There has been an ever-increasing amount of seismic activity around the globe & in Cal. / Nevada... Some big , some tiny 'Quakes... A concern... Yes, it's real... I swung the chain for "The" effect. :O)
Here's what I mean.....wow! TODAY 6.9 magnitude:
http://earthquake.usgs.gov/earthquak...a1.php#details
http://earthquake.usgs.gov/earthquak...nia_Nevada.php
All United States recent activity ->
http://earthquake.usgs.gov/earthquakes/recenteqsus/
Mexico earthquake news updates:
http://rt.com/news/mexico-magnitude-...evacuated-867/