Application of GPS in identifying active fault plane in Western Maharashtra Peninsular shield of India |
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| Authors: | Nisha Radhakrishnan |
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| Institution: | (1) Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Piazza Roma 2, 95123 Catania, Italy; |
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| Abstract: | A broad overview of how GPS can be used to identify the active fault plane along which earthquakes occur in the seismic prone
Western Maharashtra Peninsular shield of India is given. Indian Institute of Technology, Bombay in collaboration with Indian
Institute of Geomagnetism, Mumbai was actively working in the field of crustal deformation monitoring along Western Maharashtra
from year 2004–2006. A regional GPS network had been established for this purpose, periodically observed between May 2004
to May 2006, and analysed. To understand the pattern of seismicity along Western Maharashtra region, the GPS-estimated coordinates
and displacements were used as an indicator to estimate and identify regions of high strain rates, the reliability of which
was confirmed with real seismic data collected. These strain rates were used as a means to identify the fault plane along
which the earthquakes occurred during the period of observation. |
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