Investigations on the aftershock sequence of the great Assam earthquake of August 15, 1950 | Zendy

R. K. S. CHOUHAN | Zendy; V. K. Gaur | Zendy; Jyoti Singh | Zendy

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Investigations on the aftershock sequence of the great Assam earthquake of August 15, 1950

Author(s) -

R. K. S. CHOUHAN,

V. K. Gaur,

Jyoti Singh

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-4923

Subject(s) - aftershock , seismology , geology , sequence (biology) , fault (geology) , fault plane , slip (aerodynamics) , strike slip tectonics , foreshock , geodesy , engineering , genetics , aerospace engineering , biology

The strain release curve of the aftershock sequence of the great Assam earthquake of August 15, 1950 exhibits three linear segments. A secondary aftershock sequence has also been reported; the strain release curve in this case is also linear. The b value, using the maximum likelihood method of Utsu, for the sequence is 0.52 ± 0.095. The fault plane solution shows that the fault strikes almost cast-west and dips northward at an angle of 80°; the motion is predominently strike slip (right lateral type). The spatial distribution of aftershocks shows two main centers of activity at the two ends of the probable fault

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