2026-10-09T20:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T05:00:00+09:00 2026-10-10T06:00:00+09:00 2026-10-11T00:00:00+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、１０日０９時から１２時までは火口から西方向、１０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 2026-10-10T06:00:00+09:00 2026-10-10T09:00:00+09:00 降灰 70 +30.8832+129.6800/+30.8856+129.7000/+30.8854+129.7200/+30.8852+129.7400/+30.8846+129.7600/+30.8837+129.7800/+30.8800+129.7882/+30.8762+129.8000/+30.8752+129.8200/+30.8744+129.8400/+30.8739+129.8600/+30.8734+129.8800/+30.8707+129.9000/+30.8686+129.9200/+30.8690+129.9400/+30.8681+129.9600/+30.8657+129.9800/+30.8639+130.0000/+30.8600+130.0042/+30.8525+130.0200/+30.8504+130.0400/+30.8445+130.0600/+30.8400+130.0689/+30.8394+130.0800/+30.8393+130.1000/+30.8388+130.1200/+30.8389+130.1400/+30.8384+130.1600/+30.8381+130.1800/+30.8377+130.2000/+30.8381+130.2200/+30.8400+130.2244/+30.8560+130.2200/+30.8600+130.2178/+30.8652+130.2200/+30.8661+130.2400/+30.8600+130.2469/+30.8515+130.2600/+30.8400+130.2714/+30.8371+130.2800/+30.8200+130.2989/+30.8199+130.3000/+30.8041+130.3200/+30.8000+130.3241/+30.7915+130.3200/+30.7800+130.3198/+30.7604+130.3000/+30.7602+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7603+130.1800/+30.7604+130.1600/+30.7605+130.1400/+30.7606+130.1200/+30.7606+130.1000/+30.7606+130.0800/+30.7606+130.0600/+30.7607+130.0400/+30.7606+130.0200/+30.7607+130.0000/+30.7600+129.9970/+30.7462+129.9800/+30.7478+129.9600/+30.7502+129.9400/+30.7536+129.9200/+30.7544+129.9000/+30.7586+129.8800/+30.7600+129.8732/+30.7610+129.8600/+30.7629+129.8400/+30.7659+129.8200/+30.7693+129.8000/+30.7684+129.7800/+30.7724+129.7600/+30.7770+129.7400/+30.7800+129.7275/+30.7820+129.7200/+30.7886+129.7000/+30.7942+129.6800/+30.8000+129.6634/+30.8024+129.6600/+30.8136+129.6400/+30.8200+129.6239/+30.8215+129.6200/+30.8295+129.6000/+30.8391+129.5800/+30.8400+129.5780/+30.8600+129.5744/+30.8627+129.5800/+30.8709+129.6000/+30.8742+129.6200/+30.8767+129.6400/+30.8798+129.6600/+30.8800+129.6609/+30.8832+129.6800/ +30.8833+130.2000/+30.8800+130.2055/+30.8776+130.2000/+30.8800+130.1982/+30.8833+130.2000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8076+130.2600/+30.8174+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7811+130.2800/+30.7869+130.2600/+30.8000+130.2479/+30.8076+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-10T09:00:00+09:00 2026-10-10T12:00:00+09:00 降灰 70 +30.9459+129.6400/+30.9485+129.6600/+30.9477+129.6800/+30.9471+129.7000/+30.9450+129.7200/+30.9432+129.7400/+30.9408+129.7600/+30.9400+129.7653/+30.9386+129.7800/+30.9371+129.8000/+30.9341+129.8200/+30.9290+129.8400/+30.9227+129.8600/+30.9200+129.8672/+30.9181+129.8800/+30.9153+129.9000/+30.9071+129.9200/+30.9064+129.9400/+30.9015+129.9600/+30.9000+129.9627/+30.8980+129.9800/+30.8962+130.0000/+30.8853+130.0200/+30.8800+130.0394/+30.8800+130.0400/+30.8781+130.0600/+30.8746+130.0800/+30.8700+130.1000/+30.8600+130.1161/+30.8597+130.1200/+30.8584+130.1400/+30.8569+130.1600/+30.8541+130.1800/+30.8400+130.1988/+30.8400+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8394+130.2600/+30.8378+130.2800/+30.8220+130.3000/+30.8200+130.3020/+30.8000+130.3199/+30.7800+130.3196/+30.7605+130.3000/+30.7602+130.2800/+30.7603+130.2600/+30.7606+130.2400/+30.7612+130.2200/+30.7623+130.2000/+30.7643+130.1800/+30.7671+130.1600/+30.7725+130.1400/+30.7780+130.1200/+30.7800+130.1131/+30.7802+130.1000/+30.7808+130.0800/+30.7814+130.0600/+30.7824+130.0400/+30.7830+130.0200/+30.7842+130.0000/+30.7840+129.9800/+30.7852+129.9600/+30.7870+129.9400/+30.7903+129.9200/+30.7938+129.9000/+30.8000+129.8805/+30.8002+129.8800/+30.8036+129.8600/+30.8085+129.8400/+30.8118+129.8200/+30.8159+129.8000/+30.8200+129.7819/+30.8205+129.7800/+30.8272+129.7600/+30.8345+129.7400/+30.8400+129.7254/+30.8429+129.7200/+30.8541+129.7000/+30.8600+129.6817/+30.8606+129.6800/+30.8677+129.6600/+30.8772+129.6400/+30.8800+129.6354/+30.8902+129.6200/+30.9000+129.6071/+30.9200+129.6130/+30.9334+129.6200/+30.9400+129.6254/+30.9459+129.6400/ +30.9401+130.1600/+30.9400+130.1601/+30.9397+130.1600/+30.9400+130.1598/+30.9401+130.1600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8284+130.2800/+30.8200+130.2884/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7831+130.2800/+30.7926+130.2600/+30.8000+130.2475/+30.8178+130.2600/+30.8200+130.2618/+30.8284+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-10T12:00:00+09:00 2026-10-10T15:00:00+09:00 降灰 70 +31.0002+129.5600/+31.0068+129.5800/+31.0104+129.6000/+31.0077+129.6200/+31.0053+129.6400/+31.0011+129.6600/+31.0000+129.6635/+30.9924+129.6800/+30.9893+129.7000/+30.9848+129.7200/+30.9822+129.7400/+30.9800+129.7560/+30.9795+129.7600/+30.9761+129.7800/+30.9726+129.8000/+30.9600+129.8169/+30.9586+129.8200/+30.9540+129.8400/+30.9504+129.8600/+30.9467+129.8800/+30.9435+129.9000/+30.9400+129.9176/+30.9395+129.9200/+30.9289+129.9400/+30.9235+129.9600/+30.9200+129.9696/+30.9172+129.9800/+30.9089+130.0000/+30.9000+130.0070/+30.8966+130.0200/+30.8921+130.0400/+30.8800+130.0578/+30.8797+130.0600/+30.8783+130.0800/+30.8769+130.1000/+30.8714+130.1200/+30.8600+130.1343/+30.8597+130.1400/+30.8591+130.1600/+30.8582+130.1800/+30.8538+130.2000/+30.8400+130.2158/+30.8399+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8380+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7605+130.3000/+30.7603+130.2800/+30.7609+130.2600/+30.7670+130.2400/+30.7800+130.2262/+30.7801+130.2200/+30.7802+130.2000/+30.7805+130.1800/+30.7812+130.1600/+30.7826+130.1400/+30.7867+130.1200/+30.7975+130.1000/+30.8000+130.0963/+30.8008+130.0800/+30.8020+130.0600/+30.8040+130.0400/+30.8066+130.0200/+30.8125+130.0000/+30.8064+129.9800/+30.8109+129.9600/+30.8189+129.9400/+30.8200+129.9376/+30.8273+129.9200/+30.8372+129.9000/+30.8400+129.8906/+30.8415+129.8800/+30.8451+129.8600/+30.8500+129.8400/+30.8541+129.8200/+30.8600+129.8006/+30.8602+129.8000/+30.8680+129.7800/+30.8757+129.7600/+30.8800+129.7490/+30.8842+129.7400/+30.8941+129.7200/+30.9000+129.7113/+30.9093+129.7000/+30.9200+129.6814/+30.9209+129.6800/+30.9336+129.6600/+30.9400+129.6488/+30.9503+129.6400/+30.9600+129.6271/+30.9702+129.6200/+30.9800+129.6009/+30.9802+129.6000/+30.9912+129.5800/+30.9998+129.5600/+31.0000+129.5597/+31.0002+129.5600/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8255+130.2800/+30.8200+130.2855/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7834+130.2800/+30.7976+130.2600/+30.8000+130.2561/+30.8025+130.2600/+30.8200+130.2744/+30.8255+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-10-10T15:00:00+09:00 2026-10-10T18:00:00+09:00 降灰 70 +31.0091+129.5800/+31.0172+129.6000/+31.0159+129.6200/+31.0149+129.6400/+31.0121+129.6600/+31.0072+129.6800/+31.0023+129.7000/+31.0000+129.7053/+30.9938+129.7200/+30.9891+129.7400/+30.9857+129.7600/+30.9824+129.7800/+30.9800+129.7974/+30.9797+129.8000/+30.9741+129.8200/+30.9620+129.8400/+30.9600+129.8435/+30.9566+129.8600/+30.9533+129.8800/+30.9505+129.9000/+30.9474+129.9200/+30.9400+129.9308/+30.9354+129.9400/+30.9307+129.9600/+30.9238+129.9800/+30.9200+129.9916/+30.9180+130.0000/+30.9000+130.0153/+30.8988+130.0200/+30.8966+130.0400/+30.8920+130.0600/+30.8800+130.0799/+30.8800+130.0800/+30.8785+130.1000/+30.8757+130.1200/+30.8652+130.1400/+30.8600+130.1462/+30.8595+130.1600/+30.8588+130.1800/+30.8559+130.2000/+30.8400+130.2174/+30.8399+130.2200/+30.8399+130.2400/+30.8397+130.2600/+30.8377+130.2800/+30.8200+130.2991/+30.8200+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7604+130.3000/+30.7604+130.2800/+30.7662+130.2600/+30.7800+130.2462/+30.7801+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7817+130.1800/+30.7903+130.1600/+30.8000+130.1495/+30.8004+130.1400/+30.8009+130.1200/+30.8020+130.1000/+30.8057+130.0800/+30.8199+130.0600/+30.8200+130.0599/+30.8212+130.0400/+30.8227+130.0200/+30.8251+130.0000/+30.8209+129.9800/+30.8296+129.9600/+30.8400+129.9476/+30.8415+129.9400/+30.8448+129.9200/+30.8482+129.9000/+30.8508+129.8800/+30.8544+129.8600/+30.8600+129.8420/+30.8608+129.8400/+30.8694+129.8200/+30.8800+129.8068/+30.8835+129.8000/+30.8801+129.7800/+30.8902+129.7600/+30.9000+129.7452/+30.9037+129.7400/+30.9143+129.7200/+30.9200+129.7079/+30.9235+129.7000/+30.9300+129.6800/+30.9380+129.6600/+30.9400+129.6552/+30.9521+129.6400/+30.9600+129.6292/+30.9695+129.6200/+30.9800+129.6020/+30.9808+129.6000/+30.9926+129.5800/+31.0000+129.5682/+31.0091+129.5800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8154+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7846+130.2800/+30.8000+130.2606/+30.8154+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +30.9804+129.6400/+30.9883+129.6600/+30.9861+129.6800/+30.9852+129.7000/+30.9815+129.7200/+30.9800+129.7317/+30.9792+129.7400/+30.9773+129.7600/+30.9754+129.7800/+30.9736+129.8000/+30.9600+129.8197/+30.9599+129.8200/+30.9561+129.8400/+30.9532+129.8600/+30.9506+129.8800/+30.9478+129.9000/+30.9441+129.9200/+30.9400+129.9257/+30.9328+129.9400/+30.9288+129.9600/+30.9229+129.9800/+30.9200+129.9874/+30.9159+130.0000/+30.9000+130.0132/+30.8982+130.0200/+30.8959+130.0400/+30.8894+130.0600/+30.8800+130.0754/+30.8796+130.0800/+30.8782+130.1000/+30.8744+130.1200/+30.8627+130.1400/+30.8600+130.1428/+30.8595+130.1600/+30.8597+130.1800/+30.8600+130.1828/+30.8643+130.1800/+30.8800+130.1622/+30.8817+130.1600/+30.8976+130.1400/+30.9000+130.1369/+30.9200+130.1343/+30.9400+130.1282/+30.9600+130.1365/+30.9608+130.1400/+30.9600+130.1424/+30.9534+130.1600/+30.9545+130.1800/+30.9400+130.1913/+30.9306+130.2000/+30.9200+130.2079/+30.9092+130.2200/+30.9000+130.2276/+30.8849+130.2400/+30.8800+130.2442/+30.8600+130.2582/+30.8587+130.2600/+30.8400+130.2784/+30.8395+130.2800/+30.8246+130.3000/+30.8200+130.3046/+30.8108+130.3200/+30.8000+130.3308/+30.7800+130.3208/+30.7792+130.3200/+30.7603+130.3000/+30.7603+130.2800/+30.7642+130.2600/+30.7800+130.2441/+30.7801+130.2400/+30.7802+130.2200/+30.7804+130.2000/+30.7816+130.1800/+30.7871+130.1600/+30.8000+130.1447/+30.8003+130.1400/+30.8009+130.1200/+30.8018+130.1000/+30.8047+130.0800/+30.8155+130.0600/+30.8200+130.0535/+30.8211+130.0400/+30.8223+130.0200/+30.8258+130.0000/+30.8218+129.9800/+30.8290+129.9600/+30.8400+129.9440/+30.8408+129.9400/+30.8446+129.9200/+30.8483+129.9000/+30.8508+129.8800/+30.8547+129.8600/+30.8600+129.8435/+30.8615+129.8400/+30.8709+129.8200/+30.8800+129.8092/+30.8854+129.8000/+30.8828+129.7800/+30.8927+129.7600/+30.9000+129.7481/+30.9063+129.7400/+30.9168+129.7200/+30.9200+129.7127/+30.9250+129.7000/+30.9309+129.6800/+30.9376+129.6600/+30.9400+129.6539/+30.9540+129.6400/+30.9600+129.6342/+30.9800+129.6398/+30.9804+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8149+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7852+130.2800/+30.8000+130.2619/+30.8149+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 +31.0204+129.7000/+31.0204+129.7200/+31.0204+129.7400/+31.0200+129.7470/+31.0193+129.7600/+31.0170+129.7800/+31.0147+129.8000/+31.0036+129.8200/+31.0000+129.8238/+30.9937+129.8400/+30.9889+129.8600/+30.9842+129.8800/+30.9800+129.8966/+30.9790+129.9000/+30.9716+129.9200/+30.9600+129.9315/+30.9575+129.9400/+30.9538+129.9600/+30.9493+129.9800/+30.9400+129.9996/+30.9399+130.0000/+30.9352+130.0200/+30.9200+130.0349/+30.9171+130.0400/+30.9089+130.0600/+30.9000+130.0727/+30.8991+130.0800/+30.8957+130.1000/+30.8865+130.1200/+30.8800+130.1281/+30.8790+130.1400/+30.8765+130.1600/+30.8600+130.1800/+30.8595+130.2000/+30.8582+130.2200/+30.8400+130.2399/+30.8400+130.2400/+30.8400+130.2412/+30.8600+130.2549/+30.8645+130.2600/+30.8600+130.2647/+30.8452+130.2800/+30.8400+130.2839/+30.8280+130.3000/+30.8200+130.3071/+30.8046+130.3200/+30.8000+130.3246/+30.7926+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7607+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7846+130.2000/+30.8000+130.1837/+30.8003+130.1800/+30.8009+130.1600/+30.8032+130.1400/+30.8117+130.1200/+30.8200+130.1103/+30.8210+130.1000/+30.8228+130.0800/+30.8297+130.0600/+30.8400+130.0441/+30.8406+130.0400/+30.8429+130.0200/+30.8443+130.0000/+30.8479+129.9800/+30.8529+129.9600/+30.8600+129.9445/+30.8616+129.9400/+30.8696+129.9200/+30.8773+129.9000/+30.8800+129.8956/+30.8864+129.8800/+30.8913+129.8600/+30.8998+129.8400/+30.9000+129.8392/+30.9085+129.8200/+30.9197+129.8000/+30.9200+129.7992/+30.9261+129.7800/+30.9346+129.7600/+30.9400+129.7490/+30.9483+129.7400/+30.9600+129.7265/+30.9673+129.7200/+30.9800+129.7029/+30.9815+129.7000/+30.9921+129.6800/+31.0000+129.6652/+31.0130+129.6800/+31.0200+129.6983/+31.0204+129.7000/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8128+130.2800/+30.8189+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7874+130.2800/+30.8000+130.2641/+30.8128+130.2800/ 北西 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、１０日０９時から１２時までは火口から西方向、１０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。 　１０日６時から１０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 　１０日０６時から０９時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日０９時から１２時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　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。