The dataset provides the location of earthquake epicenters within California for the period 1800-2000. All earthquakes are of a magnitude 5.50 or greater.
A data frame with 383 observations on the following 4 variables.
a numeric vector giving the date in (yyymmdd) format
a numeric vector giving the latitude
a numeric vector giving the longitude
a numeric vector giving the magnitude
"California Earthquake History and Catalogs." CA.Gov. California Department of Conservation, n.d. Web. <http://www.consrv.ca.gov/cgs/rghm/quakes/Pages/index.aspx>.