2026-07-04T20:00:00Z 通常 気象庁本庁 気象庁 2026-07-05T05:00:00+09:00 2026-07-05T06:00:00+09:00 2026-07-06T00:00:00+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、５日０９時から１２時までは火口から東方向、５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 2026-07-05T06:00:00+09:00 2026-07-05T09:00:00+09:00 降灰 70 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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/+30.8112+130.3400/+30.8000+130.3507/+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 2026-07-05T09:00:00+09:00 2026-07-05T12:00:00+09:00 降灰 70 +30.9623+130.8000/+30.9623+130.8200/+30.9622+130.8400/+30.9625+130.8600/+30.9633+130.8800/+30.9641+130.9000/+30.9646+130.9200/+30.9652+130.9400/+30.9649+130.9600/+30.9633+130.9800/+30.9614+131.0000/+30.9600+131.0081/+30.9400+131.0197/+30.9311+131.0000/+30.9248+130.9800/+30.9200+130.9640/+30.9188+130.9600/+30.9112+130.9400/+30.9000+130.9231/+30.8990+130.9200/+30.8936+130.9000/+30.8846+130.8800/+30.8800+130.8671/+30.8778+130.8600/+30.8712+130.8400/+30.8645+130.8200/+30.8600+130.8021/+30.8596+130.8000/+30.8551+130.7800/+30.8518+130.7600/+30.8489+130.7400/+30.8478+130.7200/+30.8452+130.7000/+30.8410+130.6800/+30.8400+130.6732/+30.8342+130.6600/+30.8286+130.6400/+30.8219+130.6200/+30.8265+130.6000/+30.8236+130.5800/+30.8216+130.5600/+30.8200+130.5449/+30.8170+130.5400/+30.8086+130.5200/+30.8042+130.5000/+30.8021+130.4800/+30.8007+130.4600/+30.8000+130.4417/+30.7986+130.4400/+30.7842+130.4200/+30.7810+130.4000/+30.7803+130.3800/+30.7801+130.3600/+30.7800+130.3584/+30.7619+130.3400/+30.7603+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3018/+30.8382+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3622/+30.8573+130.3800/+30.8594+130.4000/+30.8598+130.4200/+30.8600+130.4234/+30.8746+130.4400/+30.8782+130.4600/+30.8793+130.4800/+30.8800+130.4889/+30.8884+130.5000/+30.8956+130.5200/+30.8980+130.5400/+30.9000+130.5600/+30.9000+130.5602/+30.9105+130.5800/+30.9200+130.5948/+30.9253+130.6000/+30.9289+130.6200/+30.9319+130.6400/+30.9349+130.6600/+30.9378+130.6800/+30.9400+130.6859/+30.9470+130.7000/+30.9484+130.7200/+30.9501+130.7400/+30.9518+130.7600/+30.9534+130.7800/+30.9600+130.7973/+30.9623+130.8000/ 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/+30.8124+130.3400/+30.8000+130.3551/+30.7900+130.3400/+30.7800+130.3319/+30.7681+130.3200/+30.7800+130.3081/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 3 鹿児島県三島村 4630300 2026-07-05T12:00:00+09:00 2026-07-05T15:00:00+09:00 降灰 70 +30.8843+130.6200/+30.8849+130.6400/+30.8843+130.6600/+30.8847+130.6800/+30.8861+130.7000/+30.8889+130.7200/+30.8878+130.7400/+30.8865+130.7600/+30.8855+130.7800/+30.8844+130.8000/+30.8858+130.8200/+30.8842+130.8400/+30.8822+130.8600/+30.8800+130.8786/+30.8798+130.8800/+30.8768+130.9000/+30.8758+130.9200/+30.8748+130.9400/+30.8728+130.9600/+30.8692+130.9800/+30.8644+131.0000/+30.8604+131.0200/+30.8600+131.0216/+30.8400+131.0325/+30.8363+131.0200/+30.8317+131.0000/+30.8250+130.9800/+30.8200+130.9620/+30.8195+130.9600/+30.8169+130.9400/+30.8163+130.9200/+30.8157+130.9000/+30.8118+130.8800/+30.8086+130.8600/+30.8065+130.8400/+30.8059+130.8200/+30.8059+130.8000/+30.8049+130.7800/+30.8041+130.7600/+30.8026+130.7400/+30.8000+130.7224/+30.7994+130.7200/+30.7981+130.7000/+30.7956+130.6800/+30.7931+130.6600/+30.7908+130.6400/+30.7891+130.6200/+30.8000+130.6070/+30.8017+130.6000/+30.8010+130.5800/+30.8006+130.5600/+30.8002+130.5400/+30.8000+130.5332/+30.7942+130.5200/+30.7882+130.5000/+30.7838+130.4800/+30.7820+130.4600/+30.7810+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3667/+30.7734+130.3600/+30.7605+130.3400/+30.7602+130.3200/+30.7612+130.3000/+30.7800+130.2812/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3200/+30.8200+130.3201/+30.8394+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4040/+30.8532+130.4200/+30.8572+130.4400/+30.8583+130.4600/+30.8589+130.4800/+30.8597+130.5000/+30.8600+130.5080/+30.8654+130.5200/+30.8695+130.5400/+30.8729+130.5600/+30.8735+130.5800/+30.8756+130.6000/+30.8800+130.6147/+30.8843+130.6200/ 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/+30.8076+130.3400/+30.8000+130.3511/+30.7800+130.3466/+30.7734+130.3400/+30.7700+130.3200/+30.7800+130.3100/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 4 鹿児島県三島村 4630300 2026-07-05T15:00:00+09:00 2026-07-05T18:00:00+09:00 降灰 70 +30.8855+130.6200/+30.8865+130.6400/+30.8870+130.6600/+30.8868+130.6800/+30.8860+130.7000/+30.8858+130.7200/+30.8838+130.7400/+30.8817+130.7600/+30.8801+130.7800/+30.8800+130.7817/+30.8793+130.8000/+30.8800+130.8037/+30.8838+130.8200/+30.8823+130.8400/+30.8806+130.8600/+30.8800+130.8657/+30.8785+130.8800/+30.8760+130.9000/+30.8731+130.9200/+30.8695+130.9400/+30.8661+130.9600/+30.8634+130.9800/+30.8604+131.0000/+30.8600+131.0021/+30.8400+131.0157/+30.8363+131.0000/+30.8330+130.9800/+30.8304+130.9600/+30.8266+130.9400/+30.8221+130.9200/+30.8200+130.9085/+30.8186+130.9000/+30.8154+130.8800/+30.8126+130.8600/+30.8108+130.8400/+30.8091+130.8200/+30.8089+130.8000/+30.8077+130.7800/+30.8066+130.7600/+30.8055+130.7400/+30.8042+130.7200/+30.8036+130.7000/+30.8014+130.6800/+30.8000+130.6618/+30.7997+130.6600/+30.7969+130.6400/+30.7938+130.6200/+30.8000+130.6133/+30.8032+130.6000/+30.8023+130.5800/+30.8015+130.5600/+30.8010+130.5400/+30.8004+130.5200/+30.8000+130.5013/+30.7994+130.5000/+30.7902+130.4800/+30.7839+130.4600/+30.7816+130.4400/+30.7806+130.4200/+30.7803+130.4000/+30.7801+130.3800/+30.7800+130.3600/+30.7800+130.3597/+30.7607+130.3400/+30.7602+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3200/+30.8200+130.3201/+30.8395+130.3400/+30.8398+130.3600/+30.8398+130.3800/+30.8399+130.4000/+30.8400+130.4038/+30.8544+130.4200/+30.8577+130.4400/+30.8587+130.4600/+30.8590+130.4800/+30.8594+130.5000/+30.8600+130.5162/+30.8623+130.5200/+30.8681+130.5400/+30.8723+130.5600/+30.8748+130.5800/+30.8752+130.6000/+30.8800+130.6140/+30.8855+130.6200/ 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/+30.8049+130.3400/+30.8000+130.3471/+30.7951+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 2026-07-05T18:00:00+09:00 2026-07-05T21:00:00+09:00 降灰 70 +30.9200+130.7600/+30.9244+130.7800/+30.9279+130.8000/+30.9297+130.8200/+30.9290+130.8400/+30.9279+130.8600/+30.9265+130.8800/+30.9246+130.9000/+30.9211+130.9200/+30.9200+130.9251/+30.9158+130.9400/+30.9086+130.9600/+30.9000+130.9783/+30.8940+130.9600/+30.8872+130.9400/+30.8805+130.9200/+30.8800+130.9182/+30.8750+130.9000/+30.8707+130.8800/+30.8668+130.8600/+30.8628+130.8400/+30.8600+130.8359/+30.8541+130.8200/+30.8519+130.8000/+30.8490+130.7800/+30.8466+130.7600/+30.8434+130.7400/+30.8439+130.7200/+30.8412+130.7000/+30.8400+130.6908/+30.8350+130.6800/+30.8274+130.6600/+30.8225+130.6400/+30.8200+130.6305/+30.8164+130.6200/+30.8200+130.6161/+30.8249+130.6000/+30.8228+130.5800/+30.8215+130.5600/+30.8205+130.5400/+30.8200+130.5315/+30.8135+130.5200/+30.8047+130.5000/+30.8019+130.4800/+30.8007+130.4600/+30.8003+130.4400/+30.8000+130.4336/+30.7883+130.4200/+30.7811+130.4000/+30.7802+130.3800/+30.7801+130.3600/+30.7800+130.3577/+30.7623+130.3400/+30.7602+130.3200/+30.7610+130.3000/+30.7800+130.2810/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3027/+30.8373+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3800/+30.8400+130.3803/+30.8580+130.4000/+30.8593+130.4200/+30.8596+130.4400/+30.8600+130.4540/+30.8652+130.4600/+30.8758+130.4800/+30.8780+130.5000/+30.8789+130.5200/+30.8797+130.5400/+30.8800+130.5438/+30.8904+130.5600/+30.8945+130.5800/+30.8981+130.6000/+30.8999+130.6200/+30.9000+130.6218/+30.9088+130.6400/+30.9140+130.6600/+30.9162+130.6800/+30.9146+130.7000/+30.9161+130.7200/+30.9177+130.7400/+30.9200+130.7600/ 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/+30.8051+130.3400/+30.8000+130.3472/+30.7953+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 2026-07-05T21:00:00+09:00 2026-07-06T00:00:00+09:00 降灰 70 +30.9618+130.7600/+30.9646+130.7800/+30.9681+130.8000/+30.9688+130.8200/+30.9696+130.8400/+30.9684+130.8600/+30.9648+130.8800/+30.9600+130.9000/+30.9400+130.9155/+30.9340+130.9000/+30.9215+130.8800/+30.9200+130.8776/+30.9080+130.8600/+30.9000+130.8484/+30.8970+130.8400/+30.8911+130.8200/+30.8912+130.8000/+30.8864+130.7800/+30.8821+130.7600/+30.8800+130.7562/+30.8706+130.7400/+30.8635+130.7200/+30.8612+130.7000/+30.8600+130.6960/+30.8553+130.6800/+30.8506+130.6600/+30.8470+130.6400/+30.8445+130.6200/+30.8452+130.6000/+30.8426+130.5800/+30.8400+130.5634/+30.8377+130.5600/+30.8292+130.5400/+30.8238+130.5200/+30.8214+130.5000/+30.8200+130.4802/+30.8198+130.4800/+30.8062+130.4600/+30.8014+130.4400/+30.8004+130.4200/+30.8000+130.4126/+30.7892+130.4000/+30.7808+130.3800/+30.7801+130.3600/+30.7800+130.3480/+30.7722+130.3400/+30.7604+130.3200/+30.7611+130.3000/+30.7800+130.2811/+30.8000+130.2803/+30.8197+130.3000/+30.8200+130.3006/+30.8394+130.3200/+30.8399+130.3400/+30.8400+130.3459/+30.8541+130.3600/+30.8594+130.3800/+30.8599+130.4000/+30.8600+130.4017/+30.8769+130.4200/+30.8791+130.4400/+30.8800+130.4533/+30.8861+130.4600/+30.8964+130.4800/+30.8988+130.5000/+30.9000+130.5107/+30.9071+130.5200/+30.9150+130.5400/+30.9183+130.5600/+30.9200+130.5721/+30.9268+130.5800/+30.9375+130.6000/+30.9400+130.6145/+30.9419+130.6200/+30.9474+130.6400/+30.9507+130.6600/+30.9541+130.6800/+30.9544+130.7000/+30.9545+130.7200/+30.9570+130.7400/+30.9600+130.7546/+30.9618+130.7600/ 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/+30.8057+130.3400/+30.8000+130.3456/+30.7963+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 　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、５日０９時から１２時までは火口から東方向、５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。 　５日６時から５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 　０５日０６時から０９時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日０９時から１２時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１２時から１５時まで　東　　　　　　　７０ｋｍ　　４ｋｍ　　　　　 　０５日１５時から１８時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０５日１８時から２１時まで　東　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０５日２１時から２４時まで　東　　　　　　　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。