eh - looks like it was just a baby. But shit - it shook this place hard for a few seconds...
http://quake.wr.usgs.gov/recenteqs/Maps/117-33.html
I think this is the one - looks like it.
A minor earthquake occurred at 11:53:51 PM (PDT) on Friday, September 2, 2005.
The magnitude 3.9 event occurred 17 km (10 miles) E of Tijuana, Baja California, Mexico.
The hypocentral depth is 17 km (10 miles).
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Magnitude 3.9 - local magnitude (ML)
Time Friday, September 2, 2005 at 11:53:51 PM (PDT)
Saturday, September 3, 2005 at 6:53:51 (UTC)
Distance from Tijuana, Baja California, Mexico - 17 km (10 miles) E (93 degrees)
La Joya, Baja California, Mexico - 18 km (11 miles) ENE (60 degrees)
San Ysidro, CA - 19 km (12 miles) E (100 degrees)
Tecate, Baja California, Mexico - 20 km (13 miles) WSW (255 degrees)
Coordinates 32 deg. 31.4 min. N (32.523N), 116 deg. 50.5 min. W (116.841W)
Depth 16.9 km (10.5 miles)
Location Quality Fair
Location Quality Parameters Nst=032, Nph=032, Dmin=13 km, Rmss=0.15 sec, Erho=0.6 km, Erzz=0.8 km, Gp=230.4 degrees
Event ID# ci14181056