2026-08-08T17:00:00Z 通常 気象庁本庁 気象庁 2026-08-09T02:00:00+09:00 2026-08-09T03:00:00+09:00 2026-08-09T21:00:00+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、９日０９時から１２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 2026-08-09T03:00:00+09:00 2026-08-09T06:00:00+09:00 降灰 70 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+30.9247+130.0400/+30.9265+130.0600/+30.9200+130.0711/+30.9113+130.0600/+30.9174+130.0400/+30.9200+130.0296/+30.9247+130.0400/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8211+130.2600/+30.8200+130.2611/+30.8171+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7830+130.2800/+30.7949+130.2600/+30.8000+130.2513/+30.8200+130.2574/+30.8211+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T06:00:00+09:00 2026-08-09T09:00:00+09:00 降灰 70 +31.0486+129.5000/+31.0499+129.5200/+31.0506+129.5400/+31.0459+129.5600/+31.0400+129.5739/+31.0376+129.5800/+31.0329+129.6000/+31.0285+129.6200/+31.0253+129.6400/+31.0227+129.6600/+31.0200+129.6793/+31.0199+129.6800/+31.0170+129.7000/+31.0102+129.7200/+31.0005+129.7400/+31.0000+129.7409/+30.9949+129.7600/+30.9908+129.7800/+30.9877+129.8000/+30.9847+129.8200/+30.9800+129.8306/+30.9742+129.8400/+30.9624+129.8600/+30.9600+129.8626/+30.9563+129.8800/+30.9541+129.9000/+30.9517+129.9200/+30.9400+129.9377/+30.9388+129.9400/+30.9352+129.9600/+30.9324+129.9800/+30.9288+130.0000/+30.9215+130.0200/+30.9200+130.0215/+30.9000+130.0274/+30.8986+130.0400/+30.8963+130.0600/+30.8898+130.0800/+30.8800+130.0908/+30.8794+130.1000/+30.8787+130.1200/+30.8782+130.1400/+30.8712+130.1600/+30.8654+130.1800/+30.8600+130.1932/+30.8598+130.2000/+30.8561+130.2200/+30.8475+130.2400/+30.8400+130.2482/+30.8398+130.2600/+30.8393+130.2800/+30.8200+130.3000/+30.8112+130.3200/+30.8000+130.3312/+30.7800+130.3231/+30.7769+130.3200/+30.7607+130.3000/+30.7610+130.2800/+30.7800+130.2606/+30.7800+130.2600/+30.7801+130.2400/+30.7802+130.2200/+30.7808+130.2000/+30.7850+130.1800/+30.8000+130.1638/+30.8002+130.1600/+30.8006+130.1400/+30.8016+130.1200/+30.8047+130.1000/+30.8200+130.0801/+30.8200+130.0800/+30.8212+130.0600/+30.8224+130.0400/+30.8254+130.0200/+30.8330+130.0000/+30.8317+129.9800/+30.8400+129.9690/+30.8412+129.9600/+30.8440+129.9400/+30.8481+129.9200/+30.8531+129.9000/+30.8535+129.8800/+30.8585+129.8600/+30.8600+129.8559/+30.8690+129.8400/+30.8800+129.8212/+30.8803+129.8200/+30.8858+129.8000/+30.8816+129.7800/+30.8943+129.7600/+30.9000+129.7524/+30.9052+129.7400/+30.9112+129.7200/+30.9177+129.7000/+30.9200+129.6921/+30.9241+129.6800/+30.9335+129.6600/+30.9400+129.6478/+30.9466+129.6400/+30.9599+129.6200/+30.9600+129.6198/+30.9698+129.6000/+30.9761+129.5800/+30.9800+129.5678/+30.9825+129.5600/+30.9897+129.5400/+30.9993+129.5200/+31.0000+129.5186/+31.0200+129.5115/+31.0314+129.5000/+31.0400+129.4897/+31.0486+129.5000/ 西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8207+130.2600/+30.8245+130.2800/+30.8200+130.2845/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7831+130.2800/+30.7926+130.2600/+30.8000+130.2486/+30.8200+130.2582/+30.8207+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T09:00:00+09:00 2026-08-09T12:00:00+09:00 降灰 70 +31.1046+129.4600/+31.1096+129.4800/+31.1120+129.5000/+31.1055+129.5200/+31.1000+129.5359/+31.0922+129.5400/+31.0809+129.5600/+31.0800+129.5630/+31.0770+129.5800/+31.0754+129.6000/+31.0720+129.6200/+31.0689+129.6400/+31.0632+129.6600/+31.0600+129.6665/+31.0520+129.6800/+31.0426+129.7000/+31.0400+129.7063/+31.0363+129.7200/+31.0319+129.7400/+31.0276+129.7600/+31.0214+129.7800/+31.0200+129.7837/+31.0126+129.8000/+31.0000+129.8183/+30.9995+129.8200/+30.9928+129.8400/+30.9895+129.8600/+30.9846+129.8800/+30.9800+129.8942/+30.9773+129.9000/+30.9600+129.9185/+30.9596+129.9200/+30.9543+129.9400/+30.9496+129.9600/+30.9400+129.9765/+30.9389+129.9800/+30.9358+130.0000/+30.9323+130.0200/+30.9200+130.0318/+30.9114+130.0400/+30.9000+130.0547/+30.8993+130.0600/+30.8975+130.0800/+30.8908+130.1000/+30.8800+130.1125/+30.8794+130.1200/+30.8786+130.1400/+30.8734+130.1600/+30.8600+130.1747/+30.8598+130.1800/+30.8593+130.2000/+30.8562+130.2200/+30.8400+130.2369/+30.8399+130.2400/+30.8398+130.2600/+30.8394+130.2800/+30.8233+130.3000/+30.8200+130.3033/+30.8000+130.3199/+30.7800+130.3191/+30.7610+130.3000/+30.7612+130.2800/+30.7800+130.2609/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7812+130.2000/+30.7901+130.1800/+30.8000+130.1697/+30.8004+130.1600/+30.8010+130.1400/+30.8030+130.1200/+30.8125+130.1000/+30.8200+130.0906/+30.8208+130.0800/+30.8225+130.0600/+30.8263+130.0400/+30.8364+130.0200/+30.8400+130.0152/+30.8418+130.0000/+30.8425+129.9800/+30.8450+129.9600/+30.8497+129.9400/+30.8596+129.9200/+30.8600+129.9190/+30.8644+129.9000/+30.8694+129.8800/+30.8800+129.8660/+30.8816+129.8600/+30.8881+129.8400/+30.8927+129.8200/+30.9000+129.8022/+30.9013+129.8000/+30.9099+129.7800/+30.9168+129.7600/+30.9200+129.7506/+30.9244+129.7400/+30.9337+129.7200/+30.9400+129.7107/+30.9485+129.7000/+30.9592+129.6800/+30.9600+129.6787/+30.9688+129.6600/+30.9777+129.6400/+30.9800+129.6349/+30.9881+129.6200/+31.0000+129.6035/+31.0039+129.6000/+31.0184+129.5800/+31.0200+129.5775/+31.0307+129.5600/+31.0400+129.5426/+31.0436+129.5400/+31.0600+129.5232/+31.0668+129.5200/+31.0758+129.5000/+31.0800+129.4936/+31.0877+129.4800/+31.0966+129.4600/+31.1000+129.4518/+31.1046+129.4600/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8232+130.2600/+30.8235+130.2800/+30.8200+130.2835/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7829+130.2800/+30.7933+130.2600/+30.8000+130.2481/+30.8200+130.2536/+30.8232+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T12:00:00+09:00 2026-08-09T15:00:00+09:00 降灰 70 +31.1010+129.4600/+31.1047+129.4800/+31.1070+129.5000/+31.1027+129.5200/+31.1000+129.5328/+31.0862+129.5200/+31.0848+129.5000/+31.0930+129.4800/+31.0991+129.4600/+31.1000+129.4577/+31.1010+129.4600/ +31.0811+129.5600/+31.0810+129.5800/+31.0810+129.6000/+31.0800+129.6034/+31.0753+129.6200/+31.0702+129.6400/+31.0641+129.6600/+31.0600+129.6692/+31.0542+129.6800/+31.0464+129.7000/+31.0400+129.7173/+31.0393+129.7200/+31.0350+129.7400/+31.0314+129.7600/+31.0272+129.7800/+31.0221+129.8000/+31.0200+129.8048/+31.0111+129.8200/+31.0000+129.8274/+30.9945+129.8400/+30.9911+129.8600/+30.9867+129.8800/+30.9810+129.9000/+30.9800+129.9025/+30.9684+129.9200/+30.9600+129.9259/+30.9559+129.9400/+30.9518+129.9600/+30.9436+129.9800/+30.9400+129.9871/+30.9377+130.0000/+30.9345+130.0200/+30.9200+130.0338/+30.9152+130.0400/+30.9042+130.0600/+30.9000+130.0650/+30.8985+130.0800/+30.8963+130.1000/+30.8854+130.1200/+30.8800+130.1291/+30.8796+130.1400/+30.8776+130.1600/+30.8661+130.1800/+30.8600+130.1893/+30.8597+130.2000/+30.8580+130.2200/+30.8400+130.2395/+30.8400+130.2400/+30.8399+130.2600/+30.8395+130.2800/+30.8236+130.3000/+30.8200+130.3036/+30.8000+130.3200/+30.7800+130.3195/+30.7608+130.3000/+30.7612+130.2800/+30.7800+130.2610/+30.7800+130.2600/+30.7801+130.2400/+30.7803+130.2200/+30.7819+130.2000/+30.7999+130.1800/+30.8000+130.1799/+30.8005+130.1600/+30.8015+130.1400/+30.8055+130.1200/+30.8200+130.1022/+30.8203+130.1000/+30.8216+130.0800/+30.8243+130.0600/+30.8316+130.0400/+30.8400+130.0278/+30.8411+130.0200/+30.8426+130.0000/+30.8441+129.9800/+30.8476+129.9600/+30.8554+129.9400/+30.8600+129.9327/+30.8649+129.9200/+30.8697+129.9000/+30.8800+129.8818/+30.8807+129.8800/+30.8845+129.8600/+30.8903+129.8400/+30.8954+129.8200/+30.9000+129.8090/+30.9043+129.8000/+30.9122+129.7800/+30.9195+129.7600/+30.9200+129.7586/+30.9281+129.7400/+30.9381+129.7200/+30.9400+129.7173/+30.9519+129.7000/+30.9600+129.6852/+30.9624+129.6800/+30.9728+129.6600/+30.9800+129.6459/+30.9834+129.6400/+30.9955+129.6200/+31.0000+129.6142/+31.0113+129.6000/+31.0200+129.5846/+31.0228+129.5800/+31.0359+129.5600/+31.0400+129.5529/+31.0575+129.5400/+31.0600+129.5367/+31.0760+129.5400/+31.0800+129.5472/+31.0811+129.5600/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8208+130.2600/+30.8248+130.2800/+30.8200+130.2848/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7834+130.2800/+30.7936+130.2600/+30.8000+130.2501/+30.8200+130.2582/+30.8208+130.2600/ 北西 5 鹿児島県三島村 4630300 2026-08-09T15:00:00+09:00 2026-08-09T18:00:00+09:00 降灰 70 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西 80 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8103+130.2600/+30.8167+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7833+130.2800/+30.7949+130.2600/+30.8000+130.2509/+30.8103+130.2600/ 西 4 鹿児島県三島村 4630300 2026-08-09T18:00:00+09:00 2026-08-09T21:00:00+09:00 降灰 70 +31.0058+129.4200/+31.0109+129.4400/+31.0133+129.4600/+31.0146+129.4800/+31.0155+129.5000/+31.0120+129.5200/+31.0083+129.5400/+31.0034+129.5600/+31.0000+129.5704/+30.9937+129.5800/+30.9875+129.6000/+30.9845+129.6200/+30.9830+129.6400/+30.9819+129.6600/+30.9811+129.6800/+30.9804+129.7000/+30.9800+129.7030/+30.9778+129.7200/+30.9748+129.7400/+30.9709+129.7600/+30.9655+129.7800/+30.9600+129.7951/+30.9586+129.8000/+30.9510+129.8200/+30.9492+129.8400/+30.9463+129.8600/+30.9417+129.8800/+30.9400+129.8870/+30.9358+129.9000/+30.9316+129.9200/+30.9235+129.9400/+30.9200+129.9506/+30.9177+129.9600/+30.9076+129.9800/+30.9000+129.9903/+30.8992+130.0000/+30.8927+130.0200/+30.8831+130.0400/+30.8800+130.0440/+30.8790+130.0600/+30.8780+130.0800/+30.8752+130.1000/+30.8645+130.1200/+30.8600+130.1250/+30.8595+130.1400/+30.8591+130.1600/+30.8578+130.1800/+30.8461+130.2000/+30.8400+130.2063/+30.8399+130.2200/+30.8398+130.2400/+30.8396+130.2600/+30.8370+130.2800/+30.8200+130.2971/+30.8199+130.3000/+30.8000+130.3198/+30.7800+130.3194/+30.7606+130.3000/+30.7605+130.2800/+30.7629+130.2600/+30.7800+130.2425/+30.7801+130.2400/+30.7801+130.2200/+30.7803+130.2000/+30.7808+130.1800/+30.7824+130.1600/+30.7889+130.1400/+30.8000+130.1245/+30.8002+130.1200/+30.8009+130.1000/+30.8020+130.0800/+30.8047+130.0600/+30.8100+130.0400/+30.8200+130.0208/+30.8201+130.0200/+30.8216+130.0000/+30.8200+129.9916/+30.8103+129.9800/+30.8172+129.9600/+30.8200+129.9538/+30.8257+129.9400/+30.8386+129.9200/+30.8400+129.9179/+30.8422+129.9000/+30.8435+129.8800/+30.8458+129.8600/+30.8490+129.8400/+30.8521+129.8200/+30.8574+129.8000/+30.8600+129.7903/+30.8626+129.7800/+30.8668+129.7600/+30.8713+129.7400/+30.8757+129.7200/+30.8800+129.7057/+30.8820+129.7000/+30.8909+129.6800/+30.9000+129.6666/+30.9044+129.6600/+30.9135+129.6400/+30.9200+129.6219/+30.9207+129.6200/+30.9280+129.6000/+30.9322+129.5800/+30.9370+129.5600/+30.9400+129.5507/+30.9473+129.5400/+30.9600+129.5210/+30.9610+129.5200/+30.9719+129.5000/+30.9790+129.4800/+30.9800+129.4767/+30.9848+129.4600/+30.9902+129.4400/+30.9960+129.4200/+31.0000+129.4067/+31.0058+129.4200/ 西 90 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8067+130.2600/+30.8165+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7835+130.2800/+30.7933+130.2600/+30.8000+130.2485/+30.8067+130.2600/ 西 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、９日０９時から１２時までは火口から西方向に降灰が予想されます。 　９日３時から９日２１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 　０９日０３時から０６時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０６時から０９時まで　西　　　　　　　８０ｋｍ　　５ｋｍ　　　　　 　０９日０９時から１２時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０９日１２時から１５時まで　西　　　　　　　９０ｋｍ　　５ｋｍ　　　　　 　０９日１５時から１８時まで　西　　　　　　　８０ｋｍ　　４ｋｍ　　　　　 　０９日１８時から２１時まで　西　　　　　　　９０ｋｍ　　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 　 　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。