Peak values and time series data are available for the 20050616 20:53 UTC,
Mw 4.9 Yucaipa, California earthquake (lat 34.058, lon -117.011):
http://nsmp.wr.usgs.gov/data_sets/20050616_2053.html

Regards,
Kent Fogleman
____________________________________________________
Kent A. Fogleman
U.S. Geological Survey
National Strong-Motion Data Center
345 Middlefield Rd., MS 977
Menlo Park, CA 94025

office: 650-329-4745
e-mail: fogleman@usgs.gov
web:    http://nsmp.wr.usgs.gov