The data set give the locations of 1000 seismic events of MB > 4.0.
The events occurred in a cube near Fiji since 1964.
A data frame with 1000 observations on 5 variables.
Latitude of event
There are two clear planes of seismic activity. One is a major plate
junction; the other is the Tonga trench off New Zealand. These data
constitute a subsample from a larger dataset of containing 5000