http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2008ryan.php
Earthquake Details

Magnitude      7.9

Date-Time      Monday, May 12, 2008 at 06:28:00 UTC
               Monday, May 12, 2008 at 02:28:00 PM at epicenter

Location       31.099°N,
               103.279°E

Depth          10 km (6.2 miles) set by location program

Region         EASTERN SICHUAN, CHINA

Distances      90 km (55 miles) WNW of Chengdu, Sichuan, China
               145 km (90 miles) WSW of Mianyang, Sichuan, China
               360 km (220 miles) WNW of Chongqing, Chongqing, China
               1545 km (960 miles) SW of BEIJING, Beijing, China

Location       horizontal +/- 5.8 km (3.6 miles); depth fixed by location
Uncertainty    program

Parameters     NST=228, Nph=228, Dmin=>999 km, Rmss=1.43 sec, Gp= 29°,
               M-type=moment magnitude (Mw), Version=A

Source         USGS NEIC (WDCS-D)

Event ID       us2008ryan