Load a table with the locations, names, and suggested symbol sizes of hotspots.
This is the
@hotspots.txtdataset used in the GMT tutorials, with data from Mueller, Royer, and Lawver, 1993, Geology, vol. 21, pp. 275-278. The main 5 hotspots used by Doubrovine et al.  have symbol sizes twice the size of all other hotspots.
The data are downloaded to a cache directory (usually
~/.gmt/cache) the first time you invoke this function. Afterwards, it will load the data from the cache. So you’ll need an internet connection the first time around.
data (pandas.DataFrame) – The data table with columns “longitude”, “latitude”, “symbol_size”, and “placename”.