https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:some-natural-phenomena/x17f7017799a605d2:earthquake/e/earthquake 2026-04-08T00:54:09.631945657Z Earthquake This exercise on Earthquakes for Class 8 Science (Chapter 15: Some Natural Phenomena) covers definition, causes, effects, seismic zones in India, Richter scale, prediction myths, safety measures, and quake-resistant structures.It helps students understand earthquakes scientifically and learn how to stay safe. Yajurva Joshi exercise