2026-09-01T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-02T05:00:00+09:00 2026-09-02T06:00:00+09:00 2026-09-03T00:00:00+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０９時から１２時までは火口から西方向、２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 2026-09-02T06:00:00+09:00 2026-09-02T09:00:00+09:00 降灰 70 +30.9618+129.7400/+30.9639+129.7600/+30.9644+129.7800/+30.9649+129.8000/+30.9600+129.8187/+30.9597+129.8200/+30.9562+129.8400/+30.9521+129.8600/+30.9494+129.8800/+30.9471+129.9000/+30.9448+129.9200/+30.9400+129.9289/+30.9354+129.9400/+30.9317+129.9600/+30.9271+129.9800/+30.9214+130.0000/+30.9200+130.0040/+30.9139+130.0200/+30.9000+130.0331/+30.8988+130.0400/+30.8971+130.0600/+30.8943+130.0800/+30.8844+130.1000/+30.8800+130.1060/+30.8788+130.1200/+30.8775+130.1400/+30.8700+130.1600/+30.8600+130.1744/+30.8597+130.1800/+30.8588+130.2000/+30.8566+130.2200/+30.8400+130.2388/+30.8400+130.2400/+30.8398+130.2600/+30.8395+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8125+130.3200/+30.8000+130.3325/+30.7800+130.3228/+30.7772+130.3200/+30.7602+130.3000/+30.7603+130.2800/+30.7631+130.2600/+30.7800+130.2421/+30.7801+130.2400/+30.7803+130.2200/+30.7808+130.2000/+30.7823+130.1800/+30.7854+130.1600/+30.7933+130.1400/+30.8000+130.1278/+30.8005+130.1200/+30.8023+130.1000/+30.8057+130.0800/+30.8114+130.0600/+30.8165+130.0400/+30.8200+130.0334/+30.8225+130.0200/+30.8282+130.0000/+30.8279+129.9800/+30.8394+129.9600/+30.8400+129.9590/+30.8444+129.9400/+30.8500+129.9200/+30.8548+129.9000/+30.8592+129.8800/+30.8600+129.8775/+30.8677+129.8600/+30.8800+129.8438/+30.8830+129.8400/+30.8887+129.8200/+30.8951+129.8000/+30.9000+129.7880/+30.9124+129.7800/+30.9200+129.7738/+30.9301+129.7600/+30.9377+129.7400/+30.9400+129.7327/+30.9600+129.7313/+30.9618+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8116+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7891+130.2800/+30.8000+130.2667/+30.8116+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T09:00:00+09:00 2026-09-02T12:00:00+09:00 降灰 70 +30.9214+129.7400/+30.9239+129.7600/+30.9258+129.7800/+30.9274+129.8000/+30.9271+129.8200/+30.9267+129.8400/+30.9248+129.8600/+30.9227+129.8800/+30.9200+129.8908/+30.9190+129.9000/+30.9186+129.9200/+30.9165+129.9400/+30.9137+129.9600/+30.9099+129.9800/+30.9024+130.0000/+30.9000+130.0026/+30.8962+130.0200/+30.8932+130.0400/+30.8849+130.0600/+30.8800+130.0666/+30.8784+130.0800/+30.8768+130.1000/+30.8738+130.1200/+30.8600+130.1394/+30.8599+130.1400/+30.8591+130.1600/+30.8585+130.1800/+30.8554+130.2000/+30.8400+130.2175/+30.8399+130.2200/+30.8398+130.2400/+30.8397+130.2600/+30.8385+130.2800/+30.8200+130.2985/+30.8199+130.3000/+30.8081+130.3200/+30.8000+130.3281/+30.7855+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7602+130.2800/+30.7618+130.2600/+30.7800+130.2403/+30.7800+130.2400/+30.7802+130.2200/+30.7805+130.2000/+30.7812+130.1800/+30.7829+130.1600/+30.7861+130.1400/+30.7919+130.1200/+30.8000+130.1025/+30.8002+130.1000/+30.8015+130.0800/+30.8025+130.0600/+30.8053+130.0400/+30.8088+130.0200/+30.8148+130.0000/+30.8092+129.9800/+30.8150+129.9600/+30.8200+129.9462/+30.8217+129.9400/+30.8272+129.9200/+30.8343+129.9000/+30.8377+129.8800/+30.8400+129.8724/+30.8420+129.8600/+30.8457+129.8400/+30.8499+129.8200/+30.8548+129.8000/+30.8600+129.7850/+30.8634+129.7800/+30.8694+129.7600/+30.8751+129.7400/+30.8800+129.7222/+30.8806+129.7200/+30.8866+129.7000/+30.8946+129.6800/+30.9000+129.6687/+30.9064+129.6800/+30.9142+129.7000/+30.9183+129.7200/+30.9200+129.7302/+30.9214+129.7400/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8135+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7865+130.2800/+30.8000+130.2635/+30.8135+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T12:00:00+09:00 2026-09-02T15:00:00+09:00 降灰 70 +30.9034+129.6200/+30.9064+129.6400/+30.9074+129.6600/+30.9071+129.6800/+30.9067+129.7000/+30.9053+129.7200/+30.9039+129.7400/+30.9021+129.7600/+30.9000+129.7790/+30.8999+129.7800/+30.9000+129.7803/+30.9049+129.8000/+30.9007+129.8200/+30.9000+129.8263/+30.8983+129.8400/+30.8960+129.8600/+30.8934+129.8800/+30.8919+129.9000/+30.8843+129.9200/+30.8816+129.9400/+30.8800+129.9488/+30.8792+129.9600/+30.8778+129.9800/+30.8764+130.0000/+30.8600+130.0180/+30.8594+130.0200/+30.8588+130.0400/+30.8579+130.0600/+30.8571+130.0800/+30.8555+130.1000/+30.8525+130.1200/+30.8435+130.1400/+30.8400+130.1451/+30.8397+130.1600/+30.8395+130.1800/+30.8395+130.2000/+30.8393+130.2200/+30.8388+130.2400/+30.8349+130.2600/+30.8200+130.2763/+30.8200+130.2800/+30.8199+130.3000/+30.8012+130.3200/+30.8000+130.3212/+30.7977+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7610+130.2400/+30.7629+130.2200/+30.7680+130.2000/+30.7748+130.1800/+30.7800+130.1676/+30.7801+130.1600/+30.7804+130.1400/+30.7809+130.1200/+30.7815+130.1000/+30.7829+130.0800/+30.7837+130.0600/+30.7849+130.0400/+30.7876+130.0200/+30.7922+130.0000/+30.7869+129.9800/+30.7884+129.9600/+30.7911+129.9400/+30.7973+129.9200/+30.8000+129.9112/+30.8023+129.9000/+30.8059+129.8800/+30.8078+129.8600/+30.8101+129.8400/+30.8116+129.8200/+30.8135+129.8000/+30.8175+129.7800/+30.8200+129.7681/+30.8219+129.7600/+30.8270+129.7400/+30.8328+129.7200/+30.8400+129.7009/+30.8408+129.7000/+30.8500+129.6800/+30.8588+129.6600/+30.8600+129.6577/+30.8787+129.6400/+30.8800+129.6386/+30.8928+129.6200/+30.9000+129.6034/+30.9034+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8138+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7862+130.2800/+30.8000+130.2631/+30.8138+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T15:00:00+09:00 2026-09-02T18:00:00+09:00 降灰 70 +30.8641+129.5800/+30.8694+129.6000/+30.8729+129.6200/+30.8753+129.6400/+30.8769+129.6600/+30.8779+129.6800/+30.8788+129.7000/+30.8793+129.7200/+30.8797+129.7400/+30.8796+129.7600/+30.8790+129.7800/+30.8711+129.8000/+30.8706+129.8200/+30.8701+129.8400/+30.8703+129.8600/+30.8705+129.8800/+30.8672+129.9000/+30.8663+129.9200/+30.8652+129.9400/+30.8642+129.9600/+30.8632+129.9800/+30.8615+130.0000/+30.8600+130.0015/+30.8484+130.0200/+30.8455+130.0400/+30.8400+130.0513/+30.8395+130.0600/+30.8392+130.0800/+30.8387+130.1000/+30.8385+130.1200/+30.8383+130.1400/+30.8381+130.1600/+30.8377+130.1800/+30.8368+130.2000/+30.8340+130.2200/+30.8200+130.2388/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7602+130.2400/+30.7604+130.2200/+30.7607+130.2000/+30.7611+130.1800/+30.7618+130.1600/+30.7627+130.1400/+30.7642+130.1200/+30.7661+130.1000/+30.7677+130.0800/+30.7691+130.0600/+30.7748+130.0400/+30.7786+130.0200/+30.7794+130.0000/+30.7663+129.9800/+30.7709+129.9600/+30.7767+129.9400/+30.7800+129.9289/+30.7806+129.9200/+30.7817+129.9000/+30.7800+129.8942/+30.7721+129.8800/+30.7745+129.8600/+30.7778+129.8400/+30.7800+129.8263/+30.7812+129.8200/+30.7861+129.8000/+30.7869+129.7800/+30.7931+129.7600/+30.8000+129.7408/+30.8003+129.7400/+30.8064+129.7200/+30.8122+129.7000/+30.8168+129.6800/+30.8200+129.6666/+30.8216+129.6600/+30.8264+129.6400/+30.8312+129.6200/+30.8366+129.6000/+30.8400+129.5871/+30.8491+129.5800/+30.8600+129.5696/+30.8641+129.5800/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8153+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7847+130.2800/+30.8000+130.2606/+30.8153+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-02T18:00:00+09:00 2026-09-02T21:00:00+09:00 降灰 70 +30.8208+129.6400/+30.8218+129.6600/+30.8226+129.6800/+30.8233+129.7000/+30.8257+129.7200/+30.8277+129.7400/+30.8293+129.7600/+30.8305+129.7800/+30.8268+129.8000/+30.8288+129.8200/+30.8303+129.8400/+30.8310+129.8600/+30.8316+129.8800/+30.8291+129.9000/+30.8302+129.9200/+30.8308+129.9400/+30.8316+129.9600/+30.8327+129.9800/+30.8200+129.9956/+30.8188+130.0000/+30.8188+130.0200/+30.8185+130.0400/+30.8188+130.0600/+30.8189+130.0800/+30.8188+130.1000/+30.8190+130.1200/+30.8192+130.1400/+30.8194+130.1600/+30.8196+130.1800/+30.8197+130.2000/+30.8198+130.2200/+30.8199+130.2400/+30.8199+130.2600/+30.8199+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7601+130.2200/+30.7601+130.2000/+30.7600+130.1800/+30.7600+130.1787/+30.7493+130.1600/+30.7470+130.1400/+30.7448+130.1200/+30.7438+130.1000/+30.7437+130.0800/+30.7436+130.0600/+30.7437+130.0400/+30.7435+130.0200/+30.7439+130.0000/+30.7400+129.9861/+30.7346+129.9800/+30.7353+129.9600/+30.7360+129.9400/+30.7368+129.9200/+30.7367+129.9000/+30.7304+129.8800/+30.7314+129.8600/+30.7325+129.8400/+30.7341+129.8200/+30.7360+129.8000/+30.7336+129.7800/+30.7367+129.7600/+30.7400+129.7430/+30.7408+129.7400/+30.7467+129.7200/+30.7538+129.7000/+30.7540+129.6800/+30.7542+129.6600/+30.7580+129.6400/+30.7600+129.6348/+30.7661+129.6200/+30.7736+129.6000/+30.7779+129.5800/+30.7800+129.5715/+30.7832+129.5600/+30.7894+129.5400/+30.7968+129.5200/+30.8000+129.5129/+30.8020+129.5200/+30.8069+129.5400/+30.8111+129.5600/+30.8147+129.5800/+30.8177+129.6000/+30.8194+129.6200/+30.8200+129.6285/+30.8208+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8038+130.2600/+30.8162+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7800+130.2809/+30.7791+130.2800/+30.7800+130.2746/+30.7870+130.2600/+30.8000+130.2541/+30.8038+130.2600/ 西 4 鹿児島県三島村 4630300 2026-09-02T21:00:00+09:00 2026-09-03T00:00:00+09:00 降灰 70 +30.8216+129.6400/+30.8241+129.6600/+30.8264+129.6800/+30.8285+129.7000/+30.8300+129.7200/+30.8313+129.7400/+30.8325+129.7600/+30.8336+129.7800/+30.8295+129.8000/+30.8292+129.8200/+30.8290+129.8400/+30.8303+129.8600/+30.8313+129.8800/+30.8288+129.9000/+30.8300+129.9200/+30.8312+129.9400/+30.8325+129.9600/+30.8337+129.9800/+30.8200+129.9968/+30.8193+130.0000/+30.8193+130.0200/+30.8193+130.0400/+30.8196+130.0600/+30.8197+130.0800/+30.8199+130.1000/+30.8199+130.1200/+30.8199+130.1400/+30.8200+130.1514/+30.8236+130.1600/+30.8200+130.1799/+30.8200+130.1800/+30.8200+130.2000/+30.8199+130.2200/+30.8200+130.2400/+30.8200+130.2600/+30.8200+130.2800/+30.8199+130.3000/+30.8042+130.3200/+30.8000+130.3242/+30.7911+130.3200/+30.7800+130.3199/+30.7602+130.3000/+30.7601+130.2800/+30.7601+130.2600/+30.7601+130.2400/+30.7602+130.2200/+30.7603+130.2000/+30.7603+130.1800/+30.7604+130.1600/+30.7605+130.1400/+30.7605+130.1200/+30.7605+130.1000/+30.7604+130.0800/+30.7602+130.0600/+30.7600+130.0506/+30.7557+130.0400/+30.7515+130.0200/+30.7494+130.0000/+30.7418+129.9800/+30.7420+129.9600/+30.7422+129.9400/+30.7423+129.9200/+30.7430+129.9000/+30.7400+129.8906/+30.7344+129.8800/+30.7357+129.8600/+30.7373+129.8400/+30.7381+129.8200/+30.7391+129.8000/+30.7387+129.7800/+30.7400+129.7696/+30.7412+129.7600/+30.7443+129.7400/+30.7484+129.7200/+30.7531+129.7000/+30.7555+129.6800/+30.7583+129.6600/+30.7600+129.6519/+30.7625+129.6400/+30.7681+129.6200/+30.7743+129.6000/+30.7782+129.5800/+30.7800+129.5718/+30.7830+129.5600/+30.7888+129.5400/+30.7963+129.5200/+30.8000+129.5121/+30.8019+129.5200/+30.8062+129.5400/+30.8100+129.5600/+30.8132+129.5800/+30.8160+129.6000/+30.8191+129.6200/+30.8200+129.6270/+30.8216+129.6400/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8012+130.2600/+30.8159+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7823+130.2800/+30.7978+130.2600/+30.8000+130.2581/+30.8012+130.2600/ 西 4 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０９時から１２時までは火口から西方向、２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。 　２日６時から２日２４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０６時から０９時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日０９時から１２時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０２日１２時から１５時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０２日１８時から２１時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０２日２１時から２４時まで　西　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　 　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。