(USGS) The following is from the United States Geological Survey,  National Earthquake   Information   Center:    preliminary   hypocenter   for earthquake of 1999 dec 22, UTAH, about 25 miles (40 km)  N  of  Loa, Utah:   latitude  38.8  degrees  north  longitude 111.6 degrees west origin time 08 03 31.6 utc depth shallow, magnitude 4.3 mb. No damage or injuries reported.