Equipment Landstreamer - 4.5Hz Geophones - Geode 24-channel - MASW software Unmanned aerial vehicle (UAV, drone) - DJI phantom 4 pro Software - PLAXIS 3D suite - FLAC 3D - Pix4D Mapper Seismometers - Trillium Compact (Nanometrics) - Centaur Digital Recorder (Nanometrics)