R: Cross sectional Swaths of Earthquakes over Japan

NSWath {GEOmap} | R Documentation

## Cross sectional Swaths of Earthquakes over Japan

### Description

Set of 4 swaths for cross section across Japan

### Usage

    data(NSWath)

### Format

list of cross sections each conists of a list of form:

r

  r-distance along cross section (x-coordinate)

dh

  distance from cross seection

depth

  depth in cross section (y-coordinate)

flag

  index vector of which earthquakes fell in swath and depth range

InvBox

  coordinates of swath for plotting on map

### Source

Data is extrcted from an earthquake data base of relocated events provided by Robert Engdahl.

### References

Engdahl, E. R., R. D. van der Hilst, S. H. Kirby, G. Ekstrom, K. M. Shedlock, and A. F. Sheehan (1998), A global survey of slab structures and internal processes using a combined data base of high-resolution earthquake hypocenters, tomographic images and focal mechanism data, Seismol. Res. Lett., 69, 153-154.

### Examples

    ## Not run:
    data(NSWath)
    for(i in 1:length(NSWath))
    {
    dev.new()
    LAB = attr(NSWath[[i]], "LAB")

    XSECwin( NSWath[[i]] , iseclab=i, xLAB=LAB , labs=NULL, demo=TRUE  )
    }

    ## End(Not run)

[Package GEOmap version 2.4-0 Index]