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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 11:45:59 PM (EDT) on Tuesday, September 22, 2009 .
The magnitude 2.4 event occurred 16 km (10 miles) S of Dansville,NY.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Tuesday, September 22, 2009 at 11:45:59 PM (EDT)
Wednesday, September 23, 2009 at 3:45:59 (UTC)
Distance from Dansville,NY - 16 km (10 miles) S (191 degrees)
Buffalo,NY - 42 km (26 miles) ESE (106 degrees)
Rochester,NY - 57 km (35 miles) SW (235 degrees)
Coordinates 42 deg. 49.5 min. N (42.825N), 78 deg. 14.3 min. W ( 78.239W)
Depth 5 km (3.1 miles)
Quality Poor
Location Quality Parameters Nst= 15, Nph= 31, Dmin=29.1 km, Rmss=0.42 sec, Erho=0.8 km, Erzz=0 km, Gp=129.6 degrees
Event ID# ld1024980
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