Yes that was an earth qake.. 4.1

It was located near San Timetao Canyon... Closest reporting site... Olive Del Ranch in Reche Canyon...

Good reminder to be ready with supplies and know your household emergency plan.

Some Media Reports have confused blog readers so here is the facts from USGS.

Recent Earthquakes in California and Nevada== PRELIMINARY EARTHQUAKE REPORT ==California Integrated Seismic NetUSGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #4: This report supersedes any earlier reports of this event.This event has been reviewed by a seismologist.
A light earthquake occurred at 1:39:06 PM (PST) on Saturday, February 13, 2010.The magnitude 4.1 event occurred 6 km (4 miles) S of Redlands, CA.The hypocentral depth is 9 km ( 6 miles).
Magnitude
4.1 - local magnitude (ML)
Time
Saturday, February 13, 2010 at 1:39:06 PM (PST)Saturday, February 13, 2010 at 21:39:06 (UTC)
Distance from
Redlands, CA - 6 km (4 miles) S (188 degrees)Loma Linda, CA - 8 km (5 miles) SE (128 degrees)Mentone, CA - 9 km (5 miles) SW (219 degrees)Moreno Valley, CA - 10 km (6 miles) NNE (27 degrees)Los Angeles Civic Center, CA - 98 km (61 miles) E (93 degrees)
Coordinates
34 deg. 0.2 min. N (34.004N), 117 deg. 10.8 min. W (117.180W)
Depth
8.9 km (5.5 miles)
Location Quality
Good
Location Quality Parameters
Nst= 85, Nph= 85, Dmin=7 km, Rmss=0.22 sec, Erho=0.3 km, Erzz=1.1 km, Gp=32.4 degrees
Event ID#
ci10541957
Additional Information
2-degree map Google Earth KML (Requires Google Earth.)Did you feel it? ShakeMap shaking intensity maps Waveforms 24-hour Aftershock Forecast Map SCSN Moment Tensor Solution Tsunami Information Statement from the WC/ATWC