Preliminary Earthquake Report
Magnitude 1.8 YELLOWSTONE NAT. PARK, IDAHO
2009 November 21 18:17:44 UTC
| Magnitude | 1.8 |
|---|---|
| Date-Time |
2009 11 21 18:17:44 UTC
Time of Earthquake in other Time Zones |
| Location | 44.47N 111.07W |
| Depth | 11.1 kilometers |
| Region | YELLOWSTONE NAT. PARK, IDAHO |
| Distances |
20 km (10 miles) W of Old Faithful, Wyoming 20 km (15 miles) S of West Yellowstone, Montana 90 km (55 miles) NE of Rexburg, Idaho 630 km (390 miles) NW of CHEYENNE, Wyoming |
| Location Quality | Error estimate: horizontal +/- 0.7 km; depth fixed by location program |
|
Location Quality Parameters |
Nst=12, Nph=12, Dmin=15 km, Rmss=0.09 sec, Gp=136.8 degrees |
| Source | University of Utah Seismograph Stations |
| Event ID | uu00004645 |

