Our review paper on The Representation of Earthquakes in Hindu Religion: A Literature Review to Improve Educational Communications in Nepal is just published in Frontiers in Communication. The paper summaries earthquake-related findings available in Hindu literature.
The figure below is showing the Earth is holding by a special snake (Sheshnaag) with the interest and permission of God when Sheshnaag moves head, there is an earthquake. There are at least five causes of earthquakes explained in Hindu texts. The full-length article is available here.