USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
July 09, 2012, Cobb, California Earthquake (posted 07/10/2012)
Mw 3.8, 07/09/2012, 00:01 UTC, 07/08/2012, 05:01 PM PDT, 38.819 N, 122.796 W, 3.9 km depth, Regional Network ID# nc71813266
Sta	Inst	Inst	State: Island; City; Recorder Location	Owner	Lat	Lon	Dist	Az	Ch	Sensor	Orient	PGA	PGV	PSA 5% damping %g
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
COB	Etna	3432	CA: Cobb	Calpine	38.8387	-122.7528	3.4	81	1	EpiSen	90	-65.6	-1.69	6.19	0.576	0.0272
									2	EpiSen	360	57.4	-1.00	5.73	0.259	0.0180
									3	EpiSen	UP	-24.1	0.40	1.76	0.077	0.0081
ADSP	Etna	3433	CA: Anderson Springs	Calpine	38.7742	-122.7056	10.0	131	1	EpiSen	90	-43.2	0.61	2.37	0.146	0.0079
									2	EpiSen	360	62.7	0.83	2.52	0.124	0.0111
									3	EpiSen	UP	43.3	0.50	0.82	0.057	0.0086
ADS2	Etna	6643	CA: Anderson Springs;Town Pool	Altarock	38.7745	-122.6997	10.4	129	1	EpiSen	90	-21.3	-0.28	0.88	0.105	0.0068
									2	EpiSen	360	28.8	0.20	0.71	0.057	0.0071
									3	EpiSen	UP	23.7	-0.25	0.87	0.054	0.0072