2026-09-04T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-05T05:00:00+09:00 2026-09-05T06:00:00+09:00 2026-09-06T00:00:00+09:00 511 発表 1 降灰予報 1.1_0 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、５日０９時から１２時までは火口から西方向、５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 諏訪之瀬島 511 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 降灰予報（定時） 06 諏訪之瀬島 511 +2938.30+12942.83+796/ 降灰 70 鹿児島県十島村 4630400 小さな噴石の落下 75 鹿児島県十島村 4630400 2026-09-05T06:00:00+09:00 2026-09-05T09:00:00+09:00 降灰 70 +29.8832+129.3200/+29.8800+129.3332/+29.8701+129.3200/+29.8800+129.3099/+29.8832+129.3200/ +29.8651+129.3600/+29.8600+129.3659/+29.8531+129.3800/+29.8484+129.4000/+29.8412+129.4200/+29.8400+129.4225/+29.8355+129.4400/+29.8270+129.4600/+29.8200+129.4658/+29.8142+129.4800/+29.8000+129.4995/+29.7997+129.5000/+29.7928+129.5200/+29.7800+129.5346/+29.7764+129.5400/+29.7648+129.5600/+29.7600+129.5650/+29.7546+129.5800/+29.7400+129.5968/+29.7385+129.6000/+29.7303+129.6200/+29.7200+129.6305/+29.7174+129.6400/+29.7000+129.6591/+29.6996+129.6600/+29.6950+129.6800/+29.6800+129.6952/+29.6798+129.7000/+29.6775+129.7200/+29.6600+129.7375/+29.6400+129.7397/+29.6203+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6201+129.6600/+29.6202+129.6400/+29.6206+129.6200/+29.6219+129.6000/+29.6269+129.5800/+29.6400+129.5628/+29.6401+129.5600/+29.6407+129.5400/+29.6414+129.5200/+29.6429+129.5000/+29.6455+129.4800/+29.6524+129.4600/+29.6600+129.4470/+29.6607+129.4400/+29.6619+129.4200/+29.6600+129.4088/+29.6531+129.4000/+29.6600+129.3835/+29.6608+129.3800/+29.6640+129.3600/+29.6678+129.3400/+29.6726+129.3200/+29.6800+129.3021/+29.6806+129.3000/+29.6850+129.2800/+29.6875+129.2600/+29.6906+129.2400/+29.6949+129.2200/+29.7000+129.2052/+29.7031+129.2000/+29.7110+129.1800/+29.7164+129.1600/+29.7200+129.1454/+29.7214+129.1400/+29.7264+129.1200/+29.7327+129.1000/+29.7398+129.0800/+29.7400+129.0796/+29.7528+129.0600/+29.7600+129.0458/+29.7632+129.0400/+29.7702+129.0200/+29.7759+129.0000/+29.7800+128.9901/+29.7843+128.9800/+29.7935+128.9600/+29.8000+128.9435/+29.8200+128.9597/+29.8202+128.9600/+29.8252+128.9800/+29.8268+129.0000/+29.8256+129.0200/+29.8248+129.0400/+29.8236+129.0600/+29.8222+129.0800/+29.8211+129.1000/+29.8200+129.1085/+29.8185+129.1200/+29.8156+129.1400/+29.8121+129.1600/+29.8072+129.1800/+29.8000+129.1998/+29.8000+129.2000/+29.7974+129.2200/+29.7946+129.2400/+29.7920+129.2600/+29.7893+129.2800/+29.7882+129.3000/+29.7869+129.3200/+29.7800+129.3324/+29.7747+129.3400/+29.7685+129.3600/+29.7600+129.3792/+29.7599+129.3800/+29.7584+129.4000/+29.7576+129.4200/+29.7467+129.4400/+29.7400+129.4568/+29.7398+129.4600/+29.7386+129.4800/+29.7400+129.4946/+29.7448+129.4800/+29.7600+129.4632/+29.7627+129.4600/+29.7767+129.4400/+29.7800+129.4324/+29.7877+129.4200/+29.8000+129.4030/+29.8016+129.4000/+29.8186+129.3800/+29.8200+129.3762/+29.8260+129.3600/+29.8391+129.3400/+29.8400+129.3389/+29.8502+129.3400/+29.8600+129.3439/+29.8651+129.3600/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6601+129.6600/+29.6724+129.6800/+29.6753+129.7000/+29.6600+129.7153/+29.6588+129.7200/+29.6400+129.7388/+29.6212+129.7200/+29.6212+129.7000/+29.6261+129.6800/+29.6400+129.6603/+29.6589+129.6600/+29.6600+129.6599/+29.6601+129.6600/ 北西 6 鹿児島県十島村 4630400 2026-09-05T09:00:00+09:00 2026-09-05T12:00:00+09:00 降灰 70 +29.9058+128.8400/+29.9095+128.8600/+29.9104+128.8800/+29.9112+128.9000/+29.9109+128.9200/+29.9106+128.9400/+29.9082+128.9600/+29.9033+128.9800/+29.9000+128.9928/+29.8972+129.0000/+29.8905+129.0200/+29.8874+129.0400/+29.8853+129.0600/+29.8830+129.0800/+29.8809+129.1000/+29.8800+129.1073/+29.8783+129.1200/+29.8757+129.1400/+29.8717+129.1600/+29.8648+129.1800/+29.8600+129.1907/+29.8566+129.2000/+29.8510+129.2200/+29.8460+129.2400/+29.8400+129.2473/+29.8351+129.2600/+29.8314+129.2800/+29.8280+129.3000/+29.8228+129.3200/+29.8200+129.3285/+29.8151+129.3400/+29.8021+129.3600/+29.8000+129.3653/+29.7980+129.3800/+29.7955+129.4000/+29.7907+129.4200/+29.7800+129.4386/+29.7764+129.4400/+29.7600+129.4554/+29.7598+129.4600/+29.7573+129.4800/+29.7478+129.5000/+29.7400+129.5138/+29.7395+129.5200/+29.7356+129.5400/+29.7228+129.5600/+29.7200+129.5636/+29.7193+129.5800/+29.7165+129.6000/+29.7000+129.6183/+29.6999+129.6200/+29.6996+129.6400/+29.6976+129.6600/+29.6800+129.6778/+29.6799+129.6800/+29.6799+129.7000/+29.6765+129.7200/+29.6600+129.7365/+29.6400+129.7393/+29.6207+129.7200/+29.6201+129.7000/+29.6201+129.6800/+29.6202+129.6600/+29.6208+129.6400/+29.6233+129.6200/+29.6364+129.6000/+29.6400+129.5958/+29.6406+129.5800/+29.6417+129.5600/+29.6439+129.5400/+29.6501+129.5200/+29.6600+129.5002/+29.6600+129.5000/+29.6627+129.4800/+29.6660+129.4600/+29.6709+129.4400/+29.6800+129.4207/+29.6802+129.4200/+29.6800+129.4175/+29.6762+129.4000/+29.6800+129.3923/+29.6852+129.3800/+29.6925+129.3600/+29.7000+129.3478/+29.7020+129.3400/+29.7100+129.3200/+29.7118+129.3000/+29.7200+129.2885/+29.7222+129.2800/+29.7260+129.2600/+29.7321+129.2400/+29.7390+129.2200/+29.7400+129.2174/+29.7487+129.2000/+29.7556+129.1800/+29.7600+129.1689/+29.7623+129.1600/+29.7676+129.1400/+29.7746+129.1200/+29.7800+129.1091/+29.7859+129.1000/+29.7952+129.0800/+29.8000+129.0721/+29.8061+129.0600/+29.8133+129.0400/+29.8200+129.0205/+29.8202+129.0200/+29.8276+129.0000/+29.8342+128.9800/+29.8400+128.9657/+29.8453+128.9600/+29.8594+128.9400/+29.8600+128.9389/+29.8749+128.9200/+29.8800+128.9071/+29.8820+128.9000/+29.8868+128.8800/+29.8904+128.8600/+29.8952+128.8400/+29.9000+128.8255/+29.9058+128.8400/ 西 90 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6721+129.6800/+29.6738+129.7000/+29.6600+129.7138/+29.6577+129.7200/+29.6400+129.7377/+29.6223+129.7200/+29.6212+129.7000/+29.6271+129.6800/+29.6400+129.6630/+29.6600+129.6607/+29.6721+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T12:00:00+09:00 2026-09-05T15:00:00+09:00 降灰 70 +29.7802+129.1000/+29.7847+129.1200/+29.7881+129.1400/+29.7875+129.1600/+29.7846+129.1800/+29.7825+129.2000/+29.7805+129.2200/+29.7800+129.2260/+29.7789+129.2400/+29.7754+129.2600/+29.7720+129.2800/+29.7658+129.3000/+29.7600+129.3152/+29.7592+129.3200/+29.7538+129.3400/+29.7510+129.3600/+29.7493+129.3800/+29.7476+129.4000/+29.7458+129.4200/+29.7400+129.4274/+29.7362+129.4400/+29.7321+129.4600/+29.7221+129.4800/+29.7200+129.4830/+29.7187+129.5000/+29.7179+129.5200/+29.7169+129.5400/+29.7142+129.5600/+29.7000+129.5789/+29.6999+129.5800/+29.6993+129.6000/+29.6990+129.6200/+29.6972+129.6400/+29.6800+129.6585/+29.6800+129.6600/+29.6799+129.6800/+29.6798+129.7000/+29.6770+129.7200/+29.6600+129.7370/+29.6400+129.7396/+29.6204+129.7200/+29.6200+129.7000/+29.6200+129.6800/+29.6201+129.6600/+29.6201+129.6400/+29.6202+129.6200/+29.6204+129.6000/+29.6207+129.5800/+29.6209+129.5600/+29.6213+129.5400/+29.6221+129.5200/+29.6229+129.5000/+29.6235+129.4800/+29.6256+129.4600/+29.6273+129.4400/+29.6283+129.4200/+29.6243+129.4000/+29.6288+129.3800/+29.6323+129.3600/+29.6373+129.3400/+29.6400+129.3314/+29.6418+129.3200/+29.6462+129.3000/+29.6502+129.2800/+29.6525+129.2600/+29.6551+129.2400/+29.6594+129.2200/+29.6600+129.2174/+29.6649+129.2000/+29.6707+129.1800/+29.6760+129.1600/+29.6800+129.1453/+29.6816+129.1400/+29.6872+129.1200/+29.6938+129.1000/+29.6972+129.0800/+29.7000+129.0640/+29.7039+129.0600/+29.7200+129.0488/+29.7311+129.0400/+29.7400+129.0311/+29.7540+129.0400/+29.7600+129.0441/+29.7659+129.0600/+29.7738+129.0800/+29.7800+129.0994/+29.7802+129.1000/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6695+129.6800/+29.6629+129.7000/+29.6600+129.7029/+29.6586+129.7200/+29.6400+129.7386/+29.6214+129.7200/+29.6212+129.7000/+29.6290+129.6800/+29.6400+129.6650/+29.6600+129.6649/+29.6695+129.6800/ 北西 4 鹿児島県十島村 4630400 2026-09-05T15:00:00+09:00 2026-09-05T18:00:00+09:00 降灰 70 +29.7024+129.3200/+29.7007+129.3400/+29.7000+129.3429/+29.6977+129.3400/+29.6951+129.3200/+29.7000+129.3170/+29.7024+129.3200/ +29.6622+129.2200/+29.6660+129.2400/+29.6692+129.2600/+29.6717+129.2800/+29.6704+129.3000/+29.6744+129.3200/+29.6762+129.3400/+29.6772+129.3600/+29.6774+129.3800/+29.6778+129.4000/+29.6732+129.4200/+29.6774+129.4400/+29.6768+129.4600/+29.6744+129.4800/+29.6774+129.5000/+29.6786+129.5200/+29.6787+129.5400/+29.6794+129.5600/+29.6787+129.5800/+29.6786+129.6000/+29.6785+129.6200/+29.6786+129.6400/+29.6788+129.6600/+29.6792+129.6800/+29.6793+129.7000/+29.6752+129.7200/+29.6600+129.7352/+29.6400+129.7397/+29.6203+129.7200/+29.6200+129.7184/+29.6017+129.7000/+29.6004+129.6800/+29.6003+129.6600/+29.6003+129.6400/+29.6003+129.6200/+29.6003+129.6000/+29.6000+129.5816/+29.5987+129.5800/+29.5878+129.5600/+29.5852+129.5400/+29.5840+129.5200/+29.5834+129.5000/+29.5833+129.4800/+29.5831+129.4600/+29.5823+129.4400/+29.5811+129.4200/+29.5800+129.4120/+29.5705+129.4000/+29.5685+129.3800/+29.5686+129.3600/+29.5688+129.3400/+29.5691+129.3200/+29.5673+129.3000/+29.5679+129.2800/+29.5687+129.2600/+29.5700+129.2400/+29.5701+129.2200/+29.5685+129.2000/+29.5693+129.1800/+29.5702+129.1600/+29.5718+129.1400/+29.5744+129.1200/+29.5777+129.1000/+29.5800+129.0800/+29.5800+129.0797/+29.5826+129.0600/+29.5852+129.0400/+29.5877+129.0200/+29.5905+129.0000/+29.5932+128.9800/+29.5964+128.9600/+29.6000+128.9441/+29.6041+128.9600/+29.6082+128.9800/+29.6119+129.0000/+29.6164+129.0200/+29.6200+129.0357/+29.6210+129.0400/+29.6262+129.0600/+29.6317+129.0800/+29.6370+129.1000/+29.6400+129.1122/+29.6420+129.1200/+29.6465+129.1400/+29.6504+129.1600/+29.6543+129.1800/+29.6571+129.2000/+29.6600+129.2105/+29.6622+129.2200/ 西 70 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6496+129.6800/+29.6588+129.7000/+29.6587+129.7200/+29.6400+129.7387/+29.6213+129.7200/+29.6212+129.7000/+29.6304+129.6800/+29.6400+129.6657/+29.6496+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-05T18:00:00+09:00 2026-09-05T21:00:00+09:00 降灰 70 +29.6615+129.1400/+29.6641+129.1600/+29.6670+129.1800/+29.6643+129.2000/+29.6659+129.2200/+29.6672+129.2400/+29.6694+129.2600/+29.6712+129.2800/+29.6697+129.3000/+29.6710+129.3200/+29.6724+129.3400/+29.6733+129.3600/+29.6737+129.3800/+29.6744+129.4000/+29.6600+129.4154/+29.6587+129.4200/+29.6591+129.4400/+29.6595+129.4600/+29.6597+129.4800/+29.6600+129.4955/+29.6614+129.5000/+29.6627+129.5200/+29.6675+129.5400/+29.6705+129.5600/+29.6717+129.5800/+29.6726+129.6000/+29.6735+129.6200/+29.6738+129.6400/+29.6750+129.6600/+29.6781+129.6800/+29.6788+129.7000/+29.6720+129.7200/+29.6600+129.7320/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7176/+29.6024+129.7000/+29.6004+129.6800/+29.6003+129.6600/+29.6003+129.6400/+29.6003+129.6200/+29.6004+129.6000/+29.6004+129.5800/+29.6003+129.5600/+29.6003+129.5400/+29.6001+129.5200/+29.6000+129.5148/+29.5942+129.5000/+29.5916+129.4800/+29.5898+129.4600/+29.5889+129.4400/+29.5886+129.4200/+29.5831+129.4000/+29.5831+129.3800/+29.5830+129.3600/+29.5829+129.3400/+29.5829+129.3200/+29.5800+129.3115/+29.5714+129.3000/+29.5726+129.2800/+29.5732+129.2600/+29.5740+129.2400/+29.5744+129.2200/+29.5703+129.2000/+29.5713+129.1800/+29.5723+129.1600/+29.5735+129.1400/+29.5748+129.1200/+29.5762+129.1000/+29.5779+129.0800/+29.5799+129.0600/+29.5800+129.0589/+29.5821+129.0400/+29.5844+129.0200/+29.5872+129.0000/+29.5899+128.9800/+29.5929+128.9600/+29.5960+128.9400/+29.5993+128.9200/+29.6000+128.9160/+29.6019+128.9200/+29.6110+128.9400/+29.6200+128.9598/+29.6201+128.9600/+29.6286+128.9800/+29.6361+129.0000/+29.6400+129.0119/+29.6418+129.0200/+29.6457+129.0400/+29.6496+129.0600/+29.6533+129.0800/+29.6565+129.1000/+29.6593+129.1200/+29.6600+129.1252/+29.6615+129.1400/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6517+129.6800/+29.6588+129.7000/+29.6575+129.7200/+29.6400+129.7375/+29.6225+129.7200/+29.6212+129.7000/+29.6283+129.6800/+29.6400+129.6631/+29.6517+129.6800/ 西 3 鹿児島県十島村 4630400 2026-09-05T21:00:00+09:00 2026-09-06T00:00:00+09:00 降灰 70 +29.6622+129.1200/+29.6661+129.1400/+29.6693+129.1600/+29.6721+129.1800/+29.6682+129.2000/+29.6686+129.2200/+29.6689+129.2400/+29.6696+129.2600/+29.6701+129.2800/+29.6665+129.3000/+29.6675+129.3200/+29.6670+129.3400/+29.6680+129.3600/+29.6699+129.3800/+29.6704+129.4000/+29.6600+129.4111/+29.6567+129.4200/+29.6574+129.4400/+29.6583+129.4600/+29.6588+129.4800/+29.6592+129.5000/+29.6595+129.5200/+29.6598+129.5400/+29.6599+129.5600/+29.6600+129.5800/+29.6600+129.6000/+29.6600+129.6200/+29.6600+129.6225/+29.6645+129.6400/+29.6725+129.6600/+29.6779+129.6800/+29.6786+129.7000/+29.6708+129.7200/+29.6600+129.7308/+29.6400+129.7395/+29.6205+129.7200/+29.6200+129.7172/+29.6028+129.7000/+29.6004+129.6800/+29.6003+129.6600/+29.6003+129.6400/+29.6003+129.6200/+29.6003+129.6000/+29.6004+129.5800/+29.6004+129.5600/+29.6003+129.5400/+29.6000+129.5261/+29.5962+129.5200/+29.5915+129.5000/+29.5877+129.4800/+29.5856+129.4600/+29.5845+129.4400/+29.5838+129.4200/+29.5813+129.4000/+29.5810+129.3800/+29.5800+129.3609/+29.5796+129.3600/+29.5747+129.3400/+29.5728+129.3200/+29.5662+129.3000/+29.5666+129.2800/+29.5663+129.2600/+29.5659+129.2400/+29.5650+129.2200/+29.5600+129.2028/+29.5580+129.2000/+29.5596+129.1800/+29.5600+129.1756/+29.5609+129.1600/+29.5620+129.1400/+29.5629+129.1200/+29.5640+129.1000/+29.5645+129.0800/+29.5651+129.0600/+29.5661+129.0400/+29.5676+129.0200/+29.5695+129.0000/+29.5731+128.9800/+29.5780+128.9600/+29.5800+128.9501/+29.5824+128.9400/+29.5856+128.9200/+29.5898+128.9000/+29.5991+128.8800/+29.6000+128.8785/+29.6005+128.8800/+29.6072+128.9000/+29.6114+128.9200/+29.6154+128.9400/+29.6200+128.9556/+29.6212+128.9600/+29.6282+128.9800/+29.6341+129.0000/+29.6390+129.0200/+29.6400+129.0245/+29.6439+129.0400/+29.6488+129.0600/+29.6535+129.0800/+29.6576+129.1000/+29.6600+129.1100/+29.6622+129.1200/ 西 80 鹿児島県十島村 4630400 小さな噴石の落下 75 1 +29.6528+129.6800/+29.6588+129.7000/+29.6584+129.7200/+29.6400+129.7384/+29.6216+129.7200/+29.6212+129.7000/+29.6272+129.6800/+29.6400+129.6618/+29.6528+129.6800/ 西 3 鹿児島県十島村 4630400 　現在、諏訪之瀬島は噴火警戒レベル２（火口周辺規制）です。諏訪之瀬島で噴火が発生した場合には、５日０９時から１２時までは火口から西方向、５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。 　５日６時から５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 　０５日０６時から０９時まで　西　　　　　　　８０ｋｍ　　６ｋｍ　　　　　 　０５日０９時から１２時まで　西　　　　　　　９０ｋｍ　　４ｋｍ　　　　　 　０５日１２時から１５時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０５日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１８時から２１時まで　西　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０５日２１時から２４時まで　西　　　　　　　８０ｋｍ　　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：十島村 　 　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。