Directories: JGR-JK_Qc_data_2ts-90/ Contains 696 vertical component waveform data of 90 s duration each in Seismic Analysis Code (SAC) binary format. JGR-JK_Qc_data_2ts-90/ASCII_Qc_data/ Contains the above vertical component waveform data in ascii format (time, amplitude) Noise_traces_JK_Qc/ Contains 20 pre-signal noise traces of 10 s duration each in Seismic Analysis Code (SAC) binary format. Noise_traces_JK_Qc/ASCII_noise_data/ Contains the noise data in ascii format (time, amplitude)