Variables:
A data frame with 1000 observations on 6 variables.
[,1]
|
lat
|
numeric
|
Latitude of event
|
[,2]
|
long
|
numeric
|
Longitude
|
[,3]
|
depth
|
numeric
|
Depth (km)
|
[,4]
|
mag
|
numeric
|
Richter Magnitude
|
[,5]
|
stations
|
numeric
|
Number of stations reporting
|
Details
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 observations.