+30.9402+129.8200/+30.9400+129.8209/+30.9355+129.8400/+30.9272+129.8600/+30.9200+129.8704/+30.9189+129.8800/+30.9176+129.9000/+30.9143+129.9200/+30.9047+129.9400/+30.9000+129.9465/+30.8990+129.9600/+30.8978+129.9800/+30.8971+130.0000/+30.8800+130.0184/+30.8794+130.0200/+30.8785+130.0400/+30.8775+130.0600/+30.8750+130.0800/+30.8600+130.0999/+30.8600+130.1000/+30.8598+130.1200/+30.8600+130.1392/+30.8730+130.1200/+30.8800+130.1143/+30.8860+130.1200/+30.8888+130.1400/+30.8800+130.1572/+30.8767+130.1600/+30.8691+130.1800/+30.8600+130.1992/+30.8597+130.2000/+30.8530+130.2200/+30.8446+130.2400/+30.8400+130.2451/+30.8396+130.2600/+30.8369+130.2800/+30.8200+130.2971/+30.8198+130.3000/+30.8140+130.3200/+30.8000+130.3340/+30.7800+130.3284/+30.7716+130.3200/+30.7608+130.3000/+30.7607+130.2800/+30.7652+130.2600/+30.7800+130.2450/+30.7801+130.2400/+30.7801+130.2200/+30.7802+130.2000/+30.7805+130.1800/+30.7813+130.1600/+30.7845+130.1400/+30.7974+130.1200/+30.8000+130.1169/+30.8004+130.1000/+30.8008+130.0800/+30.8016+130.0600/+30.8031+130.0400/+30.8068+130.0200/+30.8167+130.0000/+30.8038+129.9800/+30.8058+129.9600/+30.8090+129.9400/+30.8147+129.9200/+30.8200+129.9032/+30.8207+129.9000/+30.8200+129.8958/+30.8159+129.8800/+30.8200+129.8641/+30.8214+129.8600/+30.8326+129.8400/+30.8400+129.8268/+30.8410+129.8200/+30.8442+129.8000/+30.8400+129.7820/+30.8380+129.7800/+30.8400+129.7763/+30.8457+129.7600/+30.8519+129.7400/+30.8578+129.7200/+30.8600+129.7135/+30.8629+129.7000/+30.8658+129.6800/+30.8693+129.6600/+30.8733+129.6400/+30.8779+129.6200/+30.8800+129.6126/+30.8842+129.6000/+30.8915+129.5800/+30.9000+129.5633/+30.9019+129.5600/+30.9094+129.5400/+30.9145+129.5200/+30.9192+129.5000/+30.9200+129.4972/+30.9251+129.4800/+30.9318+129.4600/+30.9382+129.4400/+30.9400+129.4337/+30.9505+129.4200/+30.9600+129.4040/+30.9796+129.4200/+30.9800+129.4220/+30.9816+129.4400/ +30.9053+130.1000/+30.9000+130.1080/+30.8923+130.1000/+30.9000+130.0852/+30.9053+130.1000/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8207+130.2400/+30.8309+130.2600/+30.8315+130.2800/+30.8200+130.2915/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7820+130.2800/+30.7877+130.2600/+30.7985+130.2400/+30.8000+130.2371/+30.8200+130.2382/+30.8207+130.2400/ 北西 7 鹿児島県三島村 4630300 2026-08-08T18:00:00+09:00 2026-08-08T21:00:00+09:00 降灰 70 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西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8289+130.2600/+30.8320+130.2800/+30.8200+130.2920/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7818+130.2800/+30.7887+130.2600/+30.8000+130.2407/+30.8200+130.2404/+30.8289+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-08T21:00:00+09:00 2026-08-09T00:00:00+09:00 降灰 70 +30.9703+129.4400/+30.9739+129.4600/+30.9752+129.4800/+30.9758+129.5000/+30.9749+129.5200/+30.9741+129.5400/+30.9738+129.5600/+30.9738+129.5800/+30.9738+129.6000/+30.9705+129.6200/+30.9669+129.6400/+30.9620+129.6600/+30.9600+129.6661/+30.9556+129.6800/+30.9502+129.7000/+30.9467+129.7200/+30.9436+129.7400/+30.9408+129.7600/+30.9400+129.7660/+30.9390+129.7800/+30.9377+129.8000/+30.9258+129.8200/+30.9200+129.8310/+30.9188+129.8400/+30.9170+129.8600/+30.9154+129.8800/+30.9145+129.9000/+30.9000+129.9199/+30.9000+129.9200/+30.8985+129.9400/+30.8974+129.9600/+30.8966+129.9800/+30.8960+130.0000/+30.8800+130.0167/+30.8786+130.0200/+30.8783+130.0400/+30.8777+130.0600/+30.8800+130.0742/+30.8862+130.0600/+30.9000+130.0450/+30.9047+130.0400/+30.9200+130.0204/+30.9400+130.0327/+30.9412+130.0400/+30.9400+130.0424/+30.9347+130.0600/+30.9241+130.0800/+30.9200+130.0861/+30.9153+130.1000/+30.9074+130.1200/+30.9000+130.1321/+30.8977+130.1400/+30.8910+130.1600/+30.8800+130.1740/+30.8779+130.1800/+30.8723+130.2000/+30.8600+130.2143/+30.8577+130.2200/+30.8514+130.2400/+30.8400+130.2528/+30.8396+130.2600/+30.8378+130.2800/+30.8200+130.2981/+30.8198+130.3000/+30.8130+130.3200/+30.8000+130.3330/+30.7800+130.3267/+30.7733+130.3200/+30.7607+130.3000/+30.7605+130.2800/+30.7620+130.2600/+30.7800+130.2402/+30.7800+130.2400/+30.7801+130.2200/+30.7802+130.2000/+30.7803+130.1800/+30.7806+130.1600/+30.7813+130.1400/+30.7828+130.1200/+30.7866+130.1000/+30.7945+130.0800/+30.8000+130.0706/+30.8004+130.0600/+30.8012+130.0400/+30.8019+130.0200/+30.8030+130.0000/+30.8000+129.9820/+30.7981+129.9800/+30.8000+129.9752/+30.8017+129.9600/+30.8044+129.9400/+30.8084+129.9200/+30.8116+129.9000/+30.8105+129.8800/+30.8136+129.8600/+30.8192+129.8400/+30.8200+129.8361/+30.8241+129.8200/+30.8324+129.8000/+30.8256+129.7800/+30.8336+129.7600/+30.8400+129.7470/+30.8432+129.7400/+30.8507+129.7200/+30.8590+129.7000/+30.8600+129.6960/+30.8627+129.6800/+30.8664+129.6600/+30.8703+129.6400/+30.8745+129.6200/+30.8799+129.6000/+30.8800+129.5995/+30.8864+129.5800/+30.8956+129.5600/+30.9000+129.5512/+30.9084+129.5400/+30.9170+129.5200/+30.9200+129.5115/+30.9234+129.5000/+30.9301+129.4800/+30.9369+129.4600/+30.9400+129.4501/+30.9499+129.4400/+30.9600+129.4248/+30.9703+129.4400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8278+130.2600/+30.8200+130.2679/+30.8180+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7820+130.2800/+30.7894+130.2600/+30.8000+130.2401/+30.8200+130.2429/+30.8278+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T00:00:00+09:00 2026-08-09T03:00:00+09:00 降灰 70 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+30.9205+130.0600/+30.9200+130.0609/+30.9194+130.0600/+30.9200+130.0588/+30.9205+130.0600/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8259+130.2600/+30.8265+130.2800/+30.8200+130.2865/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7825+130.2800/+30.7898+130.2600/+30.8000+130.2414/+30.8200+130.2463/+30.8259+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T03:00:00+09:00 2026-08-09T06:00:00+09:00 降灰 70 +31.0020+129.4800/+31.0057+129.5000/+31.0076+129.5200/+31.0091+129.5400/+31.0083+129.5600/+31.0054+129.5800/+31.0026+129.6000/+31.0000+129.6064/+30.9936+129.6200/+30.9883+129.6400/+30.9855+129.6600/+30.9837+129.6800/+30.9823+129.7000/+30.9807+129.7200/+30.9800+129.7293/+30.9792+129.7400/+30.9769+129.7600/+30.9729+129.7800/+30.9678+129.8000/+30.9600+129.8067/+30.9541+129.8200/+30.9520+129.8400/+30.9498+129.8600/+30.9471+129.8800/+30.9439+129.9000/+30.9400+129.9158/+30.9390+129.9200/+30.9301+129.9400/+30.9267+129.9600/+30.9200+129.9783/+30.9196+129.9800/+30.9138+130.0000/+30.9000+130.0091/+30.8971+130.0200/+30.8936+130.0400/+30.8853+130.0600/+30.8800+130.0673/+30.8793+130.0800/+30.8792+130.1000/+30.8800+130.1075/+30.8840+130.1000/+30.8997+130.0800/+30.9000+130.0798/+30.9153+130.0600/+30.9200+130.0537/+30.9281+130.0600/+30.9288+130.0800/+30.9200+130.0976/+30.9186+130.1000/+30.9095+130.1200/+30.9000+130.1343/+30.8972+130.1400/+30.8925+130.1600/+30.8800+130.1767/+30.8783+130.1800/+30.8741+130.2000/+30.8600+130.2173/+30.8588+130.2200/+30.8537+130.2400/+30.8400+130.2554/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2996/+30.8199+130.3000/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3321/+30.7679+130.3200/+30.7606+130.3000/+30.7607+130.2800/+30.7658+130.2600/+30.7800+130.2454/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7829+130.1600/+30.7898+130.1400/+30.8000+130.1256/+30.8003+130.1200/+30.8010+130.1000/+30.8020+130.0800/+30.8042+130.0600/+30.8100+130.0400/+30.8200+130.0209/+30.8201+130.0200/+30.8217+130.0000/+30.8200+129.9915/+30.8107+129.9800/+30.8157+129.9600/+30.8200+129.9484/+30.8224+129.9400/+30.8320+129.9200/+30.8400+129.9062/+30.8410+129.9000/+30.8427+129.8800/+30.8455+129.8600/+30.8493+129.8400/+30.8529+129.8200/+30.8589+129.8000/+30.8600+129.7955/+30.8637+129.7800/+30.8685+129.7600/+30.8738+129.7400/+30.8794+129.7200/+30.8800+129.7183/+30.8876+129.7000/+30.8947+129.6800/+30.9000+129.6687/+30.9040+129.6600/+30.9120+129.6400/+30.9194+129.6200/+30.9200+129.6184/+30.9264+129.6000/+30.9324+129.5800/+30.9399+129.5600/+30.9400+129.5598/+30.9555+129.5400/+30.9600+129.5340/+30.9782+129.5200/+30.9800+129.5179/+30.9901+129.5000/+30.9975+129.4800/+31.0000+129.4723/+31.0020+129.4800/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8258+130.2600/+30.8255+130.2800/+30.8200+130.2855/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7920+130.2600/+30.8000+130.2462/+30.8200+130.2476/+30.8258+130.2600/ 北西 5 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、８日２１時から２４時までは火口から西方向に降灰が予想されます。 　８日１２時から９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 　０８日１２時から１５時まで　西　　　　　　　９０ｋｍ　　７ｋｍ　　　　　 　０８日１５時から１８時まで　西　　　　　　　９０ｋｍ　　７ｋｍ　　　　　 　０８日１８時から２１時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日００時から０３時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０９日０３時から０６時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。