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 11:29:30 AM (EDT) on Wednesday, September 23, 2009
.
The magnitude 1.7 event occurred 28 km (17 miles) ENE (71 degrees) of Laconia,NH.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.7 - (unknown type) |
|---|---|
| Time | Wednesday, September 23, 2009 at 11:29:30 AM (EDT)
Wednesday, September 23, 2009 at 15:29:30 (UTC) |
| Distance from | Laconia,NH - 28 km (17 miles) ENE (71 degrees) Wolfeboro,NH - 45 km (28 miles) SSE (150 degrees) Concord,NH - 60 km (37 miles) NNE (33 degrees) |
| Coordinates | 43 deg. 39.1 min. N (43.651N), 71 deg. 6.0 min. W ( 71.100W) |
| Depth | 5 km (3.1 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 8, Nph= 13, Dmin=93.1 km, Rmss=0.22 sec, Erho=1.3 km, Erzz=31 km, Gp=147.6 degrees |
| Event ID# | ne00001132 |
| Additional Information | map |