USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
May 09, 2005, The Geysers, California Earthquake (posted 05/11/2005)
Mw 4.4, 05/09/2005, 22:37 UTC, 05/09/2005, 03:37 PM PDT, 38.706 N, 122.754 W, 1.2 km depth, Regional Network ID# nc40174680
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
ADSP	Etna	3433	CA: Anderson Springs	CALPINE	38.7742	-122.7056	4.4	107	1	EpiSen	90	83.4	-1.86	4.40	0.643	0.1020
									2	EpiSen	360	-125.0	3.27	9.30	0.682	0.0669
									3	EpiSen	UP	-57.9	0.86	4.36	0.474	0.0448
COB	K2	3432	CA: COBB	CALPINE	38.8387	-122.7528	5.9	1	1	EpiSen	90	98.6	3.10	15.20	1.780	0.1640
									2	EpiSen	360	-77.0	1.98	6.94	0.866	0.1660
									3	EpiSen	UP	28.6	-0.90	2.54	0.685	0.0595
1744	Etna	2587	CA: Healdsburg; Fire Station	USGS	38.6162	-122.8723	21.5	209	1	EpiSen	90	3.3	-0.27	0.70	0.338	0.0619
									2	EpiSen	360	-5.2	-0.25	1.19	0.249	0.0462
									3	EpiSen	UP	1.4	-0.09	0.35	0.143	0.0195