A well in Virginia (yeah, the one in the United States) measured a 2-foot drop during the Chilean earthquake in February. Apparently, the “regular sine-wave variations are due to the effect of lunar tides on the Earth’s crust”. I find that almost as intriguing as the quake effect.
See other peculiar side-effects of the massive earthquake.
It is amazing, I’ve felt the aftershock of an earthquake 150 miles away itwoke me and the wife up, we thought our house was falling down and could not understand why! It was so funny I put it in my groom wedding speech