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TauP.R (version 1.0)

Earthquake Traveltime Calculations for 1-D Earth Models

Description

Evaluates traveltimes and ray paths using predefined Earth (or other planet) models. Includes phase plotting routines. The IASP91 and AK135 Earth models are included, and most important arrival phases can be evaluated.

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Version

Install

install.packages('TauP.R')

Monthly Downloads

15

Version

1.0

License

GPL

Maintainer

Jake Anderson

Last Published

May 23rd, 2011

Functions in TauP.R (1.0)

Identify Discontinuities

Travel time for Ray Parameter

Improve Planet Model

Linear Interpolation of Planet Model

Calculate Horizontal Travel

Teleseismic Ray Tracing and Arrival Times

ak135 Earth Model

Calculate Layer Traveltime

ConvP2Vdepthinv

Vertex Depth and Ray Parameter

Earthquake traveltimes

Read Model File

Calculate Traveltime along Ray Leg

Find Distance of p Function

Analyze Low Velocity Zones

Linear Interpolation

Hone Ray Parameter

Polar Plot Axis

Flat Earth Transformation

Empty Planet Model

Vertex Depth to Ray Parameter

Ray Parameter for Epicentral Distance

StripRepetitions

Remove Repetitions from Phase

Find Slope and Intercept

Ray Parameter Range for Phase

Planet Cross-section

IASP91 Earth Model

Find Roots of X(a) Error Function

Angle to Ray Parameter

Arrival Summary

ak135 Earth Model

Find Extrema in D(a)

Distance Along Great Circle Arc

Horizontal Distance along Ray Leg

Epicentral Distance