USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
July 27, 2005, Dillon, MT Aftershock (posted 08/10/2005)
ML 4.2, 07/27/2005, 15:51 UTC, 07/26/2005, 09:51 AM MDT, 45.382 N, 112.601 W, 5.0 km depth, Regional Network ID# usbabq
Sta Inst Inst State: City; Recorder Location Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV PSA at:
Code type S/N     deg deg km deg No type deg cm/s/s cm/s 0.3 s 1.0 s 3.0 s
7216 K2 1949 MT: Dillon; Univ of Montana-Western USGS 45.2091 -112.6381 19.5 189 1 EpiSen 90 28.9 1.61 7.82 0.672 0.0715
                  2 EpiSen 360 9.1 0.43 2.62 0.309 0.0241
                  3 EpiSen UP -12.7 0.31 1.70 0.194 0.0094