2026-07-29T17:00:00Z 通常 気象庁本庁 気象庁 2026-07-30T02:00:00+09:00 2026-07-30T03:00:00+09:00 2026-07-30T21:00:00+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、３０日０９時から１２時までは火口から南東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 2026-07-30T03:00:00+09:00 2026-07-30T06:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8194+130.3400/+30.8000+130.3594/+30.7999+130.3600/+30.7989+130.3800/+30.7805+130.4000/+30.7800+130.4005/+30.7784+130.4200/+30.7681+130.4400/+30.7600+130.4487/+30.7579+130.4600/+30.7460+130.4800/+30.7400+130.4868/+30.7367+130.5000/+30.7235+130.5200/+30.7200+130.5238/+30.7146+130.5400/+30.7046+130.5600/+30.7000+130.5661/+30.6952+130.5800/+30.6937+130.6000/+30.6811+130.6200/+30.6800+130.6216/+30.6652+130.6400/+30.6600+130.6470/+30.6558+130.6600/+30.6479+130.6800/+30.6400+130.6957/+30.6364+130.7000/+30.6245+130.7200/+30.6200+130.7306/+30.6146+130.7400/+30.6000+130.7562/+30.5952+130.7600/+30.5800+130.7772/+30.5756+130.7800/+30.5627+130.8000/+30.5600+130.8049/+30.5400+130.8152/+30.5311+130.8000/+30.5313+130.7800/+30.5314+130.7600/+30.5353+130.7400/+30.5400+130.7262/+30.5414+130.7200/+30.5522+130.7000/+30.5600+130.6909/+30.5651+130.6800/+30.5696+130.6600/+30.5780+130.6400/+30.5800+130.6360/+30.5871+130.6200/+30.6000+130.6030/+30.6009+130.6000/+30.6061+130.5800/+30.6108+130.5600/+30.6200+130.5509/+30.6271+130.5400/+30.6400+130.5228/+30.6410+130.5200/+30.6474+130.5000/+30.6600+130.4859/+30.6620+130.4800/+30.6716+130.4600/+30.6800+130.4511/+30.6825+130.4400/+30.7000+130.4202/+30.7001+130.4200/+30.7030+130.4000/+30.7200+130.3823/+30.7203+130.3800/+30.7235+130.3600/+30.7400+130.3434/+30.7402+130.3400/+30.7431+130.3200/+30.7600+130.3031/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2802/+30.8198+130.3000/ 南東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3389/+30.7623+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T06:00:00+09:00 2026-07-30T09:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8162+130.3400/+30.8000+130.3562/+30.7996+130.3600/+30.7800+130.3797/+30.7798+130.3800/+30.7772+130.4000/+30.7600+130.4175/+30.7593+130.4200/+30.7528+130.4400/+30.7400+130.4533/+30.7379+130.4600/+30.7276+130.4800/+30.7200+130.4891/+30.7170+130.5000/+30.7064+130.5200/+30.7000+130.5285/+30.6967+130.5400/+30.6825+130.5600/+30.6800+130.5632/+30.6749+130.5800/+30.6726+130.6000/+30.6600+130.6142/+30.6572+130.6200/+30.6469+130.6400/+30.6400+130.6566/+30.6381+130.6600/+30.6274+130.6800/+30.6200+130.6971/+30.6186+130.7000/+30.6046+130.7200/+30.6000+130.7267/+30.5877+130.7400/+30.5800+130.7503/+30.5660+130.7600/+30.5600+130.7648/+30.5400+130.7632/+30.5380+130.7600/+30.5353+130.7400/+30.5374+130.7200/+30.5400+130.7113/+30.5435+130.7000/+30.5502+130.6800/+30.5600+130.6616/+30.5607+130.6600/+30.5663+130.6400/+30.5716+130.6200/+30.5793+130.6000/+30.5800+130.5987/+30.5876+130.5800/+30.6000+130.5633/+30.6011+130.5600/+30.6144+130.5400/+30.6200+130.5340/+30.6230+130.5200/+30.6339+130.5000/+30.6400+130.4930/+30.6444+130.4800/+30.6600+130.4629/+30.6610+130.4600/+30.6692+130.4400/+30.6800+130.4285/+30.6818+130.4200/+30.7000+130.4008/+30.7002+130.4000/+30.7049+130.3800/+30.7200+130.3647/+30.7206+130.3600/+30.7400+130.3402/+30.7400+130.3400/+30.7406+130.3200/+30.7600+130.3006/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3384/+30.7624+130.3200/+30.7621+130.3000/+30.7800+130.2820/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T09:00:00+09:00 2026-07-30T12:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8160+130.3400/+30.8000+130.3560/+30.7994+130.3600/+30.7800+130.3796/+30.7797+130.3800/+30.7754+130.4000/+30.7600+130.4156/+30.7586+130.4200/+30.7436+130.4400/+30.7400+130.4437/+30.7361+130.4600/+30.7200+130.4782/+30.7190+130.4800/+30.7105+130.5000/+30.7000+130.5119/+30.6968+130.5200/+30.6827+130.5400/+30.6800+130.5433/+30.6743+130.5600/+30.6658+130.5800/+30.6600+130.5916/+30.6569+130.6000/+30.6481+130.6200/+30.6400+130.6320/+30.6333+130.6400/+30.6204+130.6600/+30.6200+130.6608/+30.6089+130.6800/+30.6000+130.6915/+30.5903+130.7000/+30.5800+130.7138/+30.5767+130.7200/+30.5645+130.7400/+30.5600+130.7455/+30.5427+130.7400/+30.5400+130.7381/+30.5307+130.7200/+30.5354+130.7000/+30.5377+130.6800/+30.5400+130.6710/+30.5428+130.6600/+30.5480+130.6400/+30.5573+130.6200/+30.5600+130.6161/+30.5650+130.6000/+30.5728+130.5800/+30.5800+130.5668/+30.5836+130.5600/+30.6000+130.5419/+30.6008+130.5400/+30.6160+130.5200/+30.6200+130.5148/+30.6244+130.5000/+30.6400+130.4817/+30.6406+130.4800/+30.6473+130.4600/+30.6600+130.4459/+30.6624+130.4400/+30.6800+130.4210/+30.6803+130.4200/+30.6884+130.4000/+30.7000+130.3883/+30.7021+130.3800/+30.7200+130.3618/+30.7204+130.3600/+30.7314+130.3400/+30.7400+130.3314/+30.7405+130.3200/+30.7600+130.3005/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8175+130.3200/+30.8000+130.3375/+30.7800+130.3383/+30.7627+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T12:00:00+09:00 2026-07-30T15:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8144+130.3400/+30.8000+130.3544/+30.7993+130.3600/+30.7800+130.3795/+30.7797+130.3800/+30.7757+130.4000/+30.7600+130.4164/+30.7586+130.4200/+30.7450+130.4400/+30.7400+130.4454/+30.7359+130.4600/+30.7200+130.4789/+30.7194+130.4800/+30.7127+130.5000/+30.7000+130.5164/+30.6984+130.5200/+30.6893+130.5400/+30.6800+130.5519/+30.6763+130.5600/+30.6682+130.5800/+30.6600+130.5969/+30.6588+130.6000/+30.6512+130.6200/+30.6400+130.6370/+30.6372+130.6400/+30.6259+130.6600/+30.6200+130.6713/+30.6146+130.6800/+30.6000+130.6995/+30.5994+130.7000/+30.5800+130.7188/+30.5790+130.7200/+30.5652+130.7400/+30.5600+130.7457/+30.5403+130.7400/+30.5400+130.7398/+30.5269+130.7200/+30.5307+130.7000/+30.5321+130.6800/+30.5370+130.6600/+30.5400+130.6474/+30.5417+130.6400/+30.5511+130.6200/+30.5600+130.6084/+30.5632+130.6000/+30.5719+130.5800/+30.5800+130.5643/+30.5819+130.5600/+30.5951+130.5400/+30.6000+130.5364/+30.6094+130.5200/+30.6200+130.5081/+30.6237+130.5000/+30.6354+130.4800/+30.6400+130.4752/+30.6459+130.4600/+30.6600+130.4445/+30.6615+130.4400/+30.6781+130.4200/+30.6800+130.4181/+30.6837+130.4000/+30.7000+130.3833/+30.7008+130.3800/+30.7200+130.3602/+30.7200+130.3600/+30.7229+130.3400/+30.7400+130.3229/+30.7403+130.3200/+30.7600+130.3003/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8174+130.3200/+30.8000+130.3374/+30.7800+130.3388/+30.7615+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T15:00:00+09:00 2026-07-30T18:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8198+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7823+130.3600/+30.7800+130.3623/+30.7747+130.3800/+30.7600+130.3947/+30.7574+130.4000/+30.7400+130.4176/+30.7385+130.4200/+30.7200+130.4395/+30.7196+130.4400/+30.7104+130.4600/+30.7000+130.4708/+30.6954+130.4800/+30.6800+130.4982/+30.6788+130.5000/+30.6671+130.5200/+30.6600+130.5284/+30.6521+130.5400/+30.6400+130.5527/+30.6355+130.5600/+30.6295+130.5800/+30.6200+130.5943/+30.6160+130.6000/+30.6000+130.6163/+30.5973+130.6200/+30.5870+130.6400/+30.5800+130.6583/+30.5789+130.6600/+30.5608+130.6800/+30.5600+130.6810/+30.5413+130.7000/+30.5400+130.7015/+30.5248+130.7200/+30.5200+130.7260/+30.5025+130.7400/+30.5000+130.7446/+30.4966+130.7400/+30.4907+130.7200/+30.4915+130.7000/+30.4936+130.6800/+30.4982+130.6600/+30.5000+130.6510/+30.5020+130.6400/+30.5132+130.6200/+30.5200+130.6120/+30.5247+130.6000/+30.5361+130.5800/+30.5400+130.5753/+30.5451+130.5600/+30.5538+130.5400/+30.5600+130.5316/+30.5655+130.5200/+30.5769+130.5000/+30.5800+130.4973/+30.6000+130.4898/+30.6041+130.4800/+30.6200+130.4639/+30.6224+130.4600/+30.6400+130.4419/+30.6409+130.4400/+30.6598+130.4200/+30.6600+130.4198/+30.6699+130.4000/+30.6800+130.3899/+30.6840+130.3800/+30.7000+130.3640/+30.7014+130.3600/+30.7200+130.3414/+30.7204+130.3400/+30.7400+130.3204/+30.7401+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8175+130.3200/+30.8000+130.3375/+30.7800+130.3382/+30.7619+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-30T18:00:00+09:00 2026-07-30T21:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7953+130.3600/+30.7800+130.3753/+30.7782+130.3800/+30.7600+130.3985/+30.7592+130.4000/+30.7460+130.4200/+30.7400+130.4262/+30.7359+130.4400/+30.7200+130.4570/+30.7184+130.4600/+30.7090+130.4800/+30.7000+130.4900/+30.6962+130.5000/+30.6807+130.5200/+30.6800+130.5209/+30.6745+130.5400/+30.6600+130.5588/+30.6593+130.5600/+30.6545+130.5800/+30.6476+130.6000/+30.6400+130.6141/+30.6365+130.6200/+30.6228+130.6400/+30.6200+130.6457/+30.6144+130.6600/+30.6017+130.6800/+30.6000+130.6821/+30.5900+130.7000/+30.5800+130.7166/+30.5779+130.7200/+30.5666+130.7400/+30.5600+130.7505/+30.5448+130.7600/+30.5400+130.7638/+30.5200+130.7697/+30.5079+130.7800/+30.5003+130.8000/+30.5000+130.8007/+30.4997+130.8000/+30.4961+130.7800/+30.4942+130.7600/+30.4973+130.7400/+30.5000+130.7334/+30.5027+130.7200/+30.5062+130.7000/+30.5135+130.6800/+30.5200+130.6686/+30.5229+130.6600/+30.5278+130.6400/+30.5339+130.6200/+30.5400+130.6127/+30.5476+130.6000/+30.5596+130.5800/+30.5600+130.5792/+30.5654+130.5600/+30.5727+130.5400/+30.5800+130.5296/+30.5946+130.5200/+30.6000+130.5168/+30.6050+130.5000/+30.6200+130.4809/+30.6204+130.4800/+30.6336+130.4600/+30.6400+130.4534/+30.6445+130.4400/+30.6600+130.4232/+30.6611+130.4200/+30.6800+130.4001/+30.6800+130.4000/+30.6885+130.3800/+30.7000+130.3685/+30.7025+130.3600/+30.7200+130.3425/+30.7207+130.3400/+30.7400+130.3207/+30.7401+130.3200/+30.7600+130.3001/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3387/+30.7800+130.3390/+30.7613+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 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、３０日０９時から１２時までは火口から南東方向に降灰が予想されます。 　３０日３時から３０日２１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 　３０日０３時から０６時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３０日０６時から０９時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日０９時から１２時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１２時から１５時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１５時から１８時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１８時から２１時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　 　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。