USGS National Engineering Strong-Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
December 06, 2008, Ludlow, California Earthquake (posted 12/12/2008)
Mw 5.1, 12/06/2008, 04:18 UTC, 12/05/2008, 08:18 PM PST, 34.813 N, 116.419 W, 7.3 km depth, Regional Network ID# ci14408052
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
5071	K2	544	CA:Morongo Valley; Fire Station 461	USGS	34.049	-116.578	86.0	190	1	FBA-2g	360	-5.6	0.363	1.69	0.621	0.0278
									2	FBA-2g	UP	4.0	0.234	0.59	0.207	0.0161
									3	FBA-2g	90	6.2	-0.431	1.58	0.567	0.0307
5076	Etna	1434	CA:Yucaipa; Mill Creek Ranger Sta	USGS	34.079	-117.045	99.7	215	1	FBA-2g	180	-5.4	-0.214	0.81	0.290	0.0162
									2	FBA-2g	UP	3.1	0.087	0.33	0.107	0.0056
									3	FBA-2g	270	3.2	-0.176	0.81	0.197	0.0093
5161	Etna	1442	CA:Highland; Fire Station 8	USGS	34.1362	-117.2135	104.7	224	1	FBA-2g	360	5.0	0.458	1.03	0.720	0.0364
									2	FBA-2g	UP	-2.8	0.116	0.41	0.148	0.0162
									3	FBA-2g	90	9.0	0.291	1.10	0.313	0.0324
5337	Etna	2583	CA:San Bernardino; Fire Station 4	USGS	34.1402	-117.2940	109.7	227	1	EpiSen	90	-5.5	0.501	1.45	0.932	0.0481
									2	EpiSen	360	-4.7	0.549	1.29	0.597	0.0437
									3	EpiSen	UP	2.7	0.239	0.82	0.265	0.0163
5438	K2	2003	CA:San Bernardino;Valley College Obs	USGS	34.0869	-117.3114	114.9	226	1	EpiSen	90	-6.6	-0.467	1.62	0.804	0.0408
									2	EpiSen	360	-6.8	0.499	1.13	0.648	0.0424
									3	EpiSen	UP	3.9	0.211	0.98	0.327	0.0251
5409	K2	588	CA:Lytle Creek; Fire Station	USGS	34.2340	-117.4824	116.9	237	1	FBA-2g	360	9.0	0.388	2.66	0.214	0.0198
									2	FBA-2g	UP	-7.3	0.212	0.72	0.238	0.0117
									3	FBA-2g	90	5.8	0.232	1.05	0.354	0.0216
5282	K2	513	CA:Wrightwood; Post Office	USGS	34.360	-117.628	121.8	246	1	FBA-2g	180	-5.1	0.254	1.35	0.196	0.0225
									2	FBA-2g	UP	-3.2	0.150	0.69	0.100	0.0084
									3	FBA-2g	270	-7.3	0.243	1.91	0.214	0.0209
5031	K2	521	CA:Valyermo; Forest Fire Station	USGS	34.4435	-117.8526	137.7	253	1	FBA-2g	360	-6.4	0.531	1.51	0.526	0.0366
									2	FBA-2g	UP	4.2	0.197	0.81	0.276	0.0121
									3	FBA-2g	90	-8.6	0.608	2.35	0.872	0.0359
5164	Etna	1927	CA:LaVerne;Weymouth Fltr Plant	MWD	34.1144	-117.7794	147.1	239	1	FBA-2g	360	2.7	-0.163	0.75	0.278	0.0107
									2	FBA-2g	UP	1.2	-0.080	0.21	0.126	0.0070
									3	FBA-2g	90	-5.7	-0.272	1.24	0.477	0.0190
5439	Etna	1316	CA:Los Angeles;MWD Headqtrs Bldg	MWD	34.0545	-118.2365	187.0	244	1	FBA-1g	190	1.3	-0.152	0.28	0.359	0.0469
									2	FBA-1g	UP	1.0	0.122	0.22	0.158	0.0468
									3	FBA-1g	280	2.2	0.244	0.42	0.303	0.0582
5439	Etna	1317	CA:Los Angeles;MWD Headqtrs Bldg	MWD	34.0545	-118.2365	187.0	244	1	FBA-1g	180	-3.6	-0.513	0.66	0.777	0.0773
									2	FBA-1g	UP	2.0	-0.124	0.29	0.141	0.0465
									3	FBA-1g	270	-3.6	-0.410	0.69	0.606	0.0886
5439	Etna	1318	CA:Los Angeles;MWD Headqtrs Bldg	MWD	34.0545	-118.2365	187.0	244	1	FBA-1g	190	6.3	1.150	1.08	1.530	0.1600
									2	FBA-1g	UP	2.5	0.175	0.64	0.181	0.0473
									3	FBA-1g	280	6.8	0.986	0.97	1.830	0.1610