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 1:36:48 AM (EDT) on Friday, April 24, 2009
.
The magnitude 2.9 event occurred 23 km (14 miles) SW of Harrisburg,PA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 2.9 - duration magnitude (Md) |
|---|---|
| Time | Friday, April 24, 2009 at 1:36:48 AM (EDT)
Friday, April 24, 2009 at 5:36:48 (UTC) |
| Distance from | Harrisburg,PA - 23 km (14 miles) SW (221 degrees) Middletown,PA - 27 km (16 miles) SW (235 degrees) Harrisburg,PA - 48 km (30 miles) SE (135 degrees) |
| Coordinates | 40 deg. 3.8 min. N (40.064N), 77 deg. 1.6 min. W ( 77.026W) |
| Depth | 1.5 km (0.9 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 13, Nph= 27, Dmin=58 km, Rmss=0.54 sec, Erho=0.9 km, Erzz=2.4 km, Gp=122.4 degrees |
| Event ID# | ld1023731 |
| Additional Information | map |
| Did you feel it? | |
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