 The study found that dissolution textures were dominant in quartz grains collected from Morocco and Mataquito after the 2010 Moll tsunami, but the percentage of grains with fresh surfaces and percussion marks was significantly lower than average values. The geomorphological setting of the areas analyzed influenced the microtextral signatures observed, with dissolution features more abundant in headlands or small capes and a higher presence of mechanical marks in sandy embayments. The results suggest that without a detailed geomorphological contextualization, microtextral discrimination can lead to misleading interpretations, highlighting the need for more microtextral analysis on tsunami deposits to assess variability in geographic distribution, and intensity of microtextures imprinted on quartz grains during a tsunami event. This article was authored by PJM Costa, DeRestero de Silva, Alfie Guerin has, and others. We are article.tv, links in the description below.