Abstract
Despite the prevailing concept about the stability of Indian Shield, available geophysical and geomorphic data spell out clearly that the terrane is tectonically quite unstable. Geomorphotectonically, the Indian Crust is fragmented by intersecting fractures called Lineaments. Movement along the fractures causes earthquakes, which bound the rigid aseismic blocks. In fact, all the Lineaments in the peninsular Indian Shield is reported to be tectonically active. Maximum geomorphic changes in the Indian Shield were during the Quaternary. The concept of paleoseismicity emerged for the past earthquakes most of which are beyond the access to the instrument, beyond 75 years or so. Because of that, the records of past earthquakes are determined from the information from historical and archaeological references beyond that on the study of fault, which are considered the best evidence of paleoseismicity.
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