the following is a release by the united states geological survey, national earthquake information center: a light earthquake occurred in western arizona about 30 miles (50 km) south of grand canyon village at 3:30 am MDT today, apr 25, 1993 (2:30 am cst in arizona). the magnitude was computed at 4.8 on the richter scale. there have been no reports of damage. U.S. DEPARTMENT OF THE INTERIOR NO. 3-115 GEOLOGICAL SURVEY APR 25, 1993 NEIC QUICK EPICENTER DETERMINATIONS UTC TIME LAT LONG DEP GS MAGS SD STA REGION AND COMMENTS HRMNSEC MB Msz USED APR 25 092950 Q 35.6 N 112.2 W 10G 4.8 1.2 47 WESTERN ARIZONA