in Bizarre/Oddities, General Tsunamis can go as fast as a jetliner’s cruising… by Chirag Chauhan May 27, 2018, 4:07 am 171 Views Tsunamis can go as fast as a jetliner’s cruising speed: up to 800 kilometers per hour (500 mph). Tsunami Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website