USGS National-Strong Motion Project
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
May 12, 2006, The Geysers, California Earthquake (posted 05/16/2006)
Mw 4.7, 05/12/2006, 10:37 UTC, 05/12/2006, 03:37 AM PDT, 38.814 N, 122.814 W, 4.6 km depth, Regional Network ID# nc51170844
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	6.0	63	1	EpiSen	90	-102.0	4.35	26.20	2.570	0.1670
									2	EpiSen	360	110.0	3.98	30.20	1.390	0.1330
									3	EpiSen	UP	46.0	1.00	6.30	1.080	0.0597
ADSP	Etna	3433	CA: Anderson Springs	CALPINE	38.7742	-122.7056	10.4	115	1	EpiSen	90	-64.6	-1.40	5.23	0.438	0.0683
									2	EpiSen	360	-91.7	1.90	6.78	0.523	0.0746
									3	EpiSen	UP	52.2	0.95	1.74	0.453	0.0675
1764	Etna	2032	CA: St Helena; Fire Sta # 17	USGS	38.507	-122.471	45.3	139	1	EpiSen	90	-4.6	0.18	0.75	0.170	0.0357
									2	EpiSen	360	-6.2	-0.18	1.45	0.184	0.0443
									3	EpiSen	UP	-1.6	0.07	0.36	0.104	0.0257
1765	Etna	2016	CA: Napa; Fire Station # 3	USGS	38.330	-122.318	69.0	141	1	EpiSen	90	-2.2	0.13	0.69	0.083	0.0425
									2	EpiSen	360	2.0	-0.11	0.82	0.098	0.0343
									3	EpiSen	UP	1.0	-0.07	0.22	0.068	0.0169