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

M. P. CHHABRA | Zendy; Ranu Chauhan | Zendy; H. N. Srivastava | Zendy; H. M. CHAUDHITRY | Zendy

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

Author(s) -

M. P. CHHABRA,

Ranu Chauhan,

H. N. Srivastava,

H. M. CHAUDHITRY

Publication year - 2010

Publication title -

annals of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 60

eISSN - 2037-416X

pISSN - 1593-5213

DOI - 10.4401/ag-4909

Subject(s) - seismology , magnitude (astronomy) , geology , range (aeronautics) , physics , geodesy , materials science , astrophysics , composite material

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

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