Palliser Earthquake Catalogue

Description

The Palliser Catalogue contains events from the original Wellington Catalogue with magnitude >= 2.5, depth <= 40 km, between 1 Jan 1990 and 31 Dec 1991, and within a 36 km radius of 41.684deg S and 175.503deg E.

Usage

data(Palliser)

Format

This data frame has class "catalogue" and contains the following columns:

latitude

number of degrees north.

longitude

number of degrees east.

magnitude

event magnitude.

depth

event depth (km).

missing.time

always "".

time

vector of event dates and times with class "datetimes".

Source

These data originate from the original Wellington Catalogue which was administered by the Institute of Geological and Nuclear Sciences, Lower Hutt, NZ.

Examples

data(Palliser)
summary(Palliser)

#    Reset the time origin to 1 January 1990
#    Useful for fitting models where this time is "zero"
Palliser$time <- Palliser$time - julian(1,1,1990)
attr(Palliser$time, "origin") <- c(month=1, day=1, year=1990)