Peak values and time series data are available for the 20050626 18:45 UTC,
Mw 4.8 Tahoe Vista, California earthquake (lat 39.310, lon -120.067);
http://nsmp.wr.usgs.gov/data_sets/20050626_1845.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