The knowledge of crustal stress field state is important to understand the movement and deformation of lithosphere plates. In Brazil, the stress field is poorly known due mainly the low seismicity active in the country. In this study we intend to determinate focal mechanism of several events using different techniques: P and S wave polarities, polarities ratios (pP/P, SH/P), modeling of telesseimic P wave, surface waves and full seismogram. The focal mechanisms determinations allow a better knowledge of the intraplate stress state in Brazil and will help to explain the Brazilian seismicity.
News published in Agência FAPESP Newsletter about the scholarship: