Faulting in Deccan Traps in the vicinity of Koyna-Warna Seismic Zone

Studies of sustained activity in the Koyna — Warna Seismic Zone have yielded several models of faults in the basement of the Deccan Traps inferred from geophysical and seismic signatures. There is however, a dearth of unambiguous surface manifestations of such faults, apart from the surface ruptures...

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Bibliographic Details
Published in:Journal of the Geological Society of India 2017-12, Vol.90 (6), p.748-751
Main Authors: Bhave, Neha, Imran Siddique, M., Desai, Jayesh, Pillai, Shilpa Patil, Dole, Gauri, Kulkarni, Himanshu, Kale, Vivek S.
Format: Article
Language:English
Subjects:
Basalt
Earth and Environmental Science
Earth Sciences
Earthquakes
Fault lines
Faults
Geological faults
Geology
Geophysics
Hydrogeology
Seismic activity
Seismic analysis
Seismic zones
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Summary:Studies of sustained activity in the Koyna — Warna Seismic Zone have yielded several models of faults in the basement of the Deccan Traps inferred from geophysical and seismic signatures. There is however, a dearth of unambiguous surface manifestations of such faults, apart from the surface ruptures from the epicentral zone of the December, 1967 earthquake. We report for the first time, an exposed NW-SE trending reverse fault in the Deccan Trap basalts from this region.
ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-017-0786-5