“…The HVSR method was introduced by Nogoshi and Igarashi (1971) and later developed by Nakamura (1989). Since its introduction, the application of the HVSR method has increased in research worldwide (Ahn et al, 2021;Maghami et al, 2021;Zavala et al, 2021). The HVSR method has the advantage that it does not contain source effects (noise) on the power spectrum density and does not depend on the availability of adjacent hard rock sites (Kumar et al, 2021).…”