2026-07-30T05:00:00Z 通常 気象庁本庁 気象庁 2026-07-30T14:00:00+09:00 2026-07-30T15:00:00+09:00 2026-07-31T09:00:00+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２１時から２４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 2026-07-30T15:00:00+09:00 2026-07-30T18:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3400/+30.7985+130.3600/+30.7800+130.3785/+30.7793+130.3800/+30.7600+130.3996/+30.7597+130.4000/+30.7541+130.4200/+30.7400+130.4342/+30.7381+130.4400/+30.7200+130.4597/+30.7198+130.4600/+30.7139+130.4800/+30.7000+130.4957/+30.6983+130.5000/+30.6901+130.5200/+30.6800+130.5316/+30.6765+130.5400/+30.6630+130.5600/+30.6600+130.5668/+30.6579+130.5800/+30.6517+130.6000/+30.6400+130.6184/+30.6386+130.6200/+30.6280+130.6400/+30.6200+130.6552/+30.6178+130.6600/+30.6078+130.6800/+30.6000+130.6911/+30.5938+130.7000/+30.5800+130.7200/+30.5800+130.7201/+30.5692+130.7400/+30.5600+130.7528/+30.5450+130.7600/+30.5400+130.7637/+30.5200+130.7641/+30.5089+130.7800/+30.5086+130.8000/+30.5000+130.8177/+30.4917+130.8000/+30.4963+130.7800/+30.5000+130.7627/+30.5065+130.7600/+30.5130+130.7400/+30.5099+130.7200/+30.5173+130.7000/+30.5200+130.6950/+30.5243+130.6800/+30.5296+130.6600/+30.5336+130.6400/+30.5400+130.6220/+30.5409+130.6200/+30.5555+130.6000/+30.5600+130.5920/+30.5647+130.5800/+30.5731+130.5600/+30.5800+130.5481/+30.5840+130.5400/+30.6000+130.5269/+30.6037+130.5200/+30.6163+130.5000/+30.6200+130.4956/+30.6259+130.4800/+30.6400+130.4638/+30.6416+130.4600/+30.6578+130.4400/+30.6600+130.4377/+30.6672+130.4200/+30.6800+130.4066/+30.6821+130.4000/+30.7000+130.3817/+30.7005+130.3800/+30.7159+130.3600/+30.7200+130.3559/+30.7224+130.3400/+30.7400+130.3224/+30.7403+130.3200/+30.7600+130.3003/+30.7602+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/+30.8177+130.3200/+30.8000+130.3377/+30.7800+130.3389/+30.7614+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 2026-07-30T18:00:00+09:00 2026-07-30T21:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.8000+130.3400/+30.7979+130.3600/+30.7800+130.3779/+30.7791+130.3800/+30.7600+130.3996/+30.7597+130.4000/+30.7548+130.4200/+30.7400+130.4355/+30.7384+130.4400/+30.7249+130.4600/+30.7200+130.4652/+30.7148+130.4800/+30.7000+130.4980/+30.6989+130.5000/+30.6913+130.5200/+30.6800+130.5363/+30.6783+130.5400/+30.6672+130.5600/+30.6600+130.5744/+30.6580+130.5800/+30.6504+130.6000/+30.6400+130.6170/+30.6376+130.6200/+30.6230+130.6400/+30.6200+130.6454/+30.6125+130.6600/+30.6000+130.6760/+30.5952+130.6800/+30.5829+130.7000/+30.5800+130.7045/+30.5696+130.7200/+30.5600+130.7355/+30.5482+130.7400/+30.5400+130.7451/+30.5246+130.7400/+30.5200+130.7392/+30.5066+130.7200/+30.5098+130.7000/+30.5148+130.6800/+30.5200+130.6697/+30.5243+130.6600/+30.5303+130.6400/+30.5359+130.6200/+30.5400+130.6137/+30.5466+130.6000/+30.5548+130.5800/+30.5600+130.5669/+30.5622+130.5600/+30.5685+130.5400/+30.5770+130.5200/+30.5800+130.5148/+30.5987+130.5000/+30.6000+130.4993/+30.6106+130.4800/+30.6200+130.4696/+30.6249+130.4600/+30.6400+130.4425/+30.6410+130.4400/+30.6567+130.4200/+30.6600+130.4166/+30.6695+130.4000/+30.6800+130.3896/+30.6848+130.3800/+30.7000+130.3648/+30.7021+130.3600/+30.7200+130.3420/+30.7207+130.3400/+30.7400+130.3207/+30.7402+130.3200/+30.7600+130.3002/+30.7601+130.3000/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ +30.5009+130.7800/+30.5022+130.8000/+30.5000+130.8040/+30.4961+130.8000/+30.4993+130.7800/+30.5000+130.7734/+30.5009+130.7800/ 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/+30.8186+130.3200/+30.8000+130.3386/+30.7800+130.3386/+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 2026-07-30T21:00:00+09:00 2026-07-31T00:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7999+130.3400/+30.7800+130.3599/+30.7797+130.3600/+30.7600+130.3797/+30.7596+130.3800/+30.7400+130.3998/+30.7397+130.4000/+30.7255+130.4200/+30.7200+130.4255/+30.7108+130.4400/+30.7000+130.4510/+30.6949+130.4600/+30.6800+130.4756/+30.6763+130.4800/+30.6600+130.4974/+30.6582+130.5000/+30.6457+130.5200/+30.6400+130.5261/+30.6297+130.5400/+30.6261+130.5600/+30.6200+130.5690/+30.6083+130.5800/+30.6000+130.5900/+30.5951+130.6000/+30.5823+130.6200/+30.5800+130.6226/+30.5623+130.6400/+30.5600+130.6441/+30.5473+130.6600/+30.5400+130.6684/+30.5294+130.6800/+30.5200+130.6902/+30.5000+130.6988/+30.4800+130.6958/+30.4701+130.6800/+30.4777+130.6600/+30.4800+130.6554/+30.4848+130.6400/+30.4923+130.6200/+30.4987+130.6000/+30.5000+130.5970/+30.5107+130.5800/+30.5200+130.5692/+30.5244+130.5600/+30.5400+130.5427/+30.5412+130.5400/+30.5524+130.5200/+30.5600+130.5077/+30.5634+130.5000/+30.5800+130.4867/+30.5883+130.4800/+30.6000+130.4682/+30.6060+130.4600/+30.6200+130.4456/+30.6232+130.4400/+30.6400+130.4228/+30.6416+130.4200/+30.6600+130.4014/+30.6609+130.4000/+30.6800+130.3808/+30.6805+130.3800/+30.7000+130.3604/+30.7002+130.3600/+30.7200+130.3402/+30.7201+130.3400/+30.7400+130.3201/+30.7400+130.3200/+30.7600+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/+30.8176+130.3200/+30.8000+130.3376/+30.7800+130.3384/+30.7616+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 2026-07-31T00:00:00+09:00 2026-07-31T03:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7800+130.3599/+30.7798+130.3600/+30.7600+130.3799/+30.7598+130.3800/+30.7435+130.4000/+30.7400+130.4035/+30.7310+130.4200/+30.7200+130.4311/+30.7138+130.4400/+30.7000+130.4543/+30.6962+130.4600/+30.6800+130.4778/+30.6782+130.4800/+30.6601+130.5000/+30.6600+130.5001/+30.6467+130.5200/+30.6400+130.5277/+30.6321+130.5400/+30.6253+130.5600/+30.6200+130.5676/+30.6048+130.5800/+30.6000+130.5855/+30.5930+130.6000/+30.5800+130.6196/+30.5796+130.6200/+30.5600+130.6397/+30.5596+130.6400/+30.5431+130.6600/+30.5400+130.6632/+30.5210+130.6800/+30.5200+130.6812/+30.5000+130.6860/+30.4800+130.6888/+30.4755+130.6800/+30.4800+130.6702/+30.4854+130.6600/+30.4877+130.6400/+30.4934+130.6200/+30.4982+130.6000/+30.5000+130.5961/+30.5108+130.5800/+30.5200+130.5696/+30.5250+130.5600/+30.5400+130.5429/+30.5412+130.5400/+30.5504+130.5200/+30.5600+130.5049/+30.5627+130.5000/+30.5800+130.4867/+30.5878+130.4800/+30.6000+130.4662/+30.6034+130.4600/+30.6200+130.4433/+30.6220+130.4400/+30.6400+130.4215/+30.6409+130.4200/+30.6600+130.4003/+30.6602+130.4000/+30.6799+130.3800/+30.6800+130.3799/+30.6988+130.3600/+30.7000+130.3588/+30.7200+130.3400/+30.7400+130.3200/+30.7600+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/+30.8182+130.3200/+30.8000+130.3382/+30.7800+130.3380/+30.7619+130.3200/+30.7616+130.3000/+30.7800+130.2816/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-07-31T03:00:00+09:00 2026-07-31T06:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7800+130.3599/+30.7798+130.3600/+30.7600+130.3800/+30.7599+130.3800/+30.7463+130.4000/+30.7400+130.4064/+30.7326+130.4200/+30.7200+130.4329/+30.7150+130.4400/+30.7000+130.4553/+30.6964+130.4600/+30.6800+130.4778/+30.6786+130.4800/+30.6672+130.5000/+30.6600+130.5077/+30.6514+130.5200/+30.6400+130.5336/+30.6355+130.5400/+30.6283+130.5600/+30.6200+130.5734/+30.6144+130.5800/+30.6000+130.5965/+30.5976+130.6000/+30.5860+130.6200/+30.5800+130.6282/+30.5684+130.6400/+30.5600+130.6531/+30.5518+130.6600/+30.5400+130.6727/+30.5346+130.6800/+30.5200+130.6984/+30.5147+130.7000/+30.5000+130.7115/+30.4800+130.7049/+30.4760+130.7000/+30.4718+130.6800/+30.4800+130.6660/+30.4850+130.6600/+30.4921+130.6400/+30.4990+130.6200/+30.5000+130.6172/+30.5068+130.6000/+30.5200+130.5851/+30.5226+130.5800/+30.5374+130.5600/+30.5400+130.5573/+30.5460+130.5400/+30.5578+130.5200/+30.5600+130.5163/+30.5665+130.5000/+30.5800+130.4889/+30.5913+130.4800/+30.6000+130.4690/+30.6038+130.4600/+30.6200+130.4439/+30.6225+130.4400/+30.6400+130.4216/+30.6408+130.4200/+30.6600+130.4004/+30.6603+130.4000/+30.6782+130.3800/+30.6800+130.3782/+30.6964+130.3600/+30.7000+130.3564/+30.7154+130.3400/+30.7200+130.3354/+30.7345+130.3200/+30.7400+130.3145/+30.7600+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/+30.8181+130.3200/+30.8000+130.3381/+30.7800+130.3385/+30.7616+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 2026-07-31T06:00:00+09:00 2026-07-31T09:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7800+130.3599/+30.7799+130.3600/+30.7603+130.3800/+30.7600+130.3803/+30.7484+130.4000/+30.7400+130.4085/+30.7336+130.4200/+30.7200+130.4339/+30.7153+130.4400/+30.7000+130.4557/+30.6970+130.4600/+30.6800+130.4782/+30.6785+130.4800/+30.6616+130.5000/+30.6600+130.5018/+30.6502+130.5200/+30.6400+130.5311/+30.6325+130.5400/+30.6249+130.5600/+30.6200+130.5675/+30.6069+130.5800/+30.6000+130.5878/+30.5926+130.6000/+30.5800+130.6159/+30.5749+130.6200/+30.5600+130.6335/+30.5504+130.6400/+30.5400+130.6535/+30.5335+130.6600/+30.5200+130.6706/+30.5000+130.6747/+30.4946+130.6800/+30.4800+130.6877/+30.4734+130.6800/+30.4794+130.6600/+30.4800+130.6583/+30.4852+130.6400/+30.4932+130.6200/+30.4985+130.6000/+30.5000+130.5966/+30.5104+130.5800/+30.5200+130.5680/+30.5236+130.5600/+30.5400+130.5408/+30.5403+130.5400/+30.5508+130.5200/+30.5600+130.5060/+30.5631+130.5000/+30.5800+130.4867/+30.5877+130.4800/+30.6000+130.4670/+30.6053+130.4600/+30.6200+130.4450/+30.6228+130.4400/+30.6400+130.4228/+30.6421+130.4200/+30.6600+130.4026/+30.6616+130.4000/+30.6800+130.3814/+30.6808+130.3800/+30.7000+130.3608/+30.7005+130.3600/+30.7200+130.3405/+30.7202+130.3400/+30.7400+130.3203/+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/+30.8159+130.3200/+30.8000+130.3359/+30.7800+130.3378/+30.7622+130.3200/+30.7616+130.3000/+30.7800+130.2816/+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２１時から２４時までは火口から南東方向に降灰が予想されます。 　３０日１５時から３１日９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１５時から１８時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３０日１８時から２１時まで　南東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　３０日２１時から２４時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日００時から０３時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日０３時から０６時まで　南東　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３１日０６時から０９時まで　南東　　　　　　５０ｋｍ　　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。