magnitude.time {ssEDA}R Documentation

Magnitude Time Plot

Description

Plots event magnitudes over time.

Usage

magnitude.time(events)

Arguments

events defines the events to be plotted. It is an object of class "subset", generally created by subsetcircle, subsetpolygon, subsetrect or subsetsphere.

See Also

depth.hist, freq.cusum, freq.magnitude, magnitude.cusum, epicentres, threeD, timeplot, multigraph

Examples

#    This example requires the NZ catalogue

require(ssNZ)

#   Make the Wellington Catalogue
as.catalogue(subsetrect(NZ, minlat=-42.2, maxlat=-40.5,
             minlong=173.6, maxlong=176.0, minday=julian(1,1,1978)),
             catname="Wellington")

#    Cape Palliser Earthquake Sequence
b <- subsetcircle(Wellington, centrelong=175.5, centrelat=-41.65,
                  maxradius=20, minday=julian(1,1,1990),
                  maxday=julian(1,1,1993), maxdepth=40)
magnitude.time(b)
title(main="Cape Palliser Earthquake Sequence")
[Package ssEDA version 2.2-1 Index]