Geology: http://geology.com/records/deepest-part-of-the-ocean.shtml

National Geographic: http://nationalgeographic.com

USGS: https://earthquake.usgs.gov/earthquakes/map/?extent=21.90228,-130.16602&extent=51.83578,-59.85352

From Sea to Shining Sea: http://www.marine-conservation.org/media/shining_sea/s2ss_globe.htm

Our Amazing Planet.com https://coolinfographics.com/blog/2010/6/9/our-amazing-planet-top-to-bottom-infographic.html