USGS National-Strong Motion Program
Preliminary Uncorrected Peak Ground Acceleration Values for
10/16/1999 Mw 7.1 Hector Mine, CA Earthquake (posted 2/25/2000; updated 10/10/2000)
Sta.	Inst.	Ser.	Tr.	Instrument	Inst.	Lat.	Long.	Dist.	Azm.	Orient.	Accel.
No.	Type	No.	No.	Name	Owner	(deg)	(deg)	(km)	(deg)	(deg)	(cm/s/s)
5071	K2	544	A	Morongo Valley Fire Station	USGS	34.048	-116.578	67	205	360	-84.2
										UP	69.4
										90	-69.3
5069	K2	525	A	Fun Valley	USGS	33.925	-116.389	75	188	360	86.5
										UP	77.6
										90	-75.2
5072	ETNA	1405	A	Whitewater Trout Farm	USGS	33.990	-116.656	76	208	65	50.8
										UP	43.3
										155	55.7
5295	K2	534	A	N. Palm Springs Fire Station #36	USGS	33.925	-116.548	78	199	180	-62.2
										UP	-56.4
										270	-58.4
5075	ETNA	1436	A	Forest Falls Post Office	USGS	34.088	-116.921	82	227	180	51.2
										UP	-38.5
										270	59.8
5073	K2	587	A	Cabazon Post Office	USGS	33.918	-116.784	89	212	180	35.2
										UP	-32.8
										270	-39.6
5076	ETNA	1434	A	Mill Creek Ranger Station	USGS	34.080	-117.045	91	232	180	-59.6
										UP	-53.9
										270	-46.6
5300	SSA-1	205	A	Seven Oaks Dam, Project Office	USGS	34.105	-117.105	94	235	360	50.0
										UP	27.8
										90	63.4
5162	ETNA	1417	A	Mentone Fire Station #9	USGS	34.070	-117.121	97	234	180	-42.2
										UP	25.6
										270	-51.8
5331	SSA-1	689	A	Del Rosa Work Station	USGS	34.166	-117.250	102	242	16	-32.3
										UP	14.5
										106	-24.8
5337	SSA-1	485	A	San Bernardino,  Fire Station #4	USGS	34.140	-117.294	107	242	360	48.3
										UP	32.4
										90	-47.5
5371	SSA-1	292	B	San Bernardino,  N. Verdemont Ele. Sch.	USGS	34.270	-117.365	107	251	UP	-28.2
										90	35.4
										360	49.5
5339	K2	584	A	San Bernardino Fire Station #10,	USGS	34.092	-117.290	109	240	180	44.1
										UP	26.0
										270	41.8
5044	K2	515	A	Pinyon Flat Observatory	USGS	33.607	-116.453	111	189	360	26.1
										UP	21.3
										90	-35.0
5328	K2	591	A	Montecito Memorial Park	USGS	34.047	-117.277	111	237	360	125.5
										UP	39.6
										90	-149.7
5265	K2	514	A	Devore Water Dept.	USGS	34.235	-117.408	112	249	360	-43.7
										UP	-30.0
										90	42.6
5330	SSA-1	688	A	San Bernardino Fire Station # 9	USGS	34.103	-117.348	113	241	360	-39.9
										UP	-22.6
										90	-46.9
5409	K2	588	A	Lytle Creek Fire Station	USGS	34.234	-117.482	118	251	360	50.6
										UP	-29.0
										90	41.2
5222	K2	593	A	Tripp Flats	USGS	33.602	-116.756	119	202	360	33.5
										UP	28.6
										90	-33.6
5282	K2	513	A	Wrightwood Post Office	USGS	34.360	-117.629	127	259	180	47.9
										UP	-25.9
										270	-47.6
5031	K2	521	A	Valyermo Forest Station	USGS	34.444	-117.852	146	264	360	-46.3
										UP	-33.3
										90	-57.3
5030	K2	530	A	Littlerock Post Office	USGS	34.521	-117.990	158	268	270	-48.8
										UP	-35.0
										360	51.9
5271	K2	542	A	Bombay Beach Fire Station	USGS	33.211	-115.732	161	162	90	-43.2
										UP	18.7
										180	40.9
262	ETNA	1442	A	Palmdale Fire Station #37	USGS	34.150	-118.101	175	254	360	39.9
										UP	28.2
										90	-42.8
289	SSA-2	997	A	Whittier Narrows Dam, upstream	USGS	34.032	-118.052	175	250	360	-48.5
										UP	22.9
										90	59.9
289	SSA-2	996	A	Whittier Narrows Dam Crest	USGS	34.020	-118.053	176	249	28	-44.0
										UP	16.8
										118	42.1
5412	MTWH	178		Pasadena, JPL Bldg #230	JPL	34.200	-118.174	180	257
			A	Basement SE						360	-23.2
			B	Basement SE						UP	-13.9
			C	Basement SE						90	22.1
			D	1st floor SE						360	-25.0
			E	1st floor SE						90	22.9
			F	1st floor NW						360	-20.1
			G	2nd floor SE						360	-28.8
			H	2nd floor SE						90	26.0
			I	2nd floor NW						360	-17.3
			J	4th floor NW						360	109.7
			K	4th floor E						90	148.0
			L	Subroof SE						360	-58.1
			M	Subroof SE						90	94.8
			N	4th floor subroof NE						360	68.2
			O	4th floor subroof NW						360	-45.1
			P	4th floor subroof NW						90	-55.5
5410	K2	1098		Pasadena, JPL Bldg #179, East Array	JPL	34.199	-118.173	180	256
			A	Sub-basement						360	-21.1
			B	Sub-basement						UP	-10.4
			C	Sub-basement						90	18.7
			D	Ceiling, E						360	-73.7
			E	Ceiling W						360	29.9
			F	Ceiling W						90	52.4
			G	Ceiling N						360	-108.6
			H	Airlock N						360	-92.3
			I	Ceiling Air N						90	34.7
			J	Ceiling S						360	-88.5
			K	Ceiling S						90	36.2
			L	Ceiling N						90	51.8
5410	K2	1099		Pasadena JPL Bldg #179, West Array	JPL	34.199	-118.174	180	256
			A	Gnd Clean						360	-25.0
			B	Gnd Clean						UP	11.0
			C	Gnd Clean						90	-22.8
			D	Ceiling W						360	30.4
			E	Ceiling W						90	49.8
			F	Ceiling						360	45.1
			G	Ceiling N						90	-41.8
			H	Ceiling E						360	-59.6
			I	Ceiling E						90	50.2
			J	Ceiling S						360	48.8
			K	Ceiling S						90	41.4
5408	K2	596	A	Paulette Pl, La Canada	USGS	34.210	-118.186	181	257	360	17.3
										UP	-14.6
										90	22.7
482	K3	533	A	900 S Fremont, Alhambra, freefield	USGS	34.084	-118.152	182	252	270	20.3
										UP	12.5
										360	20.9
482	K2	699		900 S Fremont, Alhambra, array	USGS	34.085	-118.149	182	252
			A	12th						360	79.8
			B	12th C						90	-96.9
			C	12th						90	-93.4
			D	6th C						90	57.7
			F	6th N						90	-50.1
			G	2nd C						90	-63.1
			H	2nd C						360	-59.4
			I	2nd N						90	-54.2
			J	Basement						360	41.0
			K	Basement						UP	20.5
			L	Basement						90	-43.7
5239	ETNA	1428	A	12440 Imperial Hwy, North. Grn	USGS	33.917	-118.066	182	246	90	-25.2
										UP	15.6
										180	24.3
5396	K2	517	A	La Calandria Wy., Los Angeles	USGS	34.073	-118.177	185	252	180	-51.5
										UP	25.7
										270	37.8
5029	K2	597	A	Leona Valley Fire Station #140	USGS	34.617	-118.285	185	271	360	54.8
										UP	-24.8
										90	44.4
141	K2	537	A	Griffith Park Observatory	USGS	34.119	-118.300	194	255	360	17.9
										UP	7.7
										90	-16.4
5398	K2	524	A	Burbank Airport	USGS	34.196	-118.353	197	258	90	32.1
										UP	15.2
										180	31.0
5402	K2	586	A	Beverly Hills PacBell	USGS	34.076	-118.396	204	254	360	13.5
										UP	8.9
										90	14.6
981	K2	612	A	Century City, South Tower	USGS	34.058	-118.413	206	254
			A	30th floor, N corner						90	-75.0
			B	30th floor, Center core						90	-37.1
			C	30th floor, Center core						360	39.2
			D	31st floor, N corner						90	-69.8
			E	31st floor, Center core						180	-38.0
			F	31st floor, Center core						270	-38.4
			G	43rd floor, N corner						270	96.0
			H	42nd floor, Center core						360	41.1
			I	42nd floor, Center core						90	35.1
			J	44th floor, N corner						90	-96.1
			K	43rd floor, Center core						360	37.8
			L	43rd floor, Center core						90	41.5
655	K2	531	A	Jensen Filtration Plant, Gen B	USGS	34.354	-118.503	207	263	22	44.9
										UP	18.9
										112	-30.9
5405	MTWH	136		UCLA, Factor Bldg	USGS	34.066	-118.441	208	254
			A	12th Floor N						90	-15.8
			B	12th Floor E						360	-15.9
			C	12th Floor S						90	22.2
			D	12th Floor W						360	-17.4
			E	13th Floor N						90	20.0
			F	13th Floor E						360	-16.0
			G	13th Floor S						90	23.2
			H	14th Floor E						360	18.4
			I	13th Floor W						360	16.7
			J	14th Floor N						90	22.1
			K	14th Floor S						90	25.9
			L	14th Floor W						360	19.4
			M	Roof E						360	21.4
			N	Roof S						90	-35.9
			O	15th Floor W						360	20.4
			P	15th Floor N						90	-15.6
			Q	Roof N						90	-31.3
			R	Roof W						360	22.5
5405	MTWH	137	A	UCLA, Factor Bldg	USGS	34.066	-118.441	208	254
			A	3rd Floor N						90	-25.9
			B	3rd Floor E						360	-31.2
			C	3rd Floor E						90	-27.5
			D	3rd Floor W						360	-28.8
			E	4th Floor N						90	-15.3
			F	4th Floor E						360	-29.5
			G	4th Floor S						90	-33.0
			H	4th Floor W						360	-27.2
			I	5th Floor N						90	-17.4
			J	5th Floor E						360	-15.1
			K	5th Floor S						90	-18.5
			L	5th Floor W						360	-14.6
			M	6th Floor N						90	-19.2
			N	6th Floor E						360	-15.0
			O	6th Floor S						90	-19.6
			P	6th Floor W						360	-14.9
			Q	7th Floor N						90	-18.4
			R	7th Floor E						360	16.0
5405	MTWH	138		UCLA, Factor Bldg	USGS	34.066	-118.441	208	254
			A	Basement NW						90	-30.7
			B	Basement NE						360	-36.2
			C	Basement SE						UP	19.4
			D	Basement SW						UP	17.1
			E	A Level NW						UP	16.1
			F	A Level NE						UP	17.1
			G	A Level NE						360	19.5
			H	A Level S						90	20.0
			I	1st Floor N						90	20.6
			J	1st Floor E						360	-32.0
			K	1st Floor S						90	21.5
			L	1st Floor W						360	-30.8
			M	2nd Floor N						90	23.7
			N	2nd Floor E						360	-33.1
			O	2nd Floor S						90	-25.1
			P	2nd Floor W						360	-32.2
			Q	15th Floor E						360	18.4
			R	15th Floor S						90	-32.1
5399	K2	581	A	LAX Fire Station	USGS	33.944	-118.414	210	251	360	13.6
										UP	-6.3
										90	12.4
412	K2	589	A	El Centro Array #10, Hospital	USGS	32.781	-115.536	212	161	230	15.8
										UP	5.0
										320	14.4
5081	K2	516	A	Topanga Canyon Fire Station	USGS	34.084	-118.600	222	256	360	5.9
										UP	-3.0
										90	5.0
5404	K2	535	A	Calabasis PacBell	USGS	34.155	-118.641	223	258	360	-0.7
										UP	7.8
										90	15.4
5401	K2	549	A	Fillmore Pac Bell	USGS	34.397	-118.918	244	266	360	30.0
										UP	13.9
										90	-25.4