Earthquake Magnitude 4.6 Just West of Portland, Maine

TUE OCT 16 2012 ~6:12 PM CDT … 2012-10-16 19:12:22 UTC-04:00 AT EPICENTER … M4.6 MODERATE EARTHQUAKE JUST WEST OF PORTLAND, MAINE … 5KM (3MI) W OF HOLLIS CENTER, MAINE, 43.6107 -70.6614, DEVELOPING … http://maps.google.com/?q=43.6107+-70.6614&t=h&z=7

USGS estimates 231,000 people may have perceived shaking. Very light to light damage possible.