2026-07-02T02:00:00Z 通常 気象庁本庁 気象庁 2026-07-02T11:00:00+09:00 2026-07-02T12:00:00+09:00 2026-07-03T06:00:00+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、２日２１時から２４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 鹿児島県西之表市 4621300 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 鹿児島県西之表市 4621300 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 2026-07-02T12:00:00+09:00 2026-07-02T15:00:00+09:00 降灰 70 +30.8491+130.7400/+30.8501+130.7600/+30.8497+130.7800/+30.8493+130.8000/+30.8490+130.8200/+30.8440+130.8400/+30.8424+130.8600/+30.8419+130.8800/+30.8413+130.9000/+30.8430+130.9200/+30.8449+130.9400/+30.8474+130.9600/+30.8507+130.9800/+30.8557+131.0000/+30.8504+131.0200/+30.8401+131.0400/+30.8400+131.0402/+30.8400+131.0400/+30.8348+131.0200/+30.8270+131.0000/+30.8200+130.9822/+30.8183+130.9800/+30.8000+130.9696/+30.7965+130.9600/+30.7915+130.9400/+30.7882+130.9200/+30.7854+130.9000/+30.7802+130.8800/+30.7800+130.8791/+30.7761+130.8600/+30.7721+130.8400/+30.7716+130.8200/+30.7693+130.8000/+30.7681+130.7800/+30.7671+130.7600/+30.7654+130.7400/+30.7624+130.7200/+30.7613+130.7000/+30.7600+130.6827/+30.7597+130.6800/+30.7570+130.6600/+30.7546+130.6400/+30.7518+130.6200/+30.7600+130.6102/+30.7632+130.6000/+30.7630+130.5800/+30.7628+130.5600/+30.7622+130.5400/+30.7615+130.5200/+30.7615+130.5000/+30.7611+130.4800/+30.7609+130.4600/+30.7608+130.4400/+30.7606+130.4200/+30.7604+130.4000/+30.7602+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8199+130.3800/+30.8200+130.4000/+30.8200+130.4024/+30.8296+130.4200/+30.8334+130.4400/+30.8346+130.4600/+30.8352+130.4800/+30.8360+130.5000/+30.8358+130.5200/+30.8359+130.5400/+30.8365+130.5600/+30.8359+130.5800/+30.8360+130.6000/+30.8383+130.6200/+30.8383+130.6400/+30.8382+130.6600/+30.8383+130.6800/+30.8386+130.7000/+30.8388+130.7200/+30.8400+130.7274/+30.8491+130.7400/ 東 70 鹿児島県西之表市 4621300 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8113+130.3400/+30.8000+130.3562/+30.7869+130.3400/+30.7808+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-02T15:00:00+09:00 2026-07-02T18:00:00+09:00 降灰 70 +30.8224+130.4600/+30.8242+130.4800/+30.8273+130.5000/+30.8292+130.5200/+30.8285+130.5400/+30.8304+130.5600/+30.8287+130.5800/+30.8272+130.6000/+30.8355+130.6200/+30.8350+130.6400/+30.8348+130.6600/+30.8345+130.6800/+30.8339+130.7000/+30.8335+130.7200/+30.8338+130.7400/+30.8330+130.7600/+30.8319+130.7800/+30.8305+130.8000/+30.8286+130.8200/+30.8292+130.8400/+30.8275+130.8600/+30.8264+130.8800/+30.8252+130.9000/+30.8253+130.9200/+30.8254+130.9400/+30.8249+130.9600/+30.8235+130.9800/+30.8217+131.0000/+30.8200+131.0071/+30.8163+131.0200/+30.8082+131.0400/+30.8000+131.0577/+30.7947+131.0400/+30.7879+131.0200/+30.7825+131.0000/+30.7800+130.9858/+30.7790+130.9800/+30.7758+130.9600/+30.7741+130.9400/+30.7739+130.9200/+30.7736+130.9000/+30.7710+130.8800/+30.7687+130.8600/+30.7660+130.8400/+30.7644+130.8200/+30.7619+130.8000/+30.7600+130.7872/+30.7580+130.7800/+30.7533+130.7600/+30.7535+130.7400/+30.7499+130.7200/+30.7513+130.7000/+30.7508+130.6800/+30.7503+130.6600/+30.7497+130.6400/+30.7483+130.6200/+30.7600+130.6072/+30.7621+130.6000/+30.7621+130.5800/+30.7619+130.5600/+30.7618+130.5400/+30.7616+130.5200/+30.7612+130.5000/+30.7611+130.4800/+30.7609+130.4600/+30.7608+130.4400/+30.7606+130.4200/+30.7604+130.4000/+30.7602+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7608+130.3000/+30.7800+130.2808/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8199+130.3800/+30.8199+130.4000/+30.8199+130.4200/+30.8199+130.4400/+30.8200+130.4523/+30.8224+130.4600/ 東 70 鹿児島県西之表市 4621300 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8109+130.3400/+30.8000+130.3569/+30.7882+130.3400/+30.7810+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-02T18:00:00+09:00 2026-07-02T21:00:00+09:00 降灰 70 +30.8263+130.6200/+30.8241+130.6400/+30.8220+130.6600/+30.8200+130.6733/+30.8193+130.6800/+30.8169+130.7000/+30.8156+130.7200/+30.8200+130.7388/+30.8204+130.7400/+30.8200+130.7426/+30.8169+130.7600/+30.8145+130.7800/+30.8116+130.8000/+30.8102+130.8200/+30.8095+130.8400/+30.8051+130.8600/+30.8000+130.8763/+30.7945+130.8800/+30.7800+130.8917/+30.7716+130.9000/+30.7650+130.9200/+30.7600+130.9318/+30.7568+130.9200/+30.7515+130.9000/+30.7424+130.8800/+30.7400+130.8733/+30.7382+130.8600/+30.7359+130.8400/+30.7372+130.8200/+30.7366+130.8000/+30.7367+130.7800/+30.7368+130.7600/+30.7348+130.7400/+30.7331+130.7200/+30.7361+130.7000/+30.7400+130.6848/+30.7408+130.6800/+30.7418+130.6600/+30.7407+130.6400/+30.7411+130.6200/+30.7472+130.6000/+30.7483+130.5800/+30.7481+130.5600/+30.7498+130.5400/+30.7498+130.5200/+30.7515+130.5000/+30.7517+130.4800/+30.7522+130.4600/+30.7578+130.4400/+30.7600+130.4357/+30.7602+130.4200/+30.7602+130.4000/+30.7602+130.3800/+30.7601+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7605+130.3000/+30.7800+130.2805/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8198+130.3800/+30.8197+130.4000/+30.8196+130.4200/+30.8195+130.4400/+30.8193+130.4600/+30.8192+130.4800/+30.8190+130.5000/+30.8187+130.5200/+30.8184+130.5400/+30.8180+130.5600/+30.8178+130.5800/+30.8166+130.6000/+30.8200+130.6130/+30.8263+130.6200/ 東 60 鹿児島県西之表市 4621300 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8072+130.3400/+30.8000+130.3507/+30.7915+130.3400/+30.7808+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-02T21:00:00+09:00 2026-07-03T00:00:00+09:00 降灰 70 +30.8285+130.4000/+30.8327+130.4200/+30.8340+130.4400/+30.8349+130.4600/+30.8346+130.4800/+30.8340+130.5000/+30.8341+130.5200/+30.8342+130.5400/+30.8352+130.5600/+30.8350+130.5800/+30.8335+130.6000/+30.8361+130.6200/+30.8353+130.6400/+30.8355+130.6600/+30.8348+130.6800/+30.8326+130.7000/+30.8321+130.7200/+30.8316+130.7400/+30.8311+130.7600/+30.8282+130.7800/+30.8240+130.8000/+30.8200+130.8191/+30.8198+130.8200/+30.8122+130.8400/+30.8057+130.8600/+30.8000+130.8758/+30.7946+130.8600/+30.7880+130.8400/+30.7800+130.8201/+30.7800+130.8200/+30.7748+130.8000/+30.7715+130.7800/+30.7692+130.7600/+30.7664+130.7400/+30.7613+130.7200/+30.7601+130.7000/+30.7600+130.6995/+30.7563+130.6800/+30.7544+130.6600/+30.7538+130.6400/+30.7518+130.6200/+30.7600+130.6059/+30.7613+130.6000/+30.7611+130.5800/+30.7604+130.5600/+30.7601+130.5400/+30.7603+130.5200/+30.7604+130.5000/+30.7600+130.4932/+30.7547+130.4800/+30.7529+130.4600/+30.7580+130.4400/+30.7580+130.4200/+30.7577+130.4000/+30.7600+130.3951/+30.7601+130.3800/+30.7602+130.3600/+30.7601+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3200/+30.8200+130.3400/+30.8199+130.3600/+30.8200+130.3800/+30.8200+130.3815/+30.8285+130.4000/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8063+130.3400/+30.8000+130.3481/+30.7927+130.3400/+30.7808+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-03T00:00:00+09:00 2026-07-03T03:00:00+09:00 降灰 70 +30.8287+130.3800/+30.8339+130.4000/+30.8350+130.4200/+30.8362+130.4400/+30.8365+130.4600/+30.8365+130.4800/+30.8365+130.5000/+30.8359+130.5200/+30.8362+130.5400/+30.8363+130.5600/+30.8369+130.5800/+30.8369+130.6000/+30.8380+130.6200/+30.8372+130.6400/+30.8374+130.6600/+30.8370+130.6800/+30.8357+130.7000/+30.8370+130.7200/+30.8376+130.7400/+30.8363+130.7600/+30.8338+130.7800/+30.8300+130.8000/+30.8249+130.8200/+30.8200+130.8290/+30.8122+130.8400/+30.8048+130.8600/+30.8000+130.8765/+30.7969+130.8600/+30.7915+130.8400/+30.7848+130.8200/+30.7807+130.8000/+30.7800+130.7970/+30.7766+130.7800/+30.7736+130.7600/+30.7710+130.7400/+30.7685+130.7200/+30.7681+130.7000/+30.7659+130.6800/+30.7640+130.6600/+30.7623+130.6400/+30.7600+130.6206/+30.7599+130.6200/+30.7600+130.6199/+30.7664+130.6000/+30.7682+130.5800/+30.7660+130.5600/+30.7655+130.5400/+30.7634+130.5200/+30.7632+130.5000/+30.7625+130.4800/+30.7621+130.4600/+30.7613+130.4400/+30.7609+130.4200/+30.7608+130.4000/+30.7605+130.3800/+30.7603+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+130.3600/+30.8200+130.3670/+30.8287+130.3800/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8060+130.3400/+30.8000+130.3480/+30.7935+130.3400/+30.7809+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 3 鹿児島県三島村 4630300 2026-07-03T03:00:00+09:00 2026-07-03T06:00:00+09:00 降灰 70 +30.8257+130.6200/+30.8233+130.6400/+30.8209+130.6600/+30.8200+130.6697/+30.8193+130.6800/+30.8188+130.7000/+30.8157+130.7200/+30.8176+130.7400/+30.8132+130.7600/+30.8117+130.7800/+30.8100+130.8000/+30.8075+130.8200/+30.8026+130.8400/+30.8000+130.8492/+30.7800+130.8477/+30.7600+130.8456/+30.7576+130.8400/+30.7446+130.8200/+30.7417+130.8000/+30.7403+130.7800/+30.7400+130.7752/+30.7391+130.7600/+30.7372+130.7400/+30.7357+130.7200/+30.7379+130.7000/+30.7392+130.6800/+30.7386+130.6600/+30.7366+130.6400/+30.7366+130.6200/+30.7400+130.6155/+30.7444+130.6000/+30.7458+130.5800/+30.7460+130.5600/+30.7463+130.5400/+30.7477+130.5200/+30.7493+130.5000/+30.7491+130.4800/+30.7526+130.4600/+30.7569+130.4400/+30.7600+130.4320/+30.7601+130.4200/+30.7602+130.4000/+30.7602+130.3800/+30.7602+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/+30.8199+130.3600/+30.8198+130.3800/+30.8198+130.4000/+30.8197+130.4200/+30.8195+130.4400/+30.8196+130.4600/+30.8194+130.4800/+30.8193+130.5000/+30.8191+130.5200/+30.8186+130.5400/+30.8186+130.5600/+30.8185+130.5800/+30.8173+130.6000/+30.8200+130.6116/+30.8257+130.6200/ 東 50 鹿児島県西之表市 4621300 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8058+130.3400/+30.8000+130.3473/+30.7919+130.3400/+30.7800+130.3229/+30.7781+130.3200/+30.7800+130.3181/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 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、２日２１時から２４時までは火口から東方向に降灰が予想されます。 　２日１２時から３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 　０２日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日２１時から２４時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０３日００時から０３時まで　東　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　０３日０３時から０６時まで　東　　　　　　　５０ｋｍ　　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：西之表市、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。