2026-10-29T17:00:00Z 通常 気象庁本庁 気象庁 2026-10-30T02:00:00+09:00 2026-10-30T03:00:00+09:00 2026-10-30T21:00:00+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 2026-10-30T03:00:00+09:00 2026-10-30T06:00:00+09:00 降灰 70 +31.1420+130.5200/+31.1400+130.5234/+31.1258+130.5400/+31.1200+130.5445/+31.1000+130.5420/+31.0849+130.5400/+31.0800+130.5396/+31.0600+130.5253/+31.0551+130.5200/+31.0400+130.5127/+31.0200+130.5028/+31.0166+130.5000/+31.0000+130.4893/+30.9878+130.4800/+30.9800+130.4751/+30.9624+130.4600/+30.9600+130.4584/+30.9400+130.4427/+30.9361+130.4600/+30.9400+130.4685/+30.9478+130.4800/+30.9434+130.5000/+30.9496+130.5200/+30.9400+130.5349/+30.9200+130.5249/+30.9163+130.5200/+30.9080+130.5000/+30.9000+130.4839/+30.8970+130.4800/+30.8814+130.4600/+30.8800+130.4587/+30.8600+130.4414/+30.8589+130.4400/+30.8426+130.4200/+30.8400+130.4164/+30.8240+130.4000/+30.8200+130.3961/+30.8105+130.3800/+30.8019+130.3600/+30.8000+130.3587/+30.7827+130.3400/+30.7800+130.3387/+30.7613+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2800/+30.8200+130.2801/+30.8400+130.2821/+30.8583+130.3000/+30.8600+130.3003/+30.8800+130.3019/+30.9000+130.3099/+30.9115+130.3200/+30.9200+130.3218/+30.9400+130.3277/+30.9566+130.3400/+30.9600+130.3413/+30.9800+130.3475/+30.9960+130.3600/+31.0000+130.3625/+31.0200+130.3737/+31.0276+130.3800/+31.0400+130.3903/+31.0584+130.4000/+31.0600+130.4011/+31.0784+130.4200/+31.0800+130.4229/+31.0993+130.4400/+31.1000+130.4407/+31.1174+130.4600/+31.1200+130.4662/+31.1276+130.4800/+31.1331+130.5000/+31.1400+130.5160/+31.1420+130.5200/ 北東 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8215+130.3200/+30.8200+130.3215/+30.8000+130.3379/+30.7821+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8193+130.3000/+30.8200+130.3181/+30.8215+130.3200/ 北東 3 鹿児島県三島村 4630300 2026-10-30T06:00:00+09:00 2026-10-30T09:00:00+09:00 降灰 70 +31.0049+130.5200/+31.0077+130.5400/+31.0083+130.5600/+31.0062+130.5800/+31.0083+130.6000/+31.0067+130.6200/+31.0000+130.6352/+30.9944+130.6400/+30.9800+130.6476/+30.9600+130.6486/+30.9485+130.6400/+30.9400+130.6296/+30.9337+130.6200/+30.9214+130.6000/+30.9200+130.5955/+30.9170+130.5800/+30.9043+130.5600/+30.9000+130.5553/+30.8883+130.5400/+30.8800+130.5243/+30.8773+130.5200/+30.8608+130.5000/+30.8600+130.4994/+30.8405+130.4800/+30.8400+130.4796/+30.8212+130.4600/+30.8200+130.4587/+30.8068+130.4400/+30.8003+130.4200/+30.8000+130.4195/+30.7855+130.4000/+30.7814+130.3800/+30.7802+130.3600/+30.7800+130.3590/+30.7623+130.3400/+30.7602+130.3200/+30.7603+130.3000/+30.7800+130.2803/+30.8000+130.2801/+30.8200+130.2804/+30.8398+130.3000/+30.8400+130.3003/+30.8600+130.3069/+30.8742+130.3200/+30.8800+130.3238/+30.8985+130.3400/+30.9000+130.3420/+30.9176+130.3600/+30.9200+130.3650/+30.9365+130.3800/+30.9400+130.3859/+30.9492+130.4000/+30.9561+130.4200/+30.9600+130.4284/+30.9688+130.4400/+30.9798+130.4600/+30.9800+130.4607/+30.9865+130.4800/+30.9905+130.5000/+31.0000+130.5144/+31.0049+130.5200/ 北東 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8190+130.3000/+30.8193+130.3200/+30.8000+130.3388/+30.7819+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8190+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-10-30T09:00:00+09:00 2026-10-30T12:00:00+09:00 降灰 70 +30.8288+130.3600/+30.8319+130.3800/+30.8333+130.4000/+30.8336+130.4200/+30.8346+130.4400/+30.8348+130.4600/+30.8355+130.4800/+30.8371+130.5000/+30.8374+130.5200/+30.8378+130.5400/+30.8370+130.5600/+30.8376+130.5800/+30.8376+130.6000/+30.8391+130.6200/+30.8382+130.6400/+30.8363+130.6600/+30.8346+130.6800/+30.8337+130.7000/+30.8346+130.7200/+30.8320+130.7400/+30.8281+130.7600/+30.8238+130.7800/+30.8200+130.7932/+30.8176+130.8000/+30.8140+130.8200/+30.8007+130.8400/+30.8000+130.8412/+30.7995+130.8400/+30.7870+130.8200/+30.7805+130.8000/+30.7800+130.7991/+30.7694+130.7800/+30.7600+130.7615/+30.7594+130.7600/+30.7563+130.7400/+30.7538+130.7200/+30.7549+130.7000/+30.7562+130.6800/+30.7558+130.6600/+30.7542+130.6400/+30.7533+130.6200/+30.7600+130.6094/+30.7622+130.6000/+30.7617+130.5800/+30.7600+130.5659/+30.7575+130.5600/+30.7560+130.5400/+30.7590+130.5200/+30.7572+130.5000/+30.7508+130.4800/+30.7489+130.4600/+30.7488+130.4400/+30.7486+130.4200/+30.7502+130.4000/+30.7582+130.3800/+30.7600+130.3778/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7603+130.3000/+30.7800+130.2803/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8200+130.3478/+30.8288+130.3600/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8185+130.3200/+30.8000+130.3395/+30.7800+130.3229/+30.7786+130.3200/+30.7800+130.3185/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 2 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 +30.8198+130.3000/+30.8200+130.3200/+30.8199+130.3400/+30.8191+130.3600/+30.8167+130.3800/+30.8121+130.4000/+30.8000+130.4194/+30.8000+130.4200/+30.7992+130.4400/+30.7978+130.4600/+30.7966+130.4800/+30.7951+130.5000/+30.7917+130.5200/+30.7840+130.5400/+30.7800+130.5516/+30.7789+130.5600/+30.7785+130.5800/+30.7780+130.6000/+30.7755+130.6200/+30.7720+130.6400/+30.7691+130.6600/+30.7648+130.6800/+30.7600+130.6980/+30.7593+130.7000/+30.7580+130.7200/+30.7520+130.7400/+30.7465+130.7600/+30.7400+130.7780/+30.7391+130.7800/+30.7267+130.8000/+30.7236+130.8200/+30.7200+130.8237/+30.7053+130.8200/+30.7050+130.8000/+30.7000+130.7968/+30.6822+130.7800/+30.6800+130.7770/+30.6752+130.7600/+30.6752+130.7400/+30.6753+130.7200/+30.6773+130.7000/+30.6749+130.6800/+30.6749+130.6600/+30.6773+130.6400/+30.6797+130.6200/+30.6800+130.6170/+30.6811+130.6000/+30.6871+130.5800/+30.6908+130.5600/+30.6978+130.5400/+30.7000+130.5352/+30.7013+130.5200/+30.7024+130.5000/+30.7048+130.4800/+30.7117+130.4600/+30.7200+130.4486/+30.7206+130.4400/+30.7217+130.4200/+30.7241+130.4000/+30.7371+130.3800/+30.7400+130.3769/+30.7403+130.3600/+30.7410+130.3400/+30.7600+130.3203/+30.7600+130.3200/+30.7602+130.3000/+30.7800+130.2802/+30.8000+130.2802/+30.8198+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/+30.8185+130.3200/+30.8000+130.3395/+30.7800+130.3381/+30.7641+130.3200/+30.7800+130.3041/+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/+30.8199+130.3200/+30.8159+130.3400/+30.8000+130.3560/+30.7995+130.3600/+30.7918+130.3800/+30.7800+130.3927/+30.7788+130.4000/+30.7725+130.4200/+30.7600+130.4344/+30.7587+130.4400/+30.7538+130.4600/+30.7400+130.4786/+30.7395+130.4800/+30.7347+130.5000/+30.7266+130.5200/+30.7200+130.5298/+30.7171+130.5400/+30.7133+130.5600/+30.7061+130.5800/+30.7034+130.6000/+30.7000+130.6093/+30.6956+130.6200/+30.6874+130.6400/+30.6800+130.6586/+30.6795+130.6600/+30.6725+130.6800/+30.6600+130.7000/+30.6518+130.7200/+30.6400+130.7377/+30.6200+130.7297/+30.6067+130.7200/+30.6013+130.7000/+30.6000+130.6917/+30.5989+130.6800/+30.6000+130.6708/+30.6010+130.6600/+30.6036+130.6400/+30.6049+130.6200/+30.6079+130.6000/+30.6129+130.5800/+30.6170+130.5600/+30.6200+130.5555/+30.6261+130.5400/+30.6285+130.5200/+30.6400+130.5049/+30.6417+130.5000/+30.6476+130.4800/+30.6522+130.4600/+30.6600+130.4497/+30.6633+130.4400/+30.6684+130.4200/+30.6800+130.4059/+30.6818+130.4000/+30.6907+130.3800/+30.7000+130.3688/+30.7019+130.3600/+30.7200+130.3408/+30.7202+130.3400/+30.7376+130.3200/+30.7400+130.3176/+30.7548+130.3000/+30.7600+130.2948/+30.7800+130.2801/+30.8000+130.2801/+30.8199+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+130.3376/+30.7631+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2812/+30.8188+130.3000/ 南東 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/+30.8000+130.3399/+30.7998+130.3400/+30.7800+130.3598/+30.7794+130.3600/+30.7600+130.3797/+30.7594+130.3800/+30.7400+130.4000/+30.7275+130.4200/+30.7200+130.4282/+30.7124+130.4400/+30.7000+130.4537/+30.6957+130.4600/+30.6800+130.4799/+30.6799+130.4800/+30.6666+130.5000/+30.6600+130.5074/+30.6473+130.5200/+30.6400+130.5335/+30.6365+130.5400/+30.6212+130.5600/+30.6200+130.5616/+30.6000+130.5783/+30.5972+130.5800/+30.5825+130.6000/+30.5800+130.6036/+30.5600+130.6185/+30.5400+130.6163/+30.5222+130.6000/+30.5244+130.5800/+30.5260+130.5600/+30.5308+130.5400/+30.5400+130.5205/+30.5401+130.5200/+30.5464+130.5000/+30.5550+130.4800/+30.5600+130.4733/+30.5669+130.4600/+30.5800+130.4455/+30.5839+130.4400/+30.6000+130.4236/+30.6027+130.4200/+30.6200+130.4045/+30.6239+130.4000/+30.6400+130.3856/+30.6468+130.3800/+30.6600+130.3679/+30.6750+130.3600/+30.6800+130.3554/+30.7000+130.3407/+30.7008+130.3400/+30.7200+130.3214/+30.7219+130.3200/+30.7400+130.3020/+30.7436+130.3000/+30.7600+130.2836/+30.7800+130.2801/+30.8000+130.2801/+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/+30.8174+130.3200/+30.8000+130.3374/+30.7800+130.3382/+30.7619+130.3200/+30.7619+130.3000/+30.7800+130.2819/+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　北東　　　　　　４０ｋｍ　　３ｋｍ　　　　　 　３０日０６時から０９時まで　北東　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　３０日０９時から１２時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１２時から１５時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　３０日１５時から１８時まで　南東　　　　　　４０ｋｍ　　２ｋｍ　　　　　 　３０日１８時から２１時まで　南東　　　　　　４０ｋｍ　　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。