USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
December 03, 2004, Big Bear City, CA Earthquake (posted 12/30/2005)
Mw 3.9, 12/03/2005, 07:49 UTC, 12/02/2005, 11:49 PM PST, 34.329 N, 116.833 W, 5.1 km depth, Regional Network ID# ci14201764
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	27.9	197	1	FBA-2g	180	6.84	-0.181	0.52	0.023	0.00296
									2	FBA-2g	UP	-3.44	0.067	0.18	0.025	0.00138
									3	FBA-2g	270	3.39	0.060	0.22	0.024	0.00103
5076	Etna	1434	CA: Yucaipa; Mill Creek Ranger Station	USGS	34.079	-117.045	33.9	215	1	FBA-2g	180	7.72	-0.226	0.80	0.034	0.00436
									2	FBA-2g	UP	4.68	-0.094	0.38	0.026	0.00159
									3	FBA-2g	270	3.22	-0.107	0.58	0.057	0.00245
5300	MW	194	CA: Redlands; Seven Oaks Dam, 18-ch array	ACOE	34.117	-117.098	33.9	226				did not trigger
5300	K2	1421	CA: Redlands; Seven Oaks Dam, downstream	ACOE	34.1105	-117.0986	34.4	225
			Downstream, surface						1	EpiSen	90	13.80	-0.249	0.56	0.026	0.00297
			Downstream, surface						2	EpiSen	360	8.23	-0.153	0.63	0.036	0.00263
			Downstream, surface						3	EpiSen	UP	4.07	0.083	0.23	0.021	0.00139
			Downstream, downhole 53'						4	EpiSen	90	2.90	0.064	0.26	0.021	0.00185
			Downstream, downhole 53'						5	EpiSen	360	-2.41	-0.069	0.51	0.027	0.00196
			Downstream, downhole 53'						6	EpiSen	0	-2.33	0.071	0.20	0.020	0.00113
5071	K2	544	CA: Morongo Valley; Fire Station 461	USGS	34.049	-116.578	39.0	143	1	FBA-2g	360	3.61	0.132	0.55	0.091	0.00397
									2	FBA-2g	UP	-1.97	0.052	0.21	0.043	0.00189
									3	FBA-2g	90	5.02	0.156	0.55	0.105	0.00643
5328	K2	599	CA: SBD; Montecito Memorial Park	USGS	34.047	-117.277	51.5	233	1	FBA-2g	360	-2.85	0.211	0.79	0.112	0.00843
									2	FBA-2g	UP	1.77	0.061	0.39	0.038	0.00192
									3	FBA-2g	90	5.77	-0.295	1.02	0.124	0.00930