RTOMO (version 1.1-3)

HELMOD: Tomographic Model of Mt. Saint Helens subsurface

Description

Three-dimensional Tomographic Model of Mt. Saint Helens subsurface

Usage

data(HELMOD)

Format

name

name of file

A

list origin information

lat

latitude, signed decimal degree (West is negative)

lon

longitude, signed decimal degree

nx

dimension or number of nodes in x-direction

ny

dimension or number of nodes in y-direction

nz

dimension or number of nodes in z-direction

dx

delta x

dy

delta y

skip

skipping flag

D

depths in Z, km

V

background model for 1D structure

MOD

3D model structure

x

x divisions (nodes in x, km)

y

y divisions (nodes in y, km)

References

Lees, J. M. (1992): The magma system of Mount St. Helens: Non-linear high resolution P-wave tomography, J. Volc. Geoth. Res., 53(1-4), 103-116.

Examples

data(HELMOD)
## maybe str(HELMOD) ; plot(HELMOD) ...