Authors
Kusala Rajendran, CP Rajendran
Publication date
1998
Journal
Current science
Volume
74
Issue
2
Pages
168-174
Publisher
Current Science Association
Description
The occurrence of a moderate earthquake near Jabalpur is an example of stable continental region (SCR) seismicity at lower crustal depths. This event is spatially associated with the Narmada–Son lineament, a continental scale structure where at least five earthquakes of M ≥ 5.4 have occurred during this century. In comparison to other moderate earthquakes in the Indian peninsular shield, the 1997 event has several peculiarities, including a relatively deeper hypocentre, lower level of aftershock activity and shorter recurrence period. In this paper, we describe certain characteristics of this event and propose a conceptual model to explain its mechanism.
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