Sparkling Start: Linkee Edition, The Answers!

Question 1: What is the highest point on Earth? Mount Everest
Question 2: What would you find in the Ring of Fire? Volcanoes
Question 3: What are the Eurasian Plate, North American Plate, Nazca Plate and the Scotia Plate? Tectonic Plates
Question 4: What does the Richter Scale measure? Earthquakes
Clue: Humans have nothing to do with them!

The Link: All created by nature!