Carnegie Ridge
![Outline of aseismic ridges and plate boundaries off northwestern South America, suggested continuation of Carnegie Ridge beneath Ecuador from Gutcher et al. 1999,[1] other models suggest that this area is much smaller](/Images/godic/202501/03/Carnegie_Ridge3858.png")
The Carnegie Ridge is an aseismic ridge on the Nazca Plate that is being subducted beneath the South American Plate. The ridge is thought to be a result of the passage of the Nazca Plate over the Galapagos hotspot. It is named for the research vessel Carnegie, which discovered it in 1929.