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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 7:33:00 AM (EDT) on Monday, July 6, 2009 .
The magnitude 2.3 event occurred 100 km (62 miles) NNE (18 degrees) of Massena,NY.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.3 - duration magnitude (Md)
Time Monday, July 6, 2009 at 7:33:00 AM (EDT)
Monday, July 6, 2009 at 11:33:00 (UTC)
Distance from Massena,NY - 100 km (62 miles) NNE (18 degrees)
Ogdensburg,NY - 144 km (89 miles) NNE (31 degrees)
Plattsburgh,NY - 148 km (92 miles) NNW (329 degrees)
Burlington,VT - 178 km (111 miles) NW (326 degrees)
Coordinates 45 deg. 47.1 min. N (45.785N), 74 deg. 26.9 min. W ( 74.448W)
Depth 6 km (3.7 miles)
Quality Fair
Location Quality Parameters Nst= 12, Nph= 25, Dmin=38.1 km, Rmss=0.22 sec, Erho=0.4 km, Erzz=1.6 km, Gp=122.4 degrees
Event ID# ld1024338
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