2026-08-06T08:00:00Z 通常 気象庁本庁 気象庁 2026-08-06T17:00:00+09:00 2026-08-06T18:00:00+09:00 2026-08-07T12:00:00+09:00 509 発表 1 降灰予報 1.1_0 　現在、口永良部島は噴火警戒レベル２（火口周辺規制）です。口永良部島で噴火が発生した場合には、６日２１時から２４時までは火口から南西方向、７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 口永良部島 509 降灰 70 鹿児島県屋久島町 4650500 小さな噴石の落下 75 鹿児島県屋久島町 4650500 降灰予報（定時） 06 口永良部島 509 +3026.60+13013.03+657/ 降灰 70 鹿児島県屋久島町 4650500 小さな噴石の落下 75 鹿児島県屋久島町 4650500 2026-08-06T18:00:00+09:00 2026-08-06T21:00:00+09:00 降灰 70 +30.4529+130.1600/+30.4597+130.1800/+30.4599+130.2000/+30.4600+130.2200/+30.4400+130.2391/+30.4200+130.2323/+30.4077+130.2200/+30.4002+130.2000/+30.4000+130.1989/+30.3811+130.1800/+30.3801+130.1600/+30.3800+130.1597/+30.3605+130.1400/+30.3600+130.1340/+30.3460+130.1200/+30.3404+130.1000/+30.3400+130.0979/+30.3223+130.0800/+30.3201+130.0600/+30.3200+130.0596/+30.3014+130.0400/+30.3000+130.0325/+30.2876+130.0200/+30.2807+130.0000/+30.2800+129.9977/+30.2600+129.9903/+30.2497+129.9800/+30.2422+129.9600/+30.2400+129.9516/+30.2251+129.9400/+30.2200+129.9335/+30.2116+129.9200/+30.2014+129.9000/+30.2000+129.8943/+30.1862+129.8800/+30.1800+129.8760/+30.1696+129.8600/+30.1652+129.8400/+30.1600+129.8262/+30.1468+129.8200/+30.1400+129.8131/+30.1302+129.8000/+30.1200+129.7880/+30.1158+129.7800/+30.1094+129.7600/+30.1037+129.7400/+30.1000+129.7320/+30.0849+129.7200/+30.0800+129.7137/+30.0728+129.7000/+30.0636+129.6800/+30.0600+129.6706/+30.0543+129.6600/+30.0436+129.6400/+30.0400+129.6348/+30.0288+129.6200/+30.0200+129.6001/+30.0200+129.6000/+30.0128+129.5800/+30.0036+129.5600/+30.0000+129.5532/+29.9900+129.5400/+29.9800+129.5223/+29.9789+129.5200/+29.9707+129.5000/+29.9615+129.4800/+29.9600+129.4777/+29.9446+129.4600/+29.9400+129.4537/+29.9320+129.4400/+29.9230+129.4200/+29.9200+129.4138/+29.9132+129.4000/+29.9073+129.3800/+29.9000+129.3711/+29.8940+129.3600/+29.8881+129.3400/+29.8851+129.3200/+29.8800+129.3048/+29.8771+129.3000/+29.8800+129.2962/+29.9000+129.2896/+29.9075+129.3000/+29.9137+129.3200/+29.9200+129.3296/+29.9348+129.3400/+29.9400+129.3424/+29.9600+129.3590/+29.9606+129.3600/+29.9723+129.3800/+29.9800+129.3942/+29.9830+129.4000/+30.0000+129.4153/+30.0060+129.4200/+30.0200+129.4356/+30.0229+129.4400/+30.0326+129.4600/+30.0400+129.4725/+30.0463+129.4800/+30.0600+129.4963/+30.0623+129.5000/+30.0772+129.5200/+30.0800+129.5245/+30.0883+129.5400/+30.1000+129.5557/+30.1051+129.5600/+30.1200+129.5738/+30.1242+129.5800/+30.1329+129.6000/+30.1400+129.6124/+30.1469+129.6200/+30.1600+129.6369/+30.1626+129.6400/+30.1774+129.6600/+30.1800+129.6643/+30.1870+129.6800/+30.1925+129.7000/+30.2000+129.7097/+30.2180+129.7200/+30.2200+129.7219/+30.2314+129.7400/+30.2324+129.7600/+30.2400+129.7797/+30.2405+129.7800/+30.2588+129.8000/+30.2600+129.8007/+30.2729+129.8200/+30.2767+129.8400/+30.2800+129.8499/+30.2874+129.8600/+30.2971+129.8800/+30.3000+129.8878/+30.3157+129.9000/+30.3200+129.9055/+30.3289+129.9200/+30.3200+129.9350/+30.3196+129.9400/+30.3200+129.9409/+30.3372+129.9600/+30.3400+129.9725/+30.3474+129.9800/+30.3587+130.0000/+30.3600+130.0053/+30.3743+130.0200/+30.3795+130.0400/+30.3800+130.0418/+30.3974+130.0600/+30.3998+130.0800/+30.4000+130.0806/+30.4187+130.1000/+30.4200+130.1200/+30.4395+130.1400/+30.4400+130.1471/+30.4529+130.1600/ +29.8646+129.2600/+29.8600+129.2733/+29.8400+129.2629/+29.8383+129.2600/+29.8367+129.2400/+29.8400+129.2352/+29.8535+129.2400/+29.8600+129.2447/+29.8646+129.2600/ 南西 120 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4565+130.1800/+30.4588+130.2000/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4200+130.2161/+30.4039+130.2000/+30.4041+130.1800/+30.4003+130.1600/+30.4129+130.1400/+30.4200+130.1392/+30.4208+130.1400/+30.4304+130.1600/+30.4400+130.1635/+30.4565+130.1800/ 南西 8 鹿児島県屋久島町 4650500 2026-08-06T21:00:00+09:00 2026-08-07T00:00:00+09:00 降灰 70 +30.4717+130.2200/+30.4600+130.2317/+30.4400+130.2393/+30.4200+130.2226/+30.4174+130.2200/+30.4004+130.2000/+30.4000+130.1811/+30.3988+130.1800/+30.3804+130.1600/+30.3800+130.1414/+30.3786+130.1400/+30.3606+130.1200/+30.3600+130.1000/+30.3600+130.0998/+30.3411+130.0800/+30.3400+130.0600/+30.3400+130.0599/+30.3215+130.0400/+30.3200+130.0212/+30.3188+130.0200/+30.3019+130.0000/+30.3000+129.9852/+30.2949+129.9800/+30.2800+129.9752/+30.2640+129.9600/+30.2600+129.9430/+30.2575+129.9400/+30.2471+129.9200/+30.2421+129.9000/+30.2400+129.8920/+30.2200+129.8850/+30.2156+129.8800/+30.2076+129.8600/+30.2043+129.8400/+30.2000+129.8252/+30.1923+129.8200/+30.1800+129.8034/+30.1772+129.8000/+30.1627+129.7800/+30.1600+129.7698/+30.1561+129.7600/+30.1480+129.7400/+30.1400+129.7250/+30.1357+129.7200/+30.1247+129.7000/+30.1200+129.6884/+30.1169+129.6800/+30.1106+129.6600/+30.1040+129.6400/+30.1000+129.6320/+30.0891+129.6200/+30.0800+129.6046/+30.0779+129.6000/+30.0708+129.5800/+30.0629+129.5600/+30.0600+129.5524/+30.0532+129.5400/+30.0407+129.5200/+30.0400+129.5191/+30.0301+129.5000/+30.0239+129.4800/+30.0200+129.4701/+30.0151+129.4600/+30.0072+129.4400/+30.0000+129.4202/+29.9999+129.4200/+29.9940+129.4000/+29.9904+129.3800/+29.9852+129.3600/+29.9841+129.3400/+29.9962+129.3200/+30.0000+129.3170/+30.0015+129.3200/+30.0143+129.3400/+30.0200+129.3500/+30.0288+129.3600/+30.0400+129.3691/+30.0490+129.3800/+30.0600+129.3907/+30.0649+129.4000/+30.0770+129.4200/+30.0800+129.4244/+30.0919+129.4400/+30.1000+129.4480/+30.1091+129.4600/+30.1200+129.4769/+30.1216+129.4800/+30.1306+129.5000/+30.1400+129.5185/+30.1411+129.5200/+30.1546+129.5400/+30.1600+129.5458/+30.1707+129.5600/+30.1800+129.5735/+30.1834+129.5800/+30.1912+129.6000/+30.2000+129.6138/+30.2082+129.6200/+30.2200+129.6340/+30.2235+129.6400/+30.2350+129.6600/+30.2400+129.6697/+30.2471+129.6800/+30.2561+129.7000/+30.2600+129.7043/+30.2770+129.7200/+30.2742+129.7400/+30.2779+129.7600/+30.2800+129.7641/+30.2995+129.7800/+30.3000+129.7808/+30.3071+129.8000/+30.3151+129.8200/+30.3200+129.8387/+30.3209+129.8400/+30.3311+129.8600/+30.3393+129.8800/+30.3400+129.8814/+30.3529+129.9000/+30.3568+129.9200/+30.3574+129.9400/+30.3600+129.9511/+30.3693+129.9600/+30.3777+129.9800/+30.3800+129.9958/+30.3849+130.0000/+30.3986+130.0200/+30.4000+130.0389/+30.4007+130.0400/+30.4193+130.0600/+30.4200+130.0728/+30.4216+130.0800/+30.4344+130.1000/+30.4396+130.1200/+30.4400+130.1271/+30.4507+130.1400/+30.4592+130.1600/+30.4598+130.1800/+30.4599+130.2000/+30.4600+130.2049/+30.4717+130.2200/ 南西 100 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4452+130.1400/+30.4524+130.1600/+30.4569+130.1800/+30.4588+130.2000/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4200+130.2108/+30.4092+130.2000/+30.4054+130.1800/+30.4070+130.1600/+30.4104+130.1400/+30.4200+130.1308/+30.4400+130.1347/+30.4452+130.1400/ 西 8 鹿児島県屋久島町 4650500 2026-08-07T00:00:00+09:00 2026-08-07T03:00:00+09:00 降灰 70 +30.4713+130.2000/+30.4774+130.2200/+30.4600+130.2374/+30.4400+130.2396/+30.4202+130.2200/+30.4200+130.2196/+30.4006+130.2000/+30.4001+130.1800/+30.4000+130.1778/+30.3822+130.1600/+30.3803+130.1400/+30.3800+130.1286/+30.3714+130.1200/+30.3610+130.1000/+30.3602+130.0800/+30.3600+130.0777/+30.3434+130.0600/+30.3408+130.0400/+30.3400+130.0332/+30.3277+130.0200/+30.3219+130.0000/+30.3200+129.9878/+30.3126+129.9800/+30.3030+129.9600/+30.3000+129.9526/+30.2817+129.9400/+30.2800+129.9364/+30.2718+129.9200/+30.2650+129.9000/+30.2605+129.8800/+30.2600+129.8779/+30.2500+129.8600/+30.2430+129.8400/+30.2400+129.8283/+30.2302+129.8200/+30.2200+129.8030/+30.2188+129.8000/+30.2123+129.7800/+30.2062+129.7600/+30.2020+129.7400/+30.2000+129.7333/+30.1891+129.7200/+30.1800+129.7023/+30.1791+129.7000/+30.1716+129.6800/+30.1659+129.6600/+30.1613+129.6400/+30.1600+129.6346/+30.1541+129.6200/+30.1458+129.6000/+30.1400+129.5857/+30.1373+129.5800/+30.1294+129.5600/+30.1233+129.5400/+30.1200+129.5282/+30.1176+129.5200/+30.1111+129.5000/+30.1056+129.4800/+30.1000+129.4673/+30.0966+129.4600/+30.0891+129.4400/+30.0833+129.4200/+30.0800+129.4083/+30.0777+129.4000/+30.0779+129.3800/+30.0781+129.3600/+30.0795+129.3400/+30.0800+129.3368/+30.0855+129.3200/+30.1000+129.3083/+30.1044+129.3200/+30.1126+129.3400/+30.1200+129.3567/+30.1217+129.3600/+30.1351+129.3800/+30.1400+129.3852/+30.1515+129.4000/+30.1600+129.4099/+30.1655+129.4200/+30.1753+129.4400/+30.1800+129.4505/+30.1844+129.4600/+30.1964+129.4800/+30.2000+129.4850/+30.2091+129.5000/+30.2200+129.5157/+30.2224+129.5200/+30.2315+129.5400/+30.2395+129.5600/+30.2400+129.5611/+30.2525+129.5800/+30.2600+129.5934/+30.2639+129.6000/+30.2777+129.6200/+30.2800+129.6252/+30.2849+129.6400/+30.2912+129.6600/+30.2980+129.6800/+30.3000+129.6866/+30.3160+129.7000/+30.3129+129.7200/+30.3193+129.7400/+30.3200+129.7429/+30.3371+129.7600/+30.3400+129.7624/+30.3494+129.7800/+30.3530+129.8000/+30.3532+129.8200/+30.3572+129.8400/+30.3597+129.8600/+30.3600+129.8611/+30.3800+129.8780/+30.3814+129.8800/+30.3926+129.9000/+30.3800+129.9132/+30.3786+129.9200/+30.3800+129.9292/+30.3941+129.9400/+30.3970+129.9600/+30.3995+129.9800/+30.4000+129.9837/+30.4200+129.9923/+30.4234+130.0000/+30.4287+130.0200/+30.4377+130.0400/+30.4400+130.0431/+30.4456+130.0600/+30.4493+130.0800/+30.4524+130.1000/+30.4556+130.1200/+30.4589+130.1400/+30.4598+130.1600/+30.4599+130.1800/+30.4600+130.1874/+30.4713+130.2000/ 南西 90 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4458+130.1400/+30.4530+130.1600/+30.4575+130.1800/+30.4588+130.2000/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4212+130.2000/+30.4200+130.1941/+30.4059+130.1800/+30.4096+130.1600/+30.4136+130.1400/+30.4200+130.1273/+30.4400+130.1252/+30.4458+130.1400/ 西 8 鹿児島県屋久島町 4650500 2026-08-07T03:00:00+09:00 2026-08-07T06:00:00+09:00 降灰 70 +30.4613+129.9400/+30.4600+129.9426/+30.4560+129.9400/+30.4600+129.9303/+30.4613+129.9400/ +30.4620+130.0200/+30.4650+130.0400/+30.4613+130.0600/+30.4657+130.0800/+30.4659+130.1000/+30.4641+130.1200/+30.4648+130.1400/+30.4684+130.1600/+30.4715+130.1800/+30.4762+130.2000/+30.4772+130.2200/+30.4600+130.2372/+30.4400+130.2395/+30.4205+130.2200/+30.4200+130.2180/+30.4021+130.2000/+30.4003+130.1800/+30.4001+130.1600/+30.4000+130.1471/+30.3929+130.1400/+30.3813+130.1200/+30.3804+130.1000/+30.3801+130.0800/+30.3800+130.0755/+30.3670+130.0600/+30.3621+130.0400/+30.3608+130.0200/+30.3600+130.0055/+30.3554+130.0000/+30.3457+129.9800/+30.3427+129.9600/+30.3404+129.9400/+30.3400+129.9391/+30.3215+129.9200/+30.3200+129.9077/+30.3161+129.9000/+30.3100+129.8800/+30.3066+129.8600/+30.3035+129.8400/+30.3000+129.8334/+30.2879+129.8200/+30.2858+129.8000/+30.2837+129.7800/+30.2818+129.7600/+30.2800+129.7469/+30.2720+129.7400/+30.2606+129.7200/+30.2600+129.7140/+30.2575+129.7000/+30.2540+129.6800/+30.2503+129.6600/+30.2455+129.6400/+30.2400+129.6229/+30.2386+129.6200/+30.2310+129.6000/+30.2269+129.5800/+30.2232+129.5600/+30.2205+129.5400/+30.2200+129.5348/+30.2186+129.5200/+30.2166+129.5000/+30.2135+129.4800/+30.2091+129.4600/+30.2029+129.4400/+30.2000+129.4334/+30.1949+129.4200/+30.1883+129.4000/+30.1857+129.3800/+30.1829+129.3600/+30.1811+129.3400/+30.1801+129.3200/+30.1800+129.3184/+30.1786+129.3000/+30.1800+129.2958/+30.1880+129.2800/+30.2000+129.2685/+30.2072+129.2800/+30.2186+129.3000/+30.2200+129.3036/+30.2284+129.3200/+30.2400+129.3341/+30.2442+129.3400/+30.2571+129.3600/+30.2600+129.3646/+30.2652+129.3800/+30.2710+129.4000/+30.2774+129.4200/+30.2800+129.4283/+30.2835+129.4400/+30.2915+129.4600/+30.3000+129.4734/+30.3045+129.4800/+30.3146+129.5000/+30.3200+129.5143/+30.3218+129.5200/+30.3270+129.5400/+30.3331+129.5600/+30.3396+129.5800/+30.3400+129.5815/+30.3474+129.6000/+30.3556+129.6200/+30.3600+129.6321/+30.3640+129.6400/+30.3741+129.6600/+30.3800+129.6751/+30.3814+129.6800/+30.3856+129.7000/+30.3857+129.7200/+30.3909+129.7400/+30.3937+129.7600/+30.3972+129.7800/+30.3993+129.8000/+30.4000+129.8031/+30.4101+129.8200/+30.4144+129.8400/+30.4161+129.8600/+30.4179+129.8800/+30.4192+129.9000/+30.4187+129.9200/+30.4196+129.9400/+30.4200+129.9463/+30.4357+129.9600/+30.4375+129.9800/+30.4387+130.0000/+30.4400+130.0090/+30.4600+130.0123/+30.4620+130.0200/ 西 90 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4478+130.1400/+30.4527+130.1600/+30.4574+130.1800/+30.4588+130.2000/+30.4586+130.2200/+30.4400+130.2386/+30.4214+130.2200/+30.4212+130.2000/+30.4200+130.1855/+30.4145+130.1800/+30.4131+130.1600/+30.4159+130.1400/+30.4200+130.1288/+30.4400+130.1238/+30.4478+130.1400/ 西 8 鹿児島県屋久島町 4650500 2026-08-07T06:00:00+09:00 2026-08-07T09:00:00+09:00 降灰 70 +30.5425+129.7600/+30.5445+129.7800/+30.5458+129.8000/+30.5494+129.8200/+30.5462+129.8400/+30.5400+129.8536/+30.5367+129.8600/+30.5321+129.8800/+30.5296+129.9000/+30.5311+129.9200/+30.5200+129.9387/+30.5192+129.9400/+30.5128+129.9600/+30.5116+129.9800/+30.5073+130.0000/+30.5004+130.0200/+30.5000+130.0207/+30.4952+130.0400/+30.4947+130.0600/+30.4912+130.0800/+30.4874+130.1000/+30.4817+130.1200/+30.4800+130.1226/+30.4791+130.1400/+30.4791+130.1600/+30.4793+130.1800/+30.4792+130.2000/+30.4781+130.2200/+30.4600+130.2381/+30.4400+130.2396/+30.4204+130.2200/+30.4200+130.2000/+30.4200+130.1994/+30.4017+130.1800/+30.4005+130.1600/+30.4003+130.1400/+30.4002+130.1200/+30.4002+130.1000/+30.4000+130.0876/+30.3935+130.0800/+30.3846+130.0600/+30.3828+130.0400/+30.3819+130.0200/+30.3814+130.0000/+30.3807+129.9800/+30.3800+129.9600/+30.3800+129.9592/+30.3719+129.9400/+30.3686+129.9200/+30.3622+129.9000/+30.3612+129.8800/+30.3600+129.8607/+30.3597+129.8600/+30.3557+129.8400/+30.3521+129.8200/+30.3416+129.8000/+30.3400+129.7814/+30.3399+129.7800/+30.3384+129.7600/+30.3372+129.7400/+30.3361+129.7200/+30.3319+129.7000/+30.3310+129.6800/+30.3301+129.6600/+30.3293+129.6400/+30.3285+129.6200/+30.3278+129.6000/+30.3285+129.5800/+30.3293+129.5600/+30.3296+129.5400/+30.3294+129.5200/+30.3291+129.5000/+30.3291+129.4800/+30.3291+129.4600/+30.3303+129.4400/+30.3331+129.4200/+30.3370+129.4000/+30.3396+129.3800/+30.3400+129.3769/+30.3512+129.3600/+30.3600+129.3523/+30.3640+129.3600/+30.3752+129.3800/+30.3800+129.3872/+30.3899+129.4000/+30.4000+129.4098/+30.4033+129.4200/+30.4088+129.4400/+30.4150+129.4600/+30.4200+129.4756/+30.4212+129.4800/+30.4261+129.5000/+30.4308+129.5200/+30.4347+129.5400/+30.4379+129.5600/+30.4400+129.5759/+30.4408+129.5800/+30.4442+129.6000/+30.4493+129.6200/+30.4535+129.6400/+30.4586+129.6600/+30.4600+129.6649/+30.4703+129.6800/+30.4664+129.7000/+30.4696+129.7200/+30.4722+129.7400/+30.4740+129.7600/+30.4764+129.7800/+30.4783+129.8000/+30.4757+129.8200/+30.4782+129.8400/+30.4800+129.8527/+30.4829+129.8400/+30.4857+129.8200/+30.4849+129.8000/+30.4902+129.7800/+30.4965+129.7600/+30.5000+129.7491/+30.5037+129.7400/+30.5159+129.7200/+30.5200+129.7168/+30.5250+129.7200/+30.5369+129.7400/+30.5400+129.7495/+30.5425+129.7600/ 西 80 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4621+130.1400/+30.4722+130.1600/+30.4763+130.1800/+30.4600+130.1963/+30.4588+130.2000/+30.4587+130.2200/+30.4400+130.2387/+30.4213+130.2200/+30.4212+130.2000/+30.4228+130.1800/+30.4263+130.1600/+30.4309+130.1400/+30.4400+130.1265/+30.4600+130.1332/+30.4621+130.1400/ 西 8 鹿児島県屋久島町 4650500 2026-08-07T09:00:00+09:00 2026-08-07T12:00:00+09:00 降灰 70 +30.5723+129.7800/+30.5767+129.8000/+30.5761+129.8200/+30.5746+129.8400/+30.5687+129.8600/+30.5640+129.8800/+30.5609+129.9000/+30.5600+129.9095/+30.5595+129.9200/+30.5480+129.9400/+30.5400+129.9556/+30.5385+129.9600/+30.5324+129.9800/+30.5278+130.0000/+30.5200+130.0128/+30.5167+130.0200/+30.5131+130.0400/+30.5078+130.0600/+30.5000+130.0781/+30.4996+130.0800/+30.4958+130.1000/+30.4935+130.1200/+30.4888+130.1400/+30.4800+130.1527/+30.4799+130.1600/+30.4798+130.1800/+30.4797+130.2000/+30.4782+130.2200/+30.4600+130.2382/+30.4400+130.2396/+30.4204+130.2200/+30.4201+130.2000/+30.4201+130.1800/+30.4200+130.1711/+30.4103+130.1600/+30.4044+130.1400/+30.4029+130.1200/+30.4027+130.1000/+30.4026+130.0800/+30.4028+130.0600/+30.4030+130.0400/+30.4034+130.0200/+30.4036+130.0000/+30.4039+129.9800/+30.4040+129.9600/+30.4045+129.9400/+30.4049+129.9200/+30.4000+129.9063/+30.3938+129.9000/+30.3954+129.8800/+30.3979+129.8600/+30.3988+129.8400/+30.4000+129.8219/+30.4001+129.8200/+30.4022+129.8000/+30.4028+129.7800/+30.4036+129.7600/+30.4042+129.7400/+30.4050+129.7200/+30.4056+129.7000/+30.4057+129.6800/+30.4075+129.6600/+30.4092+129.6400/+30.4107+129.6200/+30.4125+129.6000/+30.4130+129.5800/+30.4137+129.5600/+30.4152+129.5400/+30.4179+129.5200/+30.4200+129.5067/+30.4212+129.5000/+30.4234+129.4800/+30.4260+129.4600/+30.4283+129.4400/+30.4299+129.4200/+30.4315+129.4000/+30.4318+129.3800/+30.4322+129.3600/+30.4352+129.3400/+30.4400+129.3255/+30.4503+129.3200/+30.4600+129.3154/+30.4634+129.3200/+30.4767+129.3400/+30.4800+129.3491/+30.4839+129.3600/+30.4865+129.3800/+30.4892+129.4000/+30.4915+129.4200/+30.4937+129.4400/+30.4973+129.4600/+30.5000+129.4726/+30.5010+129.4800/+30.5034+129.5000/+30.5070+129.5200/+30.5101+129.5400/+30.5123+129.5600/+30.5140+129.5800/+30.5156+129.6000/+30.5173+129.6200/+30.5189+129.6400/+30.5200+129.6497/+30.5212+129.6600/+30.5241+129.6800/+30.5268+129.7000/+30.5200+129.7055/+30.5135+129.7200/+30.5145+129.7400/+30.5154+129.7600/+30.5165+129.7800/+30.5174+129.8000/+30.5192+129.8200/+30.5200+129.8268/+30.5230+129.8200/+30.5340+129.8000/+30.5400+129.7854/+30.5430+129.7800/+30.5600+129.7611/+30.5723+129.7800/ +30.5007+129.9200/+30.5017+129.9400/+30.5000+129.9454/+30.4994+129.9400/+30.4998+129.9200/+30.5000+129.9196/+30.5007+129.9200/ 西 90 鹿児島県屋久島町 4650500 小さな噴石の落下 75 1 +30.4704+130.1600/+30.4759+130.1800/+30.4769+130.2000/+30.4600+130.2169/+30.4588+130.2200/+30.4400+130.2388/+30.4212+130.2200/+30.4212+130.2000/+30.4235+130.1800/+30.4302+130.1600/+30.4393+130.1400/+30.4400+130.1385/+30.4481+130.1400/+30.4600+130.1409/+30.4704+130.1600/ 西 7 鹿児島県屋久島町 4650500 　現在、口永良部島は噴火警戒レベル２（火口周辺規制）です。口永良部島で噴火が発生した場合には、６日２１時から２４時までは火口から南西方向、７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。 　６日１８時から７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 　０６日１８時から２１時まで　南西　　　　　　１２０ｋｍ　８ｋｍ　　　　　 　０６日２１時から２４時まで　南西　　　　　　１００ｋｍ　８ｋｍ　　　　　 　０７日００時から０３時まで　南西　　　　　　９０ｋｍ　　８ｋｍ　　　　　 　０７日０３時から０６時まで　西　　　　　　　９０ｋｍ　　８ｋｍ　　　　　 　０７日０６時から０９時まで　西　　　　　　　８０ｋｍ　　８ｋｍ　　　　　 　０７日０９時から１２時まで　西　　　　　　　９０ｋｍ　　７ｋｍ　　　　　 　 　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：屋久島町 　 　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。