2026-10-16T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-16T14:00:00+09:00 2026-10-16T15:00:00+09:00 2026-10-17T09:00:00+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、１６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 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 2026-10-16T15:00:00+09:00 2026-10-16T18:00:00+09:00 降灰 70 +30.8422+129.7800/+30.8556+129.8000/+30.8539+129.8200/+30.8521+129.8400/+30.8546+129.8600/+30.8565+129.8800/+30.8567+129.9000/+30.8586+129.9200/+30.8563+129.9400/+30.8546+129.9600/+30.8536+129.9800/+30.8500+130.0000/+30.8400+130.0157/+30.8394+130.0200/+30.8378+130.0400/+30.8371+130.0600/+30.8364+130.0800/+30.8354+130.1000/+30.8347+130.1200/+30.8329+130.1400/+30.8307+130.1600/+30.8278+130.1800/+30.8200+130.1998/+30.8200+130.2000/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8117+130.3200/+30.8000+130.3317/+30.7800+130.3231/+30.7769+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7600+130.2225/+30.7579+130.2200/+30.7467+130.2000/+30.7446+130.1800/+30.7439+130.1600/+30.7436+130.1400/+30.7434+130.1200/+30.7433+130.1000/+30.7436+130.0800/+30.7441+130.0600/+30.7440+130.0400/+30.7444+130.0200/+30.7474+130.0000/+30.7442+129.9800/+30.7476+129.9600/+30.7517+129.9400/+30.7561+129.9200/+30.7600+129.9077/+30.7621+129.9000/+30.7695+129.8800/+30.7764+129.8600/+30.7800+129.8526/+30.7886+129.8400/+30.7922+129.8200/+30.7960+129.8000/+30.8000+129.7898/+30.8200+129.7820/+30.8320+129.7800/+30.8400+129.7753/+30.8422+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8117+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7803+130.3000/+30.7820+130.2800/+30.8000+130.2658/+30.8117+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-16T18:00:00+09:00 2026-10-16T21:00:00+09:00 降灰 70 +30.8630+129.7200/+30.8677+129.7400/+30.8702+129.7600/+30.8718+129.7800/+30.8698+129.8000/+30.8692+129.8200/+30.8688+129.8400/+30.8681+129.8600/+30.8675+129.8800/+30.8646+129.9000/+30.8648+129.9200/+30.8634+129.9400/+30.8611+129.9600/+30.8600+129.9667/+30.8588+129.9800/+30.8555+130.0000/+30.8425+130.0200/+30.8400+130.0278/+30.8393+130.0400/+30.8380+130.0600/+30.8371+130.0800/+30.8368+130.1000/+30.8359+130.1200/+30.8352+130.1400/+30.8341+130.1600/+30.8320+130.1800/+30.8260+130.2000/+30.8200+130.2106/+30.8199+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8078+130.3200/+30.8000+130.3278/+30.7848+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7602+130.2000/+30.7602+130.1800/+30.7600+130.1648/+30.7575+130.1600/+30.7555+130.1400/+30.7547+130.1200/+30.7544+130.1000/+30.7540+130.0800/+30.7585+130.0600/+30.7557+130.0400/+30.7568+130.0200/+30.7572+130.0000/+30.7520+129.9800/+30.7554+129.9600/+30.7600+129.9404/+30.7601+129.9400/+30.7642+129.9200/+30.7701+129.9000/+30.7742+129.8800/+30.7791+129.8600/+30.7800+129.8570/+30.7868+129.8400/+30.7928+129.8200/+30.8000+129.8020/+30.8008+129.8000/+30.8081+129.7800/+30.8180+129.7600/+30.8200+129.7559/+30.8277+129.7400/+30.8377+129.7200/+30.8400+129.7154/+30.8600+129.7117/+30.8630+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8106+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7861+130.2800/+30.8000+130.2666/+30.8106+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-16T21:00:00+09:00 2026-10-17T00:00:00+09:00 降灰 70 +30.8615+129.7800/+30.8610+129.8000/+30.8613+129.8200/+30.8616+129.8400/+30.8631+129.8600/+30.8642+129.8800/+30.8610+129.9000/+30.8602+129.9200/+30.8609+129.9400/+30.8605+129.9600/+30.8600+129.9662/+30.8594+129.9800/+30.8547+130.0000/+30.8424+130.0200/+30.8400+130.0250/+30.8390+130.0400/+30.8386+130.0600/+30.8379+130.0800/+30.8373+130.1000/+30.8373+130.1200/+30.8367+130.1400/+30.8362+130.1600/+30.8352+130.1800/+30.8321+130.2000/+30.8230+130.2200/+30.8200+130.2239/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8142+130.3200/+30.8000+130.3342/+30.7800+130.3285/+30.7715+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7607+130.2000/+30.7610+130.1800/+30.7614+130.1600/+30.7618+130.1400/+30.7625+130.1200/+30.7636+130.1000/+30.7645+130.0800/+30.7656+130.0600/+30.7662+130.0400/+30.7690+130.0200/+30.7733+130.0000/+30.7659+129.9800/+30.7685+129.9600/+30.7738+129.9400/+30.7800+129.9283/+30.7818+129.9200/+30.7850+129.9000/+30.7829+129.8800/+30.7885+129.8600/+30.7978+129.8400/+30.8000+129.8339/+30.8063+129.8200/+30.8144+129.8000/+30.8200+129.7907/+30.8308+129.7800/+30.8376+129.7600/+30.8400+129.7544/+30.8529+129.7600/+30.8600+129.7673/+30.8615+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8091+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7883+130.2800/+30.8000+130.2682/+30.8091+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-17T00:00:00+09:00 2026-10-17T03:00:00+09:00 降灰 70 +30.8015+129.8600/+30.8055+129.8800/+30.8076+129.9000/+30.8111+129.9200/+30.8145+129.9400/+30.8169+129.9600/+30.8187+129.9800/+30.8138+130.0000/+30.8145+130.0200/+30.8154+130.0400/+30.8167+130.0600/+30.8168+130.0800/+30.8175+130.1000/+30.8182+130.1200/+30.8186+130.1400/+30.8190+130.1600/+30.8193+130.1800/+30.8195+130.2000/+30.8197+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8139+130.3200/+30.8000+130.3339/+30.7800+130.3290/+30.7710+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7600+130.2105/+30.7532+130.2000/+30.7491+130.1800/+30.7469+130.1600/+30.7450+130.1400/+30.7446+130.1200/+30.7442+130.1000/+30.7430+130.0800/+30.7425+130.0600/+30.7427+130.0400/+30.7422+130.0200/+30.7416+130.0000/+30.7400+129.9944/+30.7298+129.9800/+30.7293+129.9600/+30.7294+129.9400/+30.7302+129.9200/+30.7282+129.9000/+30.7270+129.8800/+30.7287+129.8600/+30.7311+129.8400/+30.7336+129.8200/+30.7371+129.8000/+30.7383+129.7800/+30.7400+129.7719/+30.7574+129.7600/+30.7600+129.7590/+30.7606+129.7600/+30.7698+129.7800/+30.7800+129.7887/+30.7872+129.8000/+30.7928+129.8200/+30.7970+129.8400/+30.8000+129.8538/+30.8015+129.8600/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8081+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3096/+30.7704+130.3000/+30.7766+130.2800/+30.7800+130.2755/+30.8000+130.2702/+30.8081+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T03:00:00+09:00 2026-10-17T06:00:00+09:00 降灰 70 +30.8073+130.1800/+30.8152+130.2000/+30.8183+130.2200/+30.8195+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8113+130.3200/+30.8000+130.3313/+30.7800+130.3250/+30.7750+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7600+130.2670/+30.7530+130.2600/+30.7417+130.2400/+30.7408+130.2200/+30.7406+130.2000/+30.7402+130.1800/+30.7400+130.1747/+30.7301+130.1600/+30.7246+130.1400/+30.7230+130.1200/+30.7218+130.1000/+30.7206+130.0800/+30.7200+130.0657/+30.7182+130.0600/+30.7093+130.0400/+30.7065+130.0200/+30.7000+130.0039/+30.6963+130.0000/+30.6935+129.9800/+30.6911+129.9600/+30.6894+129.9400/+30.6885+129.9200/+30.6888+129.9000/+30.6899+129.8800/+30.6896+129.8600/+30.6891+129.8400/+30.6911+129.8200/+30.6943+129.8000/+30.6915+129.7800/+30.6928+129.7600/+30.6962+129.7400/+30.7000+129.7278/+30.7200+129.7263/+30.7400+129.7246/+30.7487+129.7400/+30.7600+129.7600/+30.7658+129.7800/+30.7724+129.8000/+30.7755+129.8200/+30.7779+129.8400/+30.7800+129.8567/+30.7804+129.8600/+30.7824+129.8800/+30.7818+129.9000/+30.7880+129.9200/+30.7923+129.9400/+30.7960+129.9600/+30.7989+129.9800/+30.7937+130.0000/+30.7944+130.0200/+30.7952+130.0400/+30.7966+130.0600/+30.7977+130.0800/+30.7986+130.1000/+30.7992+130.1200/+30.7996+130.1400/+30.7999+130.1600/+30.8000+130.1650/+30.8073+130.1800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8111+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3149/+30.7651+130.3000/+30.7705+130.2800/+30.7800+130.2681/+30.8000+130.2667/+30.8111+130.2800/ 西 3 鹿児島県三島村 4630300 2026-10-17T06:00:00+09:00 2026-10-17T09:00:00+09:00 降灰 70 +30.8024+129.9800/+30.8000+129.9826/+30.7940+130.0000/+30.7953+130.0200/+30.7972+130.0400/+30.7983+130.0600/+30.7989+130.0800/+30.7994+130.1000/+30.7998+130.1200/+30.8000+130.1277/+30.8060+130.1400/+30.8124+130.1600/+30.8164+130.1800/+30.8184+130.2000/+30.8194+130.2200/+30.8198+130.2400/+30.8199+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8047+130.3200/+30.8000+130.3247/+30.7893+130.3200/+30.7800+130.3200/+30.7601+130.3000/+30.7600+130.2800/+30.7601+130.2600/+30.7600+130.2400/+30.7600+130.2367/+30.7452+130.2200/+30.7420+130.2000/+30.7413+130.1800/+30.7410+130.1600/+30.7408+130.1400/+30.7405+130.1200/+30.7400+130.1034/+30.7380+130.1000/+30.7295+130.0800/+30.7266+130.0600/+30.7247+130.0400/+30.7238+130.0200/+30.7202+130.0000/+30.7200+129.9977/+30.7127+129.9800/+30.7079+129.9600/+30.7046+129.9400/+30.7021+129.9200/+30.7000+129.9131/+30.6950+129.9000/+30.6943+129.8800/+30.6932+129.8600/+30.6922+129.8400/+30.6922+129.8200/+30.6922+129.8000/+30.6887+129.7800/+30.6900+129.7600/+30.6915+129.7400/+30.6933+129.7200/+30.6953+129.7000/+30.7000+129.6800/+30.7137+129.7000/+30.7200+129.7109/+30.7266+129.7200/+30.7400+129.7337/+30.7427+129.7400/+30.7564+129.7600/+30.7600+129.7638/+30.7665+129.7800/+30.7689+129.8000/+30.7760+129.8200/+30.7800+129.8367/+30.7806+129.8400/+30.7847+129.8600/+30.7875+129.8800/+30.7828+129.9000/+30.7876+129.9200/+30.7939+129.9400/+30.7982+129.9600/+30.8000+129.9705/+30.8024+129.9800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8122+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7800+130.3167/+30.7633+130.3000/+30.7711+130.2800/+30.7800+130.2681/+30.8000+130.2650/+30.8122+130.2800/ 西 3 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、１６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。 　１６日１５時から１７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 　１６日１５時から１８時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１６日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１６日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１７日０６時から０９時まで　西　　　　　　　６０ｋｍ　　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：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。