2% of our planet are oceans. maybe there is something else we don t know. that s why they are saying be cautious. we know less about the oceans than our solar system. you look at the perspective. the depth of scale. the 4500 meters, there you go. if you were in the world one trade center you could stack nine on top of one another and then reach the surface. and mount washington and you can see how it measures in depths beneath the sea surface. so still expansive region. if you go beneath the surface you find a broken oceanic ridge. and the ping detection at 14,700