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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 10:06:14 PM (CDT) on Friday, July 10, 2009 .
The magnitude 2.1 event occurred 8 km (5 miles) NNW of Norfolk, NY .
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.1 - duration magnitude (Md)
Time Friday, July 10, 2009 at 10:06:14 PM (CDT)
Saturday, July 11, 2009 at 3:06:14 (UTC)
Distance from Norfolk, NY - 8 km (5 miles) NNW (330 degrees)
Canton, NY - 31 km (20 miles) NNE (19 degrees)
Rensselaer Falls, NY - 37 km (23 miles) NE (36 degrees)
Irondequoit, NY - 273 km (170 miles) NE (47 degrees)
Coordinates 44 deg. 51.7 min. N (44.862N), 75 deg. 2.5 min. W ( 75.042W)
Depth 6 km (3.7 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 17, Dmin=23.9 km, Rmss=0.11 sec, Erho=0.3 km, Erzz=0.6 km, Gp=136.8 degrees
Event ID# ld1024445
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For more information, see http://www.ldeo.columbia.edu/LCSN

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