The Sonardyne tsunami detection system is based on a Compatt 6 subsea transponder that uses the latest Wideband acoustic signal technology to provide robust through water communications in difficult acoustic conditions.
exists and is an alternate of . The Megalodon was approximately 40 feet (12 metres) long, although fossil records show that they could often grow as large as 78 feet (18 metres). So if you were to stand the Megalodon on its nose it would be as tall as a six story building.
Jeff Rotman/Getty Images. Megalodon didn't earn its name (giant tooth) for nothing. The teeth of this prehistoric shark were serrated, heart-shaped, and over half a foot long (by comparison, the biggest teeth of a Great White Shark only measure about three inches long).