Isla de Mona, Puerto Rico (18 050 N, 67 530 W), is a small (55 km2) carbonate island located in the Mona Passage between Puerto Rico and Hispaniola, approximately 72 km west of Puerto Rico (Fig. 1). The Mona platform, on which Isla de Mona is located, is a bathymetric high bounded by a northwest trending fault zone to the north (Rodriguez et al ...