2026-08-08T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-08T17:00:00+09:00 2026-08-08T18:00:00+09:00 2026-08-09T12:00:00+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、９日０９時から１２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 2026-08-08T18:00:00+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 +30.8278+130.2600/+30.8287+130.2800/+30.8200+130.2887/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7819+130.2800/+30.7890+130.2600/+30.8000+130.2410/+30.8200+130.2400/+30.8278+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 +31.0026+129.4400/+31.0086+129.4600/+31.0149+129.4800/+31.0188+129.5000/+31.0172+129.5200/+31.0158+129.5400/+31.0140+129.5600/+31.0120+129.5800/+31.0101+129.6000/+31.0019+129.6200/+31.0000+129.6239/+30.9943+129.6400/+30.9900+129.6600/+30.9868+129.6800/+30.9843+129.7000/+30.9817+129.7200/+30.9800+129.7323/+30.9789+129.7400/+30.9758+129.7600/+30.9719+129.7800/+30.9669+129.8000/+30.9600+129.8053/+30.9536+129.8200/+30.9513+129.8400/+30.9494+129.8600/+30.9469+129.8800/+30.9437+129.9000/+30.9400+129.9145/+30.9387+129.9200/+30.9288+129.9400/+30.9239+129.9600/+30.9200+129.9701/+30.9172+129.9800/+30.9088+130.0000/+30.9000+130.0058/+30.8964+130.0200/+30.8921+130.0400/+30.8800+130.0588/+30.8799+130.0600/+30.8791+130.0800/+30.8782+130.1000/+30.8800+130.1175/+30.8911+130.1000/+30.9000+130.0872/+30.9105+130.1000/+30.9051+130.1200/+30.9000+130.1293/+30.8950+130.1400/+30.8888+130.1600/+30.8800+130.1723/+30.8766+130.1800/+30.8689+130.2000/+30.8600+130.2107/+30.8565+130.2200/+30.8501+130.2400/+30.8400+130.2516/+30.8398+130.2600/+30.8386+130.2800/+30.8200+130.2989/+30.8199+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3283/+30.7717+130.3200/+30.7608+130.3000/+30.7608+130.2800/+30.7700+130.2600/+30.7800+130.2499/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7809+130.1800/+30.7835+130.1600/+30.7978+130.1400/+30.8000+130.1376/+30.8005+130.1200/+30.8010+130.1000/+30.8023+130.0800/+30.8050+130.0600/+30.8156+130.0400/+30.8200+130.0334/+30.8208+130.0200/+30.8219+130.0000/+30.8200+129.9913/+30.8094+129.9800/+30.8145+129.9600/+30.8200+129.9472/+30.8227+129.9400/+30.8386+129.9200/+30.8400+129.9178/+30.8419+129.9000/+30.8427+129.8800/+30.8451+129.8600/+30.8485+129.8400/+30.8514+129.8200/+30.8560+129.8000/+30.8600+129.7855/+30.8615+129.7800/+30.8656+129.7600/+30.8701+129.7400/+30.8751+129.7200/+30.8800+129.7055/+30.8823+129.7000/+30.8900+129.6800/+30.9000+129.6624/+30.9012+129.6600/+30.9088+129.6400/+30.9152+129.6200/+30.9200+129.6053/+30.9218+129.6000/+30.9277+129.5800/+30.9349+129.5600/+30.9400+129.5475/+30.9458+129.5400/+30.9590+129.5200/+30.9600+129.5184/+30.9714+129.5000/+30.9800+129.4833/+30.9817+129.4800/+30.9919+129.4600/+30.9983+129.4400/+31.0000+129.4261/+31.0026+129.4400/ +30.9213+130.0800/+30.9200+130.0824/+30.9163+130.0800/+30.9200+130.0762/+30.9213+130.0800/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8282+130.2600/+30.8309+130.2800/+30.8200+130.2909/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7822+130.2800/+30.7896+130.2600/+30.8000+130.2408/+30.8200+130.2439/+30.8282+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 +31.0605+129.5000/+31.0600+129.5034/+31.0546+129.5200/+31.0512+129.5400/+31.0475+129.5600/+31.0434+129.5800/+31.0404+129.6000/+31.0400+129.6011/+31.0349+129.6200/+31.0310+129.6400/+31.0279+129.6600/+31.0246+129.6800/+31.0213+129.7000/+31.0200+129.7054/+31.0161+129.7200/+31.0090+129.7400/+31.0000+129.7576/+30.9994+129.7600/+30.9953+129.7800/+30.9926+129.8000/+30.9902+129.8200/+30.9833+129.8400/+30.9800+129.8529/+30.9775+129.8600/+30.9638+129.8800/+30.9600+129.8848/+30.9579+129.9000/+30.9551+129.9200/+30.9476+129.9400/+30.9400+129.9564/+30.9393+129.9600/+30.9360+129.9800/+30.9330+130.0000/+30.9284+130.0200/+30.9200+130.0280/+30.9000+130.0397/+30.9000+130.0400/+30.8981+130.0600/+30.8953+130.0800/+30.8839+130.1000/+30.8800+130.1032/+30.8794+130.1200/+30.8800+130.1342/+30.8921+130.1200/+30.9000+130.1109/+30.9087+130.1200/+30.9046+130.1400/+30.9000+130.1460/+30.8935+130.1600/+30.8867+130.1800/+30.8800+130.1875/+30.8748+130.2000/+30.8637+130.2200/+30.8600+130.2238/+30.8547+130.2400/+30.8400+130.2580/+30.8400+130.2600/+30.8394+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8145+130.3200/+30.8000+130.3345/+30.7800+130.3294/+30.7706+130.3200/+30.7608+130.3000/+30.7615+130.2800/+30.7800+130.2614/+30.7801+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7813+130.2000/+30.7994+130.1800/+30.8000+130.1794/+30.8003+130.1600/+30.8009+130.1400/+30.8031+130.1200/+30.8170+130.1000/+30.8200+130.0967/+30.8208+130.0800/+30.8220+130.0600/+30.8261+130.0400/+30.8393+130.0200/+30.8400+130.0191/+30.8415+130.0000/+30.8415+129.9800/+30.8433+129.9600/+30.8464+129.9400/+30.8525+129.9200/+30.8600+129.9018/+30.8605+129.9000/+30.8600+129.8964/+30.8556+129.8800/+30.8600+129.8669/+30.8634+129.8600/+30.8800+129.8431/+30.8812+129.8400/+30.8849+129.8200/+30.8896+129.8000/+30.8913+129.7800/+30.9000+129.7701/+30.9046+129.7600/+30.9113+129.7400/+30.9163+129.7200/+30.9200+129.7073/+30.9223+129.7000/+30.9286+129.6800/+30.9384+129.6600/+30.9400+129.6569/+30.9519+129.6400/+30.9600+129.6253/+30.9624+129.6200/+30.9697+129.6000/+30.9756+129.5800/+30.9800+129.5670/+30.9825+129.5600/+30.9904+129.5400/+31.0000+129.5205/+31.0017+129.5200/+31.0200+129.5097/+31.0264+129.5000/+31.0385+129.4800/+31.0400+129.4766/+31.0487+129.4800/+31.0600+129.4941/+31.0605+129.5000/ +30.9211+130.1000/+30.9200+130.1022/+30.9176+130.1000/+30.9200+130.0970/+30.9211+130.1000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8259+130.2600/+30.8288+130.2800/+30.8200+130.2888/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7828+130.2800/+30.7908+130.2600/+30.8000+130.2457/+30.8200+130.2472/+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 +31.0653+129.4800/+31.0683+129.5000/+31.0648+129.5200/+31.0619+129.5400/+31.0600+129.5495/+31.0556+129.5600/+31.0478+129.5800/+31.0428+129.6000/+31.0400+129.6108/+31.0382+129.6200/+31.0359+129.6400/+31.0337+129.6600/+31.0313+129.6800/+31.0291+129.7000/+31.0251+129.7200/+31.0202+129.7400/+31.0200+129.7407/+31.0134+129.7600/+31.0014+129.7800/+31.0000+129.7817/+30.9952+129.8000/+30.9926+129.8200/+30.9881+129.8400/+30.9839+129.8600/+30.9800+129.8722/+30.9765+129.8800/+30.9653+129.9000/+30.9600+129.9051/+30.9574+129.9200/+30.9530+129.9400/+30.9486+129.9600/+30.9400+129.9745/+30.9388+129.9800/+30.9370+130.0000/+30.9357+130.0200/+30.9200+130.0336/+30.9122+130.0400/+30.9000+130.0560/+30.8996+130.0600/+30.8985+130.0800/+30.8989+130.1000/+30.9000+130.1020/+30.9013+130.1000/+30.9187+130.0800/+30.9200+130.0788/+30.9294+130.0600/+30.9400+130.0458/+30.9497+130.0400/+30.9600+130.0253/+30.9698+130.0400/+30.9723+130.0600/+30.9600+130.0744/+30.9570+130.0800/+30.9454+130.1000/+30.9400+130.1061/+30.9333+130.1200/+30.9200+130.1372/+30.9178+130.1400/+30.9088+130.1600/+30.9000+130.1699/+30.8962+130.1800/+30.8806+130.2000/+30.8800+130.2006/+30.8739+130.2200/+30.8600+130.2350/+30.8575+130.2400/+30.8489+130.2600/+30.8400+130.2690/+30.8395+130.2800/+30.8228+130.3000/+30.8200+130.3027/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3318/+30.7682+130.3200/+30.7607+130.3000/+30.7616+130.2800/+30.7800+130.2616/+30.7801+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7826+130.2000/+30.8000+130.1821/+30.8002+130.1800/+30.8005+130.1600/+30.8017+130.1400/+30.8095+130.1200/+30.8200+130.1084/+30.8205+130.1000/+30.8217+130.0800/+30.8250+130.0600/+30.8373+130.0400/+30.8400+130.0366/+30.8413+130.0200/+30.8421+130.0000/+30.8435+129.9800/+30.8462+129.9600/+30.8521+129.9400/+30.8600+129.9248/+30.8615+129.9200/+30.8661+129.9000/+30.8717+129.8800/+30.8800+129.8680/+30.8816+129.8600/+30.8857+129.8400/+30.8890+129.8200/+30.8946+129.8000/+30.9000+129.7881/+30.9045+129.7800/+30.9106+129.7600/+30.9157+129.7400/+30.9200+129.7234/+30.9210+129.7200/+30.9290+129.7000/+30.9367+129.6800/+30.9400+129.6735/+30.9488+129.6600/+30.9600+129.6402/+30.9601+129.6400/+30.9685+129.6200/+30.9770+129.6000/+30.9800+129.5917/+30.9847+129.5800/+30.9945+129.5600/+31.0000+129.5492/+31.0138+129.5400/+31.0200+129.5304/+31.0242+129.5200/+31.0290+129.5000/+31.0374+129.4800/+31.0400+129.4737/+31.0600+129.4628/+31.0653+129.4800/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8271+130.2600/+30.8295+130.2800/+30.8200+130.2895/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7912+130.2600/+30.8000+130.2473/+30.8200+130.2462/+30.8271+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T06:00:00+09:00 2026-08-09T09:00:00+09:00 降灰 70 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+31.0006+129.9600/+31.0029+129.9800/+31.0000+129.9874/+30.9818+130.0000/+30.9800+130.0021/+30.9791+130.0000/+30.9782+129.9800/+30.9800+129.9768/+30.9995+129.9600/+31.0000+129.9594/+31.0006+129.9600/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8217+130.2600/+30.8260+130.2800/+30.8200+130.2860/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7829+130.2800/+30.7927+130.2600/+30.8000+130.2479/+30.8200+130.2557/+30.8217+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T09:00:00+09:00 2026-08-09T12:00:00+09:00 降灰 70 +31.0086+129.4400/+31.0098+129.4600/+31.0072+129.4800/+31.0051+129.5000/+31.0027+129.5200/+31.0005+129.5400/+31.0000+129.5423/+30.9874+129.5600/+30.9853+129.5800/+30.9847+129.6000/+30.9832+129.6200/+30.9822+129.6400/+30.9801+129.6600/+30.9800+129.6605/+30.9765+129.6800/+30.9730+129.7000/+30.9706+129.7200/+30.9680+129.7400/+30.9639+129.7600/+30.9600+129.7716/+30.9575+129.7800/+30.9525+129.8000/+30.9474+129.8200/+30.9447+129.8400/+30.9411+129.8600/+30.9400+129.8646/+30.9357+129.8800/+30.9271+129.9000/+30.9225+129.9200/+30.9200+129.9272/+30.9180+129.9400/+30.9130+129.9600/+30.9000+129.9792/+30.8999+129.9800/+30.8983+130.0000/+30.8899+130.0200/+30.8800+130.0353/+30.8795+130.0400/+30.8786+130.0600/+30.8772+130.0800/+30.8765+130.1000/+30.8800+130.1120/+30.8877+130.1000/+30.9000+130.0875/+30.9117+130.0800/+30.9200+130.0670/+30.9260+130.0800/+30.9206+130.1000/+30.9200+130.1009/+30.9132+130.1200/+30.9039+130.1400/+30.9000+130.1450/+30.8954+130.1600/+30.8864+130.1800/+30.8800+130.1870/+30.8759+130.2000/+30.8632+130.2200/+30.8600+130.2233/+30.8555+130.2400/+30.8400+130.2579/+30.8399+130.2600/+30.8388+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8166+130.3200/+30.8000+130.3366/+30.7800+130.3334/+30.7666+130.3200/+30.7605+130.3000/+30.7605+130.2800/+30.7628+130.2600/+30.7800+130.2424/+30.7801+130.2400/+30.7801+130.2200/+30.7802+130.2000/+30.7805+130.1800/+30.7813+130.1600/+30.7835+130.1400/+30.7898+130.1200/+30.8000+130.1060/+30.8003+130.1000/+30.8009+130.0800/+30.8017+130.0600/+30.8034+130.0400/+30.8056+130.0200/+30.8101+130.0000/+30.8046+129.9800/+30.8073+129.9600/+30.8119+129.9400/+30.8200+129.9210/+30.8203+129.9200/+30.8249+129.9000/+30.8249+129.8800/+30.8334+129.8600/+30.8400+129.8504/+30.8423+129.8400/+30.8459+129.8200/+30.8507+129.8000/+30.8539+129.7800/+30.8600+129.7631/+30.8608+129.7600/+30.8654+129.7400/+30.8698+129.7200/+30.8752+129.7000/+30.8796+129.6800/+30.8800+129.6783/+30.8851+129.6600/+30.8930+129.6400/+30.9000+129.6279/+30.9058+129.6200/+30.9185+129.6000/+30.9200+129.5967/+30.9279+129.5800/+30.9389+129.5600/+30.9400+129.5576/+30.9575+129.5400/+30.9600+129.5355/+30.9800+129.5281/+30.9834+129.5200/+30.9855+129.5000/+30.9873+129.4800/+30.9882+129.4600/+30.9926+129.4400/+31.0000+129.4225/+31.0086+129.4400/ +30.8611+130.1400/+30.8600+130.1416/+30.8599+130.1400/+30.8600+130.1337/+30.8611+130.1400/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8217+130.2600/+30.8249+130.2800/+30.8200+130.2849/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7827+130.2800/+30.7921+130.2600/+30.8000+130.2463/+30.8200+130.2553/+30.8217+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、９日０９時から１２時までは火口から西方向に降灰が予想されます。 　８日１８時から９日１２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１８時から２１時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０８日２１時から２４時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０９日００時から０３時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０３時から０６時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０６時から０９時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　９０ｋｍ　　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。