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 4:37:29 PM (EDT) on Wednesday, August 19, 2009
.
The magnitude 1.6 event occurred 21 km (13 miles) WNW of Concord,NH.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.6 - (unknown type) |
|---|---|
| Time | Wednesday, August 19, 2009 at 4:37:29 PM (EDT)
Wednesday, August 19, 2009 at 20:37:29 (UTC) |
| Distance from | Concord,NH - 21 km (13 miles) WNW (291 degrees) Laconia,NH - 42 km (26 miles) SW (217 degrees) Manchester,NH - 45 km (28 miles) NW (326 degrees) |
| Coordinates | 43 deg. 16.0 min. N (43.267N), 71 deg. 44.7 min. W ( 71.745W) |
| Depth | 1 km (0.6 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst= 8, Nph= 16, Dmin=23.7 km, Rmss=0.22 sec, Erho=0.8 km, Erzz=2.1 km, Gp=140.4 degrees |
| Event ID# | ne00001122 |
| Additional Information | map |