Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==U.S. Geological Survey, National Earthquake Information Center
Version #Q: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A minor earthquake occurred at 5:53:42 AM (CDT) on Friday, September 28, 2012
.
The magnitude 3.3 event occurred 23 km (14 miles) ESE of Williston, ND .
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 3.3 - duration magnitude (Md) |
|---|---|
| Time | Friday, September 28, 2012 at 5:53:42 AM (CDT)
Friday, September 28, 2012 at 10:53:42 (UTC) |
| Distance from | Williston, ND - 23 km (14 miles) ESE (114 degrees) Spring Brook, ND - 24 km (15 miles) SSE (160 degrees) Epping, ND - 26 km (16 miles) S (179 degrees) Bismarck, ND - 237 km (147 miles) NW (306 degrees) |
| Coordinates | 48 deg. 2.9 min. N (48.048N), 103 deg. 21.0 min. W (103.350W) |
| Depth | 5 km (3.1 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 17, Nph= 17, Dmin=78.9 km, Rmss=0.52 sec, Erho=6.7 km, Erzz=0 km, Gp=115.2 degrees |
| Event ID# | us2012gbcr |
| Additional Information | map |
For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/