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Seismic event location: nonlinear inversion using a neighbourhood algorithm

Sambridge, Malcolm; Kennett, Brian

Description

A recently developed direct search method for inversion, known as a neighbourhood algorithm (NA), is applied to the hypocentre location problem. Like some previous methods the algorithm uses randomised, or stochastic, sampling of a four-dimensional hypocentral parameter space, to search for solutions with acceptable data fit. Considerable flexibility is allowed in the choice of misfit measure. At each stage the hypocentral parameter space is partitioned into a series of convex polygons called...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
URI: http://hdl.handle.net/1885/89457
Source: Pure and Applied Geophysics

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