2026-07-03T14:00:00Z 通常 気象庁本庁 気象庁 2026-07-03T23:00:00+09:00 2026-07-04T00:00:00+09:00 2026-07-04T18:00:00+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 2026-07-04T00:00:00+09:00 2026-07-04T03:00:00+09:00 降灰 70 +31.0210+130.7600/+31.0209+130.7800/+31.0208+130.8000/+31.0204+130.8200/+31.0200+130.8322/+31.0197+130.8400/+31.0170+130.8600/+31.0099+130.8800/+31.0000+130.8956/+30.9925+130.8800/+30.9841+130.8600/+30.9800+130.8470/+30.9778+130.8400/+30.9723+130.8200/+30.9661+130.8000/+30.9600+130.7959/+30.9474+130.7800/+30.9400+130.7600/+30.9352+130.7400/+30.9316+130.7200/+30.9237+130.7000/+30.9200+130.6930/+30.9140+130.6800/+30.9073+130.6600/+30.9026+130.6400/+30.9000+130.6326/+30.8895+130.6200/+30.8855+130.6000/+30.8820+130.5800/+30.8800+130.5737/+30.8706+130.5600/+30.8627+130.5400/+30.8600+130.5312/+30.8515+130.5200/+30.8437+130.5000/+30.8403+130.4800/+30.8400+130.4792/+30.8244+130.4600/+30.8207+130.4400/+30.8200+130.4362/+30.8055+130.4200/+30.8008+130.4000/+30.8000+130.3911/+30.7891+130.3800/+30.7804+130.3600/+30.7800+130.3400/+30.7800+130.3397/+30.7605+130.3200/+30.7609+130.3000/+30.7800+130.2809/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3002/+30.8398+130.3200/+30.8400+130.3272/+30.8528+130.3400/+30.8596+130.3600/+30.8600+130.3650/+30.8749+130.3800/+30.8794+130.4000/+30.8800+130.4038/+30.8954+130.4200/+30.8993+130.4400/+30.9000+130.4442/+30.9138+130.4600/+30.9188+130.4800/+30.9200+130.4849/+30.9330+130.5000/+30.9380+130.5200/+30.9400+130.5285/+30.9491+130.5400/+30.9591+130.5600/+30.9600+130.5633/+30.9725+130.5800/+30.9799+130.6000/+30.9800+130.6004/+30.9866+130.6200/+30.9914+130.6400/+30.9948+130.6600/+30.9978+130.6800/+31.0000+130.6900/+31.0051+130.7000/+31.0123+130.7200/+31.0163+130.7400/+31.0200+130.7563/+31.0210+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/+30.8190+130.3200/+30.8000+130.3398/+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 2026-07-04T03:00:00+09:00 2026-07-04T06:00:00+09:00 降灰 70 +31.0655+130.8000/+31.0691+130.8200/+31.0724+130.8400/+31.0732+130.8600/+31.0712+130.8800/+31.0685+130.9000/+31.0618+130.9200/+31.0600+130.9239/+31.0400+130.9213/+31.0393+130.9200/+31.0304+130.9000/+31.0202+130.8800/+31.0200+130.8796/+31.0075+130.8600/+31.0000+130.8505/+30.9937+130.8400/+30.9844+130.8200/+30.9800+130.8072/+30.9778+130.8000/+30.9739+130.7800/+30.9689+130.7600/+30.9606+130.7400/+30.9600+130.7387/+30.9482+130.7200/+30.9400+130.7101/+30.9351+130.7000/+30.9331+130.6800/+30.9255+130.6600/+30.9203+130.6400/+30.9200+130.6395/+30.9080+130.6200/+30.9026+130.6000/+30.9019+130.5800/+30.9000+130.5690/+30.8925+130.5600/+30.8820+130.5400/+30.8800+130.5270/+30.8745+130.5200/+30.8619+130.5000/+30.8600+130.4815/+30.8588+130.4800/+30.8416+130.4600/+30.8400+130.4434/+30.8368+130.4400/+30.8208+130.4200/+30.8200+130.4126/+30.8076+130.4000/+30.8003+130.3800/+30.8000+130.3785/+30.7815+130.3600/+30.7801+130.3400/+30.7800+130.3389/+30.7611+130.3200/+30.7616+130.3000/+30.7800+130.2816/+30.8000+130.2802/+30.8198+130.3000/+30.8200+130.3001/+30.8398+130.3200/+30.8400+130.3240/+30.8560+130.3400/+30.8598+130.3600/+30.8600+130.3626/+30.8774+130.3800/+30.8797+130.4000/+30.8800+130.4023/+30.8974+130.4200/+30.8997+130.4400/+30.9000+130.4412/+30.9176+130.4600/+30.9199+130.4800/+30.9200+130.4805/+30.9371+130.5000/+30.9400+130.5198/+30.9402+130.5200/+30.9566+130.5400/+30.9600+130.5475/+30.9778+130.5600/+30.9800+130.5642/+30.9882+130.5800/+30.9949+130.6000/+31.0000+130.6152/+31.0030+130.6200/+31.0195+130.6400/+31.0200+130.6414/+31.0261+130.6600/+31.0300+130.6800/+31.0310+130.7000/+31.0323+130.7200/+31.0374+130.7400/+31.0400+130.7502/+31.0453+130.7600/+31.0553+130.7800/+31.0600+130.7875/+31.0655+130.8000/ 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/+30.8190+130.3200/+30.8110+130.3400/+30.8000+130.3415/+30.7985+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 2026-07-04T06:00:00+09:00 2026-07-04T09:00:00+09:00 降灰 70 +31.0200+130.7800/+31.0224+130.8000/+31.0247+130.8200/+31.0269+130.8400/+31.0276+130.8600/+31.0262+130.8800/+31.0243+130.9000/+31.0232+130.9200/+31.0213+130.9400/+31.0200+130.9446/+31.0129+130.9600/+31.0000+130.9706/+30.9945+130.9600/+30.9864+130.9400/+30.9800+130.9202/+30.9799+130.9200/+30.9737+130.9000/+30.9625+130.8800/+30.9600+130.8760/+30.9506+130.8600/+30.9403+130.8400/+30.9400+130.8393/+30.9334+130.8200/+30.9332+130.8000/+30.9264+130.7800/+30.9206+130.7600/+30.9200+130.7587/+30.9090+130.7400/+30.9017+130.7200/+30.9002+130.7000/+30.9000+130.6995/+30.8881+130.6800/+30.8814+130.6600/+30.8800+130.6546/+30.8748+130.6400/+30.8672+130.6200/+30.8679+130.6000/+30.8634+130.5800/+30.8600+130.5638/+30.8571+130.5600/+30.8468+130.5400/+30.8432+130.5200/+30.8400+130.5028/+30.8375+130.5000/+30.8247+130.4800/+30.8214+130.4600/+30.8200+130.4464/+30.8140+130.4400/+30.8021+130.4200/+30.8004+130.4000/+30.8000+130.3951/+30.7853+130.3800/+30.7803+130.3600/+30.7800+130.3454/+30.7745+130.3400/+30.7607+130.3200/+30.7619+130.3000/+30.7800+130.2819/+30.8000+130.2804/+30.8196+130.3000/+30.8200+130.3003/+30.8397+130.3200/+30.8400+130.3376/+30.8424+130.3400/+30.8595+130.3600/+30.8600+130.3757/+30.8643+130.3800/+30.8789+130.4000/+30.8800+130.4151/+30.8849+130.4200/+30.8981+130.4400/+30.9000+130.4581/+30.9019+130.4600/+30.9167+130.4800/+30.9198+130.5000/+30.9200+130.5010/+30.9343+130.5200/+30.9385+130.5400/+30.9400+130.5466/+30.9517+130.5600/+30.9584+130.5800/+30.9600+130.5899/+30.9679+130.6000/+30.9771+130.6200/+30.9800+130.6293/+30.9844+130.6400/+30.9895+130.6600/+30.9940+130.6800/+30.9973+130.7000/+31.0000+130.7112/+31.0048+130.7200/+31.0103+130.7400/+31.0176+130.7600/+31.0200+130.7797/+31.0200+130.7800/ 北東 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/+30.8169+130.3400/+30.8000+130.3538/+30.7909+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 +31.0025+130.9000/+31.0058+130.9200/+31.0088+130.9400/+31.0103+130.9600/+31.0105+130.9800/+31.0106+131.0000/+31.0091+131.0200/+31.0070+131.0400/+31.0003+131.0600/+31.0000+131.0605/+30.9998+131.0600/+30.9937+131.0400/+30.9895+131.0200/+30.9845+131.0000/+30.9800+130.9871/+30.9765+130.9800/+30.9600+130.9619/+30.9587+130.9600/+30.9455+130.9400/+30.9400+130.9321/+30.9361+130.9200/+30.9309+130.9000/+30.9244+130.8800/+30.9200+130.8627/+30.9194+130.8600/+30.9147+130.8400/+30.9097+130.8200/+30.9000+130.8007/+30.8997+130.8000/+30.8941+130.7800/+30.8903+130.7600/+30.8857+130.7400/+30.8824+130.7200/+30.8800+130.7127/+30.8738+130.7000/+30.8683+130.6800/+30.8637+130.6600/+30.8600+130.6400/+30.8600+130.6399/+30.8503+130.6200/+30.8573+130.6000/+30.8485+130.5800/+30.8435+130.5600/+30.8409+130.5400/+30.8400+130.5320/+30.8313+130.5200/+30.8238+130.5000/+30.8210+130.4800/+30.8200+130.4618/+30.8184+130.4600/+30.8023+130.4400/+30.8005+130.4200/+30.8001+130.4000/+30.8000+130.3996/+30.7810+130.3800/+30.7801+130.3600/+30.7800+130.3536/+30.7676+130.3400/+30.7605+130.3200/+30.7619+130.3000/+30.7800+130.2819/+30.8000+130.2805/+30.8195+130.3000/+30.8200+130.3007/+30.8393+130.3200/+30.8399+130.3400/+30.8400+130.3452/+30.8548+130.3600/+30.8596+130.3800/+30.8599+130.4000/+30.8600+130.4017/+30.8774+130.4200/+30.8793+130.4400/+30.8800+130.4514/+30.8883+130.4600/+30.8975+130.4800/+30.8992+130.5000/+30.9000+130.5071/+30.9107+130.5200/+30.9170+130.5400/+30.9190+130.5600/+30.9200+130.5661/+30.9344+130.5800/+30.9400+130.5911/+30.9447+130.6000/+30.9507+130.6200/+30.9541+130.6400/+30.9561+130.6600/+30.9600+130.6788/+30.9616+130.6800/+30.9722+130.7000/+30.9784+130.7200/+30.9800+130.7271/+30.9824+130.7400/+30.9854+130.7600/+30.9883+130.7800/+30.9894+130.8000/+30.9915+130.8200/+30.9946+130.8400/+30.9975+130.8600/+30.9997+130.8800/+31.0000+130.8817/+31.0025+130.9000/ 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/+30.8135+130.3400/+30.8000+130.3546/+30.7900+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 2026-07-04T12:00:00+09:00 2026-07-04T15:00:00+09:00 降灰 70 +30.9408+130.7800/+30.9425+130.8000/+30.9402+130.8200/+30.9411+130.8400/+30.9403+130.8600/+30.9400+130.8626/+30.9382+130.8800/+30.9355+130.9000/+30.9359+130.9200/+30.9365+130.9400/+30.9365+130.9600/+30.9355+130.9800/+30.9339+131.0000/+30.9294+131.0200/+30.9219+131.0400/+30.9200+131.0446/+30.9098+131.0600/+30.9000+131.0687/+30.8979+131.0600/+30.8931+131.0400/+30.8886+131.0200/+30.8847+131.0000/+30.8806+130.9800/+30.8800+130.9770/+30.8770+130.9600/+30.8730+130.9400/+30.8685+130.9200/+30.8642+130.9000/+30.8600+130.8864/+30.8577+130.8800/+30.8515+130.8600/+30.8462+130.8400/+30.8470+130.8200/+30.8449+130.8000/+30.8421+130.7800/+30.8400+130.7615/+30.8396+130.7600/+30.8322+130.7400/+30.8331+130.7200/+30.8289+130.7000/+30.8235+130.6800/+30.8200+130.6609/+30.8198+130.6600/+30.8149+130.6400/+30.8107+130.6200/+30.8200+130.6079/+30.8217+130.6000/+30.8200+130.5811/+30.8194+130.5800/+30.8113+130.5600/+30.8063+130.5400/+30.8032+130.5200/+30.8016+130.5000/+30.8007+130.4800/+30.8000+130.4646/+30.7965+130.4600/+30.7857+130.4400/+30.7818+130.4200/+30.7805+130.4000/+30.7802+130.3800/+30.7800+130.3600/+30.7800+130.3594/+30.7613+130.3400/+30.7603+130.3200/+30.7620+130.3000/+30.7800+130.2820/+30.8000+130.2807/+30.8193+130.3000/+30.8200+130.3034/+30.8366+130.3200/+30.8398+130.3400/+30.8399+130.3600/+30.8400+130.3660/+30.8538+130.3800/+30.8590+130.4000/+30.8595+130.4200/+30.8600+130.4344/+30.8652+130.4400/+30.8763+130.4600/+30.8783+130.4800/+30.8795+130.5000/+30.8800+130.5067/+30.8893+130.5200/+30.8952+130.5400/+30.8968+130.5600/+30.8983+130.5800/+30.9000+130.5868/+30.9154+130.6000/+30.9188+130.6200/+30.9200+130.6359/+30.9205+130.6400/+30.9253+130.6600/+30.9270+130.6800/+30.9315+130.7000/+30.9352+130.7200/+30.9377+130.7400/+30.9398+130.7600/+30.9400+130.7631/+30.9408+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/+30.8121+130.3400/+30.8000+130.3557/+30.7897+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 2026-07-04T15:00:00+09:00 2026-07-04T18:00:00+09:00 降灰 70 +30.9052+130.7200/+30.9057+130.7400/+30.9062+130.7600/+30.9055+130.7800/+30.9047+130.8000/+30.9011+130.8200/+30.9000+130.8375/+30.8999+130.8400/+30.8989+130.8600/+30.8976+130.8800/+30.8954+130.9000/+30.8943+130.9200/+30.8930+130.9400/+30.8925+130.9600/+30.8931+130.9800/+30.8940+131.0000/+30.8921+131.0200/+30.8879+131.0400/+30.8800+131.0498/+30.8659+131.0600/+30.8600+131.0627/+30.8586+131.0600/+30.8490+131.0400/+30.8400+131.0216/+30.8397+131.0200/+30.8363+131.0000/+30.8336+130.9800/+30.8312+130.9600/+30.8293+130.9400/+30.8278+130.9200/+30.8264+130.9000/+30.8220+130.8800/+30.8200+130.8691/+30.8185+130.8600/+30.8156+130.8400/+30.8126+130.8200/+30.8110+130.8000/+30.8098+130.7800/+30.8088+130.7600/+30.8076+130.7400/+30.8073+130.7200/+30.8056+130.7000/+30.8031+130.6800/+30.8013+130.6600/+30.8000+130.6411/+30.7998+130.6400/+30.7938+130.6200/+30.8000+130.6131/+30.8027+130.6000/+30.8017+130.5800/+30.8012+130.5600/+30.8003+130.5400/+30.8000+130.5264/+30.7983+130.5200/+30.7894+130.5000/+30.7846+130.4800/+30.7820+130.4600/+30.7809+130.4400/+30.7804+130.4200/+30.7802+130.4000/+30.7801+130.3800/+30.7800+130.3752/+30.7655+130.3600/+30.7605+130.3400/+30.7602+130.3200/+30.7613+130.3000/+30.7800+130.2813/+30.8000+130.2806/+30.8194+130.3000/+30.8200+130.3200/+30.8394+130.3400/+30.8398+130.3600/+30.8399+130.3800/+30.8400+130.3934/+30.8464+130.4000/+30.8571+130.4200/+30.8586+130.4400/+30.8593+130.4600/+30.8600+130.4799/+30.8601+130.4800/+30.8723+130.5000/+30.8760+130.5200/+30.8766+130.5400/+30.8783+130.5600/+30.8798+130.5800/+30.8800+130.5821/+30.8872+130.6000/+30.8941+130.6200/+30.8953+130.6400/+30.8958+130.6600/+30.8961+130.6800/+30.8962+130.7000/+30.9000+130.7115/+30.9052+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/+30.8113+130.3400/+30.8000+130.3558/+30.7800+130.3427/+30.7773+130.3400/+30.7693+130.3200/+30.7800+130.3093/+30.7812+130.3000/+30.8000+130.2812/+30.8188+130.3000/ 東 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、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。 　４日０時から４日１８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００時から０３時まで　北東　　　　　　６０ｋｍ　　２ｋｍ　　　　　 　０４日０３時から０６時まで　北東　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０６時から０９時まで　北東　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日０９時から１２時まで　東　　　　　　　８０ｋｍ　　３ｋｍ　　　　　 　０４日１２時から１５時まで　東　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０４日１５時から１８時まで　東　　　　　　　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、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。