According to a paper co-authored by Professor Dr. Roger Bilham of University of Colarado and Professor Dr. Vinod Gaur of Indian Institute of Astrophysics, an earthquake, the magnitude of 6 plus on the Richter scale, can occur in Jaitapur. The paper was published in Current Science, a prestigious Indian journal published by Current Science Association and the Indian Academy of Sciences.
Here's a video of their press conference by Satyen K. Bordoloi, an independent journalist.