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Recent Earthquakes in the Northeastern U.S.

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

Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:58:51 AM (EDT) on Tuesday, September 29, 2009 .
The magnitude 1.6 event occurred 21 km (13 miles) NW of Phillips,MD.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Tuesday, September 29, 2009 at 9:58:51 AM (EDT)
Tuesday, September 29, 2009 at 13:58:51 (UTC)
Distance from Phillips,MD - 21 km (13 miles) NW (316 degrees)
Baltimore,MD - 32 km (20 miles) NNE (12 degrees)
Baltimore,MD - 55 km (34 miles) NNE (31 degrees)
Coordinates 39 deg. 36.4 min. N (39.607N), 76 deg. 20.5 min. W ( 76.342W)
Depth 5 km (3.1 miles)
Quality Fair
Location Quality Parameters Nst= 6, Nph= 13, Dmin=43.5 km, Rmss=0.21 sec, Erho=0.5 km, Erzz=0 km, Gp=162 degrees
Event ID# ld1025025
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