Focal mechanism solutions obtained in this study (blue) for the Warna region using the waveform inversion approach, along with the focal mechanism of the 1967 Koyna earthquake of M 6.3 (red) by Langston (1976). Also plotted are the lineaments F1 and F4 inferred from LANDSAT imageries (Langston 1981) and F2 and F3 inferred from aeromagnetic anomalies (Agrawal et al. 2004) that are seen to correlate well with the fault planes of the estimated focal mechanisms.