2026-08-06T23:00:00Z 通常 気象庁本庁 気象庁 2026-08-07T08:00:00+09:00 2026-08-07T09:00:00+09:00 2026-08-08T03:00:00+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、７日０９時から１２時までは火口から西方向、７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 2026-08-07T09:00:00+09:00 2026-08-07T12:00:00+09:00 降灰 70 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西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8015+130.2200/+30.8102+130.2400/+30.8156+130.2600/+30.8188+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7812+130.2800/+30.7800+130.2608/+30.7792+130.2600/+30.7800+130.2575/+30.7842+130.2400/+30.7970+130.2200/+30.8000+130.2157/+30.8015+130.2200/ 西 8 鹿児島県三島村 4630300 2026-08-07T12:00:00+09:00 2026-08-07T15:00:00+09:00 降灰 70 +30.8812+129.6400/+30.8825+129.6600/+30.8836+129.6800/+30.8846+129.7000/+30.8859+129.7200/+30.8870+129.7400/+30.8878+129.7600/+30.8883+129.7800/+30.8800+129.7891/+30.8747+129.8000/+30.8747+129.8200/+30.8748+129.8400/+30.8747+129.8600/+30.8745+129.8800/+30.8714+129.9000/+30.8714+129.9200/+30.8718+129.9400/+30.8720+129.9600/+30.8721+129.9800/+30.8719+130.0000/+30.8600+130.0118/+30.8528+130.0200/+30.8465+130.0400/+30.8400+130.0571/+30.8400+130.0600/+30.8398+130.0800/+30.8396+130.1000/+30.8396+130.1200/+30.8395+130.1400/+30.8395+130.1600/+30.8394+130.1800/+30.8392+130.2000/+30.8387+130.2200/+30.8377+130.2400/+30.8344+130.2600/+30.8200+130.2754/+30.8199+130.2800/+30.8195+130.3000/+30.8000+130.3195/+30.7800+130.3185/+30.7616+130.3000/+30.7605+130.2800/+30.7606+130.2600/+30.7610+130.2400/+30.7619+130.2200/+30.7642+130.2000/+30.7684+130.1800/+30.7747+130.1600/+30.7800+130.1457/+30.7800+130.1400/+30.7801+130.1200/+30.7802+130.1000/+30.7803+130.0800/+30.7805+130.0600/+30.7806+130.0400/+30.7808+130.0200/+30.7810+130.0000/+30.7800+129.9840/+30.7750+129.9800/+30.7800+129.9600/+30.7800+129.9598/+30.7804+129.9400/+30.7809+129.9200/+30.7812+129.9000/+30.7800+129.8966/+30.7664+129.8800/+30.7672+129.8600/+30.7681+129.8400/+30.7688+129.8200/+30.7696+129.8000/+30.7630+129.7800/+30.7639+129.7600/+30.7651+129.7400/+30.7665+129.7200/+30.7682+129.7000/+30.7695+129.6800/+30.7711+129.6600/+30.7724+129.6400/+30.7735+129.6200/+30.7747+129.6000/+30.7761+129.5800/+30.7777+129.5600/+30.7796+129.5400/+30.7800+129.5366/+30.7819+129.5200/+30.7844+129.5000/+30.7863+129.4800/+30.7885+129.4600/+30.7900+129.4400/+30.7905+129.4200/+30.7911+129.4000/+30.7924+129.3800/+30.7938+129.3600/+30.7963+129.3400/+30.8000+129.3222/+30.8133+129.3200/+30.8200+129.3189/+30.8400+129.3157/+30.8418+129.3200/+30.8496+129.3400/+30.8558+129.3600/+30.8600+129.3761/+30.8605+129.3800/+30.8626+129.4000/+30.8639+129.4200/+30.8651+129.4400/+30.8664+129.4600/+30.8677+129.4800/+30.8690+129.5000/+30.8711+129.5200/+30.8729+129.5400/+30.8747+129.5600/+30.8765+129.5800/+30.8781+129.6000/+30.8798+129.6200/+30.8800+129.6226/+30.8812+129.6400/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8210+130.2400/+30.8200+130.2410/+30.8151+130.2600/+30.8187+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7813+130.2800/+30.7849+130.2600/+30.7910+130.2400/+30.7992+130.2200/+30.8000+130.2176/+30.8066+130.2200/+30.8200+130.2326/+30.8210+130.2400/ 西 8 鹿児島県三島村 4630300 2026-08-07T15:00:00+09:00 2026-08-07T18:00:00+09:00 降灰 70 +30.9217+129.6000/+30.9221+129.6200/+30.9225+129.6400/+30.9230+129.6600/+30.9234+129.6800/+30.9239+129.7000/+30.9263+129.7200/+30.9288+129.7400/+30.9293+129.7600/+30.9278+129.7800/+30.9263+129.8000/+30.9200+129.8047/+30.9138+129.8200/+30.9135+129.8400/+30.9136+129.8600/+30.9137+129.8800/+30.9126+129.9000/+30.9000+129.9154/+30.8982+129.9200/+30.8984+129.9400/+30.8973+129.9600/+30.8944+129.9800/+30.8909+130.0000/+30.8838+130.0200/+30.8800+130.0312/+30.8753+130.0400/+30.8705+130.0600/+30.8625+130.0800/+30.8640+130.1000/+30.8607+130.1200/+30.8600+130.1213/+30.8582+130.1400/+30.8536+130.1600/+30.8444+130.1800/+30.8400+130.1880/+30.8399+130.2000/+30.8398+130.2200/+30.8396+130.2400/+30.8390+130.2600/+30.8300+130.2800/+30.8200+130.2900/+30.8196+130.3000/+30.8124+130.3200/+30.8000+130.3324/+30.7800+130.3255/+30.7745+130.3200/+30.7612+130.3000/+30.7606+130.2800/+30.7615+130.2600/+30.7653+130.2400/+30.7800+130.2203/+30.7800+130.2200/+30.7801+130.2000/+30.7802+130.1800/+30.7803+130.1600/+30.7805+130.1400/+30.7809+130.1200/+30.7814+130.1000/+30.7825+130.0800/+30.7838+130.0600/+30.7869+130.0400/+30.7895+130.0200/+30.7953+130.0000/+30.7844+129.9800/+30.7860+129.9600/+30.7881+129.9400/+30.7906+129.9200/+30.7950+129.9000/+30.8000+129.8874/+30.8011+129.8800/+30.8022+129.8600/+30.8036+129.8400/+30.8044+129.8200/+30.8053+129.8000/+30.8052+129.7800/+30.8070+129.7600/+30.8086+129.7400/+30.8101+129.7200/+30.8119+129.7000/+30.8132+129.6800/+30.8147+129.6600/+30.8160+129.6400/+30.8170+129.6200/+30.8181+129.6000/+30.8200+129.5848/+30.8207+129.5800/+30.8239+129.5600/+30.8266+129.5400/+30.8283+129.5200/+30.8302+129.5000/+30.8325+129.4800/+30.8351+129.4600/+30.8374+129.4400/+30.8395+129.4200/+30.8400+129.4158/+30.8442+129.4000/+30.8513+129.3800/+30.8588+129.3600/+30.8600+129.3545/+30.8800+129.3536/+30.9000+129.3525/+30.9006+129.3600/+30.9021+129.3800/+30.9034+129.4000/+30.9061+129.4200/+30.9085+129.4400/+30.9107+129.4600/+30.9127+129.4800/+30.9145+129.5000/+30.9150+129.5200/+30.9155+129.5400/+30.9170+129.5600/+30.9195+129.5800/+30.9200+129.5847/+30.9217+129.6000/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8237+130.2400/+30.8200+130.2437/+30.8150+130.2600/+30.8187+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7813+130.2800/+30.7850+130.2600/+30.7921+130.2400/+30.8000+130.2201/+30.8200+130.2222/+30.8237+130.2400/ 西 7 鹿児島県三島村 4630300 2026-08-07T18:00:00+09:00 2026-08-07T21:00:00+09:00 降灰 70 +30.9203+129.3200/+30.9237+129.3400/+30.9256+129.3600/+30.9264+129.3800/+30.9270+129.4000/+30.9273+129.4200/+30.9275+129.4400/+30.9273+129.4600/+30.9267+129.4800/+30.9262+129.5000/+30.9266+129.5200/+30.9270+129.5400/+30.9273+129.5600/+30.9275+129.5800/+30.9277+129.6000/+30.9275+129.6200/+30.9273+129.6400/+30.9268+129.6600/+30.9260+129.6800/+30.9251+129.7000/+30.9242+129.7200/+30.9233+129.7400/+30.9226+129.7600/+30.9221+129.7800/+30.9216+129.8000/+30.9200+129.8011/+30.9110+129.8200/+30.9102+129.8400/+30.9095+129.8600/+30.9088+129.8800/+30.9073+129.9000/+30.9000+129.9074/+30.8938+129.9200/+30.8929+129.9400/+30.8913+129.9600/+30.8884+129.9800/+30.8837+130.0000/+30.8800+130.0038/+30.8720+130.0200/+30.8607+130.0400/+30.8600+130.0410/+30.8595+130.0600/+30.8591+130.0800/+30.8588+130.1000/+30.8582+130.1200/+30.8558+130.1400/+30.8432+130.1600/+30.8400+130.1638/+30.8398+130.1800/+30.8398+130.2000/+30.8397+130.2200/+30.8396+130.2400/+30.8392+130.2600/+30.8347+130.2800/+30.8200+130.2947/+30.8196+130.3000/+30.8000+130.3196/+30.7800+130.3184/+30.7617+130.3000/+30.7607+130.2800/+30.7616+130.2600/+30.7676+130.2400/+30.7800+130.2264/+30.7801+130.2200/+30.7801+130.2000/+30.7802+130.1800/+30.7803+130.1600/+30.7806+130.1400/+30.7810+130.1200/+30.7820+130.1000/+30.7835+130.0800/+30.7859+130.0600/+30.7903+130.0400/+30.7999+130.0200/+30.8000+130.0193/+30.8002+130.0000/+30.8000+129.9990/+30.7848+129.9800/+30.7869+129.9600/+30.7901+129.9400/+30.7941+129.9200/+30.7977+129.9000/+30.8000+129.8931/+30.8013+129.8800/+30.8025+129.8600/+30.8039+129.8400/+30.8051+129.8200/+30.8065+129.8000/+30.8063+129.7800/+30.8078+129.7600/+30.8095+129.7400/+30.8114+129.7200/+30.8137+129.7000/+30.8155+129.6800/+30.8176+129.6600/+30.8200+129.6400/+30.8200+129.6397/+30.8228+129.6200/+30.8264+129.6000/+30.8291+129.5800/+30.8324+129.5600/+30.8362+129.5400/+30.8400+129.5234/+30.8411+129.5200/+30.8476+129.5000/+30.8520+129.4800/+30.8564+129.4600/+30.8600+129.4418/+30.8603+129.4400/+30.8634+129.4200/+30.8666+129.4000/+30.8688+129.3800/+30.8712+129.3600/+30.8744+129.3400/+30.8786+129.3200/+30.8800+129.3140/+30.8834+129.3000/+30.8872+129.2800/+30.8909+129.2600/+30.8950+129.2400/+30.8998+129.2200/+30.9000+129.2193/+30.9002+129.2200/+30.9068+129.2400/+30.9115+129.2600/+30.9142+129.2800/+30.9163+129.3000/+30.9200+129.3182/+30.9203+129.3200/ 西 100 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8265+130.2400/+30.8303+130.2600/+30.8200+130.2703/+30.8187+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7813+130.2800/+30.7851+130.2600/+30.7929+130.2400/+30.8000+130.2250/+30.8200+130.2238/+30.8265+130.2400/ 西 7 鹿児島県三島村 4630300 2026-08-07T21:00:00+09:00 2026-08-08T00:00:00+09:00 降灰 70 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西 100 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8272+130.2400/+30.8304+130.2600/+30.8200+130.2704/+30.8187+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7813+130.2800/+30.7856+130.2600/+30.7927+130.2400/+30.8000+130.2246/+30.8200+130.2248/+30.8272+130.2400/ 西 7 鹿児島県三島村 4630300 2026-08-08T00:00:00+09:00 2026-08-08T03:00:00+09:00 降灰 70 +31.0439+129.3000/+31.0404+129.3200/+31.0400+129.3228/+31.0369+129.3200/+31.0341+129.3000/+31.0400+129.2943/+31.0439+129.3000/ +31.0401+129.3800/+31.0414+129.4000/+31.0400+129.4044/+31.0352+129.4200/+31.0313+129.4400/+31.0294+129.4600/+31.0286+129.4800/+31.0280+129.5000/+31.0254+129.5200/+31.0229+129.5400/+31.0200+129.5598/+31.0200+129.5600/+31.0163+129.5800/+31.0123+129.6000/+31.0058+129.6200/+31.0000+129.6338/+30.9985+129.6400/+30.9947+129.6600/+30.9918+129.6800/+30.9894+129.7000/+30.9879+129.7200/+30.9865+129.7400/+30.9850+129.7600/+30.9830+129.7800/+30.9808+129.8000/+30.9800+129.8054/+30.9600+129.8180/+30.9591+129.8200/+30.9569+129.8400/+30.9552+129.8600/+30.9534+129.8800/+30.9516+129.9000/+30.9489+129.9200/+30.9400+129.9307/+30.9354+129.9400/+30.9332+129.9600/+30.9305+129.9800/+30.9247+130.0000/+30.9200+130.0100/+30.9000+130.0172/+30.8993+130.0200/+30.8978+130.0400/+30.8952+130.0600/+30.8845+130.0800/+30.8800+130.0854/+30.8794+130.1000/+30.8785+130.1200/+30.8751+130.1400/+30.8600+130.1568/+30.8599+130.1600/+30.8596+130.1800/+30.8588+130.2000/+30.8484+130.2200/+30.8400+130.2289/+30.8399+130.2400/+30.8398+130.2600/+30.8389+130.2800/+30.8200+130.2991/+30.8197+130.3000/+30.8000+130.3197/+30.7800+130.3176/+30.7625+130.3000/+30.7624+130.2800/+30.7800+130.2622/+30.7801+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7809+130.2000/+30.7862+130.1800/+30.8000+130.1648/+30.8002+130.1600/+30.8005+130.1400/+30.8013+130.1200/+30.8038+130.1000/+30.8136+130.0800/+30.8200+130.0713/+30.8206+130.0600/+30.8215+130.0400/+30.8235+130.0200/+30.8283+130.0000/+30.8210+129.9800/+30.8307+129.9600/+30.8400+129.9488/+30.8410+129.9400/+30.8428+129.9200/+30.8445+129.9000/+30.8447+129.8800/+30.8465+129.8600/+30.8492+129.8400/+30.8528+129.8200/+30.8600+129.8007/+30.8604+129.8000/+30.8617+129.7800/+30.8656+129.7600/+30.8702+129.7400/+30.8752+129.7200/+30.8800+129.7070/+30.8833+129.7000/+30.8916+129.6800/+30.9000+129.6663/+30.9022+129.6600/+30.9074+129.6400/+30.9114+129.6200/+30.9158+129.6000/+30.9200+129.5831/+30.9209+129.5800/+30.9274+129.5600/+30.9333+129.5400/+30.9378+129.5200/+30.9400+129.5117/+30.9444+129.5000/+30.9542+129.4800/+30.9600+129.4686/+30.9641+129.4600/+30.9706+129.4400/+30.9749+129.4200/+30.9790+129.4000/+30.9800+129.3959/+30.9842+129.3800/+30.9902+129.3600/+30.9962+129.3400/+31.0000+129.3266/+31.0200+129.3276/+31.0318+129.3400/+31.0365+129.3600/+31.0400+129.3785/+31.0401+129.3800/ 西 100 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8258+130.2400/+30.8324+130.2600/+30.8339+130.2800/+30.8200+130.2939/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7814+130.2800/+30.7858+130.2600/+30.7933+130.2400/+30.8000+130.2296/+30.8200+130.2264/+30.8258+130.2400/ 北西 7 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、７日０９時から１２時までは火口から西方向、７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。 　７日９時から８日３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 　０７日０９時から１２時まで　西　　　　　　　９０ｋｍ　　８ｋｍ　　　　　 　０７日１２時から１５時まで　西　　　　　　　９０ｋｍ　　８ｋｍ　　　　　 　０７日１５時から１８時まで　西　　　　　　　９０ｋｍ　　７ｋｍ　　　　　 　０７日１８時から２１時まで　西　　　　　　　１００ｋｍ　７ｋｍ　　　　　 　０７日２１時から２４時まで　西　　　　　　　１００ｋｍ　７ｋｍ　　　　　 　０８日００時から０３時まで　西　　　　　　　１００ｋｍ　７ｋｍ　　　　　 　 　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。 　強風のため、遠方まで小さな噴石が流されるおそれがあります。