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A seismology team from Columbia University set up portable seismographs in the area. Retired Millersville University professor emeritus of geology Charles Scharnberger holds a map showing earthquake intensity zones. Zone III in center is the most intense with decreasing intensity outside the zone (photo credit: ).Friday April 24, 2009, 10:28 AM
2 earthquakes reported in Dillsburg area
by LARA BRENCKLE, Of The Patriot-News
A 2.9-magnitude earthquake rattled residents around the Franklintown, Pa., area early this morning, setting off concerns that the series of temblors that rocked northern York County in the fall and early winter have returned. The U.S. Geological Survey reported today's quake occurred at 1:36 a.m.
On Thursday, residents of Dillsburg also experienced tremors, with a 2.4 magnitude quake startling residents there. Dillsburg Borough manager Karen Deibler was in her office when Thursday's quake struck.
"I don't think a lot of people knew what was going on last night because it's been such a long time (since we've had one)," Deibler said.
The last spate of earthquakes occurred from October to January.
It's been quiet, however, and Deibler said people figured they were over. "Nobody really knows what to think at this point," she said.
