Preliminary Earthquake Report
Magnitude 2.3 WESTERN MONTANA
2009 November 22 23:38:13 UTC
| Magnitude | 2.3 |
|---|---|
| Date-Time |
2009 11 22 23:38:13 UTC
Time of Earthquake in other Time Zones |
| Location | 44.77N 111.33W |
| Depth | 6.1 kilometers |
| Region | WESTERN MONTANA |
| Distances |
20 km (15 miles) NW of West Yellowstone, Montana 55 km (35 miles) NW of Old Faithful, Wyoming 95 km (60 miles) NE of Dubois, Idaho 210 km (130 miles) SSE of HELENA, Montana |
| Location Quality | Error estimate: horizontal +/- 0.5 km; depth fixed by location program |
|
Location Quality Parameters |
Nst=21, Nph=21, Dmin=9.4 km, Rmss=0.16 sec, Gp=111.6 degrees |
| Source | University of Utah Seismograph Stations |
| Event ID | uu11222338 |

