Earthquake prediction in a time domain of a few weeks to months is the ultimate goal of earth scientists who have been attempting to evaluate seismic, geodetic, hydraulic, geochemical, isotopic, etc. precursors for this purpose. Two recent attempts toward earthquake forecasting in India's Koyna-Warna seismic area (Gupta et al.2006, 2007) using earthquake nucleation phenomena were successful. Other precursors such as soil gas radon were recently attempted in a reservoir-triggered seismic area (Sukhija et al. 2007). Earlier studies (Gupta et al. 2000; Chadha et al.2003, 2008) have demonstrated that pore pressure...

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