2 UNDOCUMENTED HISTORIC EARTHQUAKES AND ADDITIONAL INFORMATION ON THEMAJOR EARTHQUAKE OF 1 SEPTEMBER 1803 FROM NORTH-INDIA

Information about historic earthquakes noted in the records of the Pes hwa period is extracted. It reveals in north Indian plains occurrence of two earthquakes not documented in the existing catalogues of Indian earthquakes. one event was felt near Delhi on 10 October 1760 and the other at Varanasi on 30 September 1803. Some additional information a bout the documented earthquake of 1 September 1803 has become availabl e. It suggests that this major earthquake had its epicentre in the Gar hwal area of Hinlalaya and it caused simultaneous damage in Allahabad, Varanasi and Gaya cities in the Gangetic plains.