USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
October 18, 2005, Mt San Gorgonio, CA Earthquake (posted 10/18/2005; updated 12/15/2005)
Mw 4.2, 10/18/2005, 07:31 UTC, 10/18/2005, 12:31 AM PDT, 34.013 N, 116.772 W, 17.0 km depth, Regional Network ID# ci10148421
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
5073	K2	587	CA: Cabazon; Post Office	USGS	33.918	-116.782	10.6	185	1	FBA-2g	180	26.1	-0.550	1.55	0.211	0.0179
									2	FBA-2g	UP	16.4	-0.175	0.62	0.209	0.0065
									3	FBA-2g	270	-19.9	0.292	0.57	0.295	0.0214
5072	Etna	1405	CA: Whitewater Canyon;Trout Farm	USGS	33.990	-116.656	11	103	1	FBA-2g	55	-17.0	-0.442	1.27	0.094	0.0070
									2	FBA-2g	UP	-14.3	-0.190	1.03	0.061	0.0049
									3	FBA-2g	145	25.3	-0.706	1.62	0.156	0.0127
5071	K2	544	CA: Morongo Valley; Fire Sta 461	USGS	34.049	-116.578	18.4	77	1	FBA-2g	360	11.2	-0.611	3.58	0.392	0.0263
									2	FBA-2g	UP	-10.4	-0.307	0.93	0.208	0.0113
									3	FBA-2g	90	12.4	0.488	2.82	0.278	0.0196
5295	K2	534	CA: N Palm Springs; Fire Sta 36	USGS	33.925	-116.548	22.9	115	1	FBA-2g	180	11.2	-0.390	1.74	0.144	0.0162
									2	FBA-2g	UP	13.0	-0.388	1.35	0.080	0.0073
									3	FBA-2g	270	-9.5	-0.179	1.21	0.123	0.0060
5289	K2	602	CA: San Jacinto; MWD West Portal	USGS	33.822	-116.968	27.9	221	1	FBA-2g	360	6.1	-0.149	0.45	0.070	0.0042
									2	FBA-2g	UP	5.3	0.136	0.30	0.044	0.0042
									3	FBA-2g	90	3.7	0.106	0.29	0.089	0.0041
5300	K2	1421	CA: Redlands; Seven Oaks Dam	ACOE	34.1105	-117.0986	32.0	290
			Downstream, surface						1	EpiSen	90	-8.4	0.125	0.41	0.052	0.0042
			Downstream, surface						2	EpiSen	360	-9.5	-0.163	0.32	0.029	0.0026
			Downstream, surface						3	EpiSen	UP	-8.1	-0.084	0.15	0.020	0.0019
			Downstream, downhole 53'						4	EpiSen	90	-2.4	-0.068	0.26	0.043	0.0041
			Downstream, downhole 53'						5	EpiSen	360	2.8	0.063	0.17	0.028	0.0022
			Downstream, downhole 53'						6	EpiSen	UP	-1.7	0.037	0.11	0.020	0.0018
5300	MW	194	CA: Redlands; Seven Oaks Dam	ACOE	34.117	-117.098	32.2	291				did not trigger
5435	Etna	1433	CA: Sky Valley; Fire Station 56	USGS	33.9168	-116.3898	36.9	107	1	FBA-2g	360	-8.5	-0.329	1.58	0.135	0.0128
									2	FBA-2g	UP	5.4	-0.232	1.39	0.062	0.0080
									3	FBA-2g	90	-7.5	0.290	2.17	0.072	0.0059
5161	Etna	1982	CA: Highland; Fire Station 8	USGS	34.136	-117.213	42.9	289	1	EpiSen	90	6.0	-0.141	0.43	0.060	0.0060
									2	EpiSen	360	7.6	-0.177	0.56	0.069	0.0050
									3	EpiSen	UP	-2.5	-0.060	0.23	0.024	0.0014
5336	Etna	2009	CA: San Bernardino; Serrano School	USGS	34.145	-117.219	43.8	290	1	EpiSen	90	-8.4	0.252	0.66	0.090	0.0077
									2	EpiSen	360	-4.0	-0.136	0.46	0.049	0.0033
									3	EpiSen	UP	-4.5	-0.089	0.25	0.039	0.0023
5222	K2	2139	CA: Anza; Tripp Flats	USGS	33.6022	-116.7557	45.6	178	1	EpiSen	90	-9.0	-0.179	0.38	0.051	0.0031
									2	EpiSen	360	-11.2	-0.156	0.34	0.070	0.0048
									3	EpiSen	UP	6.9	-0.096	0.13	0.034	0.0023
5328	K2	599	CA: SBD; Montecito Memorial Park	USGS	34.047	-117.277	46.8	275	1	FBA-2g	360	-5.2	-0.189	0.56	0.107	0.0059
									2	FBA-2g	UP	2.7	0.068	0.21	0.047	0.0023
									3	FBA-2g	90	-6.4	0.191	0.69	0.128	0.0084
5044	K2	515	CA: Pinyon Flat; UCSD Geophy Obs	USGS	33.6076	-116.454	53.7	147	1	FBA-2g	360	-8.1	-0.199	0.60	0.055	0.0057
									2	FBA-2g	UP	8.7	-0.146	0.44	0.046	0.0042
									3	FBA-2g	90	14.4	-0.232	0.86	0.067	0.0057
5294	K2	532	CA: Indio; Jackson Road	USGS	33.747	-116.215	59.4	120	1	FBA-2g	180	-9.9	0.329	2.03	0.173	0.0117
									2	FBA-2g	UP	3.8	-0.091	0.61	0.063	0.0049
									3	FBA-2g	270	8.5	0.285	1.90	0.145	0.0110