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.
Fossil remains suggest that this giant shark reached a length of 18 metres (59 ft), and also indicate that it had a cosmopolitan distribution. Scientists suggest that C. megalodon looked like a stockier version of the great white shark, Carcharodon carcharias.