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Seismic waves from finite faults in layered media

DEPARTMENT OF MATHEMATICS AND STATITICS UNIVERSITY OF CALGARY, ALBERTA, Canada
DEPARTMENT OF MATHEMATICAL SCIENCES TEL-AVIV UNIVERSITY, TEL-AVIV, Israel

Abstract

The time-dependent solution for a multipolar source in a structure consisting of a homogeneous layer over a homogeneous half-space is obtained as a sum of generalized rays. Numerical seismograms are calculated for a horizontal strikeslip and a horizontal dip-slip for a point-source, a finite line-source, and a finite two-dimensional source in the form of a rectangle. For comparison, the displacements in a homogeneous space and half-space are also calculated.

The seismograms for finite sources are similar to those for a point-source but show less conspicuous phases, the arriving pulses being wider and less sharp.

This article has been cited by other articles:

				F. ABRAMOVICI The exact solution to the problem of an SH pulse in a layered elastic half-space Bulletin of the Seismological Society of America, April 1, 1984; 74(2): 377 - 393. [Abstract] [PDF]

				F. ABRAMOVICI, E. R. KANASEWICH, and P. G. KELAMIS Seismic waves from a horizontal stress discontinuity in a layered solid Bulletin of the Seismological Society of America, October 1, 1982; 72(5): 1483 - 1498. [Abstract] [PDF]