Seismicity studies in eastern Dharwar craton and neighbouring tectonic regions

Various developmental activities like installation of hydroelectric projects, multipurpose projects, nuclear power plants, rapid urbanization and industrial growth needs mapping seismically active faults and correlating with the regional tectonics. This is the present day demand from the society to...

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Bibliographic Details
Published in:Journal of the Geological Society of India 2015-04, Vol.85 (4), p.419-430
Main Authors: Srinagesh, D., Chadha, R. K., Solomon Raju, P., Suresh, G., Vijayaraghavan, R., Sarma, A. N. S., Sekhar, M., Murty, Y V V B S N
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Earthquakes
Geology
Hydrogeology
Plate tectonics
Seismology
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Summary:Various developmental activities like installation of hydroelectric projects, multipurpose projects, nuclear power plants, rapid urbanization and industrial growth needs mapping seismically active faults and correlating with the regional tectonics. This is the present day demand from the society to seismologists at large. To meet this demand the agencies involved in earthquake research, National Geophysical Research Institute (NGRI), recently commissioned state of art broad band seismological networks in Andhra Pradesh and adjoining states in southern peninsular shield to study the seismic activity in eastern Dharwar craton. Installation of seismic networks namely Andhra Pradesh seismic network, Koyna seismic network, and shield seismic networks operated by National Geophysical Research Institute in southern peninsular shield tremendously improved the capabilities of monitoring the earthquake activity in near real time. This article deals with the application and necessity of monitoring micro earthquake activity by installing network of seismic stations along pre existing zones of weakness, which have been earlier subjected to major earthquakes like Kinnerasani-Godavari fault (Bhadrachalam region), Gundlakamma river fault (Ongole region) and characterizing the nature of faulting associated with the above.
ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-015-0232-5