2026-10-30T02:00:00Z 通常 気象庁本庁 気象庁 2026-10-30T11:00:00+09:00 2026-10-30T12:00:00+09:00 2026-10-31T06:00:00+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 2026-10-30T12:00:00+09:00 2026-10-30T15:00:00+09:00 降灰 70 +30.8246+130.4400/+30.8289+130.4600/+30.8290+130.4800/+30.8245+130.5000/+30.8267+130.5200/+30.8274+130.5400/+30.8234+130.5600/+30.8236+130.5800/+30.8269+130.6000/+30.8258+130.6200/+30.8220+130.6400/+30.8200+130.6543/+30.8189+130.6600/+30.8149+130.6800/+30.8089+130.7000/+30.8000+130.7188/+30.7992+130.7200/+30.7800+130.7326/+30.7636+130.7200/+30.7600+130.7139/+30.7524+130.7000/+30.7431+130.6800/+30.7400+130.6699/+30.7377+130.6600/+30.7339+130.6400/+30.7300+130.6200/+30.7307+130.6000/+30.7304+130.5800/+30.7267+130.5600/+30.7260+130.5400/+30.7255+130.5200/+30.7247+130.5000/+30.7259+130.4800/+30.7270+130.4600/+30.7302+130.4400/+30.7361+130.4200/+30.7400+130.4150/+30.7408+130.4000/+30.7412+130.3800/+30.7421+130.3600/+30.7542+130.3400/+30.7600+130.3342/+30.7600+130.3200/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2801/+30.8199+130.3000/+30.8200+130.3200/+30.8199+130.3400/+30.8198+130.3600/+30.8198+130.3800/+30.8199+130.4000/+30.8199+130.4200/+30.8200+130.4228/+30.8246+130.4400/ 東 40 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+130.3383/+30.7800+130.3320/+30.7700+130.3200/+30.7800+130.3100/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 鹿児島県三島村 4630300 2026-10-30T15:00:00+09:00 2026-10-30T18:00:00+09:00 降灰 70 +30.8199+130.3000/+30.8200+130.3200/+30.8199+130.3400/+30.8191+130.3600/+30.8170+130.3800/+30.8132+130.4000/+30.8072+130.4200/+30.8000+130.4360/+30.7998+130.4400/+30.7990+130.4600/+30.7979+130.4800/+30.7968+130.5000/+30.7961+130.5200/+30.7938+130.5400/+30.7881+130.5600/+30.7848+130.5800/+30.7814+130.6000/+30.7800+130.6067/+30.7779+130.6200/+30.7757+130.6400/+30.7711+130.6600/+30.7673+130.6800/+30.7657+130.7000/+30.7606+130.7200/+30.7600+130.7228/+30.7519+130.7400/+30.7411+130.7600/+30.7400+130.7619/+30.7265+130.7800/+30.7200+130.7862/+30.7169+130.7800/+30.7090+130.7600/+30.7022+130.7400/+30.7000+130.7322/+30.6970+130.7200/+30.6921+130.7000/+30.6899+130.6800/+30.6893+130.6600/+30.6901+130.6400/+30.6872+130.6200/+30.6862+130.6000/+30.6919+130.5800/+30.6898+130.5600/+30.6930+130.5400/+30.6968+130.5200/+30.7000+130.5083/+30.7006+130.5000/+30.7028+130.4800/+30.7051+130.4600/+30.7108+130.4400/+30.7200+130.4267/+30.7207+130.4200/+30.7226+130.4000/+30.7308+130.3800/+30.7400+130.3703/+30.7403+130.3600/+30.7410+130.3400/+30.7600+130.3206/+30.7600+130.3200/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2801/+30.8199+130.3000/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8179+130.3200/+30.8000+130.3387/+30.7800+130.3359/+30.7659+130.3200/+30.7800+130.3059/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 鹿児島県三島村 4630300 2026-10-30T18:00:00+09:00 2026-10-30T21:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8167+130.3400/+30.8000+130.3570/+30.7994+130.3600/+30.7949+130.3800/+30.7800+130.3969/+30.7791+130.4000/+30.7762+130.4200/+30.7649+130.4400/+30.7600+130.4449/+30.7554+130.4600/+30.7496+130.4800/+30.7400+130.4952/+30.7384+130.5000/+30.7326+130.5200/+30.7203+130.5400/+30.7200+130.5405/+30.7113+130.5600/+30.7015+130.5800/+30.7000+130.5836/+30.6897+130.6000/+30.6800+130.6125/+30.6740+130.6200/+30.6600+130.6367/+30.6537+130.6400/+30.6443+130.6600/+30.6400+130.6648/+30.6200+130.6658/+30.6126+130.6600/+30.6012+130.6400/+30.6000+130.6389/+30.5839+130.6200/+30.5800+130.6136/+30.5743+130.6000/+30.5670+130.5800/+30.5722+130.5600/+30.5758+130.5400/+30.5787+130.5200/+30.5800+130.5141/+30.5819+130.5000/+30.5879+130.4800/+30.6000+130.4635/+30.6018+130.4600/+30.6101+130.4400/+30.6200+130.4295/+30.6256+130.4200/+30.6400+130.4057/+30.6436+130.4000/+30.6600+130.3835/+30.6626+130.3800/+30.6800+130.3634/+30.6828+130.3600/+30.7000+130.3433/+30.7035+130.3400/+30.7200+130.3237/+30.7245+130.3200/+30.7400+130.3045/+30.7490+130.3000/+30.7600+130.2890/+30.7800+130.2801/+30.8000+130.2802/+30.8198+130.3000/ 南東 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8184+130.3200/+30.8000+130.3384/+30.7800+130.3375/+30.7627+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2812/+30.8188+130.3000/ 南東 2 鹿児島県三島村 4630300 2026-10-30T21:00:00+09:00 2026-10-31T00:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8199+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7966+130.3600/+30.7800+130.3767/+30.7784+130.3800/+30.7600+130.3989/+30.7591+130.4000/+30.7475+130.4200/+30.7400+130.4279/+30.7350+130.4400/+30.7200+130.4573/+30.7182+130.4600/+30.7060+130.4800/+30.7000+130.4865/+30.6913+130.5000/+30.6800+130.5148/+30.6764+130.5200/+30.6622+130.5400/+30.6600+130.5426/+30.6464+130.5600/+30.6400+130.5719/+30.6347+130.5800/+30.6234+130.6000/+30.6200+130.6050/+30.6092+130.6200/+30.6000+130.6286/+30.5861+130.6400/+30.5800+130.6479/+30.5644+130.6600/+30.5600+130.6631/+30.5400+130.6699/+30.5262+130.6800/+30.5200+130.6851/+30.5000+130.6834/+30.4817+130.6800/+30.4826+130.6600/+30.4827+130.6400/+30.4914+130.6200/+30.4954+130.6000/+30.5000+130.5915/+30.5072+130.5800/+30.5199+130.5600/+30.5200+130.5598/+30.5336+130.5400/+30.5400+130.5336/+30.5461+130.5200/+30.5571+130.5000/+30.5600+130.4959/+30.5770+130.4800/+30.5800+130.4779/+30.5923+130.4600/+30.6000+130.4528/+30.6091+130.4400/+30.6200+130.4289/+30.6275+130.4200/+30.6400+130.4083/+30.6454+130.4000/+30.6600+130.3857/+30.6654+130.3800/+30.6800+130.3658/+30.6857+130.3600/+30.7000+130.3459/+30.7075+130.3400/+30.7200+130.3275/+30.7288+130.3200/+30.7400+130.3088/+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/+30.8178+130.3200/+30.8000+130.3378/+30.7800+130.3382/+30.7623+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 2026-10-31T00:00:00+09:00 2026-10-31T03:00:00+09:00 降灰 70 +30.8198+130.3000/+30.8198+130.3200/+30.8000+130.3399/+30.7999+130.3400/+30.7962+130.3600/+30.7800+130.3763/+30.7784+130.3800/+30.7600+130.3990/+30.7593+130.4000/+30.7507+130.4200/+30.7400+130.4312/+30.7366+130.4400/+30.7200+130.4597/+30.7199+130.4600/+30.7139+130.4800/+30.7000+130.4974/+30.6983+130.5000/+30.6877+130.5200/+30.6800+130.5304/+30.6752+130.5400/+30.6653+130.5600/+30.6600+130.5687/+30.6542+130.5800/+30.6438+130.6000/+30.6400+130.6060/+30.6297+130.6200/+30.6200+130.6346/+30.6172+130.6400/+30.6062+130.6600/+30.6000+130.6693/+30.5903+130.6800/+30.5800+130.6989/+30.5793+130.7000/+30.5665+130.7200/+30.5600+130.7278/+30.5400+130.7355/+30.5237+130.7400/+30.5200+130.7428/+30.5070+130.7600/+30.5000+130.7685/+30.4948+130.7600/+30.4921+130.7400/+30.4950+130.7200/+30.5000+130.7015/+30.5004+130.7000/+30.5068+130.6800/+30.5126+130.6600/+30.5183+130.6400/+30.5200+130.6356/+30.5244+130.6200/+30.5287+130.6000/+30.5324+130.5800/+30.5400+130.5683/+30.5441+130.5600/+30.5515+130.5400/+30.5600+130.5235/+30.5614+130.5200/+30.5702+130.5000/+30.5800+130.4920/+30.5929+130.4800/+30.6000+130.4726/+30.6063+130.4600/+30.6200+130.4457/+30.6241+130.4400/+30.6400+130.4238/+30.6420+130.4200/+30.6600+130.4014/+30.6608+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+130.3001/+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/+30.8184+130.3200/+30.8000+130.3384/+30.7800+130.3387/+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 2026-10-31T03:00:00+09:00 2026-10-31T06:00:00+09:00 降灰 70 +30.8197+130.3000/+30.8198+130.3200/+30.8000+130.3398/+30.7998+130.3400/+30.7800+130.3598/+30.7793+130.3600/+30.7600+130.3793/+30.7582+130.3800/+30.7400+130.3982/+30.7367+130.4000/+30.7200+130.4167/+30.7150+130.4200/+30.7000+130.4350/+30.6930+130.4400/+30.6800+130.4532/+30.6719+130.4600/+30.6600+130.4719/+30.6518+130.4800/+30.6400+130.4923/+30.6323+130.5000/+30.6200+130.5123/+30.6124+130.5200/+30.6041+130.5400/+30.6000+130.5449/+30.5873+130.5600/+30.5800+130.5675/+30.5605+130.5800/+30.5600+130.5807/+30.5433+130.6000/+30.5400+130.6055/+30.5298+130.6200/+30.5200+130.6262/+30.5037+130.6400/+30.5000+130.6461/+30.4870+130.6600/+30.4800+130.6647/+30.4625+130.6800/+30.4600+130.6832/+30.4400+130.6911/+30.4207+130.7000/+30.4200+130.7005/+30.4000+130.7174/+30.3804+130.7000/+30.3930+130.6800/+30.4000+130.6629/+30.4009+130.6600/+30.4100+130.6400/+30.4200+130.6253/+30.4226+130.6200/+30.4400+130.6037/+30.4430+130.6000/+30.4560+130.5800/+30.4600+130.5754/+30.4786+130.5600/+30.4800+130.5586/+30.4895+130.5400/+30.5000+130.5301/+30.5067+130.5200/+30.5200+130.5023/+30.5222+130.5000/+30.5400+130.4857/+30.5433+130.4800/+30.5600+130.4662/+30.5763+130.4600/+30.5800+130.4565/+30.6000+130.4406/+30.6005+130.4400/+30.6200+130.4210/+30.6209+130.4200/+30.6400+130.4016/+30.6416+130.4000/+30.6600+130.3820/+30.6622+130.3800/+30.6800+130.3624/+30.6827+130.3600/+30.7000+130.3427/+30.7037+130.3400/+30.7200+130.3237/+30.7253+130.3200/+30.7400+130.3053/+30.7537+130.3000/+30.7600+130.2937/+30.7800+130.2801/+30.8000+130.2803/+30.8197+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/+30.8000+130.3188/+30.7979+130.3200/+30.7800+130.3385/+30.7611+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2812/+30.8188+130.3000/ 南 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１２時から３１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 　３０日１２時から１５時まで　東　　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　３０日１５時から１８時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１８時から２１時まで　南東　　　　　　４０ｋｍ　　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　　　　　　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。