Today, we'll see how these powerful vibrations can destroy entire cities and reshape the geography of the planet. Which earthquake generated the deadliest tsunami in history? And why didn't Earth's most powerful earthquake kill many people? 00:00 Assam-Tibet 01:50 Rat Island 02:40 Chile 03:55 Kamchatka, Russia 04:40 Tohoku 06:55 Alaska, USA 07:50 Valdivia, Chile Questions or concerns? Contact us at https://underknown.com/contact/ Interested in sponsoring our episodes or collaborating? Email us: contact@underknown.com Produced by the makers of What If. Check out our other channels: What If - https://bit.ly/youtube-What-If Aperture: https://bit.ly/aperture-show Whether it’s an earthquake, mudslide or shark attack, survive whatever awaits you. How To Survive shows how to endure life-threatening moments with science and survivor stories. Note: This video is not intended to be a substitute for professional advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen on this channel. If you think you may have an emergency, call your doctor, the ambulance or the police immediately. Underknown does not recommend or endorse any specific tests, physicians, products, procedures, opinions, or other information that may be mentioned in this video. Reliance on any information provided by Underknown is solely at your own risk. An Underknown show: https://underknown.com Contact us at https://underknown.com/contact/ #howtosurvive #earthquake #earthquakes #chileearthquake