Abstract
THE peninsular shield of India has long been regarded as a stable region. The area had not been subject to orogenic deformation since the Pre-Cambrian, although a vast area (5 × 105 square km) was flooded by basalts during Late Cretaceous to the Eocene—the Deccan Trap. Several years ago, a small dam was built across the Koyna river, some 200 km south-east of Bombay (Fig. 1). The dam reservoir filled in stages, beginning with the monsoon of 1962, and reached a capacity of 2 × 109 m3 and a maximum depth of about 70 m1.
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LEE, W., RALEIGH, C. Fault-plane Solution of the Koyna (India) Earthquake. Nature 223, 172–173 (1969). https://doi.org/10.1038/223172a0
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DOI: https://doi.org/10.1038/223172a0
