The relationship between the body wave and the local magnitudes for Himalayan earthquakes

M. P. CHHABRA, R. K. S. CHAUHAN, H. N. SRIVASTAVA, H. M. CHAUDHITRY

Abstract


Body wave (MB ) and local magnitude (ML) were determined
for earthquakes occurring within the epicentral range of 2 to 10°
f r om New Delhi during the years 1965-1974. The following relationships
between t h em were found to hold good.
M l = (0.95 ± 1.4) + (0.81 ± 0.06) M B (A = 2» to 5°)
ML = (1.26 ± 0.76) + (0.76 ± 0.02) M B (A = 5° to 10°)
ML = (1-00 ± 0.57) + (0.80 ± 0.01) M B (A = 2° to 10»)
The regional variation of ( MCGS — -MB) has been discussed in terms
of the focal mechanism and other parameters. It has been found t h at
(MCGS— MB) is positive near India-Nepal and Tibet border while elsewhere
it is generally negative.

Full Text:

PDF

References


DOI: https://doi.org/10.4401/ag-4909
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it (Read more).
Ok


Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X