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Recent Earthquakes in the Northeastern U.S.

== PRELIMINARY EARTHQUAKE REPORT ==
Lamont-Doherty Cooperative Seismographic Network (LCSN)

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

A minor earthquake occurred at 0:04:34 AM (EST) on Saturday, December 27, 2008 .
The magnitude 3.4 event occurred 9 km (6 miles) W of Lancaster,PA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 3.4 - duration magnitude (Md)
Time Saturday, December 27, 2008 at 0:04:34 AM (EST)
Saturday, December 27, 2008 at 5:04:34 (UTC)
Distance from Lancaster,PA - 9 km (6 miles) W (259 degrees)
Middletown,PA - 33 km (20 miles) ESE (107 degrees)
Muir,PA - 38 km (24 miles) SSE (158 degrees)
Coordinates 40 deg. 6.9 min. N (40.114N), 76 deg. 24.2 min. W ( 76.403W)
Depth 4 km (2.5 miles)
Quality Poor
Location Quality Parameters Nst= 27, Nph= 55, Dmin=10.2 km, Rmss=0.34 sec, Erho=0.3 km, Erzz=0.7 km, Gp=86.4 degrees
Event ID# ld1023196
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