2026-07-11T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-11T11:00:00+09:00 2026-07-11T12:00:00+09:00 2026-07-12T06:00:00+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、１１日２１時から２４時までは火口から北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 2026-07-11T12:00:00+09:00 2026-07-11T15:00:00+09:00 降灰 70 +31.2082+129.6600/+31.2091+129.6800/+31.2094+129.7000/+31.2000+129.7158/+31.1959+129.7200/+31.1857+129.7400/+31.1800+129.7534/+31.1777+129.7600/+31.1679+129.7800/+31.1600+129.7974/+31.1587+129.8000/+31.1441+129.8200/+31.1400+129.8255/+31.1325+129.8400/+31.1234+129.8600/+31.1200+129.8658/+31.1091+129.8800/+31.1000+129.8887/+31.0945+129.9000/+31.0809+129.9200/+31.0800+129.9210/+31.0724+129.9400/+31.0620+129.9600/+31.0600+129.9645/+31.0492+129.9800/+31.0400+129.9873/+31.0311+130.0000/+31.0200+130.0124/+31.0166+130.0200/+31.0080+130.0400/+31.0000+130.0532/+30.9970+130.0600/+30.9800+130.0737/+30.9736+130.0800/+30.9600+130.0965/+30.9587+130.1000/+30.9470+130.1200/+30.9400+130.1275/+30.9361+130.1400/+30.9200+130.1580/+30.9193+130.1600/+30.9115+130.1800/+30.9000+130.1917/+30.8982+130.2000/+30.8800+130.2191/+30.8798+130.2200/+30.8758+130.2400/+30.8600+130.2559/+30.8596+130.2600/+30.8502+130.2800/+30.8400+130.2902/+30.8393+130.3000/+30.8200+130.3193/+30.8000+130.3199/+30.7800+130.3166/+30.7634+130.3000/+30.7800+130.2808/+30.7800+130.2800/+30.7802+130.2600/+30.7837+130.2400/+30.8000+130.2237/+30.8004+130.2200/+30.8032+130.2000/+30.8200+130.1823/+30.8205+130.1800/+30.8232+130.1600/+30.8400+130.1402/+30.8401+130.1400/+30.8433+130.1200/+30.8557+130.1000/+30.8600+130.0948/+30.8637+130.0800/+30.8699+130.0600/+30.8800+130.0461/+30.8825+130.0400/+30.8905+130.0200/+30.8993+130.0000/+30.9000+129.9993/+30.9104+129.9800/+30.9200+129.9608/+30.9204+129.9600/+30.9309+129.9400/+30.9400+129.9206/+30.9403+129.9200/+30.9538+129.9000/+30.9600+129.8947/+30.9718+129.8800/+30.9800+129.8636/+30.9824+129.8600/+31.0000+129.8416/+31.0016+129.8400/+31.0127+129.8200/+31.0200+129.8114/+31.0307+129.8000/+31.0400+129.7874/+31.0473+129.7800/+31.0600+129.7681/+31.0677+129.7600/+31.0800+129.7438/+31.0829+129.7400/+31.1000+129.7207/+31.1011+129.7200/+31.1200+129.7043/+31.1238+129.7000/+31.1400+129.6833/+31.1467+129.6800/+31.1600+129.6725/+31.1800+129.6658/+31.1878+129.6600/+31.2000+129.6485/+31.2082+129.6600/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8249+130.2600/+30.8330+130.2800/+30.8331+130.3000/+30.8200+130.3131/+30.8000+130.3188/+30.7812+130.3000/+30.7840+130.2800/+30.8000+130.2618/+30.8161+130.2600/+30.8200+130.2568/+30.8249+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-07-11T15:00:00+09:00 2026-07-11T18:00:00+09:00 降灰 70 +31.1667+129.7000/+31.1652+129.7200/+31.1644+129.7400/+31.1600+129.7549/+31.1582+129.7600/+31.1457+129.7800/+31.1400+129.7912/+31.1370+129.8000/+31.1270+129.8200/+31.1200+129.8335/+31.1166+129.8400/+31.1041+129.8600/+31.1000+129.8647/+31.0922+129.8800/+31.0848+129.9000/+31.0800+129.9052/+31.0698+129.9200/+31.0618+129.9400/+31.0600+129.9433/+31.0470+129.9600/+31.0400+129.9680/+31.0345+129.9800/+31.0200+129.9981/+31.0193+130.0000/+31.0133+130.0200/+31.0026+130.0400/+31.0000+130.0443/+30.9946+130.0600/+30.9800+130.0720/+30.9716+130.0800/+30.9600+130.0942/+30.9578+130.1000/+30.9404+130.1200/+30.9400+130.1204/+30.9352+130.1400/+30.9200+130.1571/+30.9192+130.1600/+30.9111+130.1800/+30.9000+130.1913/+30.8982+130.2000/+30.8800+130.2192/+30.8798+130.2200/+30.8763+130.2400/+30.8600+130.2566/+30.8596+130.2600/+30.8521+130.2800/+30.8400+130.2920/+30.8394+130.3000/+30.8200+130.3194/+30.8000+130.3199/+30.7800+130.3173/+30.7628+130.3000/+30.7800+130.2804/+30.7800+130.2800/+30.7802+130.2600/+30.7825+130.2400/+30.8000+130.2223/+30.8003+130.2200/+30.8023+130.2000/+30.8200+130.1808/+30.8202+130.1800/+30.8224+130.1600/+30.8315+130.1400/+30.8400+130.1306/+30.8425+130.1200/+30.8490+130.1000/+30.8600+130.0853/+30.8616+130.0800/+30.8668+130.0600/+30.8800+130.0421/+30.8811+130.0400/+30.8871+130.0200/+30.8916+130.0000/+30.9000+129.9897/+30.9044+129.9800/+30.9136+129.9600/+30.9200+129.9493/+30.9265+129.9400/+30.9380+129.9200/+30.9400+129.9156/+30.9496+129.9000/+30.9600+129.8895/+30.9660+129.8800/+30.9754+129.8600/+30.9800+129.8533/+30.9939+129.8400/+31.0000+129.8271/+31.0035+129.8200/+31.0191+129.8000/+31.0200+129.7983/+31.0313+129.7800/+31.0400+129.7689/+31.0491+129.7600/+31.0600+129.7475/+31.0662+129.7400/+31.0800+129.7230/+31.0827+129.7200/+31.1000+129.7023/+31.1095+129.7000/+31.1200+129.6963/+31.1400+129.6849/+31.1600+129.6841/+31.1667+129.7000/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8316+130.2800/+30.8328+130.3000/+30.8200+130.3128/+30.8000+130.3188/+30.7812+130.3000/+30.7842+130.2800/+30.8000+130.2619/+30.8200+130.2606/+30.8316+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-07-11T18:00:00+09:00 2026-07-11T21:00:00+09:00 降灰 70 +31.2108+129.6600/+31.2143+129.6800/+31.2155+129.7000/+31.2037+129.7200/+31.2000+129.7263/+31.1894+129.7400/+31.1800+129.7572/+31.1790+129.7600/+31.1668+129.7800/+31.1600+129.7939/+31.1567+129.8000/+31.1418+129.8200/+31.1400+129.8226/+31.1323+129.8400/+31.1245+129.8600/+31.1200+129.8679/+31.1113+129.8800/+31.1000+129.8917/+31.0961+129.9000/+31.0835+129.9200/+31.0800+129.9242/+31.0738+129.9400/+31.0649+129.9600/+31.0600+129.9710/+31.0535+129.9800/+31.0400+129.9901/+31.0331+130.0000/+31.0200+130.0161/+31.0184+130.0200/+31.0098+130.0400/+31.0000+130.0570/+30.9987+130.0600/+30.9800+130.0752/+30.9764+130.0800/+30.9600+130.0977/+30.9591+130.1000/+30.9529+130.1200/+30.9400+130.1333/+30.9375+130.1400/+30.9200+130.1589/+30.9196+130.1600/+30.9140+130.1800/+30.9000+130.1941/+30.8987+130.2000/+30.8800+130.2198/+30.8800+130.2200/+30.8773+130.2400/+30.8600+130.2574/+30.8597+130.2600/+30.8548+130.2800/+30.8400+130.2948/+30.8395+130.3000/+30.8200+130.3195/+30.8000+130.3199/+30.7800+130.3169/+30.7632+130.3000/+30.7800+130.2809/+30.7800+130.2800/+30.7802+130.2600/+30.7837+130.2400/+30.8000+130.2236/+30.8004+130.2200/+30.8034+130.2000/+30.8200+130.1828/+30.8206+130.1800/+30.8240+130.1600/+30.8400+130.1420/+30.8406+130.1400/+30.8449+130.1200/+30.8600+130.1015/+30.8606+130.1000/+30.8650+130.0800/+30.8800+130.0607/+30.8804+130.0600/+30.8869+130.0400/+30.9000+130.0213/+30.9006+130.0200/+30.9035+130.0000/+30.9145+129.9800/+30.9200+129.9695/+30.9251+129.9600/+30.9391+129.9400/+30.9400+129.9379/+30.9494+129.9200/+30.9600+129.9055/+30.9631+129.9000/+30.9800+129.8805/+30.9806+129.8800/+30.9956+129.8600/+31.0000+129.8559/+31.0119+129.8400/+31.0200+129.8246/+31.0235+129.8200/+31.0400+129.8024/+31.0433+129.8000/+31.0600+129.7809/+31.0609+129.7800/+31.0800+129.7610/+31.0810+129.7600/+31.0982+129.7400/+31.1000+129.7377/+31.1200+129.7217/+31.1223+129.7200/+31.1400+129.7066/+31.1516+129.7000/+31.1600+129.6940/+31.1785+129.6800/+31.1800+129.6785/+31.1939+129.6600/+31.2000+129.6523/+31.2108+129.6600/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8359+130.2800/+30.8321+130.3000/+30.8200+130.3121/+30.8000+130.3188/+30.7812+130.3000/+30.7848+130.2800/+30.8000+130.2627/+30.8200+130.2609/+30.8359+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-07-11T21:00:00+09:00 2026-07-12T00:00:00+09:00 降灰 70 +31.2493+129.7000/+31.2400+129.7071/+31.2331+129.7000/+31.2400+129.6972/+31.2493+129.7000/ +31.2264+129.7200/+31.2288+129.7400/+31.2223+129.7600/+31.2200+129.7639/+31.2117+129.7800/+31.2036+129.8000/+31.2000+129.8046/+31.1875+129.8200/+31.1800+129.8361/+31.1787+129.8400/+31.1701+129.8600/+31.1600+129.8741/+31.1555+129.8800/+31.1422+129.9000/+31.1400+129.9033/+31.1312+129.9200/+31.1200+129.9369/+31.1181+129.9400/+31.1020+129.9600/+31.1000+129.9639/+31.0869+129.9800/+31.0800+129.9851/+31.0714+130.0000/+31.0621+130.0200/+31.0600+130.0220/+31.0406+130.0400/+31.0400+130.0409/+31.0268+130.0600/+31.0200+130.0665/+31.0145+130.0800/+31.0000+130.0982/+30.9979+130.1000/+30.9800+130.1123/+30.9754+130.1200/+30.9600+130.1369/+30.9582+130.1400/+30.9400+130.1599/+30.9399+130.1600/+30.9299+130.1800/+30.9200+130.1901/+30.9161+130.2000/+30.9000+130.2163/+30.8984+130.2200/+30.8800+130.2390/+30.8797+130.2400/+30.8689+130.2600/+30.8600+130.2689/+30.8583+130.2800/+30.8400+130.2984/+30.8397+130.3000/+30.8200+130.3197/+30.8000+130.3200/+30.7800+130.3163/+30.7639+130.3000/+30.7800+130.2827/+30.7801+130.2800/+30.7805+130.2600/+30.8000+130.2402/+30.8001+130.2400/+30.8012+130.2200/+30.8200+130.2005/+30.8202+130.2000/+30.8234+130.1800/+30.8400+130.1622/+30.8408+130.1600/+30.8461+130.1400/+30.8600+130.1249/+30.8620+130.1200/+30.8698+130.1000/+30.8800+130.0873/+30.8827+130.0800/+30.8950+130.0600/+30.9000+130.0532/+30.9055+130.0400/+30.9105+130.0200/+30.9200+130.0035/+30.9228+130.0000/+30.9395+129.9800/+30.9400+129.9791/+30.9517+129.9600/+30.9600+129.9501/+30.9665+129.9400/+30.9800+129.9201/+30.9801+129.9200/+30.9951+129.9000/+31.0000+129.8957/+31.0156+129.8800/+31.0200+129.8725/+31.0282+129.8600/+31.0400+129.8464/+31.0478+129.8400/+31.0600+129.8282/+31.0685+129.8200/+31.0800+129.8100/+31.0929+129.8000/+31.1000+129.7925/+31.1168+129.7800/+31.1200+129.7774/+31.1400+129.7602/+31.1404+129.7600/+31.1600+129.7443/+31.1655+129.7400/+31.1800+129.7289/+31.1906+129.7200/+31.2000+129.7116/+31.2200+129.7138/+31.2264+129.7200/ 北西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8368+130.2800/+30.8339+130.3000/+30.8200+130.3139/+30.8000+130.3188/+30.7812+130.3000/+30.7850+130.2800/+30.8000+130.2638/+30.8200+130.2619/+30.8368+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-07-12T00:00:00+09:00 2026-07-12T03:00:00+09:00 降灰 70 +31.3098+129.8400/+31.3022+129.8600/+31.3000+129.8621/+31.2800+129.8771/+31.2786+129.8800/+31.2738+129.9000/+31.2600+129.9132/+31.2512+129.9200/+31.2400+129.9304/+31.2336+129.9400/+31.2224+129.9600/+31.2200+129.9631/+31.2022+129.9800/+31.2000+129.9816/+31.1862+130.0000/+31.1800+130.0097/+31.1672+130.0200/+31.1600+130.0232/+31.1443+130.0400/+31.1400+130.0464/+31.1242+130.0600/+31.1200+130.0623/+31.1033+130.0800/+31.1000+130.0832/+31.0800+130.0953/+31.0764+130.1000/+31.0619+130.1200/+31.0600+130.1220/+31.0431+130.1400/+31.0400+130.1426/+31.0200+130.1474/+31.0030+130.1600/+31.0000+130.1629/+30.9800+130.1800/+30.9600+130.1985/+30.9586+130.2000/+30.9400+130.2178/+30.9374+130.2200/+30.9200+130.2368/+30.9160+130.2400/+30.9000+130.2555/+30.8941+130.2600/+30.8800+130.2741/+30.8715+130.2800/+30.8600+130.2915/+30.8517+130.3000/+30.8400+130.3117/+30.8200+130.3199/+30.8170+130.3200/+30.8000+130.3366/+30.7821+130.3200/+30.7800+130.3173/+30.7643+130.3000/+30.7800+130.2841/+30.7801+130.2800/+30.7864+130.2600/+30.8000+130.2464/+30.8018+130.2400/+30.8200+130.2218/+30.8212+130.2200/+30.8400+130.2006/+30.8405+130.2000/+30.8538+130.1800/+30.8600+130.1736/+30.8671+130.1600/+30.8800+130.1461/+30.8848+130.1400/+30.9000+130.1239/+30.9035+130.1200/+30.9200+130.1009/+30.9208+130.1000/+30.9344+130.0800/+30.9400+130.0737/+30.9553+130.0600/+30.9600+130.0536/+30.9688+130.0400/+30.9800+130.0242/+30.9848+130.0200/+31.0000+130.0075/+31.0136+130.0000/+31.0200+129.9951/+31.0362+129.9800/+31.0400+129.9764/+31.0588+129.9600/+31.0600+129.9581/+31.0753+129.9400/+31.0800+129.9362/+31.1000+129.9210/+31.1015+129.9200/+31.1200+129.9099/+31.1396+129.9000/+31.1400+129.8997/+31.1600+129.8856/+31.1703+129.8800/+31.1800+129.8749/+31.2000+129.8650/+31.2176+129.8600/+31.2200+129.8590/+31.2400+129.8490/+31.2599+129.8400/+31.2600+129.8400/+31.2800+129.8351/+31.3000+129.8262/+31.3098+129.8400/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8356+130.2800/+30.8325+130.3000/+30.8200+130.3125/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2662/+30.8200+130.2658/+30.8356+130.2800/ 北西 4 鹿児島県三島村 4630300 2026-07-12T03:00:00+09:00 2026-07-12T06:00:00+09:00 降灰 70 +31.2835+129.9800/+31.2899+130.0000/+31.2800+130.0063/+31.2600+130.0199/+31.2599+130.0200/+31.2404+130.0400/+31.2400+130.0404/+31.2265+130.0600/+31.2200+130.0655/+31.2000+130.0780/+31.1982+130.0800/+31.1800+130.0974/+31.1762+130.1000/+31.1600+130.1084/+31.1466+130.1200/+31.1400+130.1283/+31.1200+130.1387/+31.1186+130.1400/+31.1000+130.1519/+31.0804+130.1600/+31.0800+130.1603/+31.0606+130.1800/+31.0600+130.1805/+31.0400+130.1847/+31.0200+130.1978/+31.0167+130.2000/+31.0000+130.2135/+30.9825+130.2200/+30.9800+130.2224/+30.9600+130.2371/+30.9536+130.2400/+30.9400+130.2527/+30.9200+130.2594/+30.9188+130.2600/+30.9000+130.2776/+30.8912+130.2800/+30.8800+130.2911/+30.8600+130.2996/+30.8592+130.3000/+30.8400+130.3190/+30.8369+130.3200/+30.8200+130.3369/+30.8000+130.3395/+30.7800+130.3319/+30.7680+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.7802+130.2800/+30.8000+130.2602/+30.8004+130.2600/+30.8200+130.2404/+30.8212+130.2400/+30.8400+130.2212/+30.8427+130.2200/+30.8600+130.2027/+30.8655+130.2000/+30.8800+130.1855/+30.8880+130.1800/+30.9000+130.1681/+30.9162+130.1600/+30.9200+130.1561/+30.9369+130.1400/+30.9400+130.1370/+30.9600+130.1217/+30.9640+130.1200/+30.9800+130.1064/+30.9892+130.1000/+31.0000+130.0862/+31.0094+130.0800/+31.0200+130.0726/+31.0400+130.0610/+31.0425+130.0600/+31.0600+130.0515/+31.0800+130.0425/+31.0846+130.0400/+31.1000+130.0251/+31.1074+130.0200/+31.1200+130.0133/+31.1400+130.0063/+31.1561+130.0000/+31.1600+129.9969/+31.1800+129.9860/+31.1927+129.9800/+31.2000+129.9768/+31.2200+129.9743/+31.2400+129.9705/+31.2600+129.9690/+31.2800+129.9761/+31.2835+129.9800/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8242+130.2800/+30.8366+130.3000/+30.8200+130.3150/+30.8000+130.3188/+30.7812+130.3000/+30.8000+130.2804/+30.8143+130.2800/+30.8200+130.2774/+30.8242+130.2800/ 北西 4 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、１１日２１時から２４時までは火口から北西方向に降灰が予想されます。 　１１日１２時から１２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 　１１日１２時から１５時まで　北西　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　１１日１５時から１８時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１１日１８時から２１時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１１日２１時から２４時まで　北西　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１２日００時から０３時まで　北西　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　１２日０３時から０６時まで　北西　　　　　　６０ｋｍ　　４ｋｍ　　　　　 　 　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。