were placed to collect the overflow occasioned by a seismic tremor. These
instruments gave viable evidence of a seismic event but were unable to trace a
permanent record of the seismic wave itself. They are classified as
Tutor Marked Assignment
Q1. What are seismographs?
Q2. List and Explain different types of seismograph you have learnt in this
References/ Further Readings
Kearey, P., Brooks, M. and Hill, I.
(2002) An Introduction
toGeophysicalExploration (Third Edition), Blackwell Science, Oxford, 262 pp.
(2003) Field Geophysics (Third Edition). John Wiley and Sons Ltd.
McCann, D.M., Fenning, P. and Cripps, J.
(Eds) (1995) Modern
Geophysicsin Engineering Geology, Engineering Group of the Geological
Society, London, 519 pp.
Mussett, A.E. and Khan, M.A.
(2000) Looking into the Earth: An Introduction
to Geological Geophysics, Cambridge University Press, Cambridge,
(1996) Principles of Applied Geophysics (Fifth Edition
Chapman & Hall, London, 456 pp.
(1997) An Introduction to Applied and Environmental
Geophysics, Wiley, Chichester, 796 pp.
(1997) Environmental and Engineering Geophysics, Cambridge
University Press, Cambridge, 475 pp.
Telford, W.M., Geldart, L.P., Sheriff, R.E. and Keys, D.A.
Geophysics (Second Edition), Cambridge University Press,
Cambridge, 770 pp.
(Ed.) (1981) Geophysical Case Study of the Woodlawn Orebody,
New South Wales, Australia, Pergamon Press, Oxford, 588 pp.
(1961) The reciprocal method of routine shallow seismic
refraction investigations. Geophysics,