Geophysical Measurement Methods study the Earth as a physical system with a layered and complex structure with differences in physical characteristics between layers of crustal rock that form the structure of the Earth which can be determined through field surveys, survey data collection and processing techniques that involve the application of geophysical methods, both single methods and combination methods. Although data collection (both single and combined methods) relies on field surveys, the role of modeling (both 2D and 3D) of subsurface and near-surface structures is crucial in the process of identifying and characterizing the physical system being studied. The geophysical methods studied in lectures are gravity methods, seismic methods (reflection, refraction, tomography), magnetic methods, geoelectric methods, and electromagnetic methods.