Math Formulation for Ray Trace from Hypocenter Scan, Directed by Geodesic Paths on Spheroid (In Routine “VXplane transformWX [GZ3D(…)].h”)| Chapter 10 | Newest Updates in Physical Science Research Vol. 2

 This paper describes a method for conducting a rapid search for the localization of Earthquake foci (Hypocenters) when taking into account the Earth's spheroidal geometry. The scan is divided into two parts: first, geodesic pathways are laid out on the spheroidal surface between the known epicentre and each of the active sensors (sensors for which a large number of P-wave onsets are known), and then the scan can be performed using these pathways as guides for the P2P ray tracing used to shape the scan itself.

Author (S) Details

G. R. Daglish
Independent Analysis and Computation Ltd, Camberley UK.

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