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Authors
Affiliations
1 National Geophysical Research Institute, Hyderabad 500007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 34, No 2 (1989), Pagination: 147-151
Abstract
The Idukki earthquake with epicentre around Nedumkandam, approximately 20 km east of the Tdukki reservoir, has been in the news. A detailed gravity profile from Bangalore to Trivandrum across Cardamom-Palni hill ranges has delineated a fault type of anomaly coinciding with the epicentre of the earthquake whose modeHing suggests a shallow fault extending up to 10-11 km. This feature being associated with a thick crust in this region controlled by deep faults might have got reactivated to cause this earthquake.
