Zdaniem większości autorów[jakich?] jest częścią płyty kokosowej.
Bibliografia
Claus Siebe, ed.: Neogene-Quaternary Continental Margin Volcanism, Geological Society of America, 2006, ISBN 0-8137-2402-3
Pardo, Mario; Suarez, Gerardo: Steep subduction geometry of the Rivera plate beneath the Jalisco block in western Mexico, Geophysical Research Letters, vol. 20, no. 21, p. 2391-2394
C. DeMets, I. Carmichael, T. Melbourne, O. Sanchez, J. Stock, G. Suarez, and K. Hudnut: Anticipating the Successor to Mexico's Largest Historical Earthquake, Earth in Space, Vol. 8, No. 5, January 1996, p.6.
Charles DeMets and Stephen Traylen: Motion of the Rivera plate since 10 Ma relative to the Pacific and North American plates and the mantle, Tectonophysics, Volume 318, Issues 1-4, 10 March 2000, Pages 119-159