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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 micro earthquake occurred at 4:53:05 AM (EST) on Tuesday, February 19, 2013 .
The magnitude 2.3 event occurred 11 km (7 miles) W of Williamsport,PA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.3 - local magnitude (Ml)
Time Tuesday, February 19, 2013 at 4:53:05 AM (EST)
Tuesday, February 19, 2013 at 9:53:05 (UTC)
Distance from Williamsport,PA - 11 km (7 miles) W (263 degrees)
State Colleg,PA - 78 km (48 miles) NE (56 degrees)
Philipsburg,PA - 93 km (58 miles) ESE (106 degrees)
Harrisburg,PA - 101 km (63 miles) NNE (18 degrees)
Coordinates 41 deg. 14.3 min. N (41.238N), 77 deg. 3.3 min. W ( 77.055W)
Depth 10.8 km (6.7 miles)
Quality Poor
Location Quality Parameters Nst= 43, Nph= 43, Dmin=84 km, Rmss=0.31 sec, Erho=0.4 km, Erzz=0.9 km, Gp=61.2 degrees
Event ID# ld60024003
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