Earthquakes and volcanoes their history, phenomena, and probable causes This book, "Earthquakes and volcanoes their history, phenomena, and probable causes", by Mungo Ponton, is a replication of a book originally published before 1868. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.