Authors retain the copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution 4.0 International Public License (CC-BY-4.0) that allows others to share the work with an acknowledgment of the work's authorship and initial publication.
In book 6 of his Natural Questions Seneca uses a single source collecting a complete doxography concerning earthquakes, probably Asclepiodotus. He appears not to possess a direct knowledge of Posidonius’ doctrine on the subject.
