Professor Kil-Wan Ko’s paper, "Estimation of Timing of Liquefaction using Spectral Energy Ratio," has been selected as an Editor's Choice article by Journal of Geotechnical and Geoenvironmental Engineering, ASCE. The Editor’s Choice is a recognition awarded monthly to a single paper that demonstrates outstanding scholarly contribution. The selected article is made freely accessible for one month and will thereafter be permanently included in the journal’s Editor’s Choice Collection.