USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
September 05, 2003, Piedmont, CA Earthquake (posted 09/05/2003; updated 10/08/2003)
Mw 3.9, 09/05/2003, 01:39 UTC, 09/04/2003, 06:39 PM PDT, 37.845 N, 122.222 W, 12.4 km depth
Sta	Inst	Inst	State: City; Recorder Location	Owner	Lat	Lon	Dist	Az	Ch	Sensor	Orient	PGA	PGV	PSA at:
No	type	S/N			deg	deg	km	deg	No	type	deg	cm/s/s	cm/s	0.3 s	1.0 s	3.0 s
1662	K2	615	CA: Emeryville; Pacific Park 2	USGS	37.840	-122.297	6.6	265				*	*	*	*	*
1755	K2	598	CA: Alameda; Fire Station 1	USGS	37.763	-122.244	9.3	192	1	FBA-2g	360	-24.1	0.8	2.40	0.281	0.0248
									2	FBA-2g	UP	-11.8	-0.2	0.65	0.181	0.0070
									3	FBA-2g	90	16.4	-0.5	1.99	0.178	0.0222
1822	K2	1958	CA: Richmond; Point Isabel WWT	USGS	37.8966	-122.3220	10.5	303	1	EpiSen	90	8.6	0.2	0.59	0.077	0.0079
									2	EpiSen	360	-10.4	0.1	0.29	0.040	0.0062
									3	EpiSen	UP	-19.3	0.2	0.61	0.041	0.0034
1737	K2	726	CA: El Cerrito; Mira Vista Country Club	USGS	37.934	-122.300	12.0	325	1	FBA-2g	360	8.5	0.4	2.24	0.278	0.0185
									2	FBA-2g	UP	-3.5	0.2	0.53	0.214	0.0136
									3	FBA-2g	90	7.5	0.3	1.83	0.179	0.0153
1756	K2	609	CA: Alameda; Oakland Airport FS	USGS	37.738	-122.253	12.2	193				*	*	*	*	*
1691	Etna	1398	CA: Pleasant Hill; Fire Station 2	USGS	37.927	-122.078	15.6	54	1	FBA-2g	360	-7.7	-0.4	2.06	0.479	0.0211
									2	FBA-2g	UP	2.4	0.2	0.98	0.112	0.0087
									3	FBA-2g	90	-8.1	0.3	1.51	0.394	0.0213
1676	K2	600	CA: San Francisco; Fire Station 4	USGS	37.791	-122.415	18.0	251	1	FBA-2g	360	-15.8	-0.5	0.78	0.174	0.0123
									2	FBA-2g	UP	-3.4	0.1	0.52	0.046	0.0036
									3	FBA-2g	90	20.2	-0.5	1.39	0.183	0.0123
1823	K2	1960	CA: Martinez; VA Clinic	USGS	37.9945	-122.1147	19.1	30	1	EpiSen	90	5.7	0.2	0.82	0.099	0.0085
									2	EpiSen	360	-4.9	0.3	0.90	0.133	0.0105
									3	EpiSen	UP	3	0.1	0.38	0.042	0.0025
1675	K2	441	CA: San Francisco; FS 17 Hunters Pt	USGS	37.728	-122.385	19.4	228	1	FBA-2g	50	7	-0.2	0.43	0.033	0.0035
									2	FBA-2g	UP	5.1	-0.1	0.26	0.026	0.0018
									3	FBA-2g	140	8.9	0.3	1.01	0.089	0.0108
1741	K2	433	CA: San Francisco;  Marina School	USGS	37.804	-122.443	20.0	257	1	FBA-2g	350	-5.6	-0.3	1.65	0.826	0.0237
									2	FBA-2g	UP	6.2	-0.2	0.62	0.134	0.0081
									3	FBA-2g	80	-8.9	-0.4	2.35	0.488	0.0168
1749	ETNA	2014	CA: Richmond; Point Molate Depot	USGS	37.95	-122.417	20.7	304	1	EpiSen	180	-8.7	0.2	0.30	0.032	0.0048
									2	EpiSen	90	-9.7	0.2	0.78	0.036	0.0037
									3	EpiSen	UP	-24.5	0.2	0.30	0.027	0.0036
1754	K2	432	CA: Hayward; Fire Station 1	USGS	37.672	-122.081	22.9	147	1	FBA-2g	360	9.8	-0.3	1.17	0.156	0.0091
									2	FBA-2g	UP	-4.3	-0.1	0.47	0.074	0.0044
									3	FBA-2g	90	9.1	-0.2	0.67	0.107	0.0077
		*	data being processed