USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity Values for
January 11, 2001, Fortuna, CA Earthquake (posted 01/11/2001)
ML 4.0, 01/11/2001, 18:10:40 (UTC), 10:10:40 AM (PST), 40.634 N, 124.180 W, 22.9 km depth
Sta Inst Inst Recorder Name Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV
No type S/N     deg deg km deg No type deg cm/s/s cm/s
1580 K2 2023 CA: Arcata; Humboldt State Univ USGS 40.874 -124.076 28 18 1 Episensor 90 -8.2 -0.3
                  2 Episensor 360 -6.3 0.2
                  3 Episensor UP -2.4 -0.1