USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
November 13, 2004, Big Bear City, CA Earthquake (posted 11/30/2004)
Mw 3.9, 11/13/2004, 17:39 UTC, 11/13/2004, 09:39 AM PST, 34.353 N, 116.845 W, 9.6 km depth, Regional Network ID# ci10059745
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
5075	Etna	1436	CA: Forest Falls; Post Office	USGS	34.088	-116.919	30.2	193	1	FBA-2g	180	-9.29	0.21	0.59	0.053	0.0043
									2	FBA-2g	UP	4.56	-0.08	0.40	0.036	0.0017
									3	FBA-2g	270	-5.86	-0.15	0.51	0.047	0.0021
5300	MW	194	CA: Redlands; Seven Oaks Dam, 18-ch array	ACOE	34.117	-117.098	35.1	222				did not trigger
5300	K2	1421	CA: Redlands; Seven Oaks Dam, downstream	ACOE	34.1105	-117.0986	35.6	221
			Downstream, surface						1	EpiSen	90	-9.96	0.19	0.32	0.033	0.0030
			Downstream, surface						2	EpiSen	360	-5.96	-0.14	0.26	0.016	0.0021
			Downstream, surface						3	EpiSen	UP	-2.92	0.05	0.10	0.016	0.0014
			Downstream, downhole 53'						4	EpiSen	90	2.65	-0.06	0.17	0.025	0.0026
			Downstream, downhole 53'						5	EpiSen	360	-1.57	0.05	0.15	0.011	0.0012
			Downstream, downhole 53'						6	EpiSen	UP	1.03	-0.03	0.10	0.016	0.0012
5030	K2	530	CA: Littlerock; Post Office	USGS	34.5214	-117.9910	107.0	280	1	FBA-2g	90	-0.95	-0.04	0.19	0.013	0.0012
									2	FBA-2g	UP	0.57	-0.02	0.08	0.008	0.0006
									3	FBA-2g	360	0.68	0.03	0.21	0.017	0.0010