2026-08-10T05:00:00Z 通常 気象庁本庁 気象庁 2026-08-10T14:00:00+09:00 2026-08-10T15:00:00+09:00 2026-08-11T09:00:00+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、１０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 2026-08-10T15:00:00+09:00 2026-08-10T18:00:00+09:00 降灰 70 +30.9415+129.6200/+30.9432+129.6400/+30.9409+129.6600/+30.9400+129.6631/+30.9361+129.6800/+30.9332+129.7000/+30.9318+129.7200/+30.9309+129.7400/+30.9302+129.7600/+30.9295+129.7800/+30.9288+129.8000/+30.9200+129.8093/+30.9140+129.8200/+30.9115+129.8400/+30.9103+129.8600/+30.9092+129.8800/+30.9078+129.9000/+30.9000+129.9087/+30.8949+129.9200/+30.8933+129.9400/+30.8912+129.9600/+30.8880+129.9800/+30.8817+130.0000/+30.8800+130.0017/+30.8687+130.0200/+30.8600+130.0361/+30.8597+130.0400/+30.8589+130.0600/+30.8581+130.0800/+30.8570+130.1000/+30.8543+130.1200/+30.8451+130.1400/+30.8400+130.1466/+30.8397+130.1600/+30.8396+130.1800/+30.8396+130.2000/+30.8395+130.2200/+30.8390+130.2400/+30.8341+130.2600/+30.8200+130.2746/+30.8200+130.2800/+30.8199+130.3000/+30.8000+130.3200/+30.7800+130.3198/+30.7602+130.3000/+30.7601+130.2800/+30.7603+130.2600/+30.7614+130.2400/+30.7686+130.2200/+30.7800+130.2061/+30.7801+130.2000/+30.7802+130.1800/+30.7805+130.1600/+30.7808+130.1400/+30.7816+130.1200/+30.7829+130.1000/+30.7861+130.0800/+30.7917+130.0600/+30.8000+130.0443/+30.8003+130.0400/+30.8013+130.0200/+30.8022+130.0000/+30.8000+129.9850/+30.7961+129.9800/+30.8000+129.9708/+30.8019+129.9600/+30.8054+129.9400/+30.8093+129.9200/+30.8135+129.9000/+30.8134+129.8800/+30.8175+129.8600/+30.8200+129.8514/+30.8245+129.8400/+30.8323+129.8200/+30.8400+129.8080/+30.8425+129.8000/+30.8400+129.7858/+30.8376+129.7800/+30.8400+129.7753/+30.8493+129.7600/+30.8599+129.7400/+30.8600+129.7398/+30.8667+129.7200/+30.8731+129.7000/+30.8760+129.6800/+30.8791+129.6600/+30.8800+129.6559/+30.8841+129.6400/+30.8934+129.6200/+30.9000+129.6098/+30.9200+129.6097/+30.9400+129.6086/+30.9415+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8142+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7858+130.2800/+30.8000+130.2616/+30.8142+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T18:00:00+09:00 2026-08-10T21:00:00+09:00 降灰 70 +30.9424+129.6600/+30.9441+129.6800/+30.9450+129.7000/+30.9407+129.7200/+30.9400+129.7243/+30.9380+129.7400/+30.9363+129.7600/+30.9348+129.7800/+30.9338+129.8000/+30.9329+129.8200/+30.9261+129.8400/+30.9200+129.8515/+30.9179+129.8600/+30.9143+129.8800/+30.9132+129.9000/+30.9092+129.9200/+30.9000+129.9399/+30.9000+129.9400/+30.8980+129.9600/+30.8965+129.9800/+30.8951+130.0000/+30.8800+130.0163/+30.8785+130.0200/+30.8770+130.0400/+30.8745+130.0600/+30.8672+130.0800/+30.8600+130.0896/+30.8594+130.1000/+30.8590+130.1200/+30.8584+130.1400/+30.8564+130.1600/+30.8441+130.1800/+30.8400+130.1845/+30.8398+130.2000/+30.8398+130.2200/+30.8397+130.2400/+30.8394+130.2600/+30.8297+130.2800/+30.8200+130.2897/+30.8199+130.3000/+30.8082+130.3200/+30.8000+130.3282/+30.7851+130.3200/+30.7800+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7614+130.2600/+30.7800+130.2411/+30.7801+130.2400/+30.7802+130.2200/+30.7803+130.2000/+30.7808+130.1800/+30.7824+130.1600/+30.7884+130.1400/+30.8000+130.1233/+30.8002+130.1200/+30.8008+130.1000/+30.8018+130.0800/+30.8032+130.0600/+30.8059+130.0400/+30.8144+130.0200/+30.8200+130.0092/+30.8207+130.0000/+30.8200+129.9961/+30.8079+129.9800/+30.8124+129.9600/+30.8200+129.9408/+30.8202+129.9400/+30.8274+129.9200/+30.8374+129.9000/+30.8400+129.8905/+30.8415+129.8800/+30.8452+129.8600/+30.8491+129.8400/+30.8526+129.8200/+30.8571+129.8000/+30.8600+129.7921/+30.8666+129.7800/+30.8717+129.7600/+30.8772+129.7400/+30.8800+129.7308/+30.8838+129.7200/+30.8929+129.7000/+30.9000+129.6841/+30.9200+129.6805/+30.9216+129.6800/+30.9377+129.6600/+30.9400+129.6547/+30.9424+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8127+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7873+130.2800/+30.8000+130.2644/+30.8127+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-10T21:00:00+09:00 2026-08-11T00:00:00+09:00 降灰 70 +30.9514+129.7800/+30.9566+129.8000/+30.9519+129.8200/+30.9512+129.8400/+30.9492+129.8600/+30.9476+129.8800/+30.9460+129.9000/+30.9445+129.9200/+30.9400+129.9271/+30.9335+129.9400/+30.9293+129.9600/+30.9256+129.9800/+30.9200+129.9992/+30.9199+130.0000/+30.9096+130.0200/+30.9000+130.0273/+30.8980+130.0400/+30.8942+130.0600/+30.8889+130.0800/+30.8800+130.0917/+30.8790+130.1000/+30.8776+130.1200/+30.8736+130.1400/+30.8600+130.1575/+30.8598+130.1600/+30.8591+130.1800/+30.8580+130.2000/+30.8478+130.2200/+30.8400+130.2280/+30.8398+130.2400/+30.8398+130.2600/+30.8390+130.2800/+30.8200+130.2994/+30.8200+130.3000/+30.8151+130.3200/+30.8000+130.3351/+30.7800+130.3276/+30.7724+130.3200/+30.7602+130.3000/+30.7602+130.2800/+30.7638+130.2600/+30.7800+130.2435/+30.7801+130.2400/+30.7803+130.2200/+30.7810+130.2000/+30.7833+130.1800/+30.7906+130.1600/+30.8000+130.1460/+30.8004+130.1400/+30.8017+130.1200/+30.8044+130.1000/+30.8107+130.0800/+30.8200+130.0651/+30.8208+130.0600/+30.8225+130.0400/+30.8266+130.0200/+30.8324+130.0000/+30.8370+129.9800/+30.8400+129.9754/+30.8430+129.9600/+30.8478+129.9400/+30.8548+129.9200/+30.8600+129.9072/+30.8631+129.9000/+30.8673+129.8800/+30.8751+129.8600/+30.8800+129.8510/+30.8846+129.8400/+30.8932+129.8200/+30.9000+129.8065/+30.9160+129.8000/+30.9200+129.7962/+30.9332+129.7800/+30.9400+129.7639/+30.9514+129.7800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8100+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7900+130.2800/+30.8000+130.2679/+30.8100+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-11T00:00:00+09:00 2026-08-11T03:00:00+09:00 降灰 70 +30.9644+129.8000/+30.9701+129.8200/+30.9701+129.8400/+30.9648+129.8600/+30.9600+129.8750/+30.9590+129.8800/+30.9546+129.9000/+30.9520+129.9200/+30.9460+129.9400/+30.9400+129.9574/+30.9393+129.9600/+30.9350+129.9800/+30.9311+130.0000/+30.9260+130.0200/+30.9200+130.0256/+30.9072+130.0400/+30.9000+130.0540/+30.8994+130.0600/+30.8966+130.0800/+30.8900+130.1000/+30.8800+130.1146/+30.8794+130.1200/+30.8775+130.1400/+30.8719+130.1600/+30.8600+130.1734/+30.8596+130.1800/+30.8590+130.2000/+30.8562+130.2200/+30.8400+130.2368/+30.8399+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8200+130.2997/+30.8200+130.3000/+30.8157+130.3200/+30.8000+130.3357/+30.7800+130.3294/+30.7706+130.3200/+30.7602+130.3000/+30.7604+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7802+130.2400/+30.7806+130.2200/+30.7834+130.2000/+30.8000+130.1805/+30.8001+130.1800/+30.8008+130.1600/+30.8023+130.1400/+30.8064+130.1200/+30.8190+130.1000/+30.8200+130.0987/+30.8219+130.0800/+30.8247+130.0600/+30.8305+130.0400/+30.8400+130.0255/+30.8412+130.0200/+30.8438+130.0000/+30.8455+129.9800/+30.8500+129.9600/+30.8584+129.9400/+30.8600+129.9370/+30.8680+129.9200/+30.8752+129.9000/+30.8800+129.8917/+30.8866+129.8800/+30.8938+129.8600/+30.9000+129.8469/+30.9040+129.8400/+30.9133+129.8200/+30.9200+129.8122/+30.9355+129.8000/+30.9400+129.7922/+30.9600+129.7908/+30.9644+129.8000/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8088+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7912+130.2800/+30.8000+130.2692/+30.8088+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-11T03:00:00+09:00 2026-08-11T06:00:00+09:00 降灰 70 +30.9415+129.8800/+30.9425+129.9000/+30.9431+129.9200/+30.9412+129.9400/+30.9400+129.9459/+30.9376+129.9600/+30.9340+129.9800/+30.9286+130.0000/+30.9230+130.0200/+30.9200+130.0230/+30.9097+130.0400/+30.9000+130.0559/+30.8992+130.0600/+30.8972+130.0800/+30.8927+130.1000/+30.8800+130.1194/+30.8799+130.1200/+30.8779+130.1400/+30.8734+130.1600/+30.8600+130.1774/+30.8598+130.1800/+30.8588+130.2000/+30.8561+130.2200/+30.8400+130.2376/+30.8399+130.2400/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8177+130.3200/+30.8000+130.3377/+30.7800+130.3342/+30.7658+130.3200/+30.7601+130.3000/+30.7602+130.2800/+30.7641+130.2600/+30.7800+130.2430/+30.7801+130.2400/+30.7805+130.2200/+30.7817+130.2000/+30.7854+130.1800/+30.7964+130.1600/+30.8000+130.1549/+30.8014+130.1400/+30.8038+130.1200/+30.8091+130.1000/+30.8200+130.0820/+30.8204+130.0800/+30.8230+130.0600/+30.8278+130.0400/+30.8364+130.0200/+30.8400+130.0137/+30.8431+130.0000/+30.8466+129.9800/+30.8531+129.9600/+30.8600+129.9441/+30.8624+129.9400/+30.8716+129.9200/+30.8800+129.9062/+30.8861+129.9000/+30.9000+129.8802/+30.9001+129.8800/+30.9085+129.8600/+30.9181+129.8400/+30.9200+129.8361/+30.9284+129.8400/+30.9392+129.8600/+30.9400+129.8650/+30.9415+129.8800/ 西 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8068+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7936+130.2800/+30.8000+130.2724/+30.8068+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-08-11T06:00:00+09:00 2026-08-11T09:00:00+09:00 降灰 70 +30.9206+129.8600/+30.9263+129.8800/+30.9293+129.9000/+30.9311+129.9200/+30.9258+129.9400/+30.9212+129.9600/+30.9200+129.9641/+30.9171+129.9800/+30.9128+130.0000/+30.9000+130.0186/+30.8997+130.0200/+30.8968+130.0400/+30.8923+130.0600/+30.8833+130.0800/+30.8800+130.0872/+30.8789+130.1000/+30.8756+130.1200/+30.8702+130.1400/+30.8600+130.1527/+30.8593+130.1600/+30.8580+130.1800/+30.8551+130.2000/+30.8400+130.2183/+30.8399+130.2200/+30.8397+130.2400/+30.8396+130.2600/+30.8378+130.2800/+30.8200+130.2979/+30.8200+130.3000/+30.8180+130.3200/+30.8000+130.3380/+30.7800+130.3351/+30.7649+130.3200/+30.7601+130.3000/+30.7601+130.2800/+30.7615+130.2600/+30.7766+130.2400/+30.7800+130.2358/+30.7802+130.2200/+30.7807+130.2000/+30.7818+130.1800/+30.7848+130.1600/+30.7920+130.1400/+30.8000+130.1254/+30.8005+130.1200/+30.8022+130.1000/+30.8051+130.0800/+30.8154+130.0600/+30.8200+130.0507/+30.8215+130.0400/+30.8228+130.0200/+30.8274+130.0000/+30.8328+129.9800/+30.8400+129.9689/+30.8433+129.9600/+30.8497+129.9400/+30.8562+129.9200/+30.8600+129.9107/+30.8678+129.9000/+30.8800+129.8847/+30.8957+129.8800/+30.9000+129.8770/+30.9186+129.8600/+30.9200+129.8584/+30.9206+129.8600/ 西 40 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8012+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7988+130.2800/+30.8000+130.2785/+30.8012+130.2800/ 北西 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、１０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。 　１０日１５時から１１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 　１０日１５時から１８時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６時まで　西　　　　　　　５０ｋｍ　　３ｋｍ　　　　　 　１１日０６時から０９時まで　西　　　　　　　４０ｋｍ　　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。