USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
July 15, 2010, The Geysers, California Earthquake (posted 07/16/2010)
Mw 4.0, 07/15/2010, 15:31 UTC, 07/15/2010, 08:31 AM PDT, 38.819 N, 122.807 W, 2.7 km depth, Regional Network ID# nc71425345
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
COB	Etna	3432	CA: Cobb	Calpine	38.8387	-122.7528	5.2	65	1	EpiSen	90	29	-0.72	2.36	0.407	0.0255
									2	EpiSen	360	46	-1.19	3.81	0.576	0.0378
									3	EpiSen	UP	-17	0.39	1.22	0.145	0.0115
ADSP	Etna	3433	CA: Anderson Springs	Calpine	38.7742	-122.7056	10.1	119	1	EpiSen	90	26	-0.58	1.85	0.158	0.0115
									2	EpiSen	360	43	-0.87	2.42	0.114	0.0134
									3	EpiSen	UP	17	-0.27	0.44	0.096	0.0110
ADS2	Etna	6643	CA:Anderson Springs;Town Pool	Altarock	38.7745	-122.6997	10.5	118	1	EpiSen	90	19	-0.18	0.56	0.112	0.0111
									2	EpiSen	360	11	-0.17	0.66	0.052	0.0114
									3	EpiSen	UP	9	-0.17	0.60	0.084	0.0095