The shearwave velocity over the top 30 m subsoil (Vs30) is an important assessment parameter of seismic ground surface motion. The 30 m top layer of soil is the closest to the structure of the building, and could have different effects depending on the type of soil and topography. The Indonesian earthquake code for building and non building structures known as SNI 1726-2012 uses the directly measured Vs30 as the primary parameter to identify the stiffness effect of sediment. The Vs30 can be measured using non invasive methods, such as multi-channel analysis of surface waves (MASW). This research was carried out by correlating the Vs30 obtained from series of MASW tests with estimated Vs30 values obtained using the Wald-Allen method and the geologic age based method. The former used the Shuttle Radar Topography Mission (SRTM) 30 arcsec data, and the topographic slope was evaluated using GIS software to estimate Vs30. The latter used the data in the geologic map available. The research was focused in the Yogyakarta and Central Java area. The Wald-Allen method appeared to be more suitable for flat, low elevated area like Klaten (Central Java), while in the geologic age based method appeared to be more suitable for high elevated area like Panggang (Yogyakarta).