More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
There are more than 50,000 earthquakes throughout the world every year!
47
The state with the longest coastline in the Continental U.S. is Michigan.
31
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Every year, Alaska has about 5,000 earthquakes.
31