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Seismological Trends in Indian Subcontinent

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Author Affiliations

  • 1Department of Geology, University of Lucknow, Lucknow, U.P., India
  • 2GIPL, Energy Division, Prabhadevi, Mumbai, Maharashtra, India
  • 3Department of Geology, University of Lucknow, Lucknow, U.P., India
  • 4Department of Geology, University of Lucknow, Lucknow, U.P., India

Int. Res. J. Earth Sci., Volume 4, Issue (5), Pages 11-17, May,25 (2016)

Abstract

Earthquakes are the most perilous natural events that leave their imprint on geological, ecological as well as socio-economic aspects, as measured on the Richter scale. Earthquakes produce due to sudden release of energy from inside the earth’s crust triggered by the tectonic activities and rock masses move in relation to one another. The movement and straining of rock masses against one another developing numerous fractures or slips. These structures are designated as geologic faults. The major fault lines are associated with tectonic plates of earth crust. At present, the movement of Indian plate continues at the rate of 3.7 centimeter per year in North East direction and putting enormous pressure on the Eurasian plate. The effect of plate-tectonic forces acting in this region is to compress the part of Asia including India. The tremendous amount of stress generated within the Earth's crust, and released periodically by earthquakes along the numerous faults that shape the topography of in Indian sub continents such as in the year 1819, 1881, 1897, 1905, 1934, 1941, 1950, 2001, 2004 and 2015 some of along the plate boundaries and some are not. World's most destructive earthquakes in the history are also related to these continuing tectonic processes when the Indian and Eurasian continent collides. The present paper as an attempt, to find out the seismological trends of major earthquakes (magnitude more than or equal to 7 on Richter scale) on the basis of the nature of movement of Indian plate and also to find out the faceable zones of earthquake occurrences in near future related to Indian subcontinent.

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