An Account of the earthquakes : which occurred in the United States, North America, on the 16th of December, 1811, the 23d of January, and the 7th of February, 1812 : with the inferior shocks considered as appendages to the former : to which is annexed, miscellaneous articles of a similar nature, and a sketch of the theory of earthquakes in general, including information respecting some of the most remarkable eruptions and concussions of preceding periods.