I did not feel it but I found it, it looks like a mag. 4.2 west of the Salton Sea.
Map Centered at 33°N, 116°W
Magnitude 4.2
Date-Time Thursday, May 01, 2008 at 03:55:35 UTC
Wednesday, April 30, 2008 at 08:55:35 PM at epicenter
Location 33.440°N, 116.460°W
Depth 5.8 km (3.6 miles)
Region SOUTHERN CALIFORNIA
Distances 23 km (14 miles) ESE (123°) from Anza, CA
23 km (14 miles) NNW (339°) from Borrego Springs, CA
30 km (19 miles) SSW (210°) from La Quinta, CA
38 km (23 miles) SW (214°) from Indio, CA
43 km (27 miles) S (171°) from Palm Springs, CA
97 km (60 miles) NE (41°) from San Diego, CA