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== PRELIMINARY EARTHQUAKE REPORT ==
Lamont-Doherty Cooperative Seismographic Network

Version #1: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:18:42 AM (CDT) on Sunday, October 25, 2009 .
The magnitude 1.8 event occurred 4 km (2 miles) E (93 degrees) of Franklintown, PA .
The hypocentral depth is 0.5 km (0.3 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Sunday, October 25, 2009 at 6:18:42 AM (CDT)
Sunday, October 25, 2009 at 11:18:42 (UTC)
Distance from Franklintown, PA - 4 km (2 miles) E (93 degrees)
Wellsville, PA - 5 km (3 miles) WNW (302 degrees)
Dillsburg, PA - 6 km (4 miles) SE (134 degrees)
Harrisburg, PA - 24 km (15 miles) SSW (201 degrees)
Coordinates 40 deg. 4.5 min. N (40.075N), 76 deg. 59.2 min. W ( 76.987W)
Depth 0.5 km (0.3 miles)
Quality Fair
Location Quality Parameters Nst= 5, Nph= 11, Dmin=54.8 km, Rmss=0.14 sec, Erho=1 km, Erzz=0 km, Gp=136.8 degrees
Event ID# ld1025198
Additional Information map

For more information, see http://www.ldeo.columbia.edu/LCSN

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