Plots the logarithm of the cumulative frequency of eccedence vs. magnitude in an earthquake catalog.
should be a
other arguments to be passed to
For each magnitude mj, if Nj is the number of values of
magn1 greater than mj,
the values of log(Nj) vs. mj are plotted.
According to the Gutenberg-Richter law, this plot should be linear. If there is a linear behaviour only for values greater than a given m0, then m0 is probably the magnitude threshold of the catalog.
A new plot is printed (see details).
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Loading required package: mapdata Loading required package: maps Loading required package: rgl Warning messages: 1: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display 2: 'rgl_init' failed, running with rgl.useNULL = TRUE 3: .onUnload failed in unloadNamespace() for 'rgl', details: call: fun(...) error: object 'rgl_quit' not found
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