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.
The girth (maximum diameter) of such a shark would be about 32 feet (9.7 metres). It's not too hard to imagine a shark ten feet (3 metres) long, but how about one 10 feet thick? If you could see a 52-foot Megalodon from above, it would measure more than 30 feet (9.5 metres) from pectoral fin tip to fin tip.