O'Higgins Guyot vs Brisbane Guyot

O'Higgins Guyot is a flat-topped seamount in the Pacific Ocean, named after Bernardo O'Higgins, the Chilean revolutionary leader associated with the country's independence from Spain in the early nineteenth century. As a guyot, it is an underwater volcanic mountain whose summit has a relatively level profile, generally understood as the result of erosion followed by subsidence below sea level. The...

Brisbane Guyot is a flat-topped seamount in the Coral Sea. As a guyot, it is an underwater volcanic mountain whose summit has been levelled by erosion and later submerged, leaving a broad, relatively flat top below sea level. The feature is associated with ancient shallow-water reef development and volcanic foundations, and its name refers to Brisbane, Australia.