Superstorm Sandy Powerful Enough to Rock West Coast: Waves Shake Earth

[Crabtownboy]

Wow. I had no idea a hurricane would literally shake the earth, certainly not shake it such that the vibrations would travel so far. Fascinating!

Long before it made landfall, though, miniscule vibrations triggered in Earth's crust could be picked up on instruments onshore. In fact, these tremors were roughly similar to a magnitude-2 or magnitude3 earthquake; however, they had a unique signal on seismometers that were distinct from the rapid shaking caused by earthquakes. While some of the vibrations were actually produced by surf pounding beaches, a larger amount of these were actually from large storm waves far offshore slamming into each other.

http://www.scienceworldreport.com/a...-enough-rock-west-coast-waves-shake-earth.htm