Eric Christofferson, Martha M. Hamil; A radial pattern of sea-floor deformation in the southwestern Caribbean Sea. Geology ; 6 (6): 341–344. doi: https://doi.org/10.1130/0091-7613(1978)6<341:ARPOSD>2.0.CO;2
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Discontinuous bathymetric lineaments and faults are disposed radially and concentrically about a cluster of seamounts in the southwestern Caribbean Sea. The lineament system extends at least 350 km from the least-squares center of strike intersections and includes more than 350,000 km2 of sea floor on the Nicaraguan Rise and in the Colombian Basin. This center, the probable deformation center, lies near San Andres Island at lat 12.6°N, long 81.6°W. The central position of the seamount cluster suggests that volcanism accompanied the deformation. The age and duration of the event are unknown.