2026-10-10T05:00:00Z 通常 気象庁本庁 気象庁 2026-10-10T14:00:00+09:00 2026-10-10T15:00:00+09:00 2026-10-11T09:00:00+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 2026-10-10T15:00:00+09:00 2026-10-10T18:00:00+09:00 降灰 70 +31.0000+129.5400/+31.0000+129.5402/+30.9999+129.5400/+31.0000+129.5395/+31.0000+129.5400/ +30.9805+129.6000/+30.9800+129.6092/+30.9796+129.6200/+30.9790+129.6400/+30.9777+129.6600/+30.9758+129.6800/+30.9744+129.7000/+30.9709+129.7200/+30.9670+129.7400/+30.9616+129.7600/+30.9600+129.7645/+30.9547+129.7800/+30.9493+129.8000/+30.9463+129.8200/+30.9437+129.8400/+30.9400+129.8571/+30.9392+129.8600/+30.9323+129.8800/+30.9208+129.9000/+30.9200+129.9031/+30.9187+129.9200/+30.9147+129.9400/+30.9068+129.9600/+30.9000+129.9689/+30.8987+129.9800/+30.8971+130.0000/+30.8828+130.0200/+30.8800+130.0237/+30.8786+130.0400/+30.8773+130.0600/+30.8749+130.0800/+30.8694+130.1000/+30.8600+130.1124/+30.8596+130.1200/+30.8591+130.1400/+30.8582+130.1600/+30.8555+130.1800/+30.8400+130.1988/+30.8400+130.2000/+30.8398+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8370+130.2800/+30.8200+130.2978/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7605+130.3000/+30.7604+130.2800/+30.7621+130.2600/+30.7800+130.2412/+30.7800+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7806+130.1800/+30.7813+130.1600/+30.7832+130.1400/+30.7885+130.1200/+30.8000+130.1019/+30.8001+130.1000/+30.8007+130.0800/+30.8017+130.0600/+30.8032+130.0400/+30.8052+130.0200/+30.8114+130.0000/+30.8056+129.9800/+30.8095+129.9600/+30.8163+129.9400/+30.8200+129.9320/+30.8250+129.9200/+30.8341+129.9000/+30.8392+129.8800/+30.8400+129.8787/+30.8433+129.8600/+30.8475+129.8400/+30.8503+129.8200/+30.8545+129.8000/+30.8600+129.7841/+30.8617+129.7800/+30.8666+129.7600/+30.8717+129.7400/+30.8772+129.7200/+30.8800+129.7121/+30.8851+129.7000/+30.8959+129.6800/+30.9000+129.6745/+30.9120+129.6600/+30.9200+129.6414/+30.9205+129.6400/+30.9260+129.6200/+30.9314+129.6000/+30.9400+129.5809/+30.9414+129.5800/+30.9600+129.5655/+30.9773+129.5800/+30.9800+129.5947/+30.9805+129.6000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8009+130.2600/+30.8160+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7841+130.2800/+30.7994+130.2600/+30.8000+130.2591/+30.8009+130.2600/ 西 4 鹿児島県三島村 4630300 2026-10-10T18:00:00+09:00 2026-10-10T21:00:00+09:00 降灰 70 +31.0070+129.6000/+31.0080+129.6200/+31.0087+129.6400/+31.0072+129.6600/+31.0036+129.6800/+31.0002+129.7000/+31.0000+129.7004/+30.9930+129.7200/+30.9890+129.7400/+30.9853+129.7600/+30.9810+129.7800/+30.9800+129.7854/+30.9773+129.8000/+30.9690+129.8200/+30.9600+129.8339/+30.9590+129.8400/+30.9556+129.8600/+30.9527+129.8800/+30.9504+129.9000/+30.9477+129.9200/+30.9400+129.9322/+30.9363+129.9400/+30.9318+129.9600/+30.9256+129.9800/+30.9200+129.9958/+30.9189+130.0000/+30.9000+130.0188/+30.8997+130.0200/+30.8973+130.0400/+30.8933+130.0600/+30.8832+130.0800/+30.8800+130.0845/+30.8788+130.1000/+30.8766+130.1200/+30.8720+130.1400/+30.8600+130.1546/+30.8597+130.1600/+30.8591+130.1800/+30.8574+130.2000/+30.8400+130.2199/+30.8400+130.2200/+30.8399+130.2400/+30.8398+130.2600/+30.8386+130.2800/+30.8200+130.2991/+30.8199+130.3000/+30.8000+130.3199/+30.7800+130.3197/+30.7604+130.3000/+30.7605+130.2800/+30.7753+130.2600/+30.7800+130.2552/+30.7801+130.2400/+30.7802+130.2200/+30.7807+130.2000/+30.7833+130.1800/+30.8000+130.1610/+30.8001+130.1600/+30.8005+130.1400/+30.8013+130.1200/+30.8035+130.1000/+30.8106+130.0800/+30.8200+130.0674/+30.8206+130.0600/+30.8217+130.0400/+30.8236+130.0200/+30.8289+130.0000/+30.8248+129.9800/+30.8381+129.9600/+30.8400+129.9578/+30.8431+129.9400/+30.8463+129.9200/+30.8502+129.9000/+30.8526+129.8800/+30.8572+129.8600/+30.8600+129.8518/+30.8657+129.8400/+30.8749+129.8200/+30.8800+129.8129/+30.8847+129.8000/+30.8829+129.7800/+30.8975+129.7600/+30.9000+129.7566/+30.9099+129.7400/+30.9164+129.7200/+30.9200+129.7084/+30.9226+129.7000/+30.9304+129.6800/+30.9400+129.6613/+30.9416+129.6600/+30.9600+129.6420/+30.9647+129.6400/+30.9800+129.6280/+30.9853+129.6200/+30.9927+129.6000/+31.0000+129.5875/+31.0070+129.6000/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8151+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7849+130.2800/+30.8000+130.2609/+30.8151+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-10T21:00:00+09:00 2026-10-11T00:00:00+09:00 降灰 70 +31.0086+129.6800/+31.0148+129.7000/+31.0163+129.7200/+31.0173+129.7400/+31.0157+129.7600/+31.0117+129.7800/+31.0077+129.8000/+31.0000+129.8155/+30.9984+129.8200/+30.9931+129.8400/+30.9883+129.8600/+30.9840+129.8800/+30.9800+129.8951/+30.9784+129.9000/+30.9697+129.9200/+30.9600+129.9291/+30.9565+129.9400/+30.9521+129.9600/+30.9460+129.9800/+30.9400+129.9941/+30.9386+130.0000/+30.9344+130.0200/+30.9200+130.0337/+30.9167+130.0400/+30.9119+130.0600/+30.9000+130.0766/+30.8993+130.0800/+30.8967+130.1000/+30.8911+130.1200/+30.8800+130.1336/+30.8793+130.1400/+30.8772+130.1600/+30.8685+130.1800/+30.8600+130.1890/+30.8595+130.2000/+30.8584+130.2200/+30.8421+130.2400/+30.8400+130.2420/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7609+130.2800/+30.7800+130.2608/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7845+130.2000/+30.8000+130.1837/+30.8003+130.1800/+30.8009+130.1600/+30.8028+130.1400/+30.8115+130.1200/+30.8200+130.1093/+30.8208+130.1000/+30.8227+130.0800/+30.8264+130.0600/+30.8400+130.0402/+30.8400+130.0400/+30.8423+130.0200/+30.8437+130.0000/+30.8459+129.9800/+30.8499+129.9600/+30.8581+129.9400/+30.8600+129.9367/+30.8675+129.9200/+30.8738+129.9000/+30.8800+129.8881/+30.8833+129.8800/+30.8882+129.8600/+30.8955+129.8400/+30.9000+129.8252/+30.9020+129.8200/+30.9134+129.8000/+30.9200+129.7836/+30.9213+129.7800/+30.9294+129.7600/+30.9392+129.7400/+30.9400+129.7385/+30.9600+129.7201/+30.9603+129.7200/+30.9800+129.7052/+30.9839+129.7000/+30.9934+129.6800/+31.0000+129.6647/+31.0086+129.6800/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8133+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7868+130.2800/+30.8000+130.2638/+30.8133+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T00:00:00+09:00 2026-10-11T03:00:00+09:00 降灰 70 +31.0487+129.7200/+31.0528+129.7400/+31.0506+129.7600/+31.0467+129.7800/+31.0444+129.8000/+31.0400+129.8141/+31.0388+129.8200/+31.0353+129.8400/+31.0294+129.8600/+31.0200+129.8772/+31.0189+129.8800/+31.0088+129.9000/+31.0000+129.9102/+30.9971+129.9200/+30.9928+129.9400/+30.9813+129.9600/+30.9800+129.9625/+30.9719+129.9800/+30.9600+129.9951/+30.9589+130.0000/+30.9545+130.0200/+30.9474+130.0400/+30.9400+130.0481/+30.9263+130.0600/+30.9200+130.0681/+30.9181+130.0800/+30.9125+130.1000/+30.9000+130.1149/+30.8991+130.1200/+30.8959+130.1400/+30.8800+130.1587/+30.8798+130.1600/+30.8780+130.1800/+30.8669+130.2000/+30.8600+130.2070/+30.8596+130.2200/+30.8574+130.2400/+30.8400+130.2575/+30.8399+130.2600/+30.8398+130.2800/+30.8304+130.3000/+30.8200+130.3104/+30.8028+130.3200/+30.8000+130.3228/+30.7960+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7614+130.2800/+30.7800+130.2614/+30.7801+130.2600/+30.7802+130.2400/+30.7834+130.2200/+30.8000+130.2032/+30.8003+130.2000/+30.8011+130.1800/+30.8078+130.1600/+30.8200+130.1472/+30.8207+130.1400/+30.8226+130.1200/+30.8324+130.1000/+30.8400+130.0912/+30.8414+130.0800/+30.8443+130.0600/+30.8555+130.0400/+30.8600+130.0342/+30.8624+130.0200/+30.8603+130.0000/+30.8681+129.9800/+30.8758+129.9600/+30.8800+129.9525/+30.8870+129.9400/+30.9000+129.9256/+30.9025+129.9200/+30.9000+129.9035/+30.8987+129.9000/+30.9000+129.8975/+30.9150+129.8800/+30.9200+129.8734/+30.9256+129.8600/+30.9350+129.8400/+30.9400+129.8260/+30.9428+129.8200/+30.9594+129.8000/+30.9600+129.7991/+30.9696+129.7800/+30.9800+129.7622/+30.9814+129.7600/+30.9943+129.7400/+31.0000+129.7325/+31.0200+129.7283/+31.0340+129.7200/+31.0400+129.7105/+31.0487+129.7200/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8162+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7864+130.2800/+30.8000+130.2634/+30.8162+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T03:00:00+09:00 2026-10-11T06:00:00+09:00 降灰 70 +31.0622+129.7000/+31.0642+129.7200/+31.0653+129.7400/+31.0631+129.7600/+31.0600+129.7718/+31.0573+129.7800/+31.0527+129.8000/+31.0434+129.8200/+31.0400+129.8279/+31.0367+129.8400/+31.0312+129.8600/+31.0225+129.8800/+31.0200+129.8864/+31.0127+129.9000/+31.0000+129.9142/+30.9982+129.9200/+30.9942+129.9400/+30.9849+129.9600/+30.9800+129.9687/+30.9739+129.9800/+30.9600+129.9985/+30.9596+130.0000/+30.9556+130.0200/+30.9487+130.0400/+30.9400+130.0488/+30.9295+130.0600/+30.9200+130.0750/+30.9193+130.0800/+30.9143+130.1000/+30.9000+130.1172/+30.8994+130.1200/+30.8965+130.1400/+30.8800+130.1596/+30.8800+130.1600/+30.8788+130.1800/+30.8715+130.2000/+30.8600+130.2118/+30.8597+130.2200/+30.8580+130.2400/+30.8400+130.2583/+30.8399+130.2600/+30.8398+130.2800/+30.8337+130.3000/+30.8200+130.3134/+30.8023+130.3200/+30.8000+130.3223/+30.7965+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7615+130.2800/+30.7800+130.2615/+30.7801+130.2600/+30.7803+130.2400/+30.7837+130.2200/+30.8000+130.2035/+30.8003+130.2000/+30.8012+130.1800/+30.8085+130.1600/+30.8200+130.1479/+30.8208+130.1400/+30.8230+130.1200/+30.8359+130.1000/+30.8400+130.0953/+30.8419+130.0800/+30.8473+130.0600/+30.8600+130.0423/+30.8605+130.0400/+30.8640+130.0200/+30.8626+130.0000/+30.8707+129.9800/+30.8800+129.9608/+30.8804+129.9600/+30.8932+129.9400/+30.9000+129.9333/+30.9047+129.9200/+30.9027+129.9000/+30.9200+129.8845/+30.9234+129.8800/+30.9302+129.8600/+30.9400+129.8414/+30.9409+129.8400/+30.9512+129.8200/+30.9600+129.8072/+30.9644+129.8000/+30.9724+129.7800/+30.9800+129.7650/+30.9830+129.7600/+30.9971+129.7400/+31.0000+129.7368/+31.0200+129.7278/+31.0294+129.7200/+31.0400+129.7042/+31.0512+129.7000/+31.0600+129.6965/+31.0622+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8166+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7871+130.2800/+30.8000+130.2642/+30.8166+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-10-11T06:00:00+09:00 2026-10-11T09:00:00+09:00 降灰 70 +31.1033+129.6800/+31.1106+129.7000/+31.1014+129.7200/+31.1000+129.7226/+31.0856+129.7400/+31.0815+129.7600/+31.0800+129.7664/+31.0777+129.7800/+31.0754+129.8000/+31.0657+129.8200/+31.0600+129.8288/+31.0525+129.8400/+31.0431+129.8600/+31.0400+129.8628/+31.0322+129.8800/+31.0267+129.9000/+31.0200+129.9172/+31.0187+129.9200/+31.0058+129.9400/+31.0000+129.9450/+30.9950+129.9600/+30.9876+129.9800/+30.9800+129.9946/+30.9774+130.0000/+30.9600+130.0195/+30.9599+130.0200/+30.9557+130.0400/+30.9400+130.0557/+30.9360+130.0600/+30.9230+130.0800/+30.9200+130.0834/+30.9173+130.1000/+30.9059+130.1200/+30.9000+130.1266/+30.8987+130.1400/+30.8918+130.1600/+30.8800+130.1725/+30.8794+130.1800/+30.8759+130.2000/+30.8600+130.2161/+30.8598+130.2200/+30.8591+130.2400/+30.8400+130.2594/+30.8400+130.2600/+30.8399+130.2800/+30.8355+130.3000/+30.8200+130.3154/+30.8044+130.3200/+30.8000+130.3243/+30.7936+130.3200/+30.7800+130.3197/+30.7605+130.3000/+30.7620+130.2800/+30.7800+130.2620/+30.7801+130.2600/+30.7805+130.2400/+30.8000+130.2203/+30.8001+130.2200/+30.8005+130.2000/+30.8059+130.1800/+30.8200+130.1656/+30.8205+130.1600/+30.8230+130.1400/+30.8400+130.1210/+30.8402+130.1200/+30.8422+130.1000/+30.8510+130.0800/+30.8600+130.0702/+30.8618+130.0600/+30.8694+130.0400/+30.8800+130.0271/+30.8817+130.0200/+30.8800+130.0083/+30.8737+130.0000/+30.8800+129.9909/+30.8914+129.9800/+30.9000+129.9699/+30.9023+129.9600/+30.9075+129.9400/+30.9198+129.9200/+30.9200+129.9195/+30.9261+129.9000/+30.9353+129.8800/+30.9400+129.8683/+30.9452+129.8600/+30.9600+129.8476/+30.9664+129.8400/+30.9734+129.8200/+30.9800+129.8044/+30.9831+129.8000/+30.9969+129.7800/+31.0000+129.7769/+31.0190+129.7600/+31.0200+129.7586/+31.0317+129.7400/+31.0400+129.7278/+31.0532+129.7200/+31.0600+129.7146/+31.0776+129.7000/+31.0800+129.6978/+31.0961+129.6800/+31.1000+129.6749/+31.1033+129.6800/ 北西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8156+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7878+130.2800/+30.8000+130.2647/+30.8156+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　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　１０日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　１０日２１時から２４時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日００時から０３時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０３時から０６時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　１１日０６時から０９時まで　北西　　　　　　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 　 　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。