Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==U.S. Geological Survey, National Earthquake Information Center
Version #8: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A minor earthquake occurred at 10:11:34 AM (CDT) on Friday, September 25, 2009
.
The magnitude 3.8 event occurred 48 km (30 miles) NW of Belle Fourche, SD .
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 3.8 - local magnitude (Ml) |
|---|---|
| Time | Friday, September 25, 2009 at 10:11:34 AM (CDT)
Friday, September 25, 2009 at 15:11:34 (UTC) |
| Distance from | Belle Fourche, SD - 48 km (30 miles) NW (324 degrees) Hulett, WY - 49 km (30 miles) NE (39 degrees) Fruitdale, SD - 56 km (35 miles) NW (314 degrees) Rapid City, SD - 130 km (81 miles) NW (324 degrees) |
| Coordinates | 45 deg. 1.2 min. N (45.020N), 104 deg. 12.6 min. W (104.210W) |
| Depth | 4.5 km (2.8 miles) |
| Quality | unknown |
| Location Quality Parameters | Nst= 47, Nph= 47, Dmin=101.1 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=57.6 degrees |
| Event ID# | us2009lzbb |
| Additional Information | map |
| Did you feel it? | |
| Did you feel it? | |
| ShakeMap shaking intensity maps (Global server) |
For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/