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Recent Earthquakes in the Northeastern U.S.

== PRELIMINARY EARTHQUAKE REPORT ==

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

A micro earthquake occurred at 9:25:06 AM (EDT) on Wednesday, September 9, 2009 .
The magnitude 1.9 event occurred 9 km (6 miles) N of Laconia,NH.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.9 - (unknown type)
Time Wednesday, September 9, 2009 at 9:25:06 AM (EDT)
Wednesday, September 9, 2009 at 13:25:06 (UTC)
Distance from Laconia,NH - 9 km (6 miles) N (357 degrees)
Wolfeboro,NH - 39 km (24 miles) S (187 degrees)
Concord,NH - 50 km (31 miles) N (6 degrees)
Coordinates 43 deg. 39.0 min. N (43.651N), 71 deg. 26.2 min. W ( 71.436W)
Depth 13.2 km (8.2 miles)
Quality Fair
Location Quality Parameters Nst= 11, Nph= 22, Dmin=26.7 km, Rmss=0.28 sec, Erho=0.6 km, Erzz=1.4 km, Gp=122.4 degrees
Event ID# ne00001129
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