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Dive into the research topics where P. Solomon Raju is active.

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Featured researches published by P. Solomon Raju.


Journal of The Geological Society of India | 2015

Seismicity studies in eastern Dharwar craton and neighbouring tectonic regions

D. Srinagesh; R. K. Chadha; P. Solomon Raju; G. Suresh; R. Vijayaraghavan; A. N. S. Sarma; M. Sekhar; Y V V B S N Murty

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.


Seismological Research Letters | 2012

The ISLANDS Network in the Andaman–Nicobar Subduction Zone

G. Srijayanthi; M. Ravi Kumar; T. Sirisha; K. Sushini; G. Srihari Prasad; P. Solomon Raju; Arun Kumar Singh; N. Purnachandra Rao

### Tectonics The Andaman–Nicobar Islands form the central part of the 5,000-km-long Burma–Sunda–Java subduction complex. The islands, situated to the southwest of the Indian subcontinent, currently overlie one of the most seismically active regions of the world. The complexity of this active tectonic region can be attributed to several factors, including oblique subduction, arc volcanism, and the ill-defined Andaman spreading ridge in the Andaman Sea. The oceanic lithosphere of the Indian plate subducts eastward below the oceanic part of the Burmese plate in southeast Asia (Curray et al. , 1979) identified by the Andaman–Sumatra trench and accretionary subduction complex ridges to the west of the Andaman Islands. The Andaman Sea, lying east of these islands, is a pull-apart basin rather than a typical backarc basin (Curray, 1989). The region comprises the West Andaman fault (WAF), the Sumatra fault system, and a spreading center spanning 10°–12°N in the Andaman Sea (Fig. 1). Also, the Sagaing fault, situated further east and characterized by transform faulting, demarcates the eastern boundary of the Burmese plate (Curray et al. , 1979). The central lowlands are separated from the eastern highlands of Burma by this Sagaing fault, which continues to the Andaman Sea rift zone. The young Barren and Narcondam volcanoes within the Andaman Sea, lying 150 km east of the main islands, are interpreted as a part of the inner arc. The Narcondam volcano is calm, with no historically known activity (Pal et al. , 2007). However, the Barren is designated as an active volcano that erupted in March 1991, after lying dormant for nearly two centuries and subsequently erupting in 1994–1995, 2005–2006, and 2008–2009 (Rajendran et al. , 2003; Sheth et al. , 2010). The region between the Andaman Islands and the volcanic arc is described as the foredeep sedimentary trough (Dickinson and Seely, 1979 …


Bulletin of the Seismological Society of America | 2010

Transverse Tectonics in the Sikkim Himalaya: Evidence from Seismicity and Focal-Mechanism Data

Pinki Hazarika; M. Ravi Kumar; G. Srijayanthi; P. Solomon Raju; N. Purnachandra Rao; D. Srinagesh


Geophysical Research Letters | 2004

Crustal structure variations in northeast India from converted phases

M. Ravi Kumar; P. Solomon Raju; E. Uma Devi; Joachim Saul; D. S. Ramesh


Tectonics | 2010

Seismic structure of the underthrusting Indian crust in Sikkim Himalaya

Arun Kumar Singh; M. Ravi Kumar; P. Solomon Raju


Geophysical Research Letters | 2005

Moho geometry and upper mantle images of northeast India

D. S. Ramesh; M. Ravi Kumar; E. Uma Devi; P. Solomon Raju; Xiaohui Yuan


Physics of the Earth and Planetary Interiors | 2007

Mantle deformation in Sikkim and adjoining Himalaya: Evidences for a complex flow pattern

Arun Kumar Singh; M. Ravi Kumar; P. Solomon Raju


Geophysical Research Letters | 2006

Shear wave anisotropy of the northeast Indian lithosphere

Arun Kumar Singh; M. Ravi Kumar; P. Solomon Raju; D. S. Ramesh


Physics of the Earth and Planetary Interiors | 2010

Shear wave anisotropy of the Godavari rift in the south Indian shield: Rift signature or APM related strain?

Narendra Kumar; M. Ravi Kumar; Arun Kumar Singh; P. Solomon Raju; N. Purnachandra Rao


Precambrian Research | 2012

Seismic signatures of an altered crust and a normal transition zone structure beneath the Godavari rift

Arun Kumar Singh; M. Ravi Kumar; Narendra Kumar; Dipankar Saikia; P. Solomon Raju; D. Srinagesh; N. Purnachandra Rao; Dipankar Sarkar

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M. Ravi Kumar

National Geophysical Research Institute

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Arun Kumar Singh

Indian Institute of Technology Kharagpur

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D. S. Ramesh

National Geophysical Research Institute

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N. Purnachandra Rao

Council of Scientific and Industrial Research

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E. Uma Devi

National Geophysical Research Institute

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D. Srinagesh

Council of Scientific and Industrial Research

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G. Srijayanthi

Council of Scientific and Industrial Research

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C. V. Ramakrishna Rao

National Geophysical Research Institute

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Dipankar Saikia

Indian National Centre for Ocean Information Services

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K. Sushini

National Geophysical Research Institute

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