Quakes Data Set

The quakes 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. The data set comes from Splus.

DATA DESCRIPTION

The data frame contains the following columns:

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.