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 7:21:57 AM (EDT) on Sunday, October 25, 2009
.
The magnitude 2.8 event occurred 19 km (12 miles) SW of Harrisburg,PA.
The hypocentral depth is 0.5 km (0.3 miles).
| Magnitude | 2.8 - duration magnitude (Md) |
|---|---|
| Time | Sunday, October 25, 2009 at 7:21:57 AM (EDT)
Sunday, October 25, 2009 at 11:21:57 (UTC) |
| Distance from | Harrisburg,PA - 19 km (12 miles) SW (222 degrees) Middletown,PA - 23 km (14 miles) WSW (238 degrees) Harrisburg,PA - 47 km (29 miles) SE (131 degrees) |
| Coordinates | 40 deg. 5.5 min. N (40.092N), 76 deg. 59.9 min. W ( 76.999W) |
| Depth | 0.5 km (0.3 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst= 12, Nph= 25, Dmin=56.1 km, Rmss=0.19 sec, Erho=0.4 km, Erzz=0 km, Gp=90 degrees |
| Event ID# | ld1025190 |
| Additional Information | map |
| Did you feel it? | |
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