Emily
Editor, Senior Moderator
http://www.vindy.com/news/2011/oct/01/what8217s-underlying-cause-of-recent-val/
Experts point to various factors in explaining 6 temblors in 61/2 months
By Karl Henkel
YOUNGSTOWN
Published: Sat, October 1, 2011 @ 12:10 a.m.
Thursday night?s earthquake sent shock waves through most of Mahoning County.
The quake wasn?t strong enough to create any damage, but it likely felt a lot stronger than a regular magnitude-2.5 rumble, said Michael Hansen, senior geologist at the Ohio Department of Natural Resources.....