| Magnitude |
2.5 |
| Date-Time |
- Wednesday, March 16, 2011 at 17:52:52 UTC
- Wednesday, March 16, 2011 at 12:52:52 PM at epicenter
- Time of Earthquake in other Time Zones
|
| Location |
35.230°N, 92.379°W |
| Depth |
5.1 km (3.2 miles) |
| Region |
ARKANSAS |
| Distances |
- 1 km (1 miles) E (86°) from Greenbrier, AR
- 8 km (5 miles) ENE (64°) from Wooster, AR
- 10 km (6 miles) SSE (157°) from Twin Groves, AR
- 55 km (34 miles) N (355°) from Little Rock, AR
- 423 km (263 miles) SSW (207°) from St. Louis, MO
|
| Location Uncertainty |
horizontal +/- 1.2 km (0.7 miles); depth +/- 0.5 km (0.3 miles) |
| Parameters |
NST= 10, Nph= 16, Dmin=2 km, Rmss=0.08 sec, Gp=108°,
M-type=duration magnitude (Md), Version=A |
| Source |
- Cooperative New Madrid Seismic Network
|
| Event ID |
nm031611k |
| Magnitude |
2.5 |
| Date-Time |
- Wednesday, March 16, 2011 at 17:50:25 UTC
- Wednesday, March 16, 2011 at 12:50:25 PM at epicenter
- Time of Earthquake in other Time Zones
|
| Location |
35.214°N, 92.370°W |
| Depth |
4.1 km (2.5 miles) |
| Region |
ARKANSAS |
| Distances |
- 2 km (2 miles) SE (135°) from Greenbrier, AR
- 8 km (5 miles) E (79°) from Wooster, AR
- 10 km (6 miles) NW (307°) from Holland, AR
- 53 km (33 miles) N (356°) from Little Rock, AR
- 424 km (264 miles) SSW (207°) from St. Louis, MO
|
| Location Uncertainty |
horizontal +/- 0.8 km (0.5 miles); depth +/- 0.8 km (0.5 miles) |
| Parameters |
NST= 11, Nph= 17, Dmin=4 km, Rmss=0.11 sec, Gp=130°,
M-type=duration magnitude (Md), Version=A |
| Source |
- Cooperative New Madrid Seismic Network
|
| Event ID |
nm031611j |
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