iasp91: IASP91 Earth Model

In TauP.R: Earthquake Traveltime Calculations for 1-D Earth Models

Description

Planet model using the data from the IASP91 1-D model.

Usage

data(iasp91)

Format

List with following elements:

z

Sample depths (km)

vp

Sample P wave velocities (km/s)

vs

Sample S wave velocities (km/s)

rho

Sample densities (kg/m^3)

qp

P attenuation

qs

S attenuation

name

Model name

rp

Planet radius

year

Year published

conr

Depth to Conrad (upper crust/lower crust) discontinuity

moho

Depth to Mohorovicic (top of mantle) discontinuity

d410

Depth to top of transition zone

d520

Depth to olivine beta-gamma transition

d660

Depth to top of lower mantle

cmb

Depth to core-mantle boundary

icb

Depth to inner core boundary

References

Kennet BLN, Engdahl ER, 1991. Traveltimes for global earthquake location and phase identification. Geophysical Journal International 105(2) 429-465. doi:10.1111/j.1365-246X.1991.tb06724.x

Examples

data(iasp91)

Earthplot(iasp91)

Traveltime('P', 60, 0, iasp91)

Example output

$tt
[1] 608.142

$p
[1] 6.878037

$angles
[1] 21.02424

$dists
[1] 60

TauP.R documentation built on May 2, 2019, 3:25 a.m.