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 1:30:30 AM (EDT) on Monday, July 27, 2009
.
The magnitude 1.8 event occurred 18 km (11 miles) NNE (19 degrees) of Lawrence,MA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.8 - (unknown type) |
|---|---|
| Time | Monday, July 27, 2009 at 1:30:30 AM (EDT)
Monday, July 27, 2009 at 5:30:30 (UTC) |
| Distance from | Lawrence,MA - 18 km (11 miles) NNE (19 degrees) Pease AFB,NH - 29 km (18 miles) SW (219 degrees) Manchester,NH - 32 km (20 miles) E (101 degrees) |
| Coordinates | 42 deg. 52.5 min. N (42.875N), 71 deg. 2.9 min. W ( 71.049W) |
| Depth | 10.7 km (6.6 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst= 5, Nph= 10, Dmin=58.9 km, Rmss=0.11 sec, Erho=1.2 km, Erzz=1.7 km, Gp=223.2 degrees |
| Event ID# | ne00001120 |
| Additional Information | map |