Version #N: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:56:32 PM (EST) on Tuesday, February 19, 2013
.
The magnitude 1.8 event occurred 25 km (15 miles) ENE (70 degrees) of Lawrence,MA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
|---|---|
| Time | Tuesday, February 19, 2013 at 10:56:32 PM (EST)
Wednesday, February 20, 2013 at 3:56:32 (UTC) |
| Distance from | Lawrence,MA - 25 km (15 miles) ENE (70 degrees) Beverly,MA - 25 km (16 miles) NNE (16 degrees) Pease AFB,NH - 32 km (20 miles) S (183 degrees) Boston,MA - 50 km (31 miles) NNE (18 degrees) |
| Coordinates | 42 deg. 47.8 min. N (42.796N), 70 deg. 50.2 min. W ( 70.837W) |
| Depth | 5 km (3.1 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 8, Nph= 8, Dmin=57.8 km, Rmss=0.35 sec, Erho=11.7 km, Erzz=2 km, Gp=237.6 degrees |
| Event ID# | usc000fbj3 |
| Additional Information | map |