Bay Area Earthquakes

SUMMARY:

The quakes.bay data frame is a marked spatial point pattern data set listing the location, time and magnitude of earthquakes in the San Francisco Bay Area from 1962 to 1981.

DATA DESCRIPTION:

The data frame contains the following columns:

ARGUMENTS:

longitude
negative longitude of quake location.
latitude
latitude of quake location.
magnitude
the size of the quake.
date
the date of the quake, an object of class dates.
hour
the hour of the quake.
minute
the minute of the quake.
second
the second of the quake.

SOURCE:

The data are from Peter Guttorp, Statistics Department, University of Washington, Seattle, Washington.