<p><b>Appendix 1.</b> Chemical compositions (wt%) of volcanic glass (pumice) of event deposits (Ta1, Ha1, Mo1, and Na1) and the 33–45 ka Zenigame-Menagawa tephra (Z-M).</p><p></p><p><b>Appendix 2.</b> Chemical compositions (wt%) of mineral grains (amphibole) of event deposits (Ta1–Ta3, Ha1, Mo1, and Na1), beach sands, river sands, and the 33–45 ka Zenigame-Menagawa tephra (Z-M).</p>