* Astronomy

The great earthquake, which occurred in Nepal, was Bihar- Nepal earthquake of 1934 A. D. Assam great earthquake of 1897, Kangra earthquake 1905, and Assam earthquake 1950 were felt in Nepal. The earthquake of 1833 also affected the Kathmandu Valley. The record of historical earthquake is not complete which poses a problem in assessing the recurrence period of great earthquakes. From the available data there has been no great earthquakes of magnitude more than 8.0 in the gap between the earthquakes of 1905 A. D and 1934 A. D. and there is a real threat that a major earthquake may occur in this gap that will affect Western Nepal.