2026-07-03T08:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T17:00:00+09:00 2026-07-03T18:00:00+09:00 2026-07-04T12:00:00+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、３日２１時から２４時までは火口から東方向、４日０９時から１２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 鹿児島県南大隅町 4649100 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 鹿児島県南大隅町 4649100 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-07-03T18:00:00+09:00 2026-07-03T21:00:00+09:00 降灰 70 +30.8822+130.6200/+30.8823+130.6400/+30.8800+130.6563/+30.8796+130.6600/+30.8783+130.6800/+30.8782+130.7000/+30.8745+130.7200/+30.8714+130.7400/+30.8674+130.7600/+30.8630+130.7800/+30.8600+130.7910/+30.8572+130.8000/+30.8519+130.8200/+30.8400+130.8318/+30.8271+130.8200/+30.8210+130.8000/+30.8200+130.7966/+30.8159+130.7800/+30.8122+130.7600/+30.8087+130.7400/+30.8034+130.7200/+30.8010+130.7000/+30.8000+130.6884/+30.7993+130.6800/+30.7985+130.6600/+30.7985+130.6400/+30.7950+130.6200/+30.8000+130.6118/+30.8023+130.6000/+30.8013+130.5800/+30.8008+130.5600/+30.8005+130.5400/+30.8000+130.5337/+30.7946+130.5200/+30.7910+130.5000/+30.7876+130.4800/+30.7847+130.4600/+30.7827+130.4400/+30.7813+130.4200/+30.7805+130.4000/+30.7802+130.3800/+30.7800+130.3600/+30.7800+130.3595/+30.7610+130.3400/+30.7601+130.3200/+30.7604+130.3000/+30.7800+130.2804/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3014/+30.8386+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3668/+30.8515+130.3800/+30.8568+130.4000/+30.8583+130.4200/+30.8593+130.4400/+30.8600+130.4599/+30.8600+130.4600/+30.8686+130.4800/+30.8712+130.5000/+30.8734+130.5200/+30.8754+130.5400/+30.8754+130.5600/+30.8761+130.5800/+30.8761+130.6000/+30.8800+130.6162/+30.8822+130.6200/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8000+130.3397/+30.7813+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 2026-07-03T21:00:00+09:00 2026-07-04T00:00:00+09:00 降灰 70 +30.9432+130.7000/+30.9435+130.7200/+30.9413+130.7400/+30.9400+130.7500/+30.9385+130.7600/+30.9353+130.7800/+30.9307+130.8000/+30.9200+130.8125/+30.9070+130.8200/+30.9000+130.8294/+30.8957+130.8200/+30.8904+130.8000/+30.8800+130.7896/+30.8770+130.7800/+30.8721+130.7600/+30.8643+130.7400/+30.8600+130.7235/+30.8593+130.7200/+30.8589+130.7000/+30.8524+130.6800/+30.8487+130.6600/+30.8467+130.6400/+30.8441+130.6200/+30.8435+130.6000/+30.8409+130.5800/+30.8400+130.5736/+30.8346+130.5600/+30.8294+130.5400/+30.8241+130.5200/+30.8220+130.5000/+30.8202+130.4800/+30.8200+130.4790/+30.8066+130.4600/+30.8023+130.4400/+30.8007+130.4200/+30.8000+130.4086/+30.7923+130.4000/+30.7813+130.3800/+30.7802+130.3600/+30.7800+130.3529/+30.7671+130.3400/+30.7602+130.3200/+30.7607+130.3000/+30.7800+130.2807/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3004/+30.8396+130.3200/+30.8399+130.3400/+30.8400+130.3430/+30.8570+130.3600/+30.8595+130.3800/+30.8600+130.3896/+30.8701+130.4000/+30.8780+130.4200/+30.8796+130.4400/+30.8800+130.4439/+30.8921+130.4600/+30.8973+130.4800/+30.8992+130.5000/+30.9000+130.5059/+30.9093+130.5200/+30.9146+130.5400/+30.9181+130.5600/+30.9200+130.5763/+30.9220+130.5800/+30.9325+130.6000/+30.9342+130.6200/+30.9367+130.6400/+30.9376+130.6600/+30.9383+130.6800/+30.9400+130.6879/+30.9432+130.7000/ 東 50 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8186+130.3200/+30.8000+130.3397/+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 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +31.0247+130.7600/+31.0256+130.7800/+31.0264+130.8000/+31.0245+130.8200/+31.0217+130.8400/+31.0200+130.8493/+31.0174+130.8600/+31.0092+130.8800/+31.0000+130.8912/+30.9938+130.8800/+30.9845+130.8600/+30.9800+130.8494/+30.9763+130.8400/+30.9679+130.8200/+30.9600+130.8009/+30.9596+130.8000/+30.9441+130.7800/+30.9400+130.7681/+30.9378+130.7600/+30.9323+130.7400/+30.9283+130.7200/+30.9217+130.7000/+30.9200+130.6960/+30.9130+130.6800/+30.9069+130.6600/+30.9030+130.6400/+30.9000+130.6283/+30.8927+130.6200/+30.8867+130.6000/+30.8835+130.5800/+30.8805+130.5600/+30.8800+130.5582/+30.8660+130.5400/+30.8613+130.5200/+30.8600+130.5127/+30.8496+130.5000/+30.8419+130.4800/+30.8400+130.4660/+30.8344+130.4600/+30.8218+130.4400/+30.8202+130.4200/+30.8200+130.4195/+30.8012+130.4000/+30.8001+130.3800/+30.8000+130.3797/+30.7805+130.3600/+30.7801+130.3400/+30.7800+130.3394/+30.7606+130.3200/+30.7611+130.3000/+30.7800+130.2811/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3400/+30.8596+130.3600/+30.8600+130.3739/+30.8661+130.3800/+30.8792+130.4000/+30.8800+130.4129/+30.8870+130.4200/+30.8986+130.4400/+30.9000+130.4545/+30.9053+130.4600/+30.9176+130.4800/+30.9200+130.4983/+30.9216+130.5000/+30.9358+130.5200/+30.9394+130.5400/+30.9400+130.5426/+30.9548+130.5600/+30.9599+130.5800/+30.9600+130.5804/+30.9768+130.6000/+30.9800+130.6104/+30.9839+130.6200/+30.9895+130.6400/+30.9941+130.6600/+30.9982+130.6800/+31.0000+130.6890/+31.0065+130.7000/+31.0144+130.7200/+31.0186+130.7400/+31.0200+130.7452/+31.0247+130.7600/ 北東 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8187+130.3200/+30.8041+130.3400/+30.8000+130.3421/+30.7983+130.3400/+30.7813+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0603+130.8600/+31.0632+130.8800/+31.0659+130.9000/+31.0653+130.9200/+31.0645+130.9400/+31.0608+130.9600/+31.0600+130.9619/+31.0400+130.9615/+31.0393+130.9600/+31.0318+130.9400/+31.0247+130.9200/+31.0200+130.9103/+31.0138+130.9000/+31.0000+130.8902/+30.9929+130.8800/+30.9833+130.8600/+30.9800+130.8512/+30.9765+130.8400/+30.9712+130.8200/+30.9671+130.8000/+30.9649+130.7800/+30.9600+130.7646/+30.9568+130.7600/+30.9423+130.7400/+30.9400+130.7342/+30.9358+130.7200/+30.9295+130.7000/+30.9266+130.6800/+30.9200+130.6626/+30.9184+130.6600/+30.9091+130.6400/+30.9039+130.6200/+30.9003+130.6000/+30.9007+130.5800/+30.9000+130.5776/+30.8853+130.5600/+30.8811+130.5400/+30.8800+130.5346/+30.8671+130.5200/+30.8612+130.5000/+30.8600+130.4916/+30.8489+130.4800/+30.8410+130.4600/+30.8400+130.4515/+30.8286+130.4400/+30.8206+130.4200/+30.8200+130.4156/+30.8044+130.4000/+30.8002+130.3800/+30.8000+130.3788/+30.7812+130.3600/+30.7801+130.3400/+30.7800+130.3390/+30.7610+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2803/+30.8198+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3263/+30.8537+130.3400/+30.8598+130.3600/+30.8600+130.3647/+30.8753+130.3800/+30.8796+130.4000/+30.8800+130.4044/+30.8956+130.4200/+30.8994+130.4400/+30.9000+130.4452/+30.9144+130.4600/+30.9190+130.4800/+30.9200+130.4868/+30.9325+130.5000/+30.9385+130.5200/+30.9400+130.5314/+30.9476+130.5400/+30.9600+130.5585/+30.9622+130.5600/+30.9783+130.5800/+30.9800+130.5834/+30.9886+130.6000/+30.9937+130.6200/+30.9976+130.6400/+31.0000+130.6498/+31.0099+130.6600/+31.0200+130.6788/+31.0204+130.6800/+31.0254+130.7000/+31.0287+130.7200/+31.0304+130.7400/+31.0366+130.7600/+31.0384+130.7800/+31.0400+130.7940/+31.0412+130.8000/+31.0464+130.8200/+31.0535+130.8400/+31.0600+130.8587/+31.0603+130.8600/ 北東 70 鹿児島県三島村 4630300 鹿児島県南大隅町 4649100 小さな噴石の落下 75 1 +30.8188+130.3000/+30.8188+130.3200/+30.8108+130.3400/+30.8000+130.3431/+30.7969+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 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +31.0049+130.8000/+31.0099+130.8200/+31.0142+130.8400/+31.0157+130.8600/+31.0147+130.8800/+31.0134+130.9000/+31.0154+130.9200/+31.0177+130.9400/+31.0177+130.9600/+31.0141+130.9800/+31.0071+131.0000/+31.0000+131.0081/+30.9963+131.0000/+30.9893+130.9800/+30.9825+130.9600/+30.9800+130.9499/+30.9772+130.9400/+30.9710+130.9200/+30.9600+130.9027/+30.9586+130.9000/+30.9425+130.8800/+30.9400+130.8768/+30.9336+130.8600/+30.9268+130.8400/+30.9204+130.8200/+30.9200+130.8185/+30.9144+130.8000/+30.9050+130.7800/+30.9000+130.7628/+30.8994+130.7600/+30.8939+130.7400/+30.8901+130.7200/+30.8862+130.7000/+30.8800+130.6824/+30.8789+130.6800/+30.8702+130.6600/+30.8645+130.6400/+30.8600+130.6265/+30.8568+130.6200/+30.8600+130.6142/+30.8618+130.6000/+30.8600+130.5908/+30.8529+130.5800/+30.8459+130.5600/+30.8419+130.5400/+30.8400+130.5248/+30.8367+130.5200/+30.8250+130.5000/+30.8214+130.4800/+30.8200+130.4600/+30.8200+130.4599/+30.8033+130.4400/+30.8008+130.4200/+30.8000+130.4000/+30.8000+130.3998/+30.7815+130.3800/+30.7802+130.3600/+30.7800+130.3519/+30.7681+130.3400/+30.7605+130.3200/+30.7617+130.3000/+30.7800+130.2817/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3005/+30.8395+130.3200/+30.8399+130.3400/+30.8400+130.3412/+30.8586+130.3600/+30.8598+130.3800/+30.8600+130.3833/+30.8761+130.4000/+30.8792+130.4200/+30.8800+130.4279/+30.8914+130.4400/+30.8981+130.4600/+30.9000+130.4783/+30.9015+130.4800/+30.9152+130.5000/+30.9188+130.5200/+30.9200+130.5268/+30.9291+130.5400/+30.9351+130.5600/+30.9400+130.5686/+30.9509+130.5800/+30.9546+130.6000/+30.9580+130.6200/+30.9600+130.6294/+30.9674+130.6400/+30.9752+130.6600/+30.9800+130.6691/+30.9856+130.6800/+30.9881+130.7000/+30.9903+130.7200/+30.9914+130.7400/+30.9928+130.7600/+30.9985+130.7800/+31.0000+130.7874/+31.0049+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/+30.8139+130.3400/+30.8000+130.3525/+30.7919+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 2026-07-04T09:00:00+09:00 2026-07-04T12:00:00+09:00 降灰 70 +30.9604+130.7800/+30.9740+130.8000/+30.9742+130.8200/+30.9744+130.8400/+30.9737+130.8600/+30.9719+130.8800/+30.9698+130.9000/+30.9705+130.9200/+30.9713+130.9400/+30.9706+130.9600/+30.9676+130.9800/+30.9630+131.0000/+30.9600+131.0129/+30.9465+131.0000/+30.9400+130.9968/+30.9348+130.9800/+30.9289+130.9600/+30.9241+130.9400/+30.9200+130.9228/+30.9193+130.9200/+30.9130+130.9000/+30.9000+130.8814/+30.8993+130.8800/+30.8914+130.8600/+30.8832+130.8400/+30.8800+130.8321/+30.8763+130.8200/+30.8800+130.8002/+30.8800+130.8000/+30.8800+130.7999/+30.8713+130.7800/+30.8656+130.7600/+30.8600+130.7446/+30.8588+130.7400/+30.8549+130.7200/+30.8567+130.7000/+30.8518+130.6800/+30.8479+130.6600/+30.8450+130.6400/+30.8419+130.6200/+30.8421+130.6000/+30.8400+130.5800/+30.8400+130.5798/+30.8299+130.5600/+30.8246+130.5400/+30.8218+130.5200/+30.8206+130.5000/+30.8200+130.4914/+30.8117+130.4800/+30.8028+130.4600/+30.8008+130.4400/+30.8002+130.4200/+30.8000+130.4175/+30.7837+130.4000/+30.7804+130.3800/+30.7801+130.3600/+30.7800+130.3557/+30.7645+130.3400/+30.7604+130.3200/+30.7618+130.3000/+30.7800+130.2818/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3013/+30.8387+130.3200/+30.8399+130.3400/+30.8399+130.3600/+30.8400+130.3610/+30.8586+130.3800/+30.8596+130.4000/+30.8600+130.4200/+30.8600+130.4204/+30.8773+130.4400/+30.8791+130.4600/+30.8800+130.4800/+30.8800+130.4801/+30.8957+130.5000/+30.8981+130.5200/+30.8993+130.5400/+30.9000+130.5452/+30.9112+130.5600/+30.9157+130.5800/+30.9200+130.5883/+30.9321+130.6000/+30.9348+130.6200/+30.9378+130.6400/+30.9400+130.6535/+30.9424+130.6600/+30.9474+130.6800/+30.9523+130.7000/+30.9534+130.7200/+30.9547+130.7400/+30.9564+130.7600/+30.9600+130.7792/+30.9604+130.7800/ 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/+30.8096+130.3400/+30.8000+130.3525/+30.7919+130.3400/+30.7800+130.3304/+30.7697+130.3200/+30.7800+130.3097/+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、３日２１時から２４時までは火口から東方向、４日０９時から１２時までは火口から東方向に降灰が予想されます。 　３日１８時から４日１２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 　０３日１８時から２１時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０３日２１時から２４時まで　東　　　　　　　５０ｋｍ　　２ｋｍ　　　　　 　０４日００時から０３時まで　北東　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　東　　　　　　　７０ｋｍ　　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、南大隅町 　 　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。