No, it is not possible for someone to dive under a tsunami. Tsunamis are powerful and fast-moving ocean waves that can reach heights of over 100 feet, making it extremely dangerous for anyone to attempt to dive under them.
yes
To really surf a wave it needs to crest. Tsunami's to not crest until close to shore. So, yes, it is possible to surf a tsunami but you won't be able to ride it for hours and hours, which is what I thing you are looking for.
206 meters. For a free dive.
no
Yes
they can.
Suunto dive computers are used to plan dive profiles, gases and back-up plans. After a dive, dive information can be downloaded back to someone's computer.
Whales dive to get food. They come back to the surface to breathe.
Yes, it's possible.
get a water Pokemon yhe TM dive and well dive under the water
you dive under water
You need training to dive 40 feet. Remember, with the return trip it is an 80 foot dive.