2026-07-04T05:00:00Z 通常 気象庁本庁 気象庁 2026-07-04T14:00:00+09:00 2026-07-04T15:00:00+09:00 2026-07-05T09:00:00+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、４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 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +30.9307+130.8200/+30.9299+130.8400/+30.9289+130.8600/+30.9277+130.8800/+30.9263+130.9000/+30.9258+130.9200/+30.9252+130.9400/+30.9243+130.9600/+30.9232+130.9800/+30.9218+131.0000/+30.9214+131.0200/+30.9209+131.0400/+30.9200+131.0496/+30.9189+131.0600/+30.9143+131.0800/+30.9076+131.1000/+30.9000+131.1161/+30.8961+131.1000/+30.8915+131.0800/+30.8875+131.0600/+30.8844+131.0400/+30.8820+131.0200/+30.8800+131.0027/+30.8797+131.0000/+30.8764+130.9800/+30.8732+130.9600/+30.8696+130.9400/+30.8654+130.9200/+30.8612+130.9000/+30.8600+130.8963/+30.8539+130.8800/+30.8472+130.8600/+30.8400+130.8412/+30.8396+130.8400/+30.8400+130.8394/+30.8447+130.8200/+30.8425+130.8000/+30.8406+130.7800/+30.8400+130.7740/+30.8364+130.7600/+30.8275+130.7400/+30.8309+130.7200/+30.8270+130.7000/+30.8224+130.6800/+30.8200+130.6674/+30.8179+130.6600/+30.8132+130.6400/+30.8101+130.6200/+30.8200+130.6095/+30.8226+130.6000/+30.8211+130.5800/+30.8202+130.5600/+30.8200+130.5548/+30.8133+130.5400/+30.8050+130.5200/+30.8021+130.5000/+30.8010+130.4800/+30.8004+130.4600/+30.8000+130.4440/+30.7967+130.4400/+30.7825+130.4200/+30.7805+130.4000/+30.7802+130.3800/+30.7801+130.3600/+30.7800+130.3586/+30.7615+130.3400/+30.7603+130.3200/+30.7616+130.3000/+30.7800+130.2816/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3044/+30.8356+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3800/+30.8400+130.3802/+30.8578+130.4000/+30.8592+130.4200/+30.8597+130.4400/+30.8600+130.4500/+30.8681+130.4600/+30.8757+130.4800/+30.8781+130.5000/+30.8791+130.5200/+30.8800+130.5359/+30.8826+130.5400/+30.8898+130.5600/+30.8936+130.5800/+30.8975+130.6000/+30.8994+130.6200/+30.9000+130.6302/+30.9039+130.6400/+30.9091+130.6600/+30.9123+130.6800/+30.9124+130.7000/+30.9159+130.7200/+30.9168+130.7400/+30.9179+130.7600/+30.9183+130.7800/+30.9187+130.8000/+30.9200+130.8033/+30.9307+130.8200/ 東 80 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/+30.8098+130.3400/+30.8000+130.3536/+30.7910+130.3400/+30.7812+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 2026-07-04T18:00:00+09:00 2026-07-04T21:00:00+09:00 降灰 70 +30.9089+130.7200/+30.9088+130.7400/+30.9088+130.7600/+30.9087+130.7800/+30.9085+130.8000/+30.9117+130.8200/+30.9100+130.8400/+30.9094+130.8600/+30.9101+130.8800/+30.9107+130.9000/+30.9125+130.9200/+30.9142+130.9400/+30.9148+130.9600/+30.9144+130.9800/+30.9140+131.0000/+30.9130+131.0200/+30.9120+131.0400/+30.9106+131.0600/+30.9088+131.0800/+30.9066+131.1000/+30.9035+131.1200/+30.9000+131.1390/+30.8960+131.1200/+30.8920+131.1000/+30.8884+131.0800/+30.8848+131.0600/+30.8805+131.0400/+30.8800+131.0381/+30.8742+131.0200/+30.8655+131.0000/+30.8600+130.9899/+30.8559+130.9800/+30.8478+130.9600/+30.8411+130.9400/+30.8400+130.9358/+30.8377+130.9200/+30.8352+130.9000/+30.8309+130.8800/+30.8274+130.8600/+30.8234+130.8400/+30.8228+130.8200/+30.8200+130.8078/+30.8185+130.8000/+30.8160+130.7800/+30.8140+130.7600/+30.8116+130.7400/+30.8143+130.7200/+30.8125+130.7000/+30.8097+130.6800/+30.8072+130.6600/+30.8052+130.6400/+30.8035+130.6200/+30.8109+130.6000/+30.8066+130.5800/+30.8036+130.5600/+30.8021+130.5400/+30.8012+130.5200/+30.8007+130.5000/+30.8002+130.4800/+30.8000+130.4767/+30.7872+130.4600/+30.7819+130.4400/+30.7806+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3622/+30.7778+130.3600/+30.7607+130.3400/+30.7602+130.3200/+30.7614+130.3000/+30.7800+130.2814/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3202/+30.8394+130.3400/+30.8398+130.3600/+30.8399+130.3800/+30.8399+130.4000/+30.8400+130.4028/+30.8552+130.4200/+30.8583+130.4400/+30.8590+130.4600/+30.8594+130.4800/+30.8599+130.5000/+30.8600+130.5026/+30.8697+130.5200/+30.8743+130.5400/+30.8768+130.5600/+30.8777+130.5800/+30.8782+130.6000/+30.8800+130.6054/+30.8932+130.6200/+30.8942+130.6400/+30.8946+130.6600/+30.8952+130.6800/+30.8960+130.7000/+30.9000+130.7096/+30.9089+130.7200/ 東 80 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/+30.8097+130.3400/+30.8000+130.3537/+30.7903+130.3400/+30.7812+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 2026-07-04T21:00:00+09:00 2026-07-05T00:00:00+09:00 降灰 70 +30.9005+130.7200/+30.9011+130.7400/+30.9017+130.7600/+30.9020+130.7800/+30.9024+130.8000/+30.9000+130.8113/+30.8970+130.8200/+30.8987+130.8400/+30.8998+130.8600/+30.8994+130.8800/+30.8988+130.9000/+30.8996+130.9200/+30.9000+130.9268/+30.9004+130.9400/+30.9011+130.9600/+30.9021+130.9800/+30.9030+131.0000/+30.9016+131.0200/+30.9001+131.0400/+30.9000+131.0414/+30.8997+131.0400/+30.8952+131.0200/+30.8877+131.0000/+30.8800+130.9850/+30.8712+130.9800/+30.8600+130.9773/+30.8493+130.9600/+30.8400+130.9451/+30.8387+130.9400/+30.8345+130.9200/+30.8311+130.9000/+30.8266+130.8800/+30.8231+130.8600/+30.8202+130.8400/+30.8200+130.8380/+30.8182+130.8200/+30.8157+130.8000/+30.8131+130.7800/+30.8112+130.7600/+30.8095+130.7400/+30.8099+130.7200/+30.8078+130.7000/+30.8053+130.6800/+30.8034+130.6600/+30.8017+130.6400/+30.8000+130.6275/+30.7972+130.6200/+30.8000+130.6169/+30.8034+130.6000/+30.8024+130.5800/+30.8013+130.5600/+30.8007+130.5400/+30.8000+130.5200/+30.8000+130.5195/+30.7925+130.5000/+30.7845+130.4800/+30.7819+130.4600/+30.7808+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3779/+30.7630+130.3600/+30.7603+130.3400/+30.7601+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3200/+30.8200+130.3223/+30.8377+130.3400/+30.8396+130.3600/+30.8398+130.3800/+30.8398+130.4000/+30.8398+130.4200/+30.8400+130.4312/+30.8478+130.4400/+30.8562+130.4600/+30.8581+130.4800/+30.8586+130.5000/+30.8591+130.5200/+30.8594+130.5400/+30.8600+130.5585/+30.8609+130.5600/+30.8691+130.5800/+30.8737+130.6000/+30.8800+130.6162/+30.8838+130.6200/+30.8866+130.6400/+30.8889+130.6600/+30.8902+130.6800/+30.8909+130.7000/+30.9000+130.7195/+30.9005+130.7200/ 東 70 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/+30.8073+130.3400/+30.8000+130.3504/+30.7927+130.3400/+30.7812+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 2026-07-05T00:00:00+09:00 2026-07-05T03:00:00+09:00 降灰 70 +30.8807+130.6600/+30.8818+130.6800/+30.8830+130.7000/+30.8805+130.7200/+30.8800+130.7288/+30.8798+130.7400/+30.8792+130.7600/+30.8787+130.7800/+30.8781+130.8000/+30.8800+130.8118/+30.8816+130.8200/+30.8800+130.8399/+30.8800+130.8400/+30.8777+130.8600/+30.8746+130.8800/+30.8705+130.9000/+30.8670+130.9200/+30.8627+130.9400/+30.8600+130.9537/+30.8400+130.9577/+30.8359+130.9400/+30.8301+130.9200/+30.8251+130.9000/+30.8203+130.8800/+30.8200+130.8784/+30.8167+130.8600/+30.8137+130.8400/+30.8097+130.8200/+30.8084+130.8000/+30.8068+130.7800/+30.8055+130.7600/+30.8036+130.7400/+30.8003+130.7200/+30.8000+130.7074/+30.7997+130.7000/+30.7955+130.6800/+30.7924+130.6600/+30.7900+130.6400/+30.7883+130.6200/+30.8000+130.6045/+30.8010+130.6000/+30.8004+130.5800/+30.8000+130.5676/+30.7975+130.5600/+30.7921+130.5400/+30.7876+130.5200/+30.7845+130.5000/+30.7826+130.4800/+30.7815+130.4600/+30.7808+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7800+130.3800/+30.7800+130.3795/+30.7623+130.3600/+30.7603+130.3400/+30.7601+130.3200/+30.7607+130.3000/+30.7800+130.2806/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3200/+30.8200+130.3207/+30.8389+130.3400/+30.8397+130.3600/+30.8398+130.3800/+30.8398+130.4000/+30.8400+130.4159/+30.8438+130.4200/+30.8548+130.4400/+30.8573+130.4600/+30.8581+130.4800/+30.8587+130.5000/+30.8592+130.5200/+30.8598+130.5400/+30.8600+130.5439/+30.8665+130.5600/+30.8716+130.5800/+30.8720+130.6000/+30.8793+130.6200/+30.8798+130.6400/+30.8800+130.6484/+30.8807+130.6600/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8002+130.3400/+30.8000+130.3403/+30.7998+130.3400/+30.7812+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 2026-07-05T03:00:00+09:00 2026-07-05T06:00:00+09:00 降灰 70 +30.9043+130.6200/+30.9091+130.6400/+30.9122+130.6600/+30.9136+130.6800/+30.9123+130.7000/+30.9133+130.7200/+30.9134+130.7400/+30.9134+130.7600/+30.9131+130.7800/+30.9126+130.8000/+30.9184+130.8200/+30.9154+130.8400/+30.9113+130.8600/+30.9060+130.8800/+30.9000+130.8980/+30.8800+130.8819/+30.8776+130.8800/+30.8600+130.8657/+30.8570+130.8600/+30.8485+130.8400/+30.8476+130.8200/+30.8457+130.8000/+30.8411+130.7800/+30.8400+130.7751/+30.8353+130.7600/+30.8315+130.7400/+30.8320+130.7200/+30.8278+130.7000/+30.8228+130.6800/+30.8200+130.6641/+30.8189+130.6600/+30.8144+130.6400/+30.8107+130.6200/+30.8200+130.6045/+30.8208+130.6000/+30.8200+130.5904/+30.8162+130.5800/+30.8128+130.5600/+30.8074+130.5400/+30.8038+130.5200/+30.8021+130.5000/+30.8008+130.4800/+30.8000+130.4607/+30.7996+130.4600/+30.7867+130.4400/+30.7822+130.4200/+30.7807+130.4000/+30.7802+130.3800/+30.7800+130.3600/+30.7800+130.3596/+30.7609+130.3400/+30.7602+130.3200/+30.7606+130.3000/+30.7800+130.2806/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3023/+30.8377+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3661/+30.8536+130.3800/+30.8586+130.4000/+30.8594+130.4200/+30.8600+130.4389/+30.8609+130.4400/+30.8738+130.4600/+30.8773+130.4800/+30.8787+130.5000/+30.8800+130.5169/+30.8821+130.5200/+30.8905+130.5400/+30.8933+130.5600/+30.8954+130.5800/+30.8993+130.6000/+30.9000+130.6086/+30.9043+130.6200/ 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+130.3398/+30.7814+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 2 鹿児島県三島村 4630300 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 +30.9601+130.7400/+30.9657+130.7600/+30.9718+130.7800/+30.9767+130.8000/+30.9757+130.8200/+30.9745+130.8400/+30.9737+130.8600/+30.9735+130.8800/+30.9732+130.9000/+30.9677+130.9200/+30.9600+130.9373/+30.9400+130.9300/+30.9361+130.9200/+30.9296+130.9000/+30.9260+130.8800/+30.9223+130.8600/+30.9200+130.8512/+30.9170+130.8400/+30.9097+130.8200/+30.9000+130.8065/+30.8978+130.8000/+30.8938+130.7800/+30.8905+130.7600/+30.8855+130.7400/+30.8813+130.7200/+30.8800+130.7160/+30.8737+130.7000/+30.8677+130.6800/+30.8632+130.6600/+30.8600+130.6438/+30.8585+130.6400/+30.8501+130.6200/+30.8600+130.6056/+30.8609+130.6000/+30.8600+130.5938/+30.8506+130.5800/+30.8446+130.5600/+30.8415+130.5400/+30.8400+130.5265/+30.8349+130.5200/+30.8248+130.5000/+30.8214+130.4800/+30.8202+130.4600/+30.8200+130.4576/+30.8047+130.4400/+30.8007+130.4200/+30.8001+130.4000/+30.8000+130.3991/+30.7816+130.3800/+30.7801+130.3600/+30.7800+130.3400/+30.7800+130.3399/+30.7604+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3005/+30.8395+130.3200/+30.8399+130.3400/+30.8400+130.3512/+30.8488+130.3600/+30.8594+130.3800/+30.8598+130.4000/+30.8600+130.4044/+30.8751+130.4200/+30.8789+130.4400/+30.8797+130.4600/+30.8800+130.4628/+30.8948+130.4800/+30.8982+130.5000/+30.8995+130.5200/+30.9000+130.5246/+30.9114+130.5400/+30.9171+130.5600/+30.9191+130.5800/+30.9200+130.5826/+30.9366+130.6000/+30.9391+130.6200/+30.9400+130.6260/+30.9447+130.6400/+30.9502+130.6600/+30.9539+130.6800/+30.9556+130.7000/+30.9577+130.7200/+30.9600+130.7397/+30.9601+130.7400/ 東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8000+130.3400/+30.7812+130.3200/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 北東 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、４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。 　４日１５時から５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 　０４日１５時から１８時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０４日１８時から２１時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０４日２１時から２４時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日００時から０３時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日０３時から０６時まで　東　　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０５日０６時から０９時まで　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。