USGS National-Strong Motion Project
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
August 06, 2007, Mount Pleasant, UT, Earthquake (posted 08/06/2007; updated 08/07/2007)
ML 3.9, 08/06/2007, 08:48 UTC, 08/06/2007, 02:48 AM MDT, 39.465 N, 111.237 W, 1.6 km depth, Regional Network ID# uu00007535
Sta Inst Inst State: City; Inst Location Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV PSA at:
No type S/N     deg deg km deg No type deg cm/s/s cm/s 0.3 s 1.0 s 3.0 s
7228 Etna 2596 UT:Nephi;Juab School District USGS/UU 39.7212 -111.8248 57.9 300 1 EpiSen 90 -0.086 -0.0147 0.0252 0.0197 0.0089
                  2 EpiSen 360 0.102 0.0241 0.0227 0.0296 0.0120
                  3 EpiSen UP 0.075 0.0143 0.0205 0.0168 0.0096
7229 Etna 3993 UT:Santaquin;City Maint Shop USGS/UU 39.9726 -111.7930 73.8 320 1 EpiSen 90 0.052 0.0127 0.0092 0.0192 0.0091
                  2 EpiSen 360 -0.046 -0.0112 0.0096 0.0118 0.0091
                  3 EpiSen UP 0.031 -0.0079 0.0065 0.0086 0.0048
7226 Etna 1424 UT:Richfield;UDOT IT Radio Shop USGS/UU 38.7571 -112.0877 107.6 223 1 FBA-2g 360 0.041 0.0133 0.0059 0.0182 0.0121
                  2 FBA-2g UP 0.094 -0.0312 0.0178 0.0236 0.0234
                  3 FBA-2g 90 0.112 0.0329 0.0182 0.0231 0.0383
7225 Etna 4370 UT:Beaver; City Main Yard USGS/UU 38.2835 -112.6387 178.9 223 1 EpiSen 90 -0.020 0.0089 0.0021 0.0026 0.0104
                  2 EpiSen 360 0.017 0.0077 0.0018 0.0022 0.0095
                  3 EpiSen UP -0.008 -0.0028 0.0008 0.0011 0.0015