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Microearthquake Seismology and Seismotectonics of South Asia

  • Book
  • © 2008

Overview

  • Covers topics ranging from basics of plate tectonics, seismology, data acquisition, seismogram analysis to use of software for earthquake locations, relocations, fault plane solutions, seismic tomography, fractals and waveform modeling
  • Illustrates seismotectonics/ models in different tectonic zones in the 2500 km long Himalayan arc, 2000 km long Indo-Burma-Sumatra arc and in the stable continental region of the Indian subcontinent including peninsular India, Bangladesh and Sri Lanka
  • A large data set from the permanent and temporary seismograph networks and aftershock data of recent large earthquakes in the region is used to image crustal structure and the seismogenic sources
  • Review of huge contributions and researches done on geophysics, geology and seismology in the past and present contributions by different National and International Seismological Projects and Workshops in South Asia region are made
  • Topics like seismic hazard, paleoseismology, earthquake precursor, induced seismicity, tsunamis are also dealt with by field examples

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Table of contents (7 chapters)

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About this book

Hardly a week passes without our learning of natural geologic disaster somewhere in the world, be it a volcanic eruption, landslide, or destructive earthquake. The prominent public notice given to such events is not only the result of better communications, but also results from the increased impact of these events on a growing human population. In recent years, the population has increased greatly in regions of active tectonics. Northern India and the surrounding areas are prime examples. The consequence is that people and their man-made structures are concentrated close to active faults and steep, landslide-prone terrains. In just the past several years, even moderate earthquakes with seismic magnitudes less than 6. 5 have killed as many as 20,000 people precisely because these earthquakes occurred directly beneath population centres in central India. The greater Himalayan region, including the Ganges Plain, is a prime example of the coexistence of a pronounced geological hazard with a growing human population. Due in part to the spectacular topography, the region has long attracted scientific investigations, and may be considered as the birthplace of modern studies of earthquake hazards. R. D. Oldham (1858-1936) of the Geological Survey of India played a prominent role in the development of modern studies of historical seismicity, active faulting and seismic wave analysis. Oldham published extensively on the earthquakes and the geology of India, including his report entitled “Catalogue of Indian earthquakes from the earliest time to the end of A. D. 1869” (Mem. Geol. Surv.

Authors and Affiliations

  • Geological Survey of India, Kolkata, India

    J. R. Kayal

  • Jadavpur University, Kolkata, India

    J. R. Kayal

  • Indian School of Mines, Dhanbad, India

    J. R. Kayal

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