Dataset for the seismically monitored experiments of free-fall granular masses

Datasets related to the paper "Experiments on Landquakes Generated by Free-fall Granular Masses: Implications for Rockfall Impacting Dynamics", submitted to Earth and Space Science.

S1_images_the dynamic evolution of the free-fall granular masses tracked by a high-speed camera.

S2_data_ data of vertical acceleration signals for all tests recorded by an accelerometer.

S3_data_ data of the extracted seismic parameters including maximum seismic amplitude, mean frequency and radiated seismic energy for all tests.

S4_data_ data supporting the relationships between intermediate functions associated with the maximum seismic amplitude, mean frequency and seismic energy and number of particles.

S5_data_ data supporting the successive velocity profiles and acceleration profiles along the vertical direction of the granular mass.

S6_data_ data supporting the relationships between the ratio of components in a granular mass contributing to the maximum seismic amplitude with the number of layers.

S7_data_data supporting the relationships between intermediate coefficients associated with the maximum seismic amplitude, mean frequency and seismic energy and the number of layers of granular masses.

S8_data_ data of spectrogram of condition D5 computed using Stockwell transform based on the acceleration signals recorded by an accelerometer.

S9_data_ data supporting the evolutions of horizontal and vertical motion components of granular masses of tests C1-C5 over time.

S10_data_ data supporting the relationships between characteristic frequency and the velocity vector of granular masses of series C, D, E and F.