We all know that tsunamis can cause widespread destruction. But have you ever wondered what causes a tsunami? Did you know that tsunami waves can travel at a speed of 8 to 900 km/hr and can cause a lot of destruction? Watch this video to find out more about tsunamis and what causes them. Discover the new revolutionary way of learning with the world's most loved math and science learning program. Join the learning revolution today! For more such engaging video Like, Share and Subscribe to BYJU'S. 👉 Subscribe to BYJU'S - http://bit.ly/2IYECcw 👉 Install the BYJU'S App -https://bit.ly/BYJUS-Install 👉 Follow us on Facebook - https://www.facebook.com/byjuslearningapp/