Subduction at these boundaries has pushed up rock making mountains that exist on the coast of Colombia.
This country is part of the Ring of Fire, because of the collision of the South American Plate and the Nazca plate, Colmbia is at a high risk for earthquakes and volcanic eruptions. It is also at risk of flooding and tsunamis.
http://www.basicplanet.com/pacific-ring-fire/
http://www.nationsencyclopedia.com/geography/Afghanistan-to-Comoros/Colombia.html
https://www.livescience.com/37384-colombia-complex-tectonics-earthquakes.html