It might be much more about resilience of that species."+++The United States has announced it will send A$22 million [[US$15.5 million]] in aid to assist Colombia, after a powerful earthquake struck the country's west, killing more than 110 people.In a statement on social media, the US State Department says the money will contribute to shelter, food, protection and earthquake assessments.Rescue teams and emergency personnel continue to search for survivors stuck under rubble, after the 7.4-magnitude quake left more than 1,600 buildings across several cities damaged or collapsed.The earthquake’s heaviest casualties appear to be concentrated in Risaralda, part of Colombia’s coffee-growing region.World Vision Colombia spokesperson Bárbara Melo says people in this region are particularly vulnerable, due to high levels of poverty."Right now, the main needs is to know what's happening, how can we help, and how to protect the families, especially the children that are the most needed right now and the ones that lost their parents or they are looking for them Right now, the news show us, the images are very shocking