Yes Martha, It Was an Earthquake!
October 18, 2012
Joseph Blumberg Many of us felt it and more even heard the rumbling. At approximately 7:12 p.m. last evening (Tuesday, October 16), the ground shook throughout New England. According to the United States Geological Survey (USGS), the epicenter of the 4.6 magnitude quake was in southwest Maine, three miles west of Hollis Center, originating at a depth of about five kilometers. The USGS initially gave the earthquake a 4.6-magnitude rating and later downgraded it to 4.0.
[more]